CN115059296B - Narrow space formwork support structure and construction method thereof - Google Patents
Narrow space formwork support structure and construction method thereof Download PDFInfo
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- CN115059296B CN115059296B CN202210846122.7A CN202210846122A CN115059296B CN 115059296 B CN115059296 B CN 115059296B CN 202210846122 A CN202210846122 A CN 202210846122A CN 115059296 B CN115059296 B CN 115059296B
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- reinforcement member
- formwork
- reinforcement
- template
- main beam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
本发明公开一种狭小空间模板支撑结构及其施工方法，涉及建筑施工技术领域，该支撑结构包括：外侧加固件；内侧加固件，内侧加固件位于外侧加固件的内侧；中间加固件，中间加固件设置于外侧加固件和内侧加固件之间；罩面梁模板；主梁模板；穿墙螺杆，穿墙螺杆依次穿过内侧加固件和外侧加固件；直铁加固件，直铁加固件分别依次穿过内侧加固件、中间加固件和外侧加固件。该施工方法是前述的狭小空间模板支撑结构的施工方法。本发明解决了现有建筑整体立面是规整形、异形外侧挑板和下挂罩面梁的施工不便和体系难以固定、拆卸等问题，保证了整体结构施工的可靠性，具有可操作性、经济性、便捷性。
The present invention discloses a narrow space formwork support structure and a construction method thereof, and relates to the technical field of building construction. The support structure comprises: an outer reinforcement member; an inner reinforcement member, which is located on the inner side of the outer reinforcement member; an intermediate reinforcement member, which is arranged between the outer reinforcement member and the inner reinforcement member; a cover beam formwork; a main beam formwork; a through-wall screw, which passes through the inner reinforcement member and the outer reinforcement member in sequence; a straight iron reinforcement member, which passes through the inner reinforcement member, the intermediate reinforcement member and the outer reinforcement member in sequence. The construction method is the construction method of the aforementioned narrow space formwork support structure. The present invention solves the problems of the inconvenience of construction of the existing building's overall facade being regular-shaped, irregular-shaped outer cantilever plates and lower hanging cover beams, and the difficulty of fixing and disassembling the system, thereby ensuring the reliability of the overall structural construction and having operability, economy and convenience.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a narrow space formwork support structure and a construction method thereof.
Background
In the building construction process, the construction in a narrow space often exists, and the conditions of difficult formwork support and difficult grasp of construction quality exist in the construction of the areas. Not only increases the construction cost, but also delays the construction period of the engineering, therefore, various reinforcement schemes are provided for the construction of a narrow space, and various template reinforcing members with larger rigidity are designed.
The conventional template reinforcement is that plywood is matched with a batten, and wall penetrating screws are utilized for reinforcement. This conventional reinforcement can only be used in common, large-bay, easy-to-handle frame structures. For a narrow space, the situation that a worker cannot enter is the situation that the worker can make a little effort.
Disclosure of Invention
The invention aims to provide a formwork support structure in a narrow space and a construction method thereof, and solves the technical problem that a formwork reinforced support structure in the prior art cannot be suitable for the narrow space.
The embodiment of the application discloses a narrow space template supporting structure, which comprises the following components:
An outer reinforcement;
An inboard reinforcement located inboard of the outboard reinforcement;
a middle reinforcement disposed between the outboard reinforcement and the inboard reinforcement;
the cover face beam template is arranged between the outer reinforcing member and the middle reinforcing member;
the main beam template is arranged between the inner reinforcement and the middle reinforcement;
The wall penetrating screw rod sequentially penetrates through the inner reinforcing member and the outer reinforcing member;
And the straight iron reinforcement penetrates through the inner reinforcement, the middle reinforcement and the outer reinforcement in sequence respectively.
According to the embodiment of the application, the support structure is designed, and the support in a narrow space is completed by additionally arranging the outer side, the inner side and the middle reinforcement, so that the stability of the whole structure is improved.
Based on the technical scheme, the embodiment of the application can be further improved as follows:
further, the intermediate reinforcement includes:
the two supporting pieces are arranged at intervals;
the fastening template, the fastening template sets up in two between the support piece, the beneficial effect that adopts this step is through the stability that fastening template can improve overall structure.
Further, the intermediate reinforcement further includes: the beneficial effects of the method are that the supporting effect is enhanced through the modules.
The application also discloses a construction method of the narrow space formwork support structure, which comprises the following steps:
S1: setting up a bent;
S2: dividing equal line segments according to a design drawing, then lofting and positioning, and connecting the equal line segments to form a control line;
S3: each equal line segment is constructed, and the construction sequence is as follows: the main beam is installed, the supporting structure is installed, and the cover beam is installed;
S4: and (5) concrete pouring and support structure dismantling are carried out.
Based on the technical scheme, the embodiment of the application can be further improved as follows:
further, the method for dividing the medium line segments in the step S2 specifically includes the following steps:
When the design drawing is an arc structure, dividing the design drawing into equal line segments according to the end points, the middle points and the turning points of the arc structure;
When the design drawing is of a linear structure, dividing the design drawing into equal line segments according to the endpoints and the midpoints of the linear structure;
the length of the medium line segment in the step S2 is 10-30cm, and the beneficial effect of the step is that the medium line segment is divided, so that the subsequent assembly is convenient.
Further, the method for installing the main beam in the step S3 specifically includes the following steps: paving a main girder bottom die, aligning the outer edge of the main girder bottom die with the control line through a plumb bob, and fixing; and (5) binding girder steel bars after the paving is finished, and finally installing a girder template.
Further, the method for installing the support structure in the step S3 specifically includes the following steps:
Installing a cover beam template, and installing the middle reinforcing part between the main beam template and the cover beam template; during installation, one of the supporting pieces is in contact with the main beam template, a plurality of wood blocks are arranged between the supporting pieces and the main beam template, the other supporting piece is in contact with the overlay beam template, a plurality of wood blocks are arranged between the supporting pieces and the overlay beam template, and then the fastening template is installed between the two supporting pieces.
Further, the method for installing the cover beam in the step S3 specifically includes the following steps:
Binding cover face beam steel bars, fixing cover face beam outer side templates, and installing wall penetrating screws at the upper parts of the cover face beams, so that the wall penetrating screws traverse the main beams, the cover face beams, the outer side reinforcing members, the inner side reinforcing members and the two supporting members and are fixed; and a straight iron reinforcement is arranged below the cover face beam, and the straight iron reinforcement penetrates through the outer reinforcement, the inner reinforcement and the two supporting pieces to be fixed.
Further, the method for removing the support structure in step S4 specifically includes the following steps: and jacking the fastening template from bottom to top, so that the fastening template is separated from contact with the supporting piece, and the supporting structure is removed.
The one or more technical schemes provided by the application have at least the following technical effects or advantages:
1. the supporting structure can be arranged in a gap between the upper beam and the lower beam of the double beam, the two supporting pieces can be prevented from approaching through the fastening template, an operation surface is not needed, and the fastening template is only required to be separated from contact with the supporting pieces during the dismantling.
2. The application solves the problems that the prior building integral elevation is shaped regularly, the construction of the outer side cantilever plates and the lower hanging cover face beams are inconvenient, the system is difficult to fix and detach, and the like, ensures the reliability of the integral structure construction, and has operability, economy and convenience
3. The application adopts the straight iron reinforcement to carry out reinforcement, has high self rigidity, is not easy to deform in the turnover use process, has little material loss, can be repeatedly used in turnover, and saves the template reinforcement cost. Meanwhile, the use of the wall penetrating screw is reduced, the appearance quality of beam forming is improved, and the deformation of the rod piece caused by the expansion die is effectively restrained.
4. The application is suitable for the parts which are arranged in parallel and have over high heights and over small intervals of arc (irregular) double beams under the plates and can not enter the mounting and dismounting templates.
5. The application has low labor cost and can save 20-30% of the labor cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a narrow space formwork support structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a construction of a formwork support structure in a small space according to an embodiment of the present invention;
Reference numerals:
1-outboard reinforcement; 2-medial reinforcement; 3-an intermediate reinforcement; 4-finishing the beam template; 5-girder templates; 6-a wall penetrating screw; 7-a straight iron reinforcement;
301-a support; 302-fastening a template; 303-wood blocks.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Examples:
as shown in fig. 1, the embodiment of the application discloses a small-space formwork support structure, which can be used for supporting a small space and is convenient for subsequent dismantling;
the concrete structure comprises:
an outer reinforcement 1, the outer reinforcement 1 being adapted to cooperate with a subsequent corresponding fixture to form a stable support structure;
An inner reinforcement 2, the inner reinforcement 2 being located inside the outer reinforcement 1, the inner reinforcement 2 being able to cooperate with other members to complete the reinforcement;
a middle reinforcement 3, the middle reinforcement 3 being disposed between the outer reinforcement 1 and the inner reinforcement 2; the middle reinforcement 3 is positioned between the main girder and the cover girder, so that the stability of the whole structure is improved;
A finish beam template 4, the finish beam template 4 being disposed between the outboard reinforcement 1 and the intermediate reinforcement 3;
a main beam form 5, the main beam form 5 being disposed between the inboard reinforcement 3 and the intermediate reinforcement 3;
The wall penetrating screw rod 6 sequentially penetrates through the inner reinforcing member 2 and the outer reinforcing member 1;
The straight iron reinforcement 7 passes through the inner reinforcement 2, the middle reinforcement 3 and the outer reinforcement 1 in sequence, respectively.
The middle reinforcement 3 is arranged between the main girder template 5 and the cover girder template 4, so that the middle reinforcement 3 can play a role in reinforcement and support, and is convenient to detach during the process of detaching; meanwhile, the straight iron reinforcement 7 is adopted for reinforcement, the self rigidity is high, deformation is not easy to occur in the turnover use process, the material loss is very little, the turnover use can be repeated, and the template reinforcement cost is saved. Meanwhile, the use of the wall penetrating screw is reduced, the appearance quality of beam forming is improved, and the deformation of the rod piece caused by the expansion die is effectively restrained.
Wherein the intermediate reinforcement 3 comprises:
The two supporting pieces 301 are arranged at intervals, and the supporting pieces 301 are arranged at intervals;
The fastening templates 302 are arranged between the two supporting pieces 301, the fastening templates 302 are used for supporting, the fastening templates are divided into vertical fastening templates and transverse fastening templates, the vertical fastening templates sequentially penetrate through the two supporting pieces 301, and the transverse fastening templates are arranged between the two supporting pieces 301 from top to bottom, so that the two supporting pieces 301 can be prevented from approaching, an operation surface is not needed, and the fastening templates are only required to be separated from the supporting pieces when the fastening templates are detached.
In one embodiment, the middle reinforcement 3 of the present application further comprises a plurality of wood blocks 303, wherein the wood blocks 303 are respectively disposed between the finishing beam template 4 and the supporting member 301, and between the main beam template 5 and the supporting member 301; the wood block 303 is used for forming the extrusion of the overlay beam template 4 and the main beam template 5; when the wood block 303 is added, after the fastening template 302 is separated from the supporting pieces 301, the two supporting pieces 301 are close, so that the pressing force for removing the pressing force from the inner sides of the cover beam template 4 and the main beam template 5 is realized, and quick dismantling is realized.
Example 2:
The application discloses a construction method of a formwork support structure in a narrow space, which comprises the following steps:
S1: setting up a bent, setting up the bent according to the requirements of building standards, and checking a bent supporting system according to a special scheme and related specifications, wherein the specific structure is shown in figure 2;
S2: dividing equal line segments according to a design drawing, then lofting and positioning, and connecting the equal line segments to form a control line; when the design drawing is an arc structure in the equal line segment division, dividing the design drawing into equal line segments according to the end points, the middle points and the turning points of the arc structure; when the design drawing is of a linear structure, dividing the design drawing into equal line segments according to the endpoints and the midpoints of the linear structure; the length of the equal line segments in the two control lines is 10-30cm; the arc-shaped structure control line is provided with turning points, and the straight line structure control line is not provided with turning points;
S3: each equal line segment is constructed, and the construction sequence is as follows: main beam installation, support structure installation as described in example 1, cover beam installation;
S4: and (5) concrete pouring and support structure dismantling are carried out.
The installation of the girder specifically comprises: paving a girder bottom die, binding girder steel bars after paving, and finally installing a girder template; the bottom of the girder corresponds to the control line, when the control line is of an arc structure, an arc-shaped girder bottom die is adopted (when the girder template is assembled, the arc-shaped girder template is finally formed by fixedly installing the arc-shaped girder bottom die along with the girder bottom die through bending after a groove with the length of 5mm by a vertical saw and adjusting the template according to jacking); also when the control line is a linear structure control line, a linear main girder bottom die is adopted; when the girder bottom die is paved, the outer edge of the girder bottom die is aligned with the control line through a plumb bob and then fixed;
The mounting of the support structure is specifically as follows: firstly, installing a top-facing beam template, and installing the middle reinforcing part between the main beam template and the top-facing beam template; during installation, one of them support piece with girder template contact, and support piece with be provided with polylith wood piece between the girder template, another support piece with top facing girder template contact, and be provided with polylith wood piece between support piece with top facing girder template carries out same elevation control to the wood piece, when the wood piece elevation control is unanimous, uses vertical fastening template to pass two support piece temporary fixation control elevation (the side of support piece is open the groove, is convenient for wear to establish vertical fastening template), installs between two support pieces with the horizontal fastening template of the clearance width of two support pieces (prevent vertical fastening template atress upset), forms stable supporting space (every two bearing structures share a horizontal fastening template), seals the clearance between the double beam at last. And the clamp is placed, fixed and supported above or below the beam without an operation surface.
The method for installing the cover beam comprises the following steps: binding cover face beam steel bars, fixing the outer side template of the cover face beam, and installing a wall penetrating screw on the upper part of the cover face beam, so that the wall penetrating screw traverses the main beam, the cover face beam, the outer side reinforcing member, the inner side reinforcing member and the two supporting members and is fixed (can be fixed by inserting bolts); and a straight iron reinforcement is arranged below the cover surface beam, and the straight iron reinforcement penetrates through the outer reinforcement, the inner reinforcement and the two supporting pieces and is fixed (can be fixed by inserting a bolt).
After all the main beams, the supporting structures and the cover surfaces are installed, concrete pouring is carried out, and the main beams and the cover surface beams are covered firstly during pouring;
The method for dismantling the supporting structure comprises the following steps: and jacking the fastening template from bottom to top, so that the fastening template is separated from contact with the supporting piece, and the supporting structure is removed.
In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210846122.7A CN115059296B (en) | 2022-07-04 | 2022-07-04 | Narrow space formwork support structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210846122.7A CN115059296B (en) | 2022-07-04 | 2022-07-04 | Narrow space formwork support structure and construction method thereof |
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| CN115059296A CN115059296A (en) | 2022-09-16 |
| CN115059296B true CN115059296B (en) | 2024-05-10 |
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| CN115573572A (en) * | 2022-09-27 | 2023-01-06 | 中建一局集团建设发展有限公司 | A construction method for narrow space structures using ceramsite as a support system |
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| FR2904347A1 (en) * | 2006-07-31 | 2008-02-01 | Hussor Soc Par Actions Simplif | Form panel level adjustment jack for formwork of e.g. shear wall, has spindle handled during dismounting of formwork after unlocking spindle to bring plate in contact with inner face of shaft, where jack is mounted outside stiffeners |
| CN110409823A (en) * | 2019-07-11 | 2019-11-05 | 中国建筑第八工程局有限公司 | Template reinforcing device and formwork reinforcement method |
| CN113513160A (en) * | 2021-03-16 | 2021-10-19 | 中国建筑第二工程局有限公司 | Construction method of basement high and large formwork support system |
| CN215055345U (en) * | 2021-03-09 | 2021-12-07 | 中建二局第一建筑工程有限公司 | Formwork reinforcement in deformation seam and formwork reinforcement structure in deformation seam |
| CN114319900A (en) * | 2022-01-11 | 2022-04-12 | 四川中旺易模科技有限公司 | Quick-release clear water formwork system and construction method |
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2022
- 2022-07-04 CN CN202210846122.7A patent/CN115059296B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2904347A1 (en) * | 2006-07-31 | 2008-02-01 | Hussor Soc Par Actions Simplif | Form panel level adjustment jack for formwork of e.g. shear wall, has spindle handled during dismounting of formwork after unlocking spindle to bring plate in contact with inner face of shaft, where jack is mounted outside stiffeners |
| CN110409823A (en) * | 2019-07-11 | 2019-11-05 | 中国建筑第八工程局有限公司 | Template reinforcing device and formwork reinforcement method |
| CN215055345U (en) * | 2021-03-09 | 2021-12-07 | 中建二局第一建筑工程有限公司 | Formwork reinforcement in deformation seam and formwork reinforcement structure in deformation seam |
| CN113513160A (en) * | 2021-03-16 | 2021-10-19 | 中国建筑第二工程局有限公司 | Construction method of basement high and large formwork support system |
| CN114319900A (en) * | 2022-01-11 | 2022-04-12 | 四川中旺易模科技有限公司 | Quick-release clear water formwork system and construction method |
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Denomination of invention: A template support structure for a narrow space and its construction method Granted publication date: 20240510 Pledgee: Bank of China Limited Yangzhou Development Zone Branch Pledgor: JIANGSU YANG JIAN GROUP Co.,Ltd. Registration number: Y2025980059205 |