CN212774294U - Pipe jacking construction working well - Google Patents
Pipe jacking construction working well Download PDFInfo
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- CN212774294U CN212774294U CN202021250004.2U CN202021250004U CN212774294U CN 212774294 U CN212774294 U CN 212774294U CN 202021250004 U CN202021250004 U CN 202021250004U CN 212774294 U CN212774294 U CN 212774294U
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- 238000010276 construction Methods 0.000 title claims abstract description 52
- 238000009412 basement excavation Methods 0.000 claims abstract description 51
- 239000011449 brick Substances 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims description 25
- 239000004576 sand Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 description 16
- 101150054854 POU1F1 gene Proteins 0.000 description 12
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 4
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to a push pipe construction work well, it includes first excavation pit, first excavation pit center is the vertical second that is equipped with downwards and is opened the excavation pit, be equipped with the well body in the second excavation pit, well body lateral wall bottom one side is equipped with the back wall, well body lateral wall bottom is equipped with the reservation mouth with the back wall relatively, it is equipped with the brick dado to lie in the well body outside in the first excavation pit, brick dado and first excavation pit lateral wall are equipped with the backfill soil layer, the well body is including setting up the bottom bay that the excavation pit bottom was opened to the second, the bottom bay top is equipped with a plurality of middle bays in proper order, the middle bay top of topmost layer is equipped with the top bay, the bottom bay below is equipped with the concrete bottom surface. The pipe jacking construction working well is simple in structure, small in excavation amount and low in construction difficulty.
Description
Technical Field
The application relates to the field of working wells, in particular to a pipe jacking construction working well.
Background
The pipe-jacking construction is trenchless construction, and is a pipeline burying construction technology without digging or with few digging. The pipe jacking construction is to overcome the friction force between the pipeline and the surrounding soil by means of jacking force generated by jacking equipment in a working well, jack the pipeline into the soil according to a designed gradient and carry away earthwork. Compared with the corresponding construction method of excavating and burying pipes and the corresponding construction method of shielding, the construction of jacking pipes has obvious advantages, and the method does not need to excavate ground notches, but needs to excavate a plurality of working wells at two ends of the laid underground pipeline.
The traditional Chinese invention with the publication number of CN108798775A discloses a pipe jacking construction working well, which comprises a body, drainage ditches are arranged on the periphery of the body, reserved holes and jacking holes are arranged on the side wall, haunches are arranged at right angles on the inner side, blade feet with treads are arranged at the lower end of a well wall, a bottom plate is arranged at the bottom of the body and is arranged in a groove of the well wall nearby the bottom plate, a water collecting well is arranged on the bottom plate in the well, a certain gradient is arranged on the bottom plate towards the direction of the water collecting well, and a sealing bottom and a pot bottom are sequentially arranged below the bottom plate. The pipe-jacking working well overcomes the characteristic of long construction period of a cast-in-place working well, is reasonable in design, strong in integrity, good in stability, simple in structure, capable of improving the construction efficiency, capable of reducing the influence on adjacent buildings during construction, strong in practicability and easy to widely use under the same geological conditions.
Aiming at the related technologies, the inventor thinks that the working well body is integrally formed, so a user must dig to a preset height when excavating a foundation pit, the excavation amount in the construction process is large, and the construction difficulty is large.
SUMMERY OF THE UTILITY MODEL
In order to reduce the excavation volume of work progress, reduce the construction degree of difficulty, this application provides a push pipe construction work well.
The application provides a push pipe construction work well adopts following technical scheme:
the utility model provides a push pipe construction work well, includes first excavation pit, the downward vertical second that is equipped with in first excavation pit center is excavated the pit, be equipped with the well body in the second excavation pit, well body lateral wall bottom one side is equipped with the back wall, well body lateral wall bottom with the back wall is equipped with relatively reserves the mouth, first excavation pit internal bit in the well body outside is equipped with the brick dado, the brick dado with first excavation pit lateral wall is equipped with the backfill soil layer, the well body is including setting up the bottom bay in second excavation pit bottom, the bottom bay top is equipped with a plurality of middle festivals in proper order, and the top layer the middle bay top is equipped with the top bay, the bottom bay below is equipped with the concrete bottom surface.
By adopting the technical scheme, when a user constructs a working well, a first excavation pit is excavated at the periphery of a preset well body, and a brick retaining wall is piled up in the first excavation pit; a backfill soil layer is arranged between the brick retaining wall and the side wall of the first excavation pit and is firmly filled; hoisting the bottom sections into the first excavation pit, enabling the bottom sections to be located in the brick retaining wall area, excavating soil below the bottom sections, and enabling the bottom sections to sink stably; hoisting the middle section after a period of time, placing the middle section right above the bottom section, and continuously excavating soil below the bottom section to enable the bottom section to sink stably; sequentially hoisting and placing the middle sections according to the height of the working well to be constructed until the bottom of the bottom section sinks to the height required by a user; hoisting the top section and placing the top section on the top of the uppermost middle section, wherein the top of the top section is just level with the ground; the concrete bottom surface is arranged below the bottom section to support the well body, so that the spliced well body is prevented from continuously sinking to influence the use of a user, the ground of the well body is smooth and firm, and the subsequent pipe jacking construction of the user is facilitated; the arrangement of the back wall and the reserved opening is convenient for the subsequent pipe jacking construction of workers; to sum up, the excavation volume of this application is littleer, and the construction degree of difficulty reduces, and easily staff's construction, and then reduces construction cost.
Preferably, a cutting edge with a trapezoidal section is arranged below the bottom section.
By adopting the technical scheme, the pressure intensity is increased through the blade foot, and the soil is conveniently cut and sunk at the bottom section.
Preferably, the bottom of the second excavation pit is provided with a brick inclined plane wall supporting the cutting edge foot below the cutting edge foot, and the brick inclined plane wall is partially deep into the concrete bottom surface.
Through adopting above-mentioned technical scheme, carry out auxiliary stay through brick inclined plane wall to the bottom festival, reduce the bottom festival and sink to the volume that still surely soil subsides behind the height that needs.
Preferably, a sand cushion layer is arranged below the concrete bottom surface.
Through adopting above-mentioned technical scheme, through the bearing capacity of sand bed course increase concrete bottom surface, reduce the settlement volume of the well body, the drainage consolidation of concrete bottom surface bottom is accelerated.
Preferably, the top of the bottom section, the bottom of the top section and the two ends of the middle section are provided with mutually matched clamping grooves and clamping blocks.
By adopting the technical scheme, the bottom section and the middle section, the middle section and the middle section, and the middle section and the top section are connected through the clamping groove and the clamping block, so that the spliced well body is firmer.
Preferably, a fine sand filling layer is arranged between the side wall of the well body and the brick retaining wall.
Through adopting above-mentioned technical scheme, fill the gap between well body lateral wall and the brick dado through the fine sand filling layer, support the well body, the fine sand filling layer plays lubricated effect when the well body sinks, and the well body of being convenient for sinks, and convenience of customers uses.
Preferably, the second excavation pit is internally provided with a reinforcement cage on the inner side of the well body, the outer layer of the reinforcement cage is provided with a reinforcement wall formed by splicing steel plates, the reinforcement cage is arranged between the well body and the reinforcement wall, and a concrete pouring layer is arranged between the well body and the reinforcement wall.
Through adopting above-mentioned technical scheme, through the cooperation of steel reinforcement cage, concrete placement layer and reinforced wall, make well body coupling more stable, guarantee the quality of push pipe construction work well, and then guarantee staff's personal safety.
Preferably, the side wall of the well body is provided with at least one reinforcing frame, a through hole is reserved in the middle of each reinforcing frame, and each reinforcing frame is formed by splicing a plurality of reinforcing rods.
Through adopting above-mentioned technical scheme, consolidate the well body once more through reinforcing frame, strengthen the steadiness of well body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method has the advantages that the excavation amount is smaller, the construction difficulty is reduced, the construction is easy for workers, and the construction cost is further reduced;
2. the gap between the side wall of the well body and the brick retaining wall is filled through the fine sand filling layer to support the well body, and the fine sand filling layer plays a role in lubricating when the well body sinks, so that the well body sinks conveniently and is convenient for a user to use;
3. through the cooperation of steel reinforcement cage, concrete placement layer and reinforced wall, make well body coupling more stable, guarantee the quality of push pipe construction work well, and then guarantee staff's personal safety.
Drawings
FIG. 1 is a longitudinal cross-sectional schematic view of the present application;
FIG. 2 is a schematic diagram of the overall structure of the present application;
fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Description of reference numerals: 1. a first excavation pit; 2. secondly, digging a pit; 21. bricking the inclined plane wall; 3. a well body; 31. a bottom section; 311. a blade foot; 32. a middle section; 33. a top section; 34. a back wall; 35. reserving a port; 36. a concrete bottom surface; 37. a sand cushion layer; 38. a card slot; 39. a clamping block; 4. bricking the protective wall; 41. a fine sand filling layer; 5. backfilling the soil layer; 6. a reinforcement cage; 7. reinforcing the wall; 8. pouring a concrete layer; 9. a reinforcing frame; 91. and a reinforcing rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a pipe jacking construction working well. As shown in fig. 1, the pipe-jacking construction working well comprises a first excavation pit 1, a second excavation pit 2 is vertically arranged at the center of the first excavation pit 1 downwards, and a well body 3 is arranged in the second excavation pit 2; a back wall 34 is arranged on one side of the bottom of the side wall of the well body 3, a reserved opening 35 is formed in the bottom of the side wall of the well body 3 and opposite to the back wall 34, and the back wall 34 and the reserved opening 35 are arranged to facilitate subsequent pipe jacking construction of workers; a brick retaining wall 4 for strengthening and supporting the well body 3 is arranged outside the well body 3 in the first excavation pit 1, a fine sand filling layer 41 is arranged between the side wall of the well body 3 and the brick retaining wall 4, a gap between the side wall of the well body 3 and the brick retaining wall 4 is filled through the fine sand filling layer 41 to support the well body 3, and the fine sand filling layer 41 plays a role in lubrication when the well body 3 sinks, so that the well body 3 sinks conveniently and is convenient for a user to use; and a backfill soil layer 5 is arranged on the brick retaining wall 4 and the side wall of the first excavation pit 1, and the gap between the brick retaining wall 4 and the brick retaining wall 4 is filled and leveled through the backfill soil layer 5. As shown in fig. 1 and 2, a reinforcement cage 6 is arranged inside the well body 3 in the second excavation pit 2, a reinforcement wall 7 formed by splicing steel plates is arranged on the outer layer of the reinforcement cage 6, the reinforcement cage 6 is arranged between the well body 3 and the reinforcement wall 7, a concrete pouring layer 8 is arranged between the well body 3 and the reinforcement wall 7, and the well body 3 is connected more stably by matching the reinforcement cage 6, the concrete pouring layer 8 and the reinforcement wall 7, so that the quality of the pipe-jacking construction working well is ensured, and the personal safety of workers is further ensured; the lateral wall of the well body 3 is provided with at least one reinforcing frame 9, the middle part of each reinforcing frame 9 is provided with a through hole, each reinforcing frame 9 is formed by splicing a plurality of reinforcing rods 91, the well body 3 is reinforced again through the reinforcing frames 9, and the stability of the well body 3 is enhanced.
As shown in fig. 1 and 3, the well body 3 comprises a bottom section 31 arranged at the bottom of the second excavation pit 2, a cutting edge 311 with a trapezoidal section and convenient for soil cutting and sinking is arranged below the bottom section 31, a plurality of middle sections 32 are sequentially arranged above the bottom section 31, a top section 33 is arranged above the middle section 32 at the topmost layer, and a concrete bottom surface 36 is arranged below the bottom section 31; the top of the bottom section 31, the bottom of the top section 33 and the two ends of the middle section 32 are provided with a clamping groove 38 and a clamping block 39 which are matched with each other, so that the connection is strengthened, and the spliced well body 3 is firmer. When a user constructs a working well, excavating a first excavation pit 1 on the periphery of a preset well body 3, and piling a brick retaining wall 4 in the first excavation pit 1; a backfill soil layer 5 is arranged between the brick retaining wall 4 and the side wall of the first excavation pit 1 for firm filling; hoisting the bottom sections 31 into the first excavated pit 1, positioning the bottom sections 31 in the area of the brick retaining wall 4, excavating soil below the bottom sections 31, and enabling the bottom sections 31 to sink stably; after a period of time, hoisting the middle section 32 and placing the middle section over the bottom section 31, and continuously excavating soil below the bottom section 31 to enable the bottom section 31 to sink stably; sequentially hoisting and placing the middle sections according to the height of the working well to be constructed until the bottom of the bottom section 31 sinks to the height required by a user; hoisting the top section 33 and placing the top section at the top of the middle section 32 at the uppermost layer, wherein the top of the top section 33 is just flush with the ground; set up concrete bottom surface 36 and support the well body 3 in bottom section 31 below, prevent that the well body 3 that splices from continuing to sink and influence the user and use, make well body 3 ground level firm, the follow-up push pipe construction of convenience of customers. And the excavation volume of the push pipe construction working well of this application is littleer, and the construction degree of difficulty reduces, easily staff's construction, and then reduces construction cost.
As shown in fig. 3, the brick-built slope wall 21 supporting the cutting edge 311 is provided at the bottom of the second excavation 2 below the cutting edge 311, and the brick-built slope wall 21 is partially inserted into the concrete bottom 36. The bottom sections 31 are supported in an auxiliary mode through the brick-built inclined plane wall 21, and the amount of sinking of the soil still cut after the bottom sections 31 sink to the required height is reduced. The sand cushion layer 37 is arranged below the concrete bottom surface 36, the bearing capacity of the concrete bottom surface 36 is increased through the sand cushion layer 37, the settling volume of the well body 3 is reduced, and drainage consolidation of the bottom of the concrete bottom surface 36 is accelerated.
The implementation principle of a pipe jacking construction working well in the embodiment of the application is as follows: when constructing the pipe-jacking construction working well, a user firstly excavates the first excavation pit 1 at the periphery of the expected setting well body 3, piles the brick retaining wall 4 in the first excavation pit 1, and firmly fills the backfill soil layer 5 arranged between the brick retaining wall 4 and the side wall of the first excavation pit 1.
Secondly, the bottom sections 31 are hoisted into the first excavation pit 1, so that the bottom sections 31 are positioned in the area of the brick retaining wall 4, a fine sand filling layer 41 is arranged between the side wall of the well body 3 and the brick retaining wall 4, soil below the bottom sections 31 is excavated, and the bottom sections 31 are stably sunk;
thirdly, after a period of time, hoisting the middle section 32 and placing the middle section over the bottom section 31, continuously excavating soil below the bottom section 31 to enable the bottom section 31 to sink stably, and sequentially hoisting and placing the middle sections according to the height of the working well to be constructed until the bottom of the bottom section 31 sinks to the height required by a user;
then, hoisting the top section 33 and placing the top section on the top of the middle section 32 on the uppermost layer, wherein the top of the top section 33 is just flush with the ground;
then, a sand cushion layer 37 is arranged below the bottom section 31, a brick-built inclined plane wall 21 is arranged below the cutting edge 311, and a concrete bottom surface 36 is arranged above the sand cushion layer 37;
and finally, hoisting the reinforcement cage 6, arranging a reinforcing wall 7, pouring a concrete pouring layer 8 between the well body 3 and the reinforcing wall 7, and arranging a reinforcing frame 9 on the side wall of the well body 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a push pipe construction work well which characterized in that: comprises a first excavation pit (1), a second excavation pit (2) is vertically arranged at the center of the first excavation pit (1) downwards, a well body (3) is arranged in the second excavation pit (2), a back wall (34) is arranged on one side of the bottom of the side wall of the well body (3), a reserved opening (35) is arranged at the bottom of the side wall of the well body (3) and opposite to the back wall (34), a brick retaining wall (4) is arranged outside the well body (3) in the first excavation pit (1), a backfill soil layer (5) is arranged on the side walls of the brick retaining wall (4) and the first excavation pit (1), the well body (3) comprises a bottom section (31) arranged at the bottom of the second excavation pit (2), a plurality of middle sections (32) are sequentially arranged above the bottom section (31), a top section (33) is arranged above the middle section (32) at the topmost layer, and a concrete bottom surface (36) is arranged below the bottom section (31).
2. The pipe-jacking construction work well of claim 1, wherein: and a cutting edge (311) with a trapezoidal section is arranged below the bottom section (31).
3. The pipe-jacking construction work well of claim 2, wherein: and a brick-built inclined plane wall (21) for supporting the cutting edge (311) is arranged at the bottom of the second excavation pit (2) below the cutting edge (311), and part of the brick-built inclined plane wall (21) extends into the concrete bottom surface (36).
4. The pipe-jacking construction work well of claim 3, wherein: and a sand cushion layer (37) is arranged below the concrete bottom surface (36).
5. The pipe-jacking construction work well of claim 1, wherein: and clamping grooves (38) and clamping blocks (39) which are matched with each other are arranged at the top of the bottom section (31), the bottom of the top section (33) and two ends of the middle section (32).
6. The pipe-jacking construction work well of claim 1, wherein: and a fine sand filling layer (41) is arranged between the side wall of the well body (3) and the brick retaining wall (4).
7. The pipe-jacking construction work well of claim 1, wherein: be located in second excavation pit (2) well body (3) inboard is equipped with steel reinforcement cage (6), steel reinforcement cage (6) skin is equipped with reinforced wall (7) that the steel sheet concatenation formed, steel reinforcement cage (6) are located well body (3) with between reinforced wall (7), well body (3) with be equipped with concrete placement layer (8) between reinforced wall (7).
8. The pipe-jacking construction work well of claim 1, wherein: the well body (3) lateral wall is equipped with at least one reinforcement frame (9), the through-hole is left in reinforcement frame (9) middle part, each reinforcement frame (9) are formed by a plurality of reinforcement bars (91) concatenation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250004.2U CN212774294U (en) | 2020-06-30 | 2020-06-30 | Pipe jacking construction working well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021250004.2U CN212774294U (en) | 2020-06-30 | 2020-06-30 | Pipe jacking construction working well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212774294U true CN212774294U (en) | 2021-03-23 |
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ID=75086342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021250004.2U Expired - Fee Related CN212774294U (en) | 2020-06-30 | 2020-06-30 | Pipe jacking construction working well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212774294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294159A (en) * | 2021-04-22 | 2021-08-24 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
-
2020
- 2020-06-30 CN CN202021250004.2U patent/CN212774294U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294159A (en) * | 2021-04-22 | 2021-08-24 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
| CN113294159B (en) * | 2021-04-22 | 2024-04-12 | 核工业井巷建设集团有限公司 | High-stability working well structure suitable for long-distance large-section jacking pipe and construction method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |