CN220353404U - Post-sedimentation pouring belt back-roof structure adopting constructional column - Google Patents
Post-sedimentation pouring belt back-roof structure adopting constructional column Download PDFInfo
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- CN220353404U CN220353404U CN202321925924.3U CN202321925924U CN220353404U CN 220353404 U CN220353404 U CN 220353404U CN 202321925924 U CN202321925924 U CN 202321925924U CN 220353404 U CN220353404 U CN 220353404U
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000005266 casting Methods 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 238000009415 formwork Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a post-sedimentation casting belt topping structure adopting constructional columns, which is characterized in that vertical constructional columns are arranged between a basement bottom plate and cantilever beam plates at two sides of the post-sedimentation casting belt of each floor of the basement top plate for topping, and the spacing between the constructional columns is more than 4m along the span direction of the beams; the constructional column comprises a PVC pipe, constructional column steel bars and column foot steel bars, wherein the bottom of the outer side of the PVC pipe is fixed on the basement bottom plate and the overhanging beam plates of each floor slab by the column foot steel bars, and the constructional column steel bars are arranged in the PVC pipe and are poured with concrete to form an integral structure. The utility model avoids the influence of the material deformation of the traditional steel pipe rack back roof, the loss replacement of the formwork battens and the like on the stress of the cantilever beam plate, solves the problem of long retention time of the post-sedimentation casting belt, improves the turnover efficiency of the support frame material, and is convenient for the retention of the basement construction channel.
Description
Technical Field
The utility model belongs to the technical field of constructional engineering construction, and particularly provides a post-settlement casting belt topping structure adopting constructional columns.
Background
The traditional post-pouring belt back-top supporting system adopts a steel pipe rack template to independently support, the steel pipe rack template is reserved when the structural template supports at two sides are removed, and the steel pipe rack template supporting system can be removed after the concrete in the post-pouring belt is poured and maintained for 28 days. The traditional post-pouring belt back-roof supporting system is erected by adopting steel pipe frames, at least 6 rows of steel pipe frames are erected on two sides, and the longitudinal distance and the transverse distance are 900mm. Because the settlement post-pouring zone is long in facility work, the post-pouring zone needs to be closed after the tower is capped, the steel pipe frame needs to be reserved for a long time, the renting cost is high, a channel cannot be formed due to basement masonry, garbage cleaning and the like, the local formwork support is removed, and the structural stress cannot be guaranteed.
Disclosure of Invention
The utility model aims to provide a post-pouring strip top returning structure adopting constructional columns, which is used for solving the problems that the traditional post-pouring strip steel pipe rack is not in place in top returning, is easy to detach and is difficult to meet the standard requirement.
The technical scheme of the utility model is as follows: the post-settlement casting belt jacking structure adopting constructional columns is characterized in that vertical constructional columns are arranged between a basement bottom plate 7 and cantilever beam plates 6 on two sides of the post-settlement casting belt of each floor of the basement top plate for jacking, and the arrangement distance of the constructional columns along the span direction of the beams is larger than 4m; the constructional column comprises a PVC pipe 1, constructional column steel bars 2 and column foot steel bars 3, wherein the bottom of the outer side of the PVC pipe 1 is positioned and fixed on a basement bottom plate 7 and cantilever beam plates 6 of each floor slab by the column foot steel bars 3, and the constructional column steel bars 2 are arranged in the PVC pipe 1 and are used for pouring concrete 4 to form an integral structure.
Further, the constructional column further comprises a batten 5, and the outer ring of the PVC pipe 1 is reinforced by surrounding the batten 5.
Further, the constructional columns are arranged at intervals of 6-8 m along the span direction of the beam.
Further, the constructional column is 300mm away from the edge of the cantilever beam plate 6.
Further, the PVC pipe 1 has a wall thickness of 5mm and a diameter of 300mm.
Further, the constructional column steel bar 2 is formed by binding 4 longitudinal steel bars 2a and stirrups 2b arranged at intervals, the longitudinal steel bars 2a are three-level steel with phi 14, the stirrups 2b are three-level steel with phi 10, and the arrangement interval is 200mm.
Further, the column base steel bar 3 adopts 4 phi 20 tertiary steels, and the length is 200mm.
Further, the size of the square timber 5 is 40 mm 90mm, and the square timber is tightly attached to the outer ring of the PVC pipe 1 and is tightly tied by a plurality of iron wires.
The utility model has the following beneficial effects:
according to the utility model, the structural column back-jacking is arranged at the tail ends of the cantilever beam plates at the two sides of the post-settlement casting belt, so that the influence of material deformation of the back-jacking of the traditional steel pipe rack, the loss replacement of the formwork battens and the like on the stress of the cantilever beam plates is avoided, and the problem of long setting time of the post-settlement casting belt is solved; the turnover efficiency of the support frame material is improved by adopting the structure column back-jacking, and the steel pipe leasing cost is saved; meanwhile, the method is convenient for the reserved basement construction channel and plays a good role in on-site civilized construction; the utility model has convenient construction operation, and is poured together with the basement structure beam slab, once in place, and no extra secondary erection and disassembly are caused; the utility model has reliable stress, does not need to arrange a steel pipe support frame for jacking, and reduces the renting cost of a large amount of materials; the utility model has large space range, and the transportation of basement materials and the running of vehicles are not hindered; the materials used in the utility model are sourced from the site, and the post construction concrete can be used for backfilling materials of the side wall of the basement after the post construction concrete is removed in the later period, so that the method is economical, environment-friendly and environment-friendly.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a schematic view of a connecting structure of a column shoe according to the present utility model;
FIG. 5 is a schematic view of the structure of the reinforcement between PVC pipe and constructional column steel bar by batten reinforcement in the utility model;
in the figure: 1. a PVC pipe; 2. constructing a column steel bar; 2a, longitudinal steel bars; 2b, stirrups; 3. column foot steel bar; 4. concrete; 5. wood square; 6. overhanging beam plates; 7. a basement floor.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1 to 5, a post-settlement casting belt topping structure adopting constructional columns is characterized in that vertical constructional columns are arranged between a basement bottom plate 7 and cantilever beam plates 6 at two sides of the post-settlement casting belt of each floor of the basement top plate for topping, and the arrangement interval of the constructional columns along the beam span direction is larger than 4m; the constructional column comprises a PVC pipe 1, constructional column steel bars 2 and column foot steel bars 3, the bottom of the outer side of the PVC pipe 1 is positioned and fixed on a basement bottom plate 7 and cantilever beam plates 6 of each floor slab by the column foot steel bars 3, and the constructional column steel bars 2 are arranged in the PVC pipe 1 and cast with concrete 4 to form an integral structure.
In the embodiment of the utility model, the constructional column further comprises a batten 5, and the outer ring of the PVC pipe 1 is reinforced by surrounding the batten 5, so that the PVC pipe 1 is prevented from cracking in the concrete pouring process.
In the embodiment of the utility model, the constructional columns are arranged at intervals of 6-8 m along the span direction of the beam.
In the embodiment of the utility model, the constructional column is 300mm from the edge of the cantilever beam plate 6.
In the embodiment according to the utility model, the PVC pipe 1 has a wall thickness of 5mm and a diameter of 300mm.
In the embodiment of the utility model, the constructional column steel bar 2 is formed by binding 4 longitudinal steel bars 2a and stirrups 2b arranged at intervals, wherein the longitudinal steel bars 2a are three-level steel with phi 14, the stirrups 2b are three-level steel with phi 10, and the arrangement interval is 200mm.
In the embodiment of the utility model, the column base steel bar 3 adopts 4 phi 20 tertiary steels, and the length is 200mm.
In the embodiment of the utility model, the concrete 4 and each layer of overhanging beam plate 6 are poured simultaneously, and the same reference numerals are used for the concrete of the overhanging beam plate 6.
In the embodiment of the utility model, the square 5 is 40 mm in size, is tightly attached along the outer ring of the PVC pipe 1 and is tightly tied by adopting a plurality of iron wires.
During construction, before the basement bottom plate 7 concrete placement and each layer of cantilever beam plates 6 concrete placement, constructional column steel bar dowel bars are firstly carried out, after the concrete placement is finished, normal wall column steel bars are upwards bound to the cantilever beam bottoms, then the cantilever beam bottoms are sleeved with the PVC pipes 1, holes are needed to be formed in the joint of the PVC pipes 1 and the beam templates, the hole sizes are the same as the diameters of the PVC pipes 1, and the pipe tops are flush with the beam bottom templates during installation of the PVC pipes 1. After the PVC pipe 1 is installed, the battens 5 are tightly arranged along the outer ring and are tightly fastened by a plurality of iron wires, if the basement layer height is higher, the buckling type steel pipes are adopted for reinforcing the bottom, middle and upper three parts of the constructional column, and the buckling type steel pipes are connected with the floor formwork support to form a whole. And (5) after the concrete pouring is completed and the external batten 5 of the constructional column is removed, yellow and black warning stickers are stuck to the external side of the PVC pipe 1.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (8)
1. The post-settlement casting belt back-jacking structure is characterized in that vertical constructional columns are arranged between a basement bottom plate (7) and cantilever beam plates (6) at two sides of the post-settlement casting belt of each floor slab and a basement top plate for back jacking, and the arrangement distance of the constructional columns along the beam span direction is larger than 4m; the constructional column comprises a PVC pipe (1), constructional column steel bars (2) and column foot steel bars (3), wherein the column foot steel bars (3) fix the outer bottom of the PVC pipe (1) on a basement bottom plate (7) and overhanging beam plates (6) of each floor slab, and the constructional column steel bars (2) are arranged in the PVC pipe (1) and are used for pouring concrete (4) to form an integral structure.
2. A post-settlement casting belt topping structure using a constructional column according to claim 1, wherein the constructional column further comprises a batten (5), and the outer ring of the PVC pipe (1) is reinforced by surrounding the batten (5).
3. A post-settlement belt topping structure employing a constructional column according to claim 1, wherein the constructional column is arranged at a pitch of 6 to 8m in the beam span direction.
4. A post-settlement casting belt topping structure using constructional columns according to claim 1, wherein the constructional columns are 300mm from the edge of the cantilever beam plate (6).
5. A post-sink-belt topping structure using constructional columns according to claim 1, wherein the PVC pipe (1) has a wall thickness of 5mm and a diameter of 300mm.
6. The post-settlement casting belt back-jacking structure adopting the constructional column according to claim 1, wherein the constructional column steel bars (2) are formed by binding 4 longitudinal steel bars (2 a) and stirrups (2 b) arranged at intervals, the longitudinal steel bars (2 a) are three-level steel with phi 14, the stirrups (2 b) are three-level steel with phi 10, and the arrangement interval is 200mm.
7. A post-settlement casting belt topping structure using constructional columns according to claim 1, wherein the column base steel bar (3) is made of 4 phi 20 tertiary steels, and the length is 200mm.
8. A post-sedimentation casting belt topping structure using constructional columns according to claim 2, wherein the battens (5) are 40 x 90mm in size, are tightly arranged along the outer ring of the PVC pipe (1), and are fastened by a plurality of iron wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925924.3U CN220353404U (en) | 2023-07-20 | 2023-07-20 | Post-sedimentation pouring belt back-roof structure adopting constructional column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925924.3U CN220353404U (en) | 2023-07-20 | 2023-07-20 | Post-sedimentation pouring belt back-roof structure adopting constructional column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353404U true CN220353404U (en) | 2024-01-16 |
Family
ID=89502809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321925924.3U Active CN220353404U (en) | 2023-07-20 | 2023-07-20 | Post-sedimentation pouring belt back-roof structure adopting constructional column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353404U (en) |
-
2023
- 2023-07-20 CN CN202321925924.3U patent/CN220353404U/en active Active
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