CN112761377A - Unloading column pulling structure of frame structure and construction method thereof - Google Patents
Unloading column pulling structure of frame structure and construction method thereof Download PDFInfo
- Publication number
- CN112761377A CN112761377A CN202110091475.6A CN202110091475A CN112761377A CN 112761377 A CN112761377 A CN 112761377A CN 202110091475 A CN202110091475 A CN 202110091475A CN 112761377 A CN112761377 A CN 112761377A
- Authority
- CN
- China
- Prior art keywords
- column
- jack
- original bearing
- bearing beam
- unloading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
本申请涉及一种框架结构卸载拔柱结构及其施工方法，涉及建筑施工的领域，框架结构卸载拔柱结构包括多个支撑座以及安装于所述支撑座上的千斤顶，所述千斤顶输出端与承重梁抵接；承重柱开设有正交的通孔，所述通孔长度方向与对应的原承重梁长度方向相同，所述承重柱于所述通孔内浇注有混凝土层，承重梁连接有钢筋网，所述钢筋网内设置有便于卸掉所述千斤顶的固定组件。本申请具有便于实现承重柱对承重梁进行卸载的效果，提升拔柱操作的安全性以及便捷性，大大缩短拔柱施工的工期，且施工过程中采用无痕切割具有环保性能。
The application relates to a frame structure unloading column pulling structure and a construction method thereof, and relates to the field of building construction. The frame structure unloading column pulling structure includes a plurality of support seats and a jack installed on the support seat, and the output end of the jack is connected to the support seat. The load-bearing beams are abutted; the load-bearing columns are provided with orthogonal through holes, the length direction of the through holes is the same as the length direction of the corresponding original load-bearing beams, the load-bearing columns are poured with concrete layers in the through holes, and the load-bearing beams are connected with Reinforcing steel mesh, wherein the reinforcing mesh is provided with a fixing component which is convenient for removing the jack. The present application has the effect of facilitating the unloading of the load-bearing beam by the load-bearing column, improves the safety and convenience of the column pulling operation, greatly shortens the construction period of the column pulling construction, and adopts the non-marking cutting in the construction process with environmental protection performance.
Description
Technical Field
The application relates to the field of building construction, in particular to a frame structure unloading and column pulling structure and a construction method thereof.
Background
The joist column-pulling technology is a comprehensive technology for cutting off part (or all) of the column without dismantling the superstructure of the structure, and is mainly suitable for increasing the use space or changing the plane layout due to the change of functions. The joist pull column is a general name of a joist pull column, a joist wall-dismantling column and a joist pull column, and is a comprehensive technology for dismantling a middle column or a wall under the condition of not dismantling or only slightly dismantling an upper structure. At present, in order to adapt to further development in the future, a plurality of units often want to be able to extract some building columns or walls to enlarge the use space of the buildings, and in the process of transformation, the normal use function of the structure can not be influenced.
The Chinese patent with the application number of CN201410277963.6 is searched, and discloses a joist column pulling construction method, which is respectively arranged below an A column and a C column by upright columns; a hand chain block arranged on the travelling beam is used for pulling and hanging the installation beam, so that the beam penetrates through the B column, two ends of the beam are fixedly connected with the upper ends of the upright columns, and two ends of the beam are fixedly connected with the peripheries of the A column and the C column; a column support is arranged above the joint of the cross beam and the B column and is fixedly connected with the B column; and (5) removing the dismantling section below the B column. The invention uses the adjacent columns at the two sides of the pre-removing column as the support columns, fixes the column to be removed by two steel crossbeams, transfers the load by arranging the conversion member, removes the lower part of the column without removing the upper part of the column, and realizes the reconstruction of the existing building. The bearing capacity and the integral rigidity of the factory building structure are not reduced; the construction space is saved, the construction period is short, the workshop production is not influenced, and the method is safe and reliable.
Aiming at the related technologies, the inventor thinks that the column pulling process needs to prefabricate the beam and hoist the beam through the electric hoist, so that the whole operation is complicated, the operation difficulty is high, and the defect of influencing the column pulling construction efficiency exists.
Disclosure of Invention
In order to solve the problem of convenience in column pulling operation, the application provides a frame structure unloading column pulling structure and a construction method thereof.
The application provides a column structure is pulled out in frame construction uninstallation adopts following technical scheme:
a column pulling structure for unloading of a frame structure comprises a plurality of supporting seats and jacks mounted on the supporting seats, wherein output ends of the jacks are abutted to original bearing beams; the bearing column is characterized in that an orthogonal through hole is formed in the original bearing column, the length direction of the through hole is the same as that of a corresponding supporting beam, a concrete layer is poured in the through hole of the original bearing column, the original bearing beam is connected with a reinforcing mesh, and a fixing assembly which is convenient for dismounting the jack is arranged in the reinforcing mesh.
Through adopting above-mentioned technical scheme, the supporting seat supports the jack, accomplish the uninstallation operation to former spandrel girder through the jack to four sides of former spandrel girder, be convenient for carry out the drilling uninstallation to former spandrel girder, treat the drilling back, place the jack in the position that supports former spandrel girder again, through the mutually supporting effect of fixed subassembly and reinforcing bar net, accomplish the support of jack and the reinforcement operation of new spandrel girder, concrete layer is pour towards the spandrel girder in, promote the load strength to new spandrel girder greatly, treat that new spandrel girder maintenance accomplishes the back, adopt traceless cutting to accomplish and cut former spandrel girder.
Optionally, the fixing assembly comprises an outer die and an enclosure, the enclosure comprises a plurality of end-to-end enclosing plates, the enclosing plates are connected with the reinforcing mesh, the outer die comprises a plurality of end-to-end templates, the jack is located in a space enclosed by the enclosure, and a commercial concrete layer is filled in a gap between the outer die and the enclosure.
By adopting the technical scheme, the new bearing beam is formed by pouring the commercial concrete, and after the commercial concrete layer is cured, the jack is protected and supported.
Optionally, the vertical direction of the enclosing plate gradually inclines towards the direction of the jack, and the size of the opening of one end of the enclosing plate close to the original bearing beam is larger than that of the opening of the other end of the enclosing plate.
Through adopting above-mentioned technical scheme, the bounding wall that the slope set up is used for supporting the jack, reduces the possibility that the jack dropped.
Optionally, a grouting material layer is poured into the inner cavity of the enclosure.
Through adopting above-mentioned technical scheme, the grout material has that flow property is good and the micro-expansion performance, further guarantees interior bearing strength of enclosure and the inseparabler effect of laminating between bounding wall and the grout material.
Optionally, the support seat is a steel support placed on the ground.
Through adopting above-mentioned technical scheme, install the steel shotcrete in ground and form the supporting seat, existing being favorable to demolising the supporting seat, also being favorable to installing the jack simultaneously.
The application also provides a construction method for unloading the column pulling structure of the frame structure, which adopts the following technical scheme:
a construction method for unloading a column pulling structure of a frame structure comprises the following steps,
s1, unloading the jack, building a steel support, and supporting three points of the two original bearing beams around the original bearing column;
s2, drilling, namely coring and drilling the lower part of the original bearing beam of the original bearing column to form a through hole, and immediately supporting the through hole by using a jack; removing the jack in the other direction, and carrying out core drilling along the direction until the jack is completely drilled through in the four directions;
s3, enclosing the periphery of the jack, wherein after the original spandrel girder is drilled and reinforced, the jack is enclosed by the four enclosing plates, and the space enclosed by the four enclosing plates is gradually reduced from top to bottom;
s4, binding steel bars, and forming a steel bar mesh after binding the steel bars;
s5, supporting an outer die, and connecting the reinforcing mesh through a plurality of templates to form the outer die;
s6, pouring merchant concrete, and pouring the merchant concrete in the through hole and the gap between the outer mold and the enclosure to form a merchant concrete layer;
s7, removing the outer mold, and removing the outer mold after the concrete is cured to the designed strength;
s8, removing the jack, and controlling the jack to eject out of the enclosure after the enclosure is removed;
s9, pouring grouting materials, and pouring the grouting materials towards the inside of the enclosure;
and S10, pulling the column, and cutting the column body of the original bearing column below the reinforcing mesh in a nondestructive mode to form a new bearing beam.
By adopting the technical scheme, three side surfaces of the original bearing column are selected, the steel supports are installed, the support base is built, the jack is installed at the top end of the steel support, and the output end of the jack is abutted to the original bearing beam; after core drilling is carried out on the original bearing column, a jack is used for supporting immediately, the jack and the steel support in the other direction are taken away, and core drilling is carried out along the direction until the core drilling is completely carried out in the four directions; the original bearing beam is connected with a reinforcing mesh, the jack is simultaneously surrounded and then an outer mold is formed, after concrete layers are poured between the outer mold and the surrounding and in the through hole, the outer mold and the surrounding plate at the bottom of the jack are removed, the jack is detached after the jack interacts with the original bearing beam, after the surrounding is re-reinforced, the grouting layer is poured in the surrounding, and finally the part, located below the new bearing beam, of the original bearing column is cut off, so that the purpose of column pulling is achieved.
Optionally, in S1, the jack adopts a specification with a cross-sectional dimension less than or equal to 10cm, and the fulcrum of the jack and the cross beam abuts against the column.
By adopting the technical scheme, the jack with the small cross section can reduce the space occupied by the enclosing of the jack, is convenient to take out the jack, is more tightly attached to the original bearing beam, and further ensures the safety of the unloading work of the original bearing beam by the original bearing column.
Optionally, according to the design strength of the new bearing beam in S5, the size of the outer mold section is the same as that of the original bearing beam, and a concrete pouring gate is formed at the interface between the outer mold and the original bearing beam in S6.
By adopting the technical scheme, if the operation of increasing the load of the original bearing beam is not needed according to the design strength, the outer die is only needed to be prolonged along the section of the original bearing beam, and after the pouring of the commercial concrete is completed, the commercial concrete exposed out of the pouring gate is knocked off.
Optionally, in S5, according to the design strength of the new load-bearing beam, the cross-sectional dimension of the outer mold is larger than that of the original load-bearing beam, the original load-bearing beam is wrapped up, and a concrete pouring gate is opened on the floor slab.
By adopting the technical scheme, according to the design strength, the original bearing beam and the jack are wrapped by the outer die, the section of the original bearing beam is increased, the load strength of the original bearing beam is further enhanced, commercial concrete is poured into the outer die from the floor slab, and the load strength of the new bearing beam is enhanced.
Optionally, the strength grade of the concrete poured in the S6 is greater than the strength grade of the concrete of the original bearing column and the original bearing beam.
By adopting the technical scheme, the load strength of the new bearing beam is further enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. unloading the original bearing column through the jack support to ensure the safety performance of core drilling operation on the original bearing column, protecting and supporting the jack through the outer mold and the enclosure, pouring commercial concrete in the range between the outer mold and the enclosure and in the through hole, taking out the jack, and pouring grouting material in the enclosure space, further ensuring the load strength of a new bearing beam, and facilitating subsequent column pulling operation;
2. the enclosing plate is obliquely arranged, so that the jack is conveniently supported and taken out.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 2 is a partial cross-sectional view of a first embodiment of the present application;
fig. 3 is a construction step diagram of the second embodiment of the present application.
Reference numerals: 1. a supporting seat; 2. a jack; 3. a through hole; 4. a concrete layer; 5. a reinforcing mesh; 6. an outer mold; 7. enclosing; 8. supporting steel; 9. original bearing column; 10. original spandrel girder.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example one
The embodiment of the application discloses a column structure is pulled out in frame construction uninstallation. Referring to fig. 1, the unloading and column-pulling structure of the frame structure comprises three supporting seats 1 and a jack 2 installed on the supporting seats 1, wherein the supporting seats 1 are composed of steel supports 8, the steel supports 8 are placed on the ground, the jack 2 is placed on the top of the steel supports 8, the output end of the jack 2 is abutted to an original bearing beam 10, the position of the jack 2 abutted to the original bearing beam 10 is close to an original bearing column 9, and the bearing effect of the unloaded original bearing column 9 on the original bearing beam 10 is realized by the three original bearing beams 10 on the periphery of the original bearing column 9 under the supporting effect of the jack 2.
Referring to fig. 1 and 2, coring and drilling an original bearing column 9 on one side without a jack 2 to form a through hole 3, wherein the original bearing column 9 is provided with two orthogonal through holes 3, the steel support 8 and the jack 2 are adopted for supporting immediately, the steel support 8 and the jack 2 in the other direction are disassembled, and coring is performed along the direction, the through hole 3 is arranged in a penetrating manner, the length direction of the through hole 3 is the same as that of an original bearing beam 10, a concrete layer 4 is poured in the through hole 3 by the original bearing column 9, and the strength grade of the concrete layer 4 is one grade higher than that of the original bearing column 9; and forming a new bearing beam after the concrete layer 4 is poured into the two through holes 3, and supporting the four jacks 2 with the original bearing beam 10.
Meanwhile, in order to further ensure the load strength of a new bearing beam, an original bearing beam 10 is connected with a reinforcing mesh 5, the original bearing beam 10 penetrates through a fixing hole, a split bolt penetrates through the fixing hole, the split bolt and the reinforcing mesh 5 are welded and fixed, a fixing assembly convenient for dismounting a jack 2 is arranged in the reinforcing mesh 5, the fixing assembly comprises an outer die 6 and a guard 7, the outer die comprises a plurality of end-to-end coamings, the coamings are connected with the reinforcing mesh 5, the outer die 6 comprises a plurality of end-to-end templates, the templates are connected with the reinforcing mesh 5, the jack 2 is positioned in a space surrounded by the coamings, and the outer die 6 is wrapped outside the guard 7; the enclosing plate which is vertically arranged is inclined downwards gradually towards the direction of the jack 2, namely, the opening size of one end of the original bearing beam 10 close to the enclosure 7 is larger than that of the other end, so that the purpose of supporting the jack 2 is realized.
Referring to fig. 1 and 2, a commercial concrete layer is poured into a space between the formwork and the enclosing plate, the strength level of the commercial concrete layer is one level higher than that of the original bearing column 9, after curing and curing of the commercial concrete layer are completed, the outer die 6 is removed, the enclosing plate at the bottom of the jack 2 is removed, the jack 2 and the original bearing beam 10 are driven to apply interaction force, the jack 2 is extruded out of the enclosure 7, the jack 2 falls off from the lower portion of the enclosure 7, and the operation of removing the jack 2 is completed.
In order to further enhance the bearing strength of the new bearing beam, grouting material is poured towards the inner cavity of the enclosure 7 to form a grouting material layer, the grouting material adopts high-strength non-shrinkage grouting material, the high-strength non-shrinkage grouting material is prepared by taking high-strength material as aggregate, taking cement as a bonding agent and assisting materials with high flow state, micro expansion and the like, and the grouting material has the performance of micro expansion and high flow state, so that the grouting material layer is ensured to be tightly filled in the enclosure 7 and more stably connected with the enclosing plate, and the load strength of the new bearing beam is enhanced.
The implementation principle of the column structure is pulled out in the uninstallation of this application embodiment of a frame construction does: selecting three side surfaces of an original bearing column 9, installing a steel support 8, completing the construction of a supporting seat 1, installing a jack 2 at the top end of the steel support 8, and enabling the output end of the jack 2 to be abutted against an original bearing beam 10; after core drilling is carried out on an original bearing column 9, a jack 2 is used for supporting immediately, the jack 2 and a steel support 8 in the other direction are taken away, core drilling is carried out along the direction until the four directions of the original bearing column 9 are completely drilled through, the original bearing beam 10 is connected with a reinforcing mesh 5, meanwhile, an outer die 6 is used for enclosing 7 the jack 2, after a concrete layer 4 is poured between the outer die 6 and the enclosure 7 and through holes 3, the outer die 6 and the coamings at the bottom of the jack 2 are removed, the jack 2 is detached after the jack 2 interacts with the original bearing beam 10, and a grouting material layer is poured into the enclosure 7 after the enclosure 7 is re-reinforced; and finally, cutting off the part of the original bearing column 9 below the new bearing beam to realize the purpose of column pulling.
Example two
The embodiment of the application discloses a construction method for unloading a column pulling structure of a frame structure. Referring to fig. 3, the construction method of the frame structure for unloading the column-pulling structure includes the steps of,
s1, unloading the jack 2, building a steel support 8 platform to form a support seat 1, supporting three points of two original bearing beams 10 around the original bearing column 9, wherein the cross section of the jack 2 is smaller than or equal to 10cm, the load capacity is 1-2t, the position where the jack 2 is abutted to the original bearing beam 10 is close to the original bearing column 9, and the unloading work of the original bearing beam 10 by the original bearing column 9 after drilling is further ensured to be safely carried out;
s2, drilling, namely coring and drilling the lower part of the beam of the original bearing column 9 to form a through hole 3, wherein the through hole 3 is arranged in a penetrating manner, the length direction of the through hole 3 is along the length direction of the original bearing beam 10, the operation of building the steel support 8 in the S1 is repeated after drilling, and the original bearing beam 10 is supported by using the jack 2; dismantling the jack 2 and the steel support 8 in the other direction, and carrying out core drilling along the direction until the original bearing column 9 is completely drilled through in four directions;
s3, enclosing 7 the periphery of the jack 2, carrying out 7 enclosing on the jack 2 by the four enclosing plates after drilling and reinforcing the supporting beam, wherein the space enclosed by the four enclosing plates is gradually reduced from top to bottom; according to the design strength, the original bearing beam 10 is drilled and then is penetrated with split bolts, and the split bolts are used for connecting reinforcing steel bars;
s4, binding steel bars, forming a steel bar mesh 5 after binding the steel bars, and arranging two layers of steel bars at the bottom of the steel bar mesh 5 to increase the supporting strength of the steel bar mesh 5;
s5, supporting an external mold 6, connecting the steel bar mesh 5 with a plurality of templates to form the external mold 6, according to the design strength, if the width of the original bearing beam 10 needs to be enlarged after the column is pulled out, wrapping the original bearing beam 10 by the external mold 6, and pouring concrete into an opening on a floor slab; if the width size of the original bearing beam 10 does not need to be enlarged after the column is pulled out, the external mold 6 supports downwards along the section of the original bearing beam 10, the size of the section of the external mold 6 is the same as that of the section of the original bearing beam 10, and a concrete pouring gate is arranged at the interface of the external mold 6 and the original bearing beam 10;
s6, pouring commercial concrete, and pouring commercial concrete in gaps among the through hole 3, the outer mold 6 and the enclosure 7 to form a commercial concrete layer, wherein the strength grade of the commercial concrete layer is greater than that of the original bearing beam 10 and the original bearing column 9;
s7, removing the outer mold 6, and removing the outer mold 6 after the concrete is cured to the designed strength;
s8, paying out the jack 2, removing the enclosure 7, controlling the jack 2 to eject out of the enclosure 7, reinforcing the enclosure 7 after the jack 2 is paid out, and pouring grouting material into the enclosure 7 to form a grouting material layer;
s9, pouring grouting materials, pouring the grouting materials towards the interior of the enclosure 7, wherein the grouting materials are good in flowability and expansion performance and waiting for maintenance;
and S10, pulling the column, and cutting the column body of the original bearing column 9 below the reinforcing mesh 5 in a nondestructive mode to form a new bearing beam.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a column structure is pulled out in frame construction uninstallation which characterized in that: the lifting device comprises a plurality of supporting seats (1) and jacks (2) arranged on the supporting seats (1), wherein the output ends of the jacks (2) are abutted to the original bearing beam (10); the orthogonal through hole (3) is formed in the original bearing column (9), the length direction of the through hole (3) is the same as that of the corresponding original bearing beam (10), the concrete layer (4) is poured into the through hole (3) through the original bearing column (9), the original bearing beam (10) is connected with a reinforcing mesh (5), and a fixing component which is convenient for dismounting the jack (2) is arranged in the reinforcing mesh (5).
2. The frame structure unloading pull column structure according to claim 1, wherein: the fixing assembly comprises an outer die (6) and an enclosure (7), the enclosure (7) comprises a plurality of end-to-end coamings, the coamings are connected with the steel bar mesh (5), the outer die (6) comprises a plurality of end-to-end templates, the jack (2) is located in a space surrounded by the enclosure (7), and a commercial concrete layer is filled in a gap between the outer die (6) and the enclosure (7).
3. The frame structure unloading pull column structure according to claim 2, wherein: the vertical direction of the enclosing plate gradually inclines towards the direction of the jack (2), and the opening size of one end of the enclosing plate (7) close to the original bearing beam (10) is larger than that of the other end of the enclosing plate.
4. The frame structure unloading pull column structure according to claim 2, wherein: and a grouting material layer is poured in the inner cavity of the enclosure (7).
5. The frame structure unloading pull column structure according to claim 1, wherein: the supporting seat (1) is a steel support (8) placed on the ground.
6. A construction method for unloading a column pulling structure of a frame structure, based on the column pulling structure of any one of claims 1 to 5, characterized in that: comprises the following steps of (a) carrying out,
s1, unloading the jack (2), building a steel support (8), and supporting three points of two original bearing beams (10) around the original bearing column (9);
s2, drilling, namely coring and drilling the lower part of the original bearing beam (10) of the original bearing column (9) to form a through hole (3), and immediately supporting the through hole by using a jack (2); removing the jack (2) in the other direction, and carrying out core drilling along the direction until the jack is completely drilled through in the four directions;
s3, enclosing (7) the periphery of the jack (2), drilling the original bearing beam (10) for reinforcement, and then enclosing (7) the jack (2) by the four enclosing plates, wherein the space enclosed by the four enclosing plates is gradually reduced from top to bottom;
s4, binding steel bars, and forming a steel bar mesh (5) after binding the steel bars;
s5, supporting the outer die (6), and connecting the outer die (6) outside the reinforcing mesh (5) through a plurality of templates;
s6, pouring merchant concrete, and pouring the merchant concrete in the through hole (3) and the gap between the outer mold (6) and the enclosure (7) to form a merchant concrete layer;
s7, removing the outer mold (6), and removing the outer mold (6) after the concrete is cured to the designed strength;
s8, removing the jack (2), and controlling the jack (2) to eject out of the enclosure (7) after removing the enclosure (7);
s9, pouring grouting materials, and pouring the grouting materials towards the interior of the enclosure (7);
and S10, pulling the column, and cutting the column body of the original bearing column (9) below the reinforcing mesh (5) in an undamaged way to form a new bearing beam.
7. The construction method for unloading a column pulling structure of a frame structure according to claim 6, wherein: in S1, the jack (2) adopts a specification that the section size is less than or equal to 10cm, and simultaneously, the fulcrum of the jack (2) and the original bearing beam (10) is tightly close to the position of the original bearing column (9).
8. The construction method for unloading a column pulling structure of a frame structure according to claim 6, wherein: according to the design strength of the new bearing beam in the S5, the section size of the outer die (6) is the same as that of the original bearing beam (10), and a concrete pouring gate is arranged at the interface of the outer die (6) and the original bearing beam (10) in the S6.
9. The construction method for unloading a column pulling structure of a frame structure according to claim 6, wherein: and S5, according to the design strength of the new bearing beam, the section size of the outer die (6) is larger than that of the original bearing beam (10), the original bearing beam (10) is wrapped, and a concrete pouring gate is arranged on the floor slab.
10. The construction method for unloading a column pulling structure of a frame structure according to claim 6, wherein: and in the S6, the strength grade of the poured concrete is greater than the strength grade of the concrete of the original bearing column (9) and the original bearing beam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091475.6A CN112761377B (en) | 2021-01-23 | 2021-01-23 | Frame structure unloading column pulling structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091475.6A CN112761377B (en) | 2021-01-23 | 2021-01-23 | Frame structure unloading column pulling structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112761377A true CN112761377A (en) | 2021-05-07 |
| CN112761377B CN112761377B (en) | 2025-05-27 |
Family
ID=75706835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091475.6A Active CN112761377B (en) | 2021-01-23 | 2021-01-23 | Frame structure unloading column pulling structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112761377B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445744A (en) * | 2021-08-05 | 2021-09-28 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
| CN116220428A (en) * | 2023-03-22 | 2023-06-06 | 广东省第一建筑工程有限公司 | Joist column pulling structure and construction method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387114A (en) * | 2008-09-19 | 2009-03-18 | 天津市市政工程设计研究院 | Active underpinning structure of statically indeterminate pier column or pile foundation and its construction method |
| US20120210669A1 (en) * | 2011-02-18 | 2012-08-23 | Senvex Co., Ltd. | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels |
| CN204552141U (en) * | 2015-04-22 | 2015-08-12 | 福州大学 | A kind of braced structures for beam stanchion construction of replacing |
| CN104863380A (en) * | 2015-05-20 | 2015-08-26 | 中建三局第二建设工程有限责任公司 | Overall replacement system for original building shock-insulation support and construction method |
| CN106639349A (en) * | 2016-12-14 | 2017-05-10 | 广西建工集团第建筑工程有限责任公司 | Construction method for partial replacement of concrete column |
| CN110259184A (en) * | 2019-07-02 | 2019-09-20 | 浙江众安建设集团有限公司 | Column construction method is pulled out based on Removing Columns combined support jack-up system |
| WO2020052637A1 (en) * | 2018-09-14 | 2020-03-19 | 武大巨成结构股份有限公司 | Device for alternately jacking added storey of building with high-strength concrete columns and steel slideways and construction method therefor |
| CN111472566A (en) * | 2020-04-13 | 2020-07-31 | 中建三局集团有限公司 | Underpinning device and underpinning method for joist pull column |
| CN112211425A (en) * | 2020-08-27 | 2021-01-12 | 中国建筑第四工程局有限公司 | Construction method for unloading replacement of joist and column of cast-in-place structure |
| CN214424101U (en) * | 2021-01-23 | 2021-10-19 | 武汉鼎盛力华工程技术有限公司 | Unloading and column pulling structure of frame structure |
-
2021
- 2021-01-23 CN CN202110091475.6A patent/CN112761377B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387114A (en) * | 2008-09-19 | 2009-03-18 | 天津市市政工程设计研究院 | Active underpinning structure of statically indeterminate pier column or pile foundation and its construction method |
| US20120210669A1 (en) * | 2011-02-18 | 2012-08-23 | Senvex Co., Ltd. | Method of constructing prefabricated steel reinforced concrete (psrc) column using angle steels and psrc column using angle steels |
| CN204552141U (en) * | 2015-04-22 | 2015-08-12 | 福州大学 | A kind of braced structures for beam stanchion construction of replacing |
| CN104863380A (en) * | 2015-05-20 | 2015-08-26 | 中建三局第二建设工程有限责任公司 | Overall replacement system for original building shock-insulation support and construction method |
| CN106639349A (en) * | 2016-12-14 | 2017-05-10 | 广西建工集团第建筑工程有限责任公司 | Construction method for partial replacement of concrete column |
| WO2020052637A1 (en) * | 2018-09-14 | 2020-03-19 | 武大巨成结构股份有限公司 | Device for alternately jacking added storey of building with high-strength concrete columns and steel slideways and construction method therefor |
| CN110259184A (en) * | 2019-07-02 | 2019-09-20 | 浙江众安建设集团有限公司 | Column construction method is pulled out based on Removing Columns combined support jack-up system |
| CN111472566A (en) * | 2020-04-13 | 2020-07-31 | 中建三局集团有限公司 | Underpinning device and underpinning method for joist pull column |
| CN112211425A (en) * | 2020-08-27 | 2021-01-12 | 中国建筑第四工程局有限公司 | Construction method for unloading replacement of joist and column of cast-in-place structure |
| CN214424101U (en) * | 2021-01-23 | 2021-10-19 | 武汉鼎盛力华工程技术有限公司 | Unloading and column pulling structure of frame structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445744A (en) * | 2021-08-05 | 2021-09-28 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
| CN113445744B (en) * | 2021-08-05 | 2022-04-08 | 广东中都建筑集团有限公司 | Grouting-free sleeve assembly integral beam-column structure UHPC connection construction method |
| CN116220428A (en) * | 2023-03-22 | 2023-06-06 | 广东省第一建筑工程有限公司 | Joist column pulling structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112761377B (en) | 2025-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111364350B (en) | A light-weight steel-concrete composite cover beam with quick installation of large cantilever arm | |
| CN103104091B (en) | Sliding mold whole lifting platform and construction method | |
| CN107849831A (en) | Method for carrying out pushing tow/construction bridge using prefabricated panel and steel-pipe concrete truss | |
| CN102021889A (en) | Bridge erection method | |
| CN113089491A (en) | Construction method of large cantilever prestressed concrete bent cap | |
| CN108104284B (en) | Wall panel connection structure and assembly method with steel arm of shear wall embedded in floor slab | |
| CN108678423A (en) | Vertical conversion bearing structure is demolishd in reverse direction of reinforced concrete structure | |
| CN112761377B (en) | Frame structure unloading column pulling structure and its construction method | |
| CN110359672B (en) | Prefabricated rail top air duct assembly structure and construction method thereof | |
| CN111188457A (en) | Edge sealing beam structure of super high-rise steel structure building and construction method | |
| CN109837910B (en) | Foundation pit construction method combining reverse construction method and steel support | |
| CN112160594B (en) | Construction method beneficial to resisting horizontal force of multi-layer special-shaped steel structure building | |
| KR101232704B1 (en) | The installation and dismantlement method of main girder for bridge temporary | |
| CN104989422A (en) | Tunnel half-prefabricated speeded-up middle-wall construction process | |
| CN214424101U (en) | Unloading and column pulling structure of frame structure | |
| CN114000426A (en) | Cable tower and construction process thereof | |
| CN105735099A (en) | Simply supported-to-continuous girder bridge adopting external prestressed force in construction period and construction method thereof | |
| CN210421568U (en) | Assembled beam and plate structure | |
| CN111364642A (en) | Assembled energy-consumption shear wall system and construction method thereof | |
| CN111794074B (en) | Arch bridge concrete beam and beam forming method thereof | |
| CN110394886A (en) | A kind of prefabricated beam quick-detachable assembly line steel formwork | |
| CN212426706U (en) | Fully prefabricated light large cantilever pre-bent composite cover beam structure | |
| CN112140290B (en) | Pouring method for prefabricated bridge deck | |
| CN115821770A (en) | Construction method for cover beam of cross-sea bridge | |
| CN111719417A (en) | Fully prefabricated light large cantilever pre-bent composite cover beam structure and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |