CN220118116U - Prefabricated vertical well structure - Google Patents
Prefabricated vertical well structure Download PDFInfo
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- CN220118116U CN220118116U CN202321357180.XU CN202321357180U CN220118116U CN 220118116 U CN220118116 U CN 220118116U CN 202321357180 U CN202321357180 U CN 202321357180U CN 220118116 U CN220118116 U CN 220118116U
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- prefabricated
- longitudinal
- well wall
- prefabricated well
- wall
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- 238000004873 anchoring Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 6
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000009415 formwork Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011405 expansive cement Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Abstract
The utility model relates to a prefabricated vertical well structure, and belongs to the technical field of underground engineering. The structure comprises a prefabricated well wall (1), an anchor rod (10) and a longitudinal connecting piece (3); the prefabricated well walls (1) are arc-shaped structures, and connecting pieces are arranged at two end faces of each prefabricated well wall, and can enable adjacent prefabricated well walls (1) to be connected; the prefabricated well wall (1) is provided with a longitudinal through hole (2), and the longitudinal connecting piece (3) is arranged in the longitudinal through hole (2) in a penetrating way, so that the upper prefabricated well wall (1) and the lower prefabricated well wall (1) are connected; the prefabricated well wall (1) is provided with grouting anchoring holes (4), and the anchor rods (10) are arranged in the grouting anchoring holes (4) in a penetrating mode. The structure connects adjacent prefabricated well walls (1) through the connecting piece, connects the upper prefabricated well wall (1) and the lower prefabricated well wall (1) through the longitudinal connecting piece (3), simplifies the wet operation procedure, and has high construction speed and low construction cost. The problems of multiple construction procedures, limited working face, low efficiency, long construction period and large potential safety hazard of the traditional underground cast-in-situ shaft structure are solved.
Description
Technical Field
The utility model relates to a prefabricated vertical well structure, and belongs to the technical field of underground engineering.
Background
With the continuous acceleration of urban construction, available overground space is more and more intense, so that underground space with lower development degree and large reserve amount enters the field of vision of people, and currently, the development of underground space has become an important trend of urban development. Urban underground engineering includes underground parking garages, underground storage, working wells, vertical connecting channels of underground spaces such as working wells of tunnels, and the like. However, because the underground structure needs large earthwork excavation, soil taking and slope placing, the construction operation area is far larger than the occupied area of the building, which is difficult to realize in urban areas with limited construction sites.
The traditional underground cast-in-situ shaft structure has the advantages of multiple construction procedures, narrow underground space, limited working face, difficult construction of a formwork support system, low working efficiency, long construction period, difficult control of rigidity of the formwork, difficult guarantee of concrete pouring forming quality and large formwork dismantling engineering quantity. And the underground deep vertical shaft barrel structure has complex construction scaffold system and large construction potential safety hazard.
Disclosure of Invention
The utility model aims to solve the technical problems that the traditional underground cast-in-situ shaft structure has more construction procedures, limited working face, low efficiency, long construction period and large potential safety hazard.
The technical scheme adopted for solving the technical problems is as follows: the prefabricated vertical well structure comprises a plurality of layers of bodies, wherein each body comprises a plurality of prefabricated well walls, anchor rods and longitudinal connecting pieces; the prefabricated well wall is of an arc-shaped block structure, and connecting pieces are respectively arranged at the two end faces of the prefabricated well wall, and can enable left and right adjacent prefabricated well walls to be connected; the upper end face and the lower end face of the prefabricated well wall are provided with through longitudinal through holes, and the longitudinal connecting pieces are arranged in the longitudinal through holes in a penetrating mode, so that the upper prefabricated well wall and the lower prefabricated well wall are connected; the prefabricated well wall is provided with grouting anchoring holes, and the anchor rods are arranged in the grouting anchoring holes in a penetrating mode.
The connecting piece in the structure is an adaptive longitudinal convex groove and a longitudinal groove, the longitudinal convex groove and the longitudinal groove are respectively arranged at two ends of the prefabricated well wall, and the left prefabricated well wall and the right prefabricated well wall are connected.
Wherein, in the above-mentioned structure prefabricated wall of a well up end is provided with the circumference recess that the arc was changeed, is provided with annular strengthening rib in the circumference recess, and vertical connecting piece and annular strengthening rib intersection connection are fixed.
Furthermore, in the structure, the crossing part of the longitudinal connecting piece and the annular reinforcing rib is connected by binding or welding.
Furthermore, in the structure, the water stop adhesive tape is filled at the inner side and the outer side of the connecting part of the longitudinal convex groove and the longitudinal groove and the connecting part of the upper prefabricated well wall and the lower prefabricated well wall.
Wherein, every layer of body outer wall is provided with annular connecting rib in the above-mentioned structure, and annular connecting rib is connected with the stock.
Wherein, in the above-mentioned structure prefabricated wall of a well middle part is provided with the arc through-hole.
Further, in the above structure, a metal corrugated pipe or a plastic corrugated pipe is pre-buried in the arc-shaped through hole.
The longitudinal connecting piece in the structure is a steel bar or a steel pipe and is formed by threaded connection or welded connection.
The distance between the center of the outermost longitudinal through hole of the prefabricated well wall and the end face of the prefabricated well wall is half of the center distance between two adjacent longitudinal through holes.
The beneficial effects of the utility model are as follows: the structure is formed by sequentially butt-jointing and splicing prefabricated well walls, the prefabricated well walls are prefabricated in sections in factories according to design requirements, only hoisting and assembling are needed on site, and construction time is saved. Meanwhile, the exposure time of the excavation enclosure of the shaft foundation pit is reduced, the complex process of the wet operation procedure is simplified, the labor intensity of workers is reduced, the engineering quality is easy to control, the construction speed is high, the cost is low, and the construction method for centralized prefabrication and on-site assembly is environment-friendly, can effectively ensure the construction quality, shortens the construction period, and has good social effect and economic effect.
Drawings
FIG. 1 is a schematic diagram of the vertical connection structure of the prefabricated well wall.
Fig. 2 is a schematic view of the structure of the utility model without penetrating the longitudinal connector and the anchor rod.
FIG. 3 is an enlarged schematic view of the structure I in FIG. 1 according to the present utility model.
Fig. 4 is a schematic cross-sectional view of the present utility model.
Fig. 5 is a schematic top view of the present utility model.
Fig. 6 is an enlarged schematic view of the structure at II in fig. 5 according to the present utility model.
Marked in the figure as: 1 prefabricated well wall, 2 longitudinal through holes, 3 longitudinal connecting pieces, 4 grouting anchoring holes, 5 arc-shaped through holes, 6 circumferential grooves, 7 longitudinal grooves, 8 longitudinal convex grooves, 9 water stop adhesive tapes, 10 anchor rods, 11 annular connecting ribs and 12 annular reinforcing ribs.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the prefabricated vertical well structure of the present utility model comprises a plurality of layers of bodies including a plurality of prefabricated well walls 1, anchor rods 10 and longitudinal connectors 3; the prefabricated well wall 1 is of an arc-shaped block structure, and connecting pieces are respectively arranged at two end faces of the prefabricated well wall 1, and can enable left and right adjacent prefabricated well walls 1 to be connected; the upper end face and the lower end face of the prefabricated well wall 1 are provided with through longitudinal through holes 2, and longitudinal connecting pieces 3 are arranged in the longitudinal through holes 2 in a penetrating mode, so that the upper prefabricated well wall 1 and the lower prefabricated well wall 1 are connected; the prefabricated well wall 1 is provided with grouting anchoring holes 4, and anchor rods 10 are arranged in the grouting anchoring holes 4 in a penetrating mode. It will be appreciated by those skilled in the art that the present structure is formed by splicing a plurality of layers of bodies, and each layer of bodies is formed by splicing prefabricated well walls 1, so that the actual shaft structure is formed by splicing a plurality of prefabricated well walls 1 longitudinally and circumferentially. The two end surfaces of the prefabricated well wall 1 are provided with connecting pieces, and the left and right adjacent prefabricated well walls 1 can be connected through the connecting pieces; the upper end face and the lower end face of the prefabricated well wall 1 are further provided with a longitudinal through hole 2 which penetrates through, a longitudinal connecting piece 3 penetrates through the longitudinal through hole 2, and the upper prefabricated well wall 1 and the lower prefabricated well wall 1 are connected after cement slurry is poured; in order to conveniently fix the prefabricated well wall 1, it is actually preferable to provide grouting anchoring holes 4 on the prefabricated well wall 1, and anchor rods 10 are arranged in the grouting holes in a penetrating wayIn the pulp anchoring holes 4. The longitudinal through holes 2 are uniformly arranged along the middle of the prefabricated well wall 1, staggered joint butt joint is adopted during actual longitudinal splicing, the longitudinal through holes 2 of the upper prefabricated well wall 1 and the lower prefabricated well wall 1 are required to be communicated, the longitudinal connecting piece 3 penetrates into the holes, cement slurry is poured into the longitudinal through holes 2, the reinforcing steel bars or the steel pipes of the longitudinal connecting piece 3 are effectively fixed, the reinforcing steel bars or the steel pipes are prevented from moving up and down, meanwhile, the binding force between the reinforcing steel bars or the steel pipes and the cement slurry is improved, the longitudinal connecting piece 3 and the poured cement slurry cylinder are connected with the prefabricated well wall 1, and the integral rigidity of the well wall is improved. Each prefabricated well wall 1 is provided with 1 grouting anchoring hole 4 in the horizontal direction, an anchor rod 10 penetrates through the grouting anchoring hole 4 to enter a soil layer, cement slurry is injected, and an anchor rod 10 body is anchored in the soil layer. The anchor rod 10 is composed ofThe steel pipe is made into a length of 2000mm, the soil-entering end is conical, and the anchor rod 10 is provided with +.>The quincuncial grouting holes enter the soil layer in a hammering mode. And concrete is filled between the outer side of the prefabricated well wall 1 and the soil layer. Preferably, the cement slurry to be poured is micro-expansive cement.
Preferably, in the above structure, the connecting pieces are adapted longitudinal convex grooves 8 and longitudinal grooves 7, the longitudinal convex grooves 8 and the longitudinal grooves 7 are respectively arranged at two ends of the prefabricated well wall 1, and the left and right adjacent prefabricated well walls 1 can be connected. It can be understood by those skilled in the art that the preferred connecting piece of the structure is an adaptive longitudinal convex groove 8 and a longitudinal groove 7, and specifically, the two end surfaces of the prefabricated well wall 1 are respectively provided with the longitudinal convex groove 8 and the longitudinal groove 7, and the circumferential fixation of the prefabricated well wall 1 is realized by the longitudinal convex groove 8 being clamped into the longitudinal groove 7 of the adjacent prefabricated well wall 1, that is, the left and right adjacent prefabricated well walls 1 are connected into a whole.
Preferably, in the above structure, the upper end surface of the prefabricated well wall 1 is provided with an arc-shaped circumferential groove 6, an annular reinforcing rib 12 is arranged in the circumferential groove 6, and the intersection of the longitudinal connecting piece 3 and the annular reinforcing rib 12 is fixedly connected. It can be understood by those skilled in the art that in order to increase the circumferential structural strength of the well wall, the structure preferably has a circumferential groove 6 and an annular reinforcing rib 12 between two adjacent prefabricated well walls 1 in the longitudinal direction, and the circumferential groove 6 and the annular reinforcing rib 12 are arranged along the circumferential ring of the shaft, and the water-stopping adhesive tape 9 can be preferably arranged on the inner side and the outer side of the structure in practice for preventing water leakage, and the middle cavity surrounded by the water-stopping adhesive tape 9 is filled with cement slurry, so that the waterproof performance and the integrity of the shaft are improved.
Preferably, the intersection of the longitudinal connecting piece 3 and the annular reinforcing rib 12 in the structure is connected by binding or welding. It will be appreciated by those skilled in the art that for convenience of grouting, the cross-sectional dimensions of the actual longitudinal connectors 3 and the annular reinforcing ribs 12 are significantly smaller than the cross-sectional dimensions of the longitudinal through holes 2 and the circumferential grooves 6, so that they may shake, and therefore the present structure preferably adopts binding or welding connection of the longitudinal connectors 3 and the annular reinforcing ribs 12, thereby enhancing the integrity of the shaft wall.
Preferably, in the above structure, the water stop adhesive tape 9 is filled at the inner side and the outer side of the joint of the longitudinal convex groove 8 and the longitudinal groove 7 and the joint of the upper prefabricated well wall 1 and the lower prefabricated well wall 1. As will be appreciated by those skilled in the art, in order to ensure the integrity of the whole shaft wall, grouting is performed at the connection of the longitudinal convex groove 8 and the longitudinal groove 7 and the connection of the upper and lower prefabricated shaft walls 1, so that a closed cavity is formed inside the grouting, and therefore, the water-stopping adhesive tape 9 is preferably filled at the connection of the longitudinal convex groove 8 and the longitudinal groove 7 and the connection of the upper and lower prefabricated shaft walls 1, so that the waterproof performance and the integrity of the shaft are improved.
Preferably, in the above structure, the outer wall of each layer of body is provided with an annular connecting rib 11, and the annular connecting ribs 11 are connected with the anchor rods 10. It will be appreciated by those skilled in the art that in order to increase the circumferential structural strength of the shaft, the structure is preferably provided with annular connecting ribs 11 on the outer side of the prefabricated shaft wall 1, the annular connecting ribs 11 interconnecting the anchor rods 10, and concrete filled between the outer side of the prefabricated shaft wall 1 and the soil layer.
Preferably, in the above structure, an arc-shaped through hole 5 is provided in the middle of the prefabricated well wall 1. It can be understood by those skilled in the art that the circular middle part of each prefabricated well wall 1 of the structure is preferably provided with an arc through hole 5, the arc through hole 5 of each layer of well wall is circumferentially communicated after splicing, the arc through hole 5 is also mutually communicated with the longitudinal through hole 2, the longitudinal through hole 2 and the longitudinal connecting piece 3, the arc through hole 5 and the circular reinforcing rib 12 form a longitudinal and circumferential poured micro-expansion cement column body which has a reinforcing effect on a vertical shaft, the integral strength, the rigidity and the stability of the well wall are greatly improved, and the construction safety and the construction quality of the vertical shaft are improved.
Preferably, in the above structure, a metal bellows or a plastic bellows is pre-buried in the arc-shaped through hole 5. It can be understood by those skilled in the art that, in order to ensure the channel size of the arc-shaped through hole 5, the metal corrugated pipe or the plastic corrugated pipe is preferably pre-buried in the arc-shaped through hole 5, so that the structural strength of the arc-shaped through hole 5 is not only increased, but also the arc-shaped channel is smooth in opening, and the later grouting is facilitated.
Preferably, the longitudinal connecting piece 3 in the above structure is a steel bar or a steel pipe, and is formed by adopting a threaded or welded connection. As will be appreciated by those skilled in the art, since the longitudinal connector 3 is inserted into the longitudinal through hole 2 from top to bottom, the length thereof is long, and for convenience of installation and cost reduction, it is preferable that the longitudinal connector 3 is a steel bar or pipe, and is actually formed into one piece by screw or welded connection.
Preferably, in the above structure, the distance between the center of the outermost longitudinal through hole 2 of the prefabricated well wall 1 and the end face thereof is half of the center distance between two adjacent longitudinal through holes 2. It can be understood by those skilled in the art that, in order to ensure that the longitudinal through holes 2 of the prefabricated well walls 1 which are vertically adjacent are always opposite after the adjacent prefabricated well walls 1 are spliced, the distance between the center of the outermost longitudinal through hole 2 of the prefabricated well wall 1 and the end face of the outermost longitudinal through hole is half of the center distance between the two adjacent longitudinal through holes 2, that is, the longitudinal through holes 2 are always equidistantly arranged after the longitudinal convex grooves 8 and the longitudinal grooves 7 are spliced.
Claims (10)
1. Prefabrication assembles vertical well structure, its characterized in that: the device comprises a plurality of layers of bodies, wherein each body comprises a plurality of prefabricated well walls (1), anchor rods (10) and longitudinal connecting pieces (3); the prefabricated well wall (1) is of an arc block structure, and connecting pieces are respectively arranged at two end faces of the prefabricated well wall (1) and can enable left and right adjacent prefabricated well walls (1) to be connected; the upper end face and the lower end face of the prefabricated well wall (1) are provided with through longitudinal through holes (2), and the longitudinal connecting pieces (3) are arranged in the longitudinal through holes (2) in a penetrating mode, so that the upper prefabricated well wall (1) and the lower prefabricated well wall (1) are connected; the prefabricated well wall (1) is provided with grouting anchoring holes (4), and anchor rods (10) are arranged in the grouting anchoring holes (4) in a penetrating mode.
2. The prefabricated vertical well structure according to claim 1, wherein: the connecting piece is a longitudinal convex groove (8) and a longitudinal groove (7) which are matched, the longitudinal convex groove (8) and the longitudinal groove (7) are respectively arranged at two ends of the prefabricated well wall (1), and the left prefabricated well wall and the right prefabricated well wall (1) are connected.
3. The prefabricated vertical well structure according to claim 1 or 2, wherein: the prefabricated well wall (1) up end is provided with circumference recess (6) that arc was changeed, is provided with annular strengthening rib (12) in circumference recess (6), and longitudinal connector (3) are connected fixedly with annular strengthening rib (12) intersection.
4. A prefabricated vertical well structure according to claim 3, wherein: the crossing part of the longitudinal connecting piece (3) and the annular reinforcing rib (12) is connected by binding or welding.
5. The prefabricated vertical well structure according to claim 2, wherein: the water stop adhesive tape (9) is filled at the inner side and the outer side of the joint of the longitudinal convex groove (8) and the longitudinal groove (7) and the joint of the upper prefabricated well wall (1) and the lower prefabricated well wall.
6. The prefabricated vertical well structure according to claim 1, wherein: each layer of body outer wall is provided with annular connecting rib (11), and annular connecting rib (11) are connected with stock (10).
7. The prefabricated vertical well structure according to claim 1, wherein: the middle part of the prefabricated well wall (1) is provided with an arc-shaped through hole (5).
8. The prefabricated vertical well structure according to claim 7, wherein: the arc through holes (5) are internally embedded with metal corrugated pipes or plastic corrugated pipes.
9. The prefabricated vertical well structure according to claim 1, wherein: the longitudinal connecting piece (3) is a steel bar or a steel pipe and is formed by adopting threaded connection or welding connection.
10. The prefabricated vertical well structure according to claim 1, wherein: the distance between the center of the outermost longitudinal through hole (2) of the prefabricated well wall (1) and the end face of the prefabricated well wall is half of the center distance between the two adjacent longitudinal through holes (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357180.XU CN220118116U (en) | 2023-05-31 | 2023-05-31 | Prefabricated vertical well structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321357180.XU CN220118116U (en) | 2023-05-31 | 2023-05-31 | Prefabricated vertical well structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118116U true CN220118116U (en) | 2023-12-01 |
Family
ID=88889506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321357180.XU Active CN220118116U (en) | 2023-05-31 | 2023-05-31 | Prefabricated vertical well structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118116U (en) |
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2023
- 2023-05-31 CN CN202321357180.XU patent/CN220118116U/en active Active
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