CN114319900A - Quick-release clear water formwork system and construction method - Google Patents
Quick-release clear water formwork system and construction method Download PDFInfo
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- CN114319900A CN114319900A CN202210027985.1A CN202210027985A CN114319900A CN 114319900 A CN114319900 A CN 114319900A CN 202210027985 A CN202210027985 A CN 202210027985A CN 114319900 A CN114319900 A CN 114319900A
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Abstract
The invention discloses a quick-release clean water formwork system and a construction method, which are used for designing preparation work of personnel, materials and technologies before construction according to construction organization. Examining a drawing, determining an engineering construction scheme, and making a template by combining a structure diagram, a building diagram, a node detailed diagram and a construction specification according to the requirements of the design drawing; the template engineering of the engineering follows the principle that a shear wall column is firstly installed and then a beam plate surface is installed, and wall column template installation, beam plate template installation and top plate template installation are sequentially carried out; according to the invention, the high-quality engineering project can be completed, the fixed template system has stronger integrity, the novel reinforcement system improves the concrete forming effect, five-effect vertical and horizontal effects can be achieved, and the adopted template structure and the support structure can transport the floor support structure with the bottom layer removed to the upper layer for supporting the upper layer of the floor formwork, so that the construction period is greatly shortened, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of building formwork systems, in particular to a quick-release clean water formwork system and a construction method.
Background
The present building construction basically adopts cast-in-place concrete structure engineering construction, and the building formwork structure for construction mainly comprises three portions of face plate, supporting structure and connecting piece. The panel is a bearing plate directly contacting cast-in-place concrete; the supporting structure is a temporary structure for supporting the panel, the concrete and the construction load, so that the building template structure is firmly combined and is not deformed or damaged; the connecting piece is the accessory that connects into whole with panel and bearing structure, uses the plank sheathing as the panel at present usually, and bearing structure generally adopts wooden pole, steel pipe, flitch, fastener, U to hold in the palm, step tightly etc. and connects. The template system mainly has the following defects: on one hand, the wood formwork is low in strength, needs a plurality of upright posts for supporting, and is not fast and unsafe to disassemble; the wood templates are easy to expand or even decay when meeting water, each wood template can be used for 7-8 times and needs to be scrapped, and the repeated utilization rate is low; the wooden template is easy to be bonded with concrete, after the template is removed, pits are formed on the surface of a concrete member, the quality of the surface of the concrete is poor, and criss-cross joint stripes are left on the surface of the concrete through gaps between the wooden template and the wooden template. On the other hand, the existing support structure has the defects of large frame amount, experience, heaviness and time and labor waste in installation and disassembly; the support structure and the panel have low combination degree and cannot be effectively utilized; the waste of the supporting structure materials is extremely serious, and an operation method brings great potential safety hazards;
traditional template is joined in marriage the mould and is caused a large amount of wastes, traditional plank sheathing is cutting at will, it is nimble changeable, but plank anti pressure differential, it is unstable to pour the quality, the cost of labor is high, the secondary is revised with high costs, aluminium system template quality standard, it is excellent in efficiency, but the input cost is high, first piece time is long, aluminium mould maintenance cost is high, the template and the bearing structure who adopt often can not obtain abundant utilization in the traditional template construction mode, lead to the construction progress slow, inefficiency scheduling problem, and at the in-process of frame mould, when using wooden template, adopt tools such as iron nail to fix, the reutilization of being not being convenient for after demolising, adopt the bolt to connect when adopting metal formwork, construction process is complicated, drag construction period slowly.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a quick-release clean water formwork system and a construction method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the construction method of the quick-release clean water formwork comprises the following steps:
s1, construction preparation, namely, preparation work of personnel, materials and technologies before construction is carried out according to construction organization design. Examining a drawing, determining an engineering construction scheme, and making a template by combining a structure diagram, a building diagram, a node detailed diagram and a construction specification according to the requirements of a design drawing, wherein after the template is made, constructors are organized to be familiar with the drawing;
s2, paying off a formwork, and paying off and supporting the formwork after construction preparation of S1, wherein the formwork engineering of the engineering follows the principle that a shear wall column is installed firstly and a beam plate is installed secondly, and wall column formwork installation, beam plate formwork installation and top plate formwork installation are sequentially performed, and the supporting formwork comprises wall column formwork installation, beam plate formwork installation and top plate formwork installation;
the installation of the wall column template comprises the following steps: the method comprises the following steps of controlling lines and positioning ribs, leveling the floor, installing a formwork on one side, installing a formwork on the other side, adjusting the verticality of the wall, installing a sleeve and a screw rod, installing a back ridge, and performing self-checking and acceptance;
the beam plate template installation comprises the following steps: assembling a beam bottom, mounting the beam bottom, mounting a beam side, and adjusting and checking elevation;
the top plate template installation comprises the following steps: installing a quick-release belt, installing a top plate, and checking and accepting the flatness and the self-checking of the plate surface;
s3, after the template is installed in the S2 step, embedded part installation and steel bar welding and binding are carried out, and the flatness and the perpendicularity are checked and reinforced;
s4, after the embedded parts and the reinforcing steel bars of the S3 are installed, pouring and maintaining concrete;
s5, removing the formwork, namely repairing the formwork after the formwork is removed, repeating S2-S5, and using the formwork removed from the bottom layer of the building for upper-layer mounting formwork construction, wherein the formwork removal comprises wall column formwork removal, beam slab formwork removal and top slab formwork removal;
the column template dismantling method comprises the following steps: the method comprises the following steps of (1) examining and approving the form removal, removing a screw rod, removing a back edge, removing a wall column template, and checking and accepting the quality of wall column concrete;
the beam plate template dismantling method comprises the following process steps of template dismantling approval, screw rod dismantling, side beam dismantling and concrete quality acceptance inspection;
the top plate formwork dismantling process comprises the following steps of formwork dismantling examination and approval, top plate dismantling and concrete quality acceptance.
And S6, after the mould is finally removed, maintaining the finished product.
The scheme also provides a quick-release clean water formwork system, and the adopted quick-release clean water formwork construction method comprises a formwork assembly, a supporting assembly and a reinforcing assembly;
the formwork assembly comprises a formwork main body, secondary keels and main keels, wherein a plurality of secondary keels are arranged on one side of the formwork main body, the axes of the secondary keels are parallel to each other, the main keels are also arranged on the side, facing back to the formwork main body, of the secondary keels, the axes of the main keels are perpendicular to the axes of the secondary keels, the supporting assembly supports the formwork main body through the main keels, and a rear dismantling belt is further arranged between the main keels and the formwork main body;
the supporting components comprise upright posts, horizontal rods and early-dismantling devices, a plurality of supporting components are arranged on the same main keel along the axis, the axis of each upright post is perpendicular to the main keel, the end parts of the upright posts are connected with the main keel through the early-dismantling devices, and the horizontal rods are arranged between every two adjacent upright posts;
the utility model discloses a quick-witted template assembly, including the gag lever post, locating part and locking Assembly, consolidate the subassembly and be used for two adjacent template subassembly is fixed, consolidate the subassembly and include gag lever post, locating part and locking Assembly, the gag lever post is L shape setting, the outside of the longer one end of gag lever post is formed with the screw thread, the locating part can along the longer one end displacement of gag lever post, the shorter one side of gag lever post with the locating part forms adjustable fixture, the gag lever post sets up threaded one end adaptation cover and is equipped with locking Assembly, locking Assembly is used for the restriction the displacement of locating part.
Furthermore, the secondary keel is a super-strong secondary keel, an outer keel of the super-strong secondary keel is provided with a hole by adopting a galvanized steel pipe, the wall thickness is 1.8mm, and the material is Q235; the inner keel is made of the German white pine.
Further, the template assembly comprises a wall column template, beam side plates, a beam bottom plate, a hanging template and a top plate.
Further, the support assembly includes a quick-release strap, an early-release head, and a release bracket.
Furthermore, the quick-dismantling head is connected with the vertical rod, and the early-dismantling head is arranged at one end, close to the template component, of the vertical rod.
Further, the quick release belt is arranged between the template assembly and the early removal head.
Further, the template assembly is a custom modular template.
Compared with the prior art, the invention has the beneficial effects that:
the formwork system can be fixed to achieve the effect that a high-quality engineering project is stronger in integrity, the novel reinforcement system improves the concrete forming effect, five effects of hanging down and leveling can be achieved, not only the saving of all buildings, particularly short-rise buildings, is achieved in the buildings, but also five layers need to be matched in a traditional two-layer basement three-layer mall, only one layer is used in the scheme, the formwork structure and the supporting structure are adopted, the floor supporting structure with the bottom layer removed can be transported to the upper layer for supporting the upper floor formwork, so that the construction period is greatly shortened, and the construction efficiency is improved;
the adoption can install fast and the reinforcement assembly who demolishs to can be more swift and convenient fixed and installation, make the process of erectting the template succinct, help the reduction of erection time, improve holistic efficiency of construction.
Drawings
FIG. 1 is a schematic view of the bottom structure of the top plate of the present invention;
FIG. 2 is a schematic view of the bottom structure of the beam slab of the present invention;
FIG. 3 is a schematic view of a reinforcement assembly of the present invention;
in the figure, 100-template components, 101-template bodies, 102-secondary keels, 103-main keels, 200-supporting components, 201-vertical rods, 202-horizontal rods, 203-early-dismantling devices, 300-reinforcing components, 301-limiting rods, 302-limiting pieces and 303-locking components.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element, and the terms "counter-clockwise," "longitudinal," "transverse," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used herein to describe the invention in the context of the figures, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered to be limiting.
The features and properties of the present invention are described in further detail below with reference to examples.
Example (b):
the construction method of the quick-release fair-faced formwork is characterized by comprising the following steps:
s1, construction preparation, namely, preparation work of personnel, materials and technologies before construction is carried out according to construction organization design. Examining a drawing, determining an engineering construction scheme, and making a template by combining a structure diagram, a building diagram, a node detailed diagram and a construction specification according to the requirements of a design drawing, wherein after the template is made, constructors are organized to be familiar with the drawing;
the technical personnel and the production personnel are familiar with the drawings, carefully learn to master the content, the requirements and the characteristics of the construction drawing, simultaneously make a record aiming at the suspicious points existing in the related construction technology and the drawings, negotiate and solve the problems existing in the drawings together with the design, the Party A and the supervision through the consultation, and obtain a consensus. And (5) processing the review records of the drawings to serve as the change basis and the construction operation basis of the construction drawings. According to the requirements of a design drawing, deeply designing a template assembly drawing by professional technicians of a merchant by combining a structure drawing, a building drawing, a node detailed drawing and a construction specification; and (4) organizing constructors to be familiar with the drawings, conducting the reviewing on the drawings, and analyzing the drawings according to the design change. According to the requirements of a design drawing, deeply designing a template assembly drawing by professional technicians of a merchant by combining a structure drawing, a building drawing, a node detailed drawing and a construction specification; after the template of the production side is deeply designed, the template is carefully checked to ensure that the template is accurate to the blueprint of the design, and the template can be produced and manufactured after the approval of the owners and the design institute.
The construction period is short, the task is heavy, the construction progress can be effectively accelerated by selecting the good construction method and the good construction process, the construction quality is improved, and the manufacturing cost of the project is reduced. In order to ensure the construction progress of the project, the template project of the project follows the principle of firstly installing the shear wall column and then installing the beam panel surface, and adopts integral one-step pouring. The concrete template engineering adopts the following construction process flow.
S2, paying off and supporting a formwork, carrying out paying off and supporting after construction preparation of S1, and measuring and paying off: the method is characterized in that an axis, a wall column positioning line and a wall column control line are required to be placed, the positioning line and an outer wall large-angle control line are placed from beams of each house, the height control line is transmitted by a building main body to be 300mm away from the wall column edge, and the positions of the wall, the column and the beams are rechecked according to the control line before the floor steel bars are installed. Before paying off, the paying off tool needs to be strictly calibrated. The template engineering of the engineering follows the principle that a shear wall column is firstly installed and then a beam plate surface is installed, and wall column template installation, beam plate template installation and top plate template installation are sequentially carried out, wherein the wall column template, the beam plate template and the top plate template comprise template components 100;
the supporting formwork comprises wall column formwork installation, beam slab formwork installation and top plate formwork installation.
The installation of the wall column template comprises the following steps: the method comprises the following steps of controlling lines and positioning ribs, leveling the floor, installing a formwork on one side, installing a formwork on the other side, adjusting the verticality of the wall, installing a sleeve and a screw rod, installing a back ridge, and performing self-checking and acceptance;
the beam plate template installation comprises the following steps: assembling the beam bottom, installing the beam side, adjusting the elevation and checking.
The top plate template installation comprises the following steps: installing a quick-release belt, installing a top plate, and checking and accepting the flatness and the self-checking of the plate surface;
the integral hoisting of the outer wall and the elevator shaft large plate and the spot snake-shaped buckling and punching are carried out, the wall penetrating screw rod is punched and must be punched according to the required size of a matched mould design construction drawing, and the root of a wall column is leveled: a bottom corner is suggested to be placed under the wall column template and is used for leveling the bottom corner of the wall column; the bottom of the wall column can be pressed by 5-8 mm so as to facilitate the installation and leveling of the column formwork, and the root of the formwork wall column is plugged 6 hours before the concrete is poured, wherein the material is 1:2 cement mortar or C20 fine aggregate concrete.
The U-shaped cards are positioned and installed block by block from the wall end, and the number of the U-shaped cards is more than or equal to 500 mm; the end pin sheet is punched by at least 2.
The outer wall template is hoisted in place and then is positioned and corrected in time, the temporary connection fixing template is reinforced by a wall-through screw, and the flatness and elevation deviation are not more than 3 mm.
Installing a split screw: 3-5 screw threads of the nut are exposed out of the counter-pulling screw, the nut cannot be over-tightened or over-loosened when screwed, the over-tightening can cause bending deformation of a back ridge or extrusion explosion of an outer sleeve of the screw, and the over-loosening can easily cause mold expansion when concrete is poured; the split screw at the C groove must be provided with a 40X 4 steel gasket.
Adjusting a template and mounting a back edge: before the wall column back edge is installed, whether the back edge is deformed or not is checked in time, and the back edge is changed in time if the back edge is seriously deformed. After the wallboard installation is accomplished, before stupefied nut of the back of the body screws up, should use infrared laser level appearance to correspond 1 meter line regulation wallboard level height, when clear water template elevation is less than the control line, the crowbar is adjusted, and the whole assembly is again after the acceptance check is qualified. The horizontal back ridges are required to be tightly attached to the template, the distance between the horizontal back ridges does not exceed 600mm, and the distance between the first back ridges is 250 mm. The vertical back ridge is installed from a position 500mm away from the wall end, the middle distance is 1800mm, and the verticality and the flatness of the wallboard are adjusted by using infrared rays.
Checking and correcting: after the back edge is installed, the perpendicularity of the wall column plate needs to be corrected, and the perpendicularity, flatness and squareness deviation of the wall column are adjusted within 3mm
S3, after the template of S2 is installed, positioning the steel bar: adopting phi 12 steel bars (with flat end parts), wherein the height of the phi 12 steel bars from the ground is 80mm, the horizontal distance is 500mm, the welded end parts are flat with the wall positioning line, the error is less than or equal to 1mm, installing embedded parts, welding and binding the steel bars, checking the flatness and the verticality, and reinforcing;
s4, after the embedded parts and the reinforcing steel bars of the S3 are installed, pouring and maintaining concrete;
s5, removing the formwork, namely repairing the formwork after the formwork is removed, repeating S2-S5, using the formwork removed from the bottom layer of the building for upper-layer formwork installation and support construction, and transporting the removed floor slab supporting structure to the upper layer for the support of the formwork of the upper floor slab;
the form removal comprises the removal of a wall column form, the removal of a beam plate form and the removal of a top plate form.
The column template dismantling method comprises the following steps: and (4) performing form removal approval, removing the screw rod, the back edge, the wall column template and wall column concrete quality inspection and acceptance.
The beam plate template dismantling method comprises the following process steps of template dismantling approval, screw rod dismantling, side beam dismantling and concrete quality acceptance.
The top plate template dismantling method comprises the following process steps of template dismantling examination and approval, top plate dismantling and concrete quality acceptance inspection;
and S6, after the mould is finally removed, maintaining the finished product.
The scheme also provides a quick-release formwork frame system, and the construction method of the quick-release formwork frame in claim 1 comprises a formwork assembly 100, a supporting assembly 200 and a reinforcing assembly 300;
the formwork assembly 100 comprises a formwork main body 101, secondary keels 102 and main keels 103, wherein a plurality of secondary keels 102 are arranged on one side of the formwork main body 101, the axes of the secondary keels 102 are parallel to each other, the main keels 103 are further arranged on the secondary keels 102 and on the back side of the formwork main body 101, the axes of the main keels 103 are perpendicular to the axes of the secondary keels 102, the supporting assembly 200 supports the formwork main body 101 through the main keels 103, and a rear dismantling belt 104 is further arranged between the main keels 103 and the formwork main body 101;
as shown in fig. 1-2, in specific implementation, the template main body 101 is formed by combining an injection molding template with a traditional template, the keel is of a steel clad wood structure, holes are formed in the outer part of the keel by galvanized steel pipes, the wall thickness is 1.8mm, and the material is Q235; the interior of the keel is provided with a whole batten made of German white pine; make the fossil fragments have the stationarity height, the load is big, distortion is not had, the commonality is strong, inferior stupefied adoption 40X 40mm fossil fragments and 40X 50mm secondary joist, the main stupefied adoption 50X 70X 3.0mm all-steel fossil fragments, fixed die plate subassembly 100 is made with the template of moulding plastics to secondary joist 102, wherein the secondary joist is superstrong secondary joist, size standard has, intensity is high, acid and alkali resistance, it is waterproof, longe-lived advantage, it is stronger to accomplish high-quality engineering project fixed die plate system wholeness, novel reinforcement system promotes concrete shaping effect, can reach five effects of hanging down.
The supporting components 200 comprise upright rods 201, horizontal rods 202 and early-dismantling devices 203, a plurality of supporting components 200 are arranged on the same main keel 103 along the axial line, the axial line of each upright rod 201 is perpendicular to the main keel 103, the end parts of the upright rods 201 are connected with the main keel 103 through the early-dismantling devices 203, and the horizontal rods 202 are arranged between every two adjacent upright rods 201;
as shown in fig. 1-3, the vertical rods 201 are telescopic rods, and the lengths of the vertical rods can be adjusted according to actual use conditions, so that the early-dismantling device 203 abuts against the main keels 103, specifically, two adjacent main keels 103 can be placed on the early-dismantling device 203, so as to form stable support, in order to ensure the stability of the support, a horizontal rod 202 is arranged between the two adjacent vertical rods 201, a limiting part is arranged on the vertical rods 201, a limiting groove is formed on the limiting part, two ends of the horizontal rod 202 can be respectively inserted into the limiting grooves at two ends, so as to form stable support and fixation, and convenience is brought to installation and disassembly.
As shown in fig. 1-3, in particular, the cross runners 102 are assembled with an injection mold plate to form a mold plate. The formwork can be spliced through the reinforcing assembly 300, the wall and the floor can be widely applied, and a formwork supporting system is formed through the formwork assembly 100, the supporting assembly 200, the reinforcing assembly 300 and other assemblies.
Consolidate subassembly 300 and be used for adjacent two template subassembly 100 is fixed, consolidate subassembly 300 and include gag lever post 301, locating part 302 and locking Assembly 303, gag lever post 301 is L shape setting, the outside of the longer one end of gag lever post 301 is formed with the screw thread, locating part 302 can along the longer one end displacement of gag lever post 301, the shorter one side of gag lever post 301 with locating part 302 forms adjustable fixture, gag lever post 301 sets up threaded one end adaptation cover and is equipped with locking Assembly 303, locking Assembly 303 is used for the restriction the displacement of locating part 302.
As shown in fig. 3, in specific implementation, the position of the limiting member 302 is controlled by adjusting the position of the locking assembly 303, so that the keel is clamped between the limiting rod 301 and the limiting member 302, the end surface of the locking assembly 303 is a hexagon bolt, and the locking assembly can be locked by a tool such as an inner hexagon
Further, the secondary keel 102 is a super-strong secondary keel, an outer keel of the super-strong secondary keel is provided with a hole by adopting a galvanized steel pipe, the wall thickness is 1.8mm, and the material is Q235; interior fossil fragments are whole root flitch, and the material is the German white pine, and super-strong secondary joist has size standard, and intensity is high, and acid-proof and alkaline is waterproof, longe-lived advantage, and super-strong secondary joist's advantage makes its performance advantage, and the horizontal main joist interval of wallboard increases, and through experimental proof, the wallboard concrete is 200mm thick, and when the interval of horizontal main joist reached 1100mm, the back with the guiding ruler detection can reach qualified rank, when the interval was 730mm, can reach good rank.
The performance of the super-strong secondary keel can meet the requirement that the distance between through-wall bolts is 610mm through detection, the diameter of the through-wall bolt matched with the super-strong secondary keel is not less than 14mm according to the wall thickness, inclined support reinforcement is arranged on a construction site according to the wall concrete thickness wall end template, a through-wall bolt gasket is a 60 x 5mm gasket matched with the super-strong secondary keel, a mountain-shaped clamp matched with a steel pipe cannot be used, and the main keel hole is easy to crack and deform due to the use of the mountain-shaped clamp;
the top plate secondary keel adopts super-strong secondary keel with the specification of 40 × 50 × 2440mm, the keel interval is determined according to the thickness of the top plate concrete and the quality of the template panel, the top plate concrete thickness is 100-150mm, the net interval of the secondary keel is 250-200mm, the top plate concrete thickness is 300-450mm, and the net interval of the secondary keel is 200-150 mm.
Further, template component 100 includes wall post template, roof beam curb plate, roof beam bottom plate, suspended formwork and roof, supporting component 200 includes quick detach area, early tear off the head and tear the support open, quick detach the head with pole setting 201 is connected, early tear off the head set up in pole setting 201 is close to template component 100's one end, quick detach area set up in template component 100 with early tear off between the head.
According to the technical specification of early formwork dismantling (J11498-2009), under the condition that the supporting distance is 2m, when the strength of concrete reaches 10Mpa, the early formwork dismantling of the floor slab with the strength grade larger than C20 is safe and reliable, the supporting distance of the project is 1200mm, and the strength of the slab concrete is C30, so that the specification requirements are met. The support rod is dismantled according to the retained same-condition mould-dismantling test block to determine the dismantling time;
the novel early-dismantling template system is formed by taking a wheel buckle/disc buckle scaffold as a vertical supporting component of a template and matching an early-dismantling belt and a fixed-length template. The early-dismantling formwork technology is a construction technology that when the concrete pouring strength of a floor reaches 50% of the design strength, a U-shaped support on a column head is fallen and early dismantled, a main keel and a formwork are dismantled in advance, a quick-dismantling belt is still supported by a vertical rod for early-dismantling a head and a support, and the rest support is dismantled when the concrete strength reaches the construction specification and the formwork dismantling strength is allowed.
Further, the template assembly 100 is a customized modular template, the system framework is a customized modular template, foolproof assembly can be achieved, and multiple turnover can be achieved due to the fact that the standard plate is protected by the cross runners.
The clear water formwork system is adopted for turnover, the beam, the plate and the column are quickly disassembled, the top plate adopts an early disassembling head, the keel and the formwork are early disassembled, the wheel buckle/disc buckle frame is prepared for the vertical rod to be reasonably utilized, the early disassembling system is reasonably utilized for formwork turnover construction, and the quality and the economic benefit are improved.
The formwork system includes: (1) the steel-wood keel is 50 x 1.8mm in specification, the outer keel is provided with holes by adopting galvanized steel pipes, the wall thickness is 1.8mm, and the material is Q235; the inner keel is a whole batten and is made of German white pine; the secondary keel has high stability, large load, no distortion and deformation and strong universality, and the special keel for the four-surface hole is used at the internal corner.
Savings not only in medium and high rise buildings, especially low rise buildings, such as: two-layer basement three-layer market just need join in marriage five layers, and this scheme only needs one deck can.
(2) The horizontal main joist system of consolidating includes:
1. main keel: the specification is 50 × 70 × 3.0mm, the galvanized steel pipe of 3mm of wall thickness punches a hole; the two ends of the keel are reserved with connecting belts of 60-80mm, the middle connecting belt is 50mm, and the length of the opening is 300-400 mm.
2. Reentrant corner connecting piece: the specification is 440 × 440mm, and two inside and outside angles are designed for the reentrant corner connecting piece, and two angles are 90 degrees, and are formed by welding angle iron.
3. Open-close type internal insertion external corner connecting piece: adopting cast steel diagonal angle seats to fasten wires; the special matching device is designed according to the characteristics of the YDX main keel, and is convenient for workers to correct the formwork.
4. The wall head is reinforced and is adopted the cross arm mode, and it is downthehole to insert the main joist with the cross arm, inserts the bayonet lock and strikes tightly can.
5. A joint connecting piece: the steel is made of angle steel, and the specification is 70 × 50 × 6 mm.
This template support system has following advantage:
1. the engineering quality is improved: the support system improves the flatness of wall and roof concrete, and can reach 5-grade vertical to the wall.
2. The energy consumption and the engineering cost are reduced: saves a large amount of wood and reduces the comprehensive cost of the engineering by 40 percent.
3. The labor intensity is reduced, and the labor efficiency is improved: the supporting system has the advantages of less total amount, convenient assembly, disassembly and secondary transportation and can save the work efficiency by 40 percent.
4. The on-site civilized construction degree is improved and the use amount of the tower crane is saved.
5. The supporting system accords with the concept of green environmental protection.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments in the above-described embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. The construction method of the quick-release fair-faced formwork is characterized by comprising the following steps:
s1, construction preparation, namely, preparation work of personnel, materials and technologies before construction is carried out according to construction organization design. Examining a drawing, determining an engineering construction scheme, and making a template by combining a structure diagram, a building diagram, a node detailed diagram and a construction specification according to the requirements of a design drawing, wherein after the template is made, constructors are organized to be familiar with the drawing;
s2, paying off a formwork, and paying off and supporting the formwork after construction preparation of S1, wherein the formwork engineering of the engineering follows the principle that a shear wall column is installed firstly and a beam plate is installed secondly, and wall column formwork installation, beam plate formwork installation and top plate formwork installation are sequentially performed, and the supporting formwork comprises wall column formwork installation, beam plate formwork installation and top plate formwork installation;
the installation of the wall column template comprises the following steps: the method comprises the following steps of controlling lines and positioning ribs, leveling the floor, installing a formwork on one side, installing a formwork on the other side, adjusting the verticality of the wall, installing a sleeve and a screw rod, installing a back ridge, and performing self-checking and acceptance;
the beam plate template installation comprises the following steps: assembling a beam bottom, mounting the beam bottom, mounting a beam side, and adjusting and checking elevation;
the top plate template installation comprises the following steps: installing a quick-release belt, installing a top plate, and checking and accepting the flatness and the self-checking of the plate surface;
s3, after the template is installed in the S2 step, embedded part installation and steel bar welding and binding are carried out, and the flatness and the perpendicularity are checked and reinforced;
s4, after the embedded parts and the reinforcing steel bars of the S3 are installed, pouring and maintaining concrete;
s5, removing the formwork, namely repairing the formwork after the formwork is removed, repeating S2-S5, and using the formwork removed from the bottom layer of the building for upper-layer mounting formwork construction, wherein the formwork removal comprises wall column formwork removal, beam slab formwork removal and top slab formwork removal;
the column template dismantling method comprises the following steps: the method comprises the following steps of (1) examining and approving the form removal, removing a screw rod, removing a back edge, removing a wall column template, and checking and accepting the quality of wall column concrete;
the beam plate template dismantling method comprises the following process steps of template dismantling approval, screw rod dismantling, side beam dismantling and concrete quality acceptance inspection;
the top plate formwork dismantling process comprises the following steps of formwork dismantling examination and approval, top plate dismantling and concrete quality acceptance.
And S6, after the mould is finally removed, maintaining the finished product.
2. The quick-release formwork system is characterized in that the construction method of the quick-release formwork system of claim 1 comprises a formwork component (100), a supporting component (200) and a reinforcing component (300);
the formwork assembly (100) comprises a formwork main body (101), secondary keels (102) and main keels (103), wherein a plurality of secondary keels (102) are arranged on one side of the formwork main body (101), the axes of the secondary keels (102) are parallel to each other, the main keels (103) are further arranged on the secondary keels (102) and on the back side of the formwork main body (101), the axes of the main keels (103) are perpendicular to the axes of the secondary keels (102), the supporting assembly (200) supports the formwork main body (101) through the main keels (103), and a rear dismantling belt (104) is further arranged between the main keels (103) and the formwork main body (101);
the supporting components (200) comprise upright rods (201), horizontal rods (202) and early-dismantling devices (203), a plurality of supporting components (200) are arranged on the same main keel (103) along the axis, the axis of each upright rod (201) is perpendicular to the main keel (103), the end parts of the upright rods (201) are connected with the main keel (103) through the early-dismantling devices (203), and the horizontal rods (202) are arranged between two adjacent upright rods (201);
consolidate subassembly (300) and be used for adjacent two template subassembly (100) is fixed, consolidate subassembly (300) and include gag lever post (301), locating part (302) and locking Assembly (303), gag lever post (301) is L shape setting, the outside of the longer one end of gag lever post (301) is formed with the screw thread, locating part (302) can along the longer one end displacement of gag lever post (301), the shorter one side of gag lever post (301) with locating part (302) forms adjustable fixture, gag lever post (301) set up threaded one end adaptation cover and are equipped with locking Assembly (303), locking Assembly (303) are used for the restriction the displacement of locating part (302).
3. The quick-release clear water formwork system according to claim 2, wherein the secondary keel (102) is a super-strong secondary keel, an outer keel of the super-strong secondary keel is provided with a hole by adopting a galvanized steel pipe, the wall thickness is 1.8mm, and the material is Q235; the inner keel is made of whole batten and is made of white pine.
4. The quick release formwork system defined in claim 3 wherein the formwork assembly (100) comprises wall column formwork, beam side panels, beam bottom panels, suspended formwork and top panels.
5. The quick release clean water formwork system according to claim 4, wherein the support assembly (200) comprises a quick release belt, an early release head and a release bracket.
6. The quick-release formwork system as claimed in claim 5, wherein the quick-release head is connected to the vertical rod (201), and the early-release head is disposed at one end of the vertical rod (201) close to the formwork assembly (100).
7. The quick release clean water formwork system according to claim 6, wherein the quick release strip is disposed between the formwork assembly (100) and the early release head.
8. The quick release clean water formwork system of claim 7, wherein the formwork assembly (100) is a custom modular formwork.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115059296A (en) * | 2022-07-04 | 2022-09-16 | 江苏扬建集团有限公司 | Narrow space formwork supporting structure and construction method thereof |
| CN115217327A (en) * | 2022-05-31 | 2022-10-21 | 浙江城建建设集团有限公司 | Construction method and template for actual measurement result system in stage of improving main structure |
| CN116927484A (en) * | 2023-07-26 | 2023-10-24 | 中建三局第三建设工程有限责任公司 | Assembled beam bottom template system |
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