CN220249139U

CN220249139U - High groundwater level pipeline slot backfill structure

Info

Publication number: CN220249139U
Application number: CN202321997002.3U
Authority: CN
Inventors: 白粒盟; 田宁; 钱怡; 许志雄; 陈俊龙
Original assignee: Sinohydro Bureau 9 Co Ltd
Current assignee: Sinohydro Bureau 9 Co Ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2023-12-26
Anticipated expiration: 2033-07-27

Abstract

The utility model relates to the technical field of pipeline engineering construction, in particular to a high groundwater level pipeline groove backfill structure, which comprises: the cement stabilizing gravel layer is paved on the top of the coarse sand layer, and the pavement layer is paved on the top of the cement stabilizing gravel layer; the protection structure is arranged in the coarse sand layer; the protection structure comprises half frames which are uniformly distributed and are all installed in the coarse sand layer; through setting up protective structure, when the vehicle is at the in-process that the road surface layer was gone, a sealed framework is constituteed jointly to half frame and apron, and this can bear the weight of the vehicle and pass through road surface layer, cement and stabilize the downward pressure of applys of rubble layer and coarse sand layer for the pipeline is in operation under a comparatively stable environment all the time, the effectual pipeline that has reduced is extruded deformation even cracked probability, and then reaches good protection effect.

Description

High groundwater level pipeline slot backfill structure

Technical Field

The utility model relates to the technical field of pipeline engineering construction, in particular to a high-groundwater level pipeline groove backfill structure.

Background

The pipeline is buried underground, so that the interference with ground facilities is avoided, farmland cultivation on the ground is not affected, the road can be kept smooth, and rivers and channels can flow normally. The high groundwater level refers to the higher water level in the underground aquifer, and at present, pipelines are buried in the grooves with high groundwater level in a backfilling mode.

The pipeline is easy to receive downward load on the ground in the using process, the backfill structure in the groove is simple, the load on the ground is easy to directly act on the pipeline, the pipeline is extruded and deformed and even broken, and the safe transportation of the medium in the pipeline is affected.

Disclosure of Invention

The utility model aims to solve the problems that the existing high-water-level pipeline groove backfill structure cannot effectively protect pipelines, and the pipelines in the backfill structure are easy to deform or even break due to extrusion.

A high ground water level pipeline trench backfill structure comprising: the cement stabilizing gravel layer is paved on the top of the coarse sand layer, and the pavement layer is paved on the top of the cement stabilizing gravel layer; the protection structure is arranged in the coarse sand layer; wherein, protective structure includes evenly distributed and all installs in the inside half frame of coarse sand layer, adjacent two half frame is laminated mutually, the apron that sets up in coarse sand layer is placed at the top of half frame, adjacent two the apron contacts, through setting up protective structure, when the in-process that the vehicle was going at the pavement layer, half frame and apron constitute a sealed framework jointly, this can bear the weight of the vehicle and pass through pavement layer, the stable gravel layer of cement and the downward pressure of exerting of coarse sand layer for the pipeline is in operation under a comparatively stable environment all the time, the effectual pipeline that has reduced is extruded the probability of deformation even breaking, and then reaches good protection effect.

Preferably, the cross-sectional shape at the top of the cover plate is a half arc shape, and the half frame and the cover plate are both made of concrete material members, so that the compressive capacity of the cover plate can be increased, and the use strength of the cover plate can be improved.

Preferably, two limit grooves are formed in the bottom of the cover plate, limit strips fixedly connected with the adjacent half frames are inserted into the inner walls of the limit grooves, and the half frames and the limit strips are integrally poured, so that the cover plate can be firmly limited on the surface of the half frames, and the probability of sliding dislocation of the cover plate is reduced.

Preferably, the inner bottom wall of the half frame is concave and is provided with a positioning groove, and the cross section of the positioning groove is semicircular, so that the probability of shaking of the pipeline in the half frame can be reduced, and the stability of the device during operation can be improved.

Preferably, the bottom fixedly connected with of apron and the supporting shoe of half frame inner bottom wall contact, the semicircle mouth with constant head tank assorted is seted up to the bottom of supporting shoe, the design is pour as an organic whole with the apron to the supporting shoe, this area of contact of apron and half frame not only can be increased to improve half frame and apron common compressive capacity, and this simultaneously also can inject the ascending surface of pipeline, and then has reduced the probability of pipeline vibration.

Preferably, the first connecting groove has been seted up to the one end of half frame, the other end fixedly connected with of half frame with adjacent first constant head tank grafting, the shape of first connecting groove and first constant head tank is assorted U type, the surface of first constant head tank be provided with adjacent the rubber coating of first connecting groove contact, this not only can make two adjacent half frames be in same height, and this gap between two adjacent half frames has also been sealed simultaneously to prevent that water in the surrounding coating from oozing into half frame inside, reduced the probability that the pipeline was corroded and polluted.

Preferably, the second spread groove has been seted up to the one end of apron, the other end fixedly connected with of apron with be adjacent the second location strip of second spread groove grafting, the surface of second location strip be provided with adjacent the rubber coating of first spread groove contact, the shape of first spread groove and first location strip is assorted n type, first location strip and second location strip constitute a frame jointly, and this not only can make two adjacent apron be in same height, and this gap between two adjacent apron has also been sealed simultaneously to prevent water infiltration in the coating around into half inside the frame, further reduced the probability that the pipeline was corroded and polluted.

The beneficial effects of the utility model are as follows:

1. through setting up protective structure, when the vehicle is at the in-process that the road surface layer was driven, half frame and apron constitute a sealed framework jointly, and this pressure that can bear the vehicle and apply downwards through road surface layer, cement stable gravel layer and coarse sand layer for the pipeline is in a comparatively stable environment operation all the time, has effectually reduced the pipeline and has extruded the probability of deformation even breaking, and then reaches good protection effect;

2. through the joint cooperation of first spread groove and first constant head tank and second spread groove and second constant head tank, this can seal the gap between two adjacent half frames and two adjacent apron respectively to prevent the water infiltration in the coating around into half frame inside, reduced the probability that the pipeline was corroded and polluted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a protective structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a protective structure according to the present utility model;

fig. 4 is an exploded view of the protective structure of the present utility model.

In the figure: 1. coarse sand layer; 2. cement stabilizing the crushed stone layer; 3. a road surface layer; 4. a protective structure; 401. a half frame; 402. a cover plate; 403. a limit groove; 404. a limit bar; 405. a positioning groove; 406. a support block; 407. a first connection groove; 408. a first positioning bar; 409. a second connecting groove; 410. and a second positioning strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The specific implementation method comprises the following steps: as shown in fig. 1-4, a high groundwater level pipeline trench backfill structure includes: the cement stabilizing gravel layer comprises a coarse sand layer 1, wherein a cement stabilizing gravel layer 2 is laid on the top of the coarse sand layer 1, and a pavement layer 3 is laid on the top of the cement stabilizing gravel layer 2; the protection structure 4, the protection structure 4 is installed in the inside of coarse sand layer 1.

As shown in fig. 2, 3 and 4, the protection structure 4 includes half frames 401 which are uniformly distributed and are all installed inside the coarse sand layer 1, two adjacent half frames 401 are attached to each other, a cover plate 402 which is disposed inside the coarse sand layer 1 is disposed on top of each half frame 401, and two adjacent cover plates 402 are in contact with each other; the cross section of the top of the cover plate 402 is semi-arc, and the half frame 401 and the cover plate 402 are both concrete material members; two limit grooves 403 are formed in the bottom of the cover plate 402, limit bars 404 fixedly connected with the adjacent half frames 401 are inserted into the inner walls of the limit grooves 403, and the half frames 401 and the limit bars 404 are integrally cast.

As shown in fig. 2, 3 and 4, the inner bottom wall of the half frame 401 is concave and is formed with a positioning groove 405, and the cross section of the positioning groove 405 is semicircular; the bottom of apron 402 fixedly connected with the supporting shoe 406 of half 401 bottom contact, the semicircle mouth with positioning groove 405 assorted is seted up to the bottom of supporting shoe 406, the supporting shoe 406 is the design of pouring as an organic whole with apron 402 { semicircle mouth's inner wall bonds has the rubber pad with the pipeline contact, this position that can inject the pipeline to slow down vibration amplitude and the frequency of pipeline }.

As shown in fig. 3 and fig. 4, a first connecting slot 407 is opened at one end of the half frame 401, a first positioning strip 408 inserted into the adjacent first connecting slot 407 is fixedly connected to the other end of the half frame 401, the shapes of the first connecting slot 407 and the first positioning strip 408 are in a matched U shape, and a rubber coating contacting with the adjacent first connecting slot 407 is provided on the surface of the first positioning strip 408; the second connecting groove 409 has been seted up to the one end of apron 402, the other end fixedly connected with of apron 402 with adjacent the second locating strip 410 of second connecting groove 409 grafting, the surface of second locating strip 410 is provided with adjacent the rubber coating of first connecting groove 407 contact, the shape of first connecting groove 407 and first locating strip 408 is assorted n type, first locating strip 408 and second locating strip 410 constitute a frame shape jointly.

When the cement stabilizing and crushing device is used, a worker firstly places the half frames 401 in the grooves in sequence, plugs the first connecting grooves 407 at one end of each half frame 401 into the first locating strips 408 at the other end of the adjacent half frames 401, after the corresponding number of half frames 401 are all plugged, lays the pipelines in the locating grooves 405 in the half frames 401, then places the cover plate 402 on the top of the half frames 401, plugs the limiting grooves 403 at the bottom of the cover plate 402 into the adjacent limiting strips 404, then plugs the second connecting grooves 409 at one end of the cover plate 402 into the second locating strips 410 of the adjacent cover plate 402, so that the cover plate 402 and the half frames 401 form a sealed frame body together, covers the pipelines in the frame body, then lays and compacts the coarse sand layer 1 in the grooves, then lays and compacts the cement stabilizing and crushing layer 2 on the top of the coarse sand layer 1, and finally lays and compacts the pavement layer 3 on the top of the cement stabilizing and crushing layer 2. When the vehicle runs on the road surface layer 3, the half frame 401 and the cover plate 402 form a sealed frame body together, and the pressure applied downwards by the vehicle through the road surface layer 3, the cement stabilized gravel layer 2 and the coarse sand layer 1 can be borne, so that the pipeline runs in a stable environment all the time, the extrusion deformation and even cracking probability of the pipeline is effectively reduced, and a good protection effect is achieved.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A high groundwater level pipeline trench backfill structure, comprising:

the cement stabilizing device comprises a coarse sand layer (1), wherein a cement stabilizing gravel layer (2) is paved on the top of the coarse sand layer (1), and a pavement layer (3) is paved on the top of the cement stabilizing gravel layer (2);

the protection structure (4) is arranged in the coarse sand layer (1);

the protection structure (4) comprises half frames (401) which are uniformly distributed and are arranged inside the coarse sand layer (1), two adjacent half frames (401) are attached to each other, cover plates (402) which are arranged inside the coarse sand layer (1) are arranged at the tops of the half frames (401), and two adjacent cover plates (402) are in contact.

2. The high groundwater level pipe trench backfill structure of claim 1, wherein: the cross-section shape at the top of the cover plate (402) is a half arc shape, and the half frame (401) and the cover plate (402) are both concrete material members.

3. The high groundwater level pipe trench backfill structure of claim 1, wherein: two limit grooves (403) are formed in the bottom of the cover plate (402), limit strips (404) fixedly connected with the adjacent half frames (401) are inserted into the inner walls of the limit grooves (403), and the half frames (401) and the limit strips (404) are integrally cast.

4. The high groundwater level pipe trench backfill structure of claim 1, wherein: the inner bottom wall of the half frame (401) is concave and is provided with a positioning groove (405), and the cross section of the positioning groove (405) is semicircular.

5. The high groundwater level pipe trench backfill structure of claim 4, wherein: the bottom of apron (402) fixedly connected with and supporting shoe (406) of half frame (401) interior bottom contact, semicircle mouth with positioning groove (405) assorted is seted up to the bottom of supporting shoe (406), supporting shoe (406) and apron (402) are the design of pouring as an organic whole.

6. The high groundwater level pipe trench backfill structure of claim 1, wherein: the novel rubber coating is characterized in that a first connecting groove (407) is formed in one end of the half frame (401), a first positioning strip (408) which is inserted into the first connecting groove (407) is fixedly connected to the other end of the half frame (401), the shapes of the first connecting groove (407) and the first positioning strip (408) are U-shaped, which are matched, and a rubber coating which is in contact with the adjacent first connecting groove (407) is arranged on the surface of the first positioning strip (408).

7. The high groundwater level pipe trench backfill structure of claim 6, wherein: the novel plastic box is characterized in that a second connecting groove (409) is formed in one end of the cover plate (402), a second positioning strip (410) which is inserted into the second connecting groove (409) is fixedly connected to the other end of the cover plate (402), a rubber coating which is in contact with the first connecting groove (407) is arranged on the surface of the second positioning strip (410), the shape of the first connecting groove (407) and the shape of the first positioning strip (408) are of a matched n type, and the first positioning strip (408) and the second positioning strip (410) form a frame together.