CN212452686U - Assembled concrete pipe bearing structure - Google Patents
Assembled concrete pipe bearing structure Download PDFInfo
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- CN212452686U CN212452686U CN202021947825.1U CN202021947825U CN212452686U CN 212452686 U CN212452686 U CN 212452686U CN 202021947825 U CN202021947825 U CN 202021947825U CN 212452686 U CN212452686 U CN 212452686U
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- crown beam
- concrete pipe
- pipe
- steel pipe
- flange
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- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
An assembled concrete pipe supporting structure comprises a crown beam, a connecting piece and a concrete pipe which are respectively and transversely connected together through a plurality of bolts; because the concrete pipe is produced by automatic and batch prefabrication and then is transported to a construction site to be assembled and connected with the crown beam, the production cost is reduced, the construction site construction period is effectively reduced, and the problems that the traditional cast-in-place supporting process is more, the maintenance time is long, and the site construction progress and quality are influenced are solved; meanwhile, the concrete pipe support is manufactured in an industrialized mode, and is assembled and disassembled on a construction site by a crane, so that no noise, no dust, no wastewater and industrial building garbage are generated in the disassembling and assembling process, and the concrete pipe support is more environment-friendly, and the problems of noise, dust, wastewater and industrial building garbage generated in the disassembling process and after the disassembling of the cast-in-place support are solved; and can be repeatedly used for many times, thereby saving resources and solving the problems that the first layer of support can not be repeatedly used and the cost is high.
Description
Technical Field
The utility model relates to a building field especially indicates excavation supporting's first floor bearing structure.
Background
The traditional cast-in-place support (namely the support cast on site) of the foundation pit is a reinforced concrete support, and the construction process comprises earthwork excavation, cushion layer casting, reinforcing steel bar processing, reinforcing steel bar binding, side template installation, template reinforcement, concrete casting, concrete curing and template removal; the construction engineering involves many construction procedures, types and machines, has long working hours, and is easy to cause secondary damage of the cast-in-place support in the process of removing the template. In order to reach the construction period, excavation of the following earthwork is often started when the cast-in-place support does not completely reach the designed strength of concrete, so that support downwarping or internal damage is easily caused, and the support is reduced or the due support effect is lost.
Moreover, when the traditional cast-in-place support is removed and cleaned after being used, a scaffold needs to be erected below the cast-in-place support, the cast-in-place reinforced concrete is cut into a plurality of sections by using a rope saw, and finally the cast-in-place support cut into the sections is hoisted out of the foundation pit by using a large-tonnage crane and is transported to a waste material yard for crushing treatment.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a more reasonable, the cost is lower of structure, also more energy-concerving and environment-protective assembled concrete pipe bearing structure.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an assembled concrete pipe support structure, includes crown beam, connecting piece and concrete pipe through a plurality of bolt transverse connection together respectively, wherein:
the connecting piece comprises a steel pipe, upper and lower connecting flange plates connected to the crown beam at one end of the steel pipe, and a flange group connected to the other end of the steel pipe; the flange group comprises an inner end flange connected with the steel pipe, an outer end flange connected with the concrete pipe and a separation pipe connecting the inner end flange and the outer end flange; the upper and lower connecting flange plates of the crown beam are square plates, and are respectively provided with an inner arc surface matched with the outer wall of the steel pipe, and the arc depth of the inner arc surface is smaller than the outer diameter of the steel pipe; when the upper and lower connecting flange plates of the crown beam fall on the outer wall of the steel pipe through respective inner cambered surfaces and are welded together, a jack through hole is reserved between the upper and lower connecting flange plates of the crown beam; the steel pipe is provided with a jack supporting plate which is axially arranged on the pipe wall opposite to the jack through hole; a plurality of bolt holes are formed in the upper and lower connecting flange plates of the crown beam, and the inner and outer end flanges;
the end part of the crown beam is provided with a crown beam connecting plate which is connected with the upper and lower connecting flange plates of the crown beam together through bolts;
concrete pipe flange plates are respectively arranged at two ends of the concrete pipe and connected with the outer end flange through bolts.
In the improved scheme of the assembly type concrete pipe supporting structure, the upper and lower connecting flange plates and the inner end flange of the crown beam are fixedly connected with the steel pipe in a welding mode respectively and are reinforced and welded through a plurality of reinforcing ribs respectively; the inner end flange and the outer end flange are fixedly connected with the separation pipe in a welding mode.
Compared with the prior art, the beneficial effects of the utility model are that: 1) because the concrete pipes are produced by adopting automatic and batch prefabrication and then are transported to a construction site to be assembled and connected with the crown beam, the production cost is reduced, the construction site construction period is effectively reduced, and the problems that the traditional cast-in-place supporting process is more, the maintenance time is long, and the site construction progress and quality are influenced are solved; 2) the concrete pipe support is manufactured in an industrialized mode, and is assembled and disassembled on a construction site by a crane, so that no noise, no dust, no wastewater and industrial building garbage are generated in the disassembling and assembling process, and the concrete pipe support is more environment-friendly, and the problems of noise, dust, wastewater and industrial building garbage generated in the disassembling process and after the disassembling of the cast-in-place support are solved; and can be repeatedly used for many times, thereby saving resources and solving the problems that the first layer of support can not be repeatedly used and the cost is high.
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is a first schematic view of the butt joint of the connecting member and the concrete pipe of the embodiment;
fig. 3 is a second schematic view of the butt joint of the connecting member and the concrete pipe of the present embodiment;
fig. 4 is a perspective view of the connector of the present embodiment.
[ detailed description ] embodiments
The utility model relates to an assembled concrete pipe bearing structure, as shown in fig. 1 to 4, including crown beam 2, connecting piece 3 and concrete pipe 4 through a plurality of bolt 1 transverse connection respectively together, wherein:
the connecting piece 3 comprises a steel pipe 31, upper and lower connecting flange plates 32 and 33 connected to the crown beam at one end of the steel pipe 31, and a flange group 34 connected to the other end of the steel pipe 31; the flange group 34 includes an inner end flange 341 connected with the steel pipe 31, an outer end flange 342 connected with the concrete pipe 4, and a separation pipe 343 connecting the inner and outer end flanges 341, 342; the upper and lower connecting flange plates 32, 33 of the crown beam are square plates, and are respectively provided with an inner arc surface 321, 331 which is matched with the outer wall of the steel pipe 31, and the arc depth of the inner arc surface is far smaller than the outer diameter of the steel pipe 31 (usually, the arc depth is 1/6 to 1/3 which is smaller than the diameter of the outer wall of the steel pipe), so that when the upper and lower connecting flange plates 32, 33 of the crown beam fall on the outer wall of the steel pipe 1 through the respective inner arc surfaces 321, 331 and are welded together, enough space for passing through a jack 344 is reserved between the upper and lower connecting flange plates 32, 33 of the crown beam, in the embodiment, the outer diameter of the steel pipe is 400mm, and the length 600 mm, the width 190mm and the arc depth of the upper and lower connecting flange plates 32, 33 of the crown beam are 95 mm; the steel pipe 31 is provided with a jack support plate 345 which is axially arranged on the pipe wall opposite to the jack through hole 344; a plurality of bolt holes are formed in the upper and lower connecting flange plates 32 and 33, and the inner and outer end flanges 341 and 342 of the crown beam;
the end part of the crown beam 2 is provided with a crown beam connecting plate 21 (before the crown beam is poured, the crown beam connecting plate 21 is connected with the reinforcing steel bars of the crown beam and the like), and the crown beam connecting plate is connected with the upper and lower connecting flange plates 32 and 33 of the crown beam through bolts, so that the corresponding position of the crown beam connecting plate 21 is provided with a bolt hole;
the concrete pipe 4 is provided with concrete pipe flange plates 41 at both ends thereof, and is connected with the outer end flange 342 by bolts 1.
When foundation pit supporting is to be carried out on the construction site, the concrete pipe 4 is transported to the site, and then the crown beam 2, the connecting piece 3 and the concrete pipe 4 are sequentially connected together by the bolt 1, so that the foundation pit support can be manufactured. When the foundation pit support is used, all the bolts 1 are detached, a jack is placed on a jack support plate 345 of the connecting piece 3, the jack (one end of which is propped against the surface of the inner end flange 341 of the connecting piece 3, and the other end of which is propped against the surface of the crown beam connecting plate of the crown beam after penetrating through the jack through hole 344) is operated to jack the concrete pipe 4 open, and then the concrete pipe can be hoisted and transported to other places for continuous use.
It can be seen from the above that, after the concrete pipe 4 is cast and molded in different places, the concrete pipe is transported to the site of the foundation pit support to be assembled and connected with the connecting piece 3 and the crown beam 2 by the bolt 1, and the connecting structure of the assembled foundation pit support has the following advantages:
1. because concrete pipe supports and adopts high strength grade (C80 and above) prefabricated to form, so not only compressive property is stronger, can realize automatic, batch prefabrication moreover, so the quality of structure is more controllable, and manufacturing cost can further reduce.
2. The situations that the excavation time of earthwork is delayed and the construction period is prolonged due to the fact that the strength of the concrete pipe does not meet the requirement in the cast-in-place supporting process are avoided, high-pressure kettle steam curing is matched after the concrete pipe is produced and molded, the supporting strength grade is increased faster, the construction period of a construction site is effectively reduced, and the problems that the traditional cast-in-place supporting process is multiple, the curing time is long, and the site construction progress and quality are influenced are solved;
3. because the concrete pipe support is manufactured in an industrialized mode, and is assembled and disassembled on a construction site by a crane, no noise, no dust, no wastewater and industrial building garbage are generated in the assembling and disassembling process, and the concrete pipe support is more environment-friendly, so that the problems of noise, dust, wastewater and industrial building garbage generated in the disassembling process and after the disassembling of the cast-in-place support are solved;
4. because the concrete pipe supports are installed in an assembly mode, the structure of the concrete pipe supports does not need to be damaged in the dismounting process, the concrete pipe supports can be repeatedly used for many times, resources are saved, and the problems that the first-layer supports cannot be repeatedly used and the manufacturing cost is high are solved.
In the embodiment, the upper and lower connecting flange plates 32, 33 and the inner end flange 341 of the crown beam are respectively welded and fixedly connected with the steel pipe 31, and are respectively reinforced and welded by a plurality of reinforcing ribs 5; similarly, the inner and outer end flanges 341, 342 are fixedly welded to the separating tube 343, and are reinforced and welded by a plurality of reinforcing ribs 5, respectively.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the present disclosure, but rather to limit the scope thereof by the appended claims.
Claims (2)
1. An assembled concrete pipe support structure, comprising a crown beam (2), a connecting member (3) and a concrete pipe (4) which are respectively connected together by a plurality of bolts (1), wherein:
the connecting piece (3) comprises a steel pipe (31), upper and lower connecting flange plates (32, 33) connected to the crown beam at one end of the steel pipe (31), and a flange group (34) connected to the other end of the steel pipe (31); the flange group (34) comprises an inner end flange (341) connected with the steel pipe (31), an outer end flange (342) connected with the concrete pipe (4), and a separation pipe (343) connecting the inner end flange (341) and the outer end flange (342); the upper and lower connecting flange plates (32, 33) of the crown beam are square plates, and are respectively provided with an inner arc surface (321, 331) matched with the outer wall of the steel pipe (31), and the arc depth of the inner arc surface is far smaller than the outer diameter of the steel pipe (31); when the upper and lower connecting flange plates (32, 33) of the crown beam fall on the outer wall of the steel pipe (31) through respective inner arc surfaces and are welded together, a jack through hole (344) is reserved between the upper and lower connecting flange plates (32, 33) of the crown beam; the steel pipe (31) is provided with a jack supporting plate (345) which is axially arranged on the pipe wall opposite to the jack through hole (344); a plurality of bolt holes are formed in the upper and lower connecting flange plates (32, 33) of the crown beam, and the inner and outer end flanges (341, 342);
the end part of the crown beam (2) is provided with a crown beam connecting plate (21) which is connected with the upper and lower connecting flange plates (32, 33) of the crown beam together through bolts;
concrete pipe flange plates (41) are respectively arranged at two ends of the concrete pipe (4) and are connected with the outer end flange (342) through bolts (1).
2. The fabricated concrete pipe supporting structure according to claim 1, wherein the upper and lower connecting flange plates (32, 33) and the inner end flange (341) of the crown beam are fixedly welded to the steel pipe (31), respectively, and are reinforced and welded by a plurality of reinforcing ribs (5), respectively; the inner end flange (341) and the outer end flange (342) are fixedly connected with the separating pipe (343) in a welding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947825.1U CN212452686U (en) | 2020-09-08 | 2020-09-08 | Assembled concrete pipe bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947825.1U CN212452686U (en) | 2020-09-08 | 2020-09-08 | Assembled concrete pipe bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212452686U true CN212452686U (en) | 2021-02-02 |
Family
ID=74473874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021947825.1U Active CN212452686U (en) | 2020-09-08 | 2020-09-08 | Assembled concrete pipe bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212452686U (en) |
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2020
- 2020-09-08 CN CN202021947825.1U patent/CN212452686U/en active Active
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Address after: No.1 Fu'an Road, Xiaolan Town, Zhongshan City, Guangdong Province 528400 Patentee after: Tanghe New Materials Technology Co.,Ltd. Country or region after: China Address before: No.1 Fu'an Road, Xiaolan Town, Zhongshan City, Guangdong Province 528400 Patentee before: Tanghe New Material Technology Co.,Ltd. Country or region before: China |