CN215956007U - Corrugated steel reinforced concrete jacking pipe - Google Patents
Corrugated steel reinforced concrete jacking pipe Download PDFInfo
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- CN215956007U CN215956007U CN202121658703.5U CN202121658703U CN215956007U CN 215956007 U CN215956007 U CN 215956007U CN 202121658703 U CN202121658703 U CN 202121658703U CN 215956007 U CN215956007 U CN 215956007U
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Abstract
The utility model relates to a corrugated steel rib concrete jacking pipe which comprises a concrete pipe, and an inner steel reinforcement cage and a corrugated steel rib which are embedded in the pipe wall of the concrete pipe, wherein the inner steel reinforcement cage and the corrugated steel rib are both tubular and are respectively and coaxially arranged with the concrete pipe. The utility model adopts the tubular corrugated steel rib form, has certain out-of-plane rigidity while having electromagnetic shielding effect, can obtain higher bending bearing capacity and out-of-plane rigidity by thinner thickness, can fully utilize material strength, can make the thickness of a steel plate thinner on the basis of ensuring the bending bearing capacity, effectively saves steel, reduces dead weight and saves cost.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a corrugated steel rib concrete jacking pipe.
Background
The power pipeline construction mostly adopts a jacking method, and the jacking method construction mostly adopts a reinforced concrete pipe. When a cable in the power pipeline is short-circuited, strong electromagnetic pulses can be generated, and when the pipeline is buried near a subway line, the electromagnetic pulses generated by the short circuit can influence a signal transceiver of the subway line, so that potential safety hazards are generated.
In order to solve the electromagnetic shielding problem of the concrete pipeline, an electromagnetic shielding pipe is provided, wherein a circle of thin steel plate is additionally arranged on the inner wall of a reinforced concrete pipe. However, the contribution of the steel plate to the bearing capacity of the pipe body is not considered in the stress analysis of the pipeline, and the steel plate is only used as an internal electromagnetic shielding structure requirement, so that the problem of steel waste is caused.
In order to solve the above problems, it is necessary to develop a pipe material with a simple combination and reasonable stress, which can save steel consumption, obtain the same or higher bearing capacity, and improve the installation efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides the corrugated steel reinforced concrete jacking pipe which not only can provide an electromagnetic shielding function, but also has better bearing capacity and can improve the installation efficiency.
The technical scheme for solving the technical problems is as follows:
the utility model provides a ripple reinforcing bar concrete push pipe, includes the concrete pipe and inlays interior steel reinforcement cage and the ripple reinforcing bar of setting in the concrete pipe wall, interior steel reinforcement cage and ripple reinforcing bar all are the tubulose, and respectively with the coaxial setting of concrete pipe.
Preferably, the inner reinforcement cage and the corrugated steel ribs are coaxially nested in the pipe wall of the concrete pipe from inside to outside.
Preferably, interior steel reinforcement cage includes a plurality of annular steel bars and a plurality of interior longitudinal reinforcement, and a plurality of annular steel bars are coaxial to be set up, and a plurality of interior longitudinal reinforcement evenly arrange in annular steel bar's circumference, and parallel annular steel bar's axial setting, and every interior longitudinal reinforcement all with annular steel bar welded fastening.
Preferably, the corrugated steel skeleton includes corrugated steel pipe and a plurality of outer longitudinal steel bar, and is a plurality of outer longitudinal steel bar is evenly welded in corrugated steel pipe's circumference, just the axial of outer longitudinal steel bar is parallel to corrugated steel pipe's axial setting.
Preferably, the corrugated steel pipe comprises a corrugated steel plate, and a group of opposite sides of the corrugated steel plate are fixedly connected to form the corrugated steel plate into a pipe shape; the corrugated steel plate is provided with corrugated grooves which are uniformly distributed, the corrugated grooves are connected end to form a plurality of annular grooves, and all the annular grooves are coaxially arranged.
Preferably, a group of opposite sides connected with each other on the corrugated steel plate are fixedly connected by welding or bolt connection.
Preferably, the section of the corrugated groove parallel to the axial direction of the corrugated steel pipe is rectangular corrugation.
Preferably, the section of the corrugated groove parallel to the axial direction of the corrugated steel pipe is sinusoidal corrugation.
The utility model has the beneficial effects that:
(1) the tubular corrugated steel rib form is adopted, so that the corrugated steel rib has certain out-of-plane rigidity, can obtain higher bending bearing capacity and out-of-plane rigidity by thinner thickness, and has an electromagnetic shielding effect.
(2) The corrugated steel ribs are directly welded with the longitudinal steel bars on the outer sides of the corrugated steel ribs, and construction is convenient.
(3) The corrugated steel rib has higher out-of-plane rigidity and bending strength compared with a round steel pipe, can make full use of material strength, can make the thickness of a steel plate thinner on the basis of ensuring the bending-resistant bearing capacity, effectively saves steel, reduces the dead weight and saves the cost.
(4) The corrugated steel ribs do not need to be supported by a lateral die, and the pouring process is simplified.
(5) The adopted corrugated steel rib has wide geometric dimension adjusting range and small use limitation; in practical engineering application, the shape and the geometric dimension of the corrugated steel rib can be adjusted according to the stress condition of the component.
Drawings
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic illustration of the reinforcement cage assembly of the present invention;
FIG. 4 is a schematic view of the disassembled corrugated steel ribs (rectangular corrugations) according to the present invention;
FIG. 5 is a schematic view of the disassembled corrugated steel ribs (sine waves) according to the present invention;
FIG. 6 is a schematic view of a side bolt connection structure of a corrugated steel pipe according to the present invention;
FIG. 7 is a schematic view of a side welding structure of the corrugated steel pipe of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the steel reinforcement cage comprises an inner steel reinforcement cage, 101 annular steel bars, 102 inner longitudinal steel bars, 2 corrugated steel ribs, 201 corrugated steel pipes, 2011 corrugated grooves, 202 outer longitudinal steel bars, 3 concrete pipes, 4 bolts, 5 nuts, 6 and fastening gaskets.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
The concrete top pipe shown in fig. 1 is a partially cut-away view, which shows the internal structure of the concrete top pipe of the present invention. The corrugated steel rib concrete jacking pipe provided by the embodiment comprises a concrete pipe 3, and an inner steel reinforcement cage 1 and a corrugated steel rib 2 which are sleeved in the pipe wall of the concrete pipe 3, wherein the inner steel reinforcement cage 1 and the corrugated steel rib 2 are both tubular and are respectively arranged coaxially with the concrete pipe 3.
As shown in fig. 2, which is an enlarged view of a portion a in fig. 1, in this embodiment, the inner reinforcement cage 1 and the corrugated steel rib 2 are coaxially nested, and then a concrete layer is poured to cover the inner reinforcement cage and the corrugated steel rib, so as to form the concrete ceiling coil. In the concrete jacking pipe, the inner steel reinforcement cage 1 bears most of rigid load, the corrugated steel ribs 2 have certain out-of-plane rigidity, can obtain higher bending bearing capacity and out-of-plane rigidity by thinner thickness, has an electromagnetic shielding effect and solves the problems in the prior art.
In this embodiment, the inner reinforcement cage 1 and the corrugated steel rib 2 are coaxially nested and arranged in the pipe wall of the concrete pipe 3 from inside to outside. The inner reinforcement cage 1 is arranged on the inner layer and used as the most important rigid supporting piece of the whole pipeline to bear the maximum extrusion force in the jacking pipe, and supports the concrete jacking pipe without deformation. The corrugated steel ribs 2 are used as a supplement measure of rigid support to provide certain rigid support for the concrete jacking pipe, and are used as electromagnetic shielding devices to shield electromagnetic signals inside and outside the pipe and prevent electromagnetic interference inside and outside the pipe.
In this embodiment, as shown in fig. 3, structural disassembly is performed on an inner reinforcement cage 1, the inner reinforcement cage 1 includes a plurality of annular reinforcements 101 and a plurality of inner longitudinal reinforcements 102, the plurality of annular reinforcements 101 are coaxially arranged, the plurality of inner longitudinal reinforcements 102 are uniformly arranged in the circumferential direction of the annular reinforcements 101 and are axially arranged in parallel to the annular reinforcements 101, and each inner longitudinal reinforcement 102 is welded and fixed to the annular reinforcements 101. Annular reinforcing bar 101 provides radial support for the pipeline, and interior longitudinal reinforcement 102 provides axial support for the pipeline to interior longitudinal reinforcement 102 carries out fixed connection with a plurality of annular reinforcing bars 101, guarantees that the clearance between the annular reinforcing bar 101 is even, makes the effort that 1 homodisperse pipeline of steel reinforcement cage received in, makes the pipeline atress balanced, improves its life.
In this embodiment, as shown in fig. 4 or fig. 5, the structure of the corrugated steel skeleton 2 is disassembled, the corrugated steel skeleton 2 includes a corrugated steel pipe 201 and a plurality of outer longitudinal steel bars 202, the plurality of outer longitudinal steel bars 202 are uniformly welded to the periphery of the corrugated steel pipe 201, and the axial direction of the outer longitudinal steel bars 202 is parallel to the axial direction of the corrugated steel pipe 201. Outer longitudinal reinforcement 202 evenly distributed has strengthened corrugated steel pipe 201's support intensity at corrugated steel pipe 201's periphery, further provides axial support for the pipeline on the basis of interior steel reinforcement cage 1 simultaneously. Compared with a smooth round steel pipe with the same material thickness, the corrugated steel pipe 201 has the same electromagnetic signal shielding effect, and the corrugated steel pipe 201 has better deformation resistance and supporting rigidity. On the premise of obtaining the same supporting strength, the corrugated steel pipe 201 can be thinner, so that the raw material cost is saved.
In this embodiment, as shown in fig. 6 and 7, the corrugated steel pipe 201 includes a corrugated steel plate, and a set of opposite sides of the corrugated steel plate are fixedly connected to form the corrugated steel plate into a tubular shape; the corrugated steel plate is provided with corrugated grooves 2011 which are uniformly distributed, the corrugated grooves 2011 are connected end to form a plurality of annular grooves, and all the annular grooves are coaxially arranged.
The corrugated steel plate is bent and rolled to form a pipe shape, and two edges of the side surface of the pipe are fixedly connected, so that the corrugated steel plate forms a corrugated steel pipe 201 with a plurality of continuous annular grooves, and the processing technology is simple. In practical engineering application, the shape and the geometric dimension of the corrugated steel rib 2 can be adjusted according to the stress condition of the component, the adjustment range of the geometric dimension of the corrugated steel pipe 201 is wide, and the use limitation is small. By using the corrugated steel pipe 201, a lateral mold support does not need to be manufactured, and the pouring process is simplified.
In this embodiment, as shown in fig. 6 and 7, a pair of opposite sides connected to each other on the corrugated steel plate are fixedly connected by welding or bolting. After the corrugated steel plate is cut to a target size and bent and rolled into a tubular shape, as shown in fig. 7, two side edges can be directly welded in place, or as shown in fig. 6, mounting holes are drilled in the two side edges, the mounting holes of the two side edges are overlapped and aligned, and then the mounting holes are locked through bolts 4, fastening gaskets 6 and nuts 5, so that the corrugated steel plate forms a firm corrugated steel pipe 201.
In this embodiment, as shown in fig. 4 and 5, two possible types of corrugation grooves are shown, and the axial section of the corrugation groove 2011 parallel to the corrugated steel pipe 201 is rectangular corrugation or sinusoidal corrugation. Experiments show that the annular corrugated groove 2011 on the corrugated pipe uses uniformly arranged rectangular corrugations or sine corrugations, so that the expected rigid support and electromagnetic shielding effect can be achieved.
The working principle is as follows:
in the 2 concrete push pipes of ripple reinforcing bar that this embodiment provided, set gradually coaxial intussusception interior steel reinforcement cage 1 and ripple reinforcing bar 2 from inside to outside in 3 walls of concrete pipe, interior steel reinforcement cage 1 bears the radial stress of the great majority in intraductal, for the push pipe provides main rigid support, ripple reinforcing bar 2 provides supplementary rigid support, provides electromagnetic shield function simultaneously. The corrugated steel pipe 201 in the corrugated steel rib 2 is provided with annular corrugated grooves 2011 which are uniformly distributed, the corrugated grooves 2011 are rectangular corrugated grooves 2011 or sine wave corrugated grooves 2011, and the corrugated steel pipe can provide a more rigid supporting effect by using a thinner material thickness, so that the material cost is saved. The corrugated steel pipe 201 is formed by bending and rolling the corrugated steel plate, the radial size and the axial size of the corrugated steel pipe 201 can be flexibly set, and the manufacturing process of the multi-size pipe jacking component is simplified.
Compared with the traditional concrete jacking pipe, the utility model mainly has the following advantages:
(1) the tubular corrugated steel rib 2 is adopted, so that the corrugated steel rib has certain out-of-plane rigidity, can obtain higher bending bearing capacity and out-of-plane rigidity by thinner thickness, and has an electromagnetic shielding effect.
(2) The corrugated steel ribs 2 are directly welded with the longitudinal steel bars on the outer sides of the corrugated steel ribs, and construction is convenient.
(3) Corrugated steel rib 2 has higher off-plane rigidity and bending strength than the circular steel tube, can make full use of material intensity, can accomplish on the basis of guaranteeing bending resistance bearing capacity to be thinner with steel sheet thickness, effectively saves steel and alleviates the dead weight, practices thrift the cost.
(4) The corrugated steel ribs 2 do not need to be supported by a lateral die, and the pouring process is simplified.
(5) The adopted corrugated steel rib 2 has wide geometric dimension adjusting range and small use limitation; in practical engineering application, the shape and the geometric dimension of the corrugated steel rib 2 can be adjusted according to the stress condition of the component.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a ripple reinforcing bar concrete push pipe, its characterized in that includes concrete pipe (3) and inlays interior steel reinforcement cage (1) and ripple reinforcing bar (2) of setting in concrete pipe (3) pipe wall, interior steel reinforcement cage (1) and ripple reinforcing bar (2) all are the tubulose, and respectively with concrete pipe (3) coaxial setting.
2. The corrugated steel reinforced concrete pipe jacking according to claim 1, wherein the inner reinforcement cage (1) and the corrugated steel ribs (2) are coaxially and telescopically arranged in the pipe wall of the concrete pipe (3) from inside to outside.
3. The corrugated steel reinforced concrete pipe jacking according to claim 1, wherein the inner reinforcement cage (1) comprises a plurality of annular reinforcements (101) and a plurality of inner longitudinal reinforcements (102), the plurality of annular reinforcements (101) are coaxially arranged, the plurality of inner longitudinal reinforcements (102) are uniformly arranged in the circumferential direction of the annular reinforcements (101) and are parallel to the axial direction of the annular reinforcements (101), and each inner longitudinal reinforcement (102) is welded and fixed with the annular reinforcement (101).
4. The corrugated steel reinforced concrete pipe jacking according to claim 1, wherein the corrugated steel reinforced (2) comprises a corrugated steel pipe (201) and a plurality of outer longitudinal steel bars (202), the plurality of outer longitudinal steel bars (202) are uniformly welded in the circumferential direction of the corrugated steel pipe (201), and the axial direction of the outer longitudinal steel bars (202) is parallel to the axial direction of the corrugated steel pipe (201).
5. The corrugated steel reinforced concrete ceiling coil as recited in claim 4, wherein the corrugated steel pipe (201) comprises a corrugated steel plate, and a set of opposite sides of the corrugated steel plate are fixedly connected to form the corrugated steel plate into a tubular shape; the corrugated steel plate is provided with corrugated grooves (2011) which are uniformly distributed, the corrugated grooves (2011) are connected end to form a plurality of annular grooves, and all the annular grooves are coaxially arranged.
6. The corrugated steel reinforced concrete ceiling coil as recited in claim 5, wherein a set of opposite edges connected to each other on the corrugated steel plate are fixedly connected by welding or bolting.
7. The corrugated steel reinforced concrete push pipe as claimed in claim 5, wherein the axial section of the corrugated groove (2011) parallel corrugated steel pipe (201) is rectangular corrugation.
8. The corrugated steel reinforced concrete push pipe as claimed in claim 5, wherein the axial section of the corrugated groove (2011) parallel corrugated steel pipe (201) is sinusoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658703.5U CN215956007U (en) | 2021-07-20 | 2021-07-20 | Corrugated steel reinforced concrete jacking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121658703.5U CN215956007U (en) | 2021-07-20 | 2021-07-20 | Corrugated steel reinforced concrete jacking pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215956007U true CN215956007U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121658703.5U Active CN215956007U (en) | 2021-07-20 | 2021-07-20 | Corrugated steel reinforced concrete jacking pipe |
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| Country | Link |
|---|---|
| CN (1) | CN215956007U (en) |
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2021
- 2021-07-20 CN CN202121658703.5U patent/CN215956007U/en active Active
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