CN215759163U - Reduce prefabricated component of piping lane expansion joint differential settlement - Google Patents
Reduce prefabricated component of piping lane expansion joint differential settlement Download PDFInfo
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- CN215759163U CN215759163U CN202121634237.7U CN202121634237U CN215759163U CN 215759163 U CN215759163 U CN 215759163U CN 202121634237 U CN202121634237 U CN 202121634237U CN 215759163 U CN215759163 U CN 215759163U
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Abstract
The utility model discloses a prefabricated part for reducing uneven settlement of a pipe gallery expansion joint, which comprises bottom plates on two sides of the expansion joint, wherein an extruded polystyrene board is filled in the expansion joint, an externally-attached water stop is arranged at the bottom end of the expansion joint, and a waterproof reinforcing layer is arranged on the outer side of the externally-attached water stop; a V-shaped water stop with an opening facing is embedded in the middle of the expansion joint; the bottom plate is provided with a prefabricated sleeper beam for supporting the bottom plate at the bottom end of the expansion joint; the prefabricated sleeper beam is formed by pouring concrete, top-layer longitudinal ribs are transversely arranged at equal intervals on the top of the prefabricated sleeper beam, bottom-layer longitudinal ribs are transversely arranged at equal intervals on the bottom of the prefabricated sleeper beam, erection ribs are vertically arranged at equal intervals on two sides of the prefabricated sleeper beam, and tie bars are connected between the erection ribs on the same layer; the top layer longitudinal ribs and the bottom layer longitudinal ribs are fixed through stirrups. The utility model aims to provide a prefabricated part which can balance the bearing capacity difference of foundations at two sides of an expansion joint and avoid uneven settlement caused by dislocation of the expansion joint of a pipe gallery.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a prefabricated part for reducing uneven settlement of a pipe gallery expansion joint.
Background
In the period of rapid development of cities and towns, the construction of urban underground comprehensive pipe galleries can comprehensively plan, construct and manage various municipal pipelines, and solve the problems of repeated excavation of pavements, dense overhead wire nets, frequent pipeline accidents and the like. The cast-in-place reinforced concrete comprehensive pipe gallery has the characteristics that the distance between the expansion joints is not more than 30m according to the regulations of the engineering technical specifications of urban comprehensive pipe galleries. Due to factors such as foundation bearing capacity difference, structural form difference and upper load difference on two sides of the expansion joint, structures on two sides of the expansion joint are unevenly settled, the expansion joint is vertically staggered and is torn after exceeding the allowable deformation range of the water stop, and water seepage of a pipe gallery is caused. Therefore, the prefabricated part which can balance the bearing capacity difference of the foundations at the two sides of the expansion joint and avoid uneven settlement caused by dislocation of the expansion joint of the pipe gallery is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a prefabricated part which can balance the bearing capacity difference of the foundations at two sides of an expansion joint and avoid uneven settlement caused by dislocation of the expansion joint of a pipe gallery.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a prefabricated component for reducing uneven settlement of a pipe gallery expansion joint comprises bottom plates on two sides of the expansion joint, extruded polystyrene boards are filled in the expansion joint, an externally-attached water stop belt is arranged at the bottom end of the expansion joint, a waterproof reinforcing layer is arranged on the outer side of the externally-attached water stop belt, and an external waterproof layer is arranged on the bottom plate outside the waterproof reinforcing layer; a V-shaped water stop with an opening facing is embedded in the middle of the expansion joint; the bottom plate is provided with a prefabricated sleeper beam for supporting the bottom plate at the bottom end of the expansion joint; the prefabricated sleeper beam is formed by pouring concrete, top-layer longitudinal ribs are transversely arranged at equal intervals on the top of the prefabricated sleeper beam, bottom-layer longitudinal ribs are transversely arranged at equal intervals on the bottom of the prefabricated sleeper beam, erection ribs are vertically arranged at equal intervals on two sides of the prefabricated sleeper beam, and tie bars are connected between the erection ribs on the same layer; the top layer longitudinal ribs and the bottom layer longitudinal ribs are fixed through stirrups.
Furthermore, hoisting holes are symmetrically formed in the top of the prefabricated sleeper beam, hoisting rings embedded into the prefabricated sleeper beam are arranged in the hoisting holes, and hoisting ring frame studs are arranged on the parts, embedded into the prefabricated sleeper beam, of the hoisting rings.
Furthermore, caulking paste is filled at the top of the expansion joint.
Compared with the prior art, the utility model has the following beneficial effects:
the prefabricated sleeper beam can balance the bearing capacity difference of the bottom plates at two sides of the expansion joint, and the bottom plates at two sides of the expansion joint are kept at the same height, so that the bottom plates at two sides can be uniformly settled. Because the bottom plate can be in same height, so can effectively reduce the waterstop of expansion joint department and warp and the pipe gallery infiltration that arouses, prolong the life of waterstop. The whole prefabricated sleeper beam is simple in structure, simple and convenient to construct and low in manufacturing cost.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of a precast bolster of the present invention;
fig. 3 is a schematic sectional view of the lifting hole of the present invention.
Reference numerals:
1-top longitudinal bar, 2-bottom longitudinal bar, 3-stirrup, 4-tie bar, 5-erection bar, 6-prefabricated sleeper beam, 7-hanging ring, 8-external waterproof layer, 9-waterproof reinforced layer, 10-external water stop, 11-expansion joint, 12-V-shaped water stop, 13-caulking paste, 14-bottom plate, 15-hoisting hole, 16-hanging ring erection bar, 17-hole filling concrete and 18-extruded polystyrene board.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, a prefabricated component for reducing uneven settlement of an expansion joint of a pipe gallery comprises bottom plates 14 on two sides of the expansion joint 11, an extruded polystyrene board 18 is filled in the expansion joint 11, an externally-attached water stop 10 is arranged at the bottom end of the expansion joint 11, a waterproof reinforcing layer 9 is arranged outside the externally-attached water stop 10, and an external waterproof layer 8 is arranged on the bottom plate 14 outside the waterproof reinforcing layer 9; a V-shaped water stop belt 12 with an opening facing is embedded in the middle of the expansion joint 11, and caulking paste 13 is filled at the top of the expansion joint 11; the bottom plate 14 is provided with a prefabricated sleeper beam 6 for supporting the bottom plate 14 at the bottom end of the expansion joint 11; the prefabricated sleeper beam 6 is formed by pouring concrete, top-layer longitudinal ribs 1 are transversely arranged at equal intervals on the top of the prefabricated sleeper beam 6, bottom-layer longitudinal ribs 2 are transversely arranged at equal intervals on the bottom of the prefabricated sleeper beam 6, erection ribs 5 are vertically arranged at equal intervals on two sides of the prefabricated sleeper beam 6, and tie bars 4 are connected between the erection ribs 5 on the same layer; the top layer longitudinal ribs 1 and the bottom layer longitudinal ribs 2 are fixed through stirrups 3.
As shown in fig. 3, hoisting holes 15 are symmetrically formed in the top of the precast sleeper beam 6, hoisting rings 7 embedded in the precast sleeper beam 6 are arranged in the hoisting holes 15, and hoisting ring frame studs 16 are arranged at the parts of the hoisting rings 7 embedded in the precast sleeper beam 6. The hoisting holes 15 are used for hoisting and transporting the prefabricated sleeper beams 6, and the prefabricated sleeper beams 6 are hoisted by the equipment for hoisting the prefabricated sleeper beams 6 through the hoisting rings 7. And after the lifting ring reaches the construction position, fine stone micro-expansion hole filling concrete 17 is adopted for filling and sealing in the lifting ring hole.
The construction steps of the utility model are as follows:
binding steel bars: and (4) binding the top longitudinal bar 1, the bottom longitudinal bar 2, the stirrup 3, the tie bar 4, the erection bar 5, the hanging ring 7 and the hanging bar erection bar 16 by steel bars.
Casting and maintaining the prefabricated sleeper beam: and after the steel bars are bound, pouring and maintaining the concrete of the precast sleeper beam 6 to the designed strength in a precast yard.
Excavating a foundation trench: and excavating the pipe gallery foundation pit to the designed elevation of the pit bottom, excavating a groove for placing the prefabricated sleeper beam 6 at the bottom position of the expansion joint 11, and excavating to the designed elevation of the pit bottom.
Hoisting the prefabricated sleeper beam: transporting the prefabricated sleeper beam 6 to the site, hoisting and placing the prefabricated sleeper beam at a designed and appointed position, and filling and sealing fine stone micro-expansion hole-filling concrete 17 in the hoisting hole 15;
fifthly, applying the bottom plate of the pipe gallery: and (3) constructing a waterproof layer 8, a waterproof reinforcing layer 9 and a bottom plate 14 outside the pipe gallery, arranging the expansion joint 11 at the middle part on the upper part of the prefabricated sleeper beam 6, burying a V-shaped water stop 12 in the middle part of the expansion joint 11, and performing joint filling treatment by adopting an extruded polystyrene board 18.
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 (3)
1. A prefabricated component for reducing uneven settlement of a pipe gallery expansion joint comprises bottom plates (14) on two sides of the expansion joint (11), an extruded polystyrene board (18) is filled in the expansion joint (11), an externally-attached water stop (10) is arranged at the bottom end of the expansion joint (11), a waterproof reinforcing layer (9) is arranged on the outer side of the externally-attached water stop (10), and an external waterproof layer (8) is arranged on the bottom plate (14) outside the waterproof reinforcing layer (9); the method is characterized in that: a V-shaped water stop (12) with an opening facing is embedded in the middle of the expansion joint (11); the bottom of the bottom plate (14) at the expansion joint (11) is provided with a prefabricated sleeper beam (6) for supporting the bottom plate (14); the prefabricated sleeper beam (6) is formed by pouring concrete, top-layer longitudinal ribs (1) are transversely arranged at equal intervals on the top of the prefabricated sleeper beam (6), bottom-layer longitudinal ribs (2) are transversely arranged at equal intervals on the bottom of the prefabricated sleeper beam (6), erection ribs (5) are vertically arranged at equal intervals on two sides of the prefabricated sleeper beam (6), and tie bars (4) are connected between the erection ribs (5) on the same layer; the top layer longitudinal ribs (1) and the bottom layer longitudinal ribs (2) are fixed through stirrups (3).
2. The prefabricated component for reducing uneven settlement of the expansion joint of the pipe gallery according to claim 1, wherein: hoisting holes (15) are symmetrically formed in the top of the prefabricated sleeper beam (6), hoisting rings (7) embedded into the prefabricated sleeper beam (6) are arranged in the hoisting holes (15), and hoisting ring frame studs (16) are arranged on the parts, embedded into the prefabricated sleeper beam (6), of the hoisting rings (7).
3. The prefabricated component for reducing uneven settlement of the expansion joint of the pipe gallery according to claim 1, wherein: and caulking paste (13) is filled at the top of the expansion joint (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634237.7U CN215759163U (en) | 2021-07-16 | 2021-07-16 | Reduce prefabricated component of piping lane expansion joint differential settlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634237.7U CN215759163U (en) | 2021-07-16 | 2021-07-16 | Reduce prefabricated component of piping lane expansion joint differential settlement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215759163U true CN215759163U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121634237.7U Active CN215759163U (en) | 2021-07-16 | 2021-07-16 | Reduce prefabricated component of piping lane expansion joint differential settlement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215759163U (en) |
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2021
- 2021-07-16 CN CN202121634237.7U patent/CN215759163U/en active Active
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