CN220150394U - Shock-absorbing structure based on separation of subway U-shaped groove and upper cover upright post - Google Patents
Shock-absorbing structure based on separation of subway U-shaped groove and upper cover upright post Download PDFInfo
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- CN220150394U CN220150394U CN202320473668.2U CN202320473668U CN220150394U CN 220150394 U CN220150394 U CN 220150394U CN 202320473668 U CN202320473668 U CN 202320473668U CN 220150394 U CN220150394 U CN 220150394U
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- shaped groove
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- upright post
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- 238000000926 separation method Methods 0.000 title claims abstract description 16
- 239000004793 Polystyrene Substances 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 11
- 229920002223 polystyrene Polymers 0.000 claims abstract description 11
- 239000002689 soil Substances 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 8
- 238000011161 development Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- -1 tiles Substances 0.000 description 1
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Abstract
The utility model discloses a damping structure based on separation of a U-shaped groove and an upper cover upright post of a subway, which comprises a foundation pit, a support structure, a pile foundation of a pile cap, an upper cover upright post and a U-shaped groove; the U-shaped groove comprises a U-shaped groove bottom plate and U-shaped groove shear walls on two sides, a plurality of vertical grooves which are recessed inwards and matched with the positions of upper cover stand columns are formed in two sides of the U-shaped groove along the longitudinal direction, and the upper cover stand columns are located in the vertical grooves and are filled with extruded polystyrene boards between the U-shaped groove shear walls. The utility model can effectively reduce the vibration influence of the U-shaped groove of the parking lot on the upright post of the upper cover, and simultaneously reduce the noise influence of the development state of the upper cover of the U-shaped groove; the U-shaped groove bottom plate of the parking lot, the comprehensive pivot body bearing platform and the upper cover upright post are utilized for disengaging design, the extruded polystyrene board is filled between the U-shaped groove shear wall and the upper cover upright post, vibration generated during running of the vehicle can be absorbed and degraded through the middle filling material, influence on the bearing platform and the upper cover upright post is reduced, and the construction step is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit construction, and particularly provides a damping structure based on separation of a U-shaped groove and an upper cover upright post of a subway.
Background
The development of urban traffic has close relation with the development of urban economy, and the rail traffic is a main traffic tool in the current and future China cities with the advantages of large capacity, rapidness, comfort, green and the like. The subway parking lot is used as a comprehensive infrastructure, the cost is high, the occupied area is large, and the reasonable utilization of the land resources of the subway parking lot becomes an important point of current research. The existing parking lot adopts the mode of upper cover development, optimizes the urban layout, saves land resources and creates economic benefits.
The U-shaped groove bottom plate of the existing parking lot is combined with the comprehensive pivot body bearing platform and the upper cover upright post to form a whole. The method combines the U-shaped groove of the parking lot with the bearing platform of the comprehensive pivot body and the upright post of the upper cover for construction, has complex process steps, multiple embedded parts and higher site construction difficulty. When the subway parking vehicle at night runs into a parking lot, the U-shaped groove of the parking lot, the comprehensive hub body bearing platform and the upper cover upright post structure are integrated, the comprehensive hub body structure is easy to vibrate through the U-shaped groove, certain risk hidden danger exists, and the vehicle runs into the U-shaped groove to generate noise influence on the development of the upper cover.
Disclosure of Invention
The utility model aims to provide a damping structure based on separation of a U-shaped groove and an upper cover upright post of a subway, which can effectively solve the problems by utilizing the separation design of a U-shaped groove bottom plate of a parking lot, a comprehensive pivot body bearing platform and the upper cover upright post and filling extruded polystyrene boards between a U-shaped groove shear wall and the upper cover upright post.
The technical scheme of the utility model is as follows: the damping structure based on the separation of the U-shaped groove and the upper cover upright post of the subway comprises a foundation pit 1 and an enclosure supporting structure 2, wherein the enclosure supporting structure 2 is arranged around the foundation pit 1, a plurality of groups of bearing platform pile foundations 3 are longitudinally arranged on two sides of the foundation pit 1, a bearing platform 4 is arranged above each group of bearing platform pile foundations 3, an upper cover upright post 5 is connected above the bearing platform 4, and a cushion layer 7 is arranged after backfilling by backfilling soil 6; a plurality of groups of pile reduction and anti-pulling piles 17 are longitudinally arranged in the middle of the foundation pit 1, two pile reduction and anti-pulling piles are arranged in each group and are positioned between the bearing platforms 4 at the two lateral sides, and a U-shaped groove 8 is connected above the pile reduction and anti-pulling piles 17; the U-shaped groove 8 is located above the cushion layer 7 and comprises a U-shaped groove bottom plate 10 and U-shaped groove shear walls 11 on two sides, a plurality of vertical grooves 12 which are recessed inwards and matched with the upper cover upright 5 in position are formed in two sides of the U-shaped groove 8 longitudinally, the upper cover upright 5 is located in the vertical grooves 12, extruded polystyrene boards 9 are adopted between the U-shaped groove shear walls 11 to be filled, and backfill soil 6 is adopted between the upper cover upright 5 and the enclosure supporting structure 2 to be filled.
Further, the enclosure supporting structure 2 comprises a ground connecting wall 13, a concrete crown beam 14, a retaining wall 15 and a concrete support 16; the underground continuous wall 13 is arranged around, the concrete crown beams 14 are arranged above the underground continuous wall 13, the retaining wall 15 is arranged above the concrete crown beams 14, and the concrete crown beams 14 on two sides are connected through the concrete supports 16 to form an integral enclosure support structure.
Further, the bearing platform 4 is connected with the ground connecting wall 13 at one side close to the ground connecting wall 13.
Further, the thickness of the diaphragm wall 13 is 600mm.
Further, the foundation pit 1 is backfilled to the position of the retaining wall 15 through backfill soil 6.
Further, the cushion 7 is made of C20 concrete and has a thickness of 200mm.
Further, the extruded polystyrene board 9 has a thickness of 50mm.
Further, the pile foundation 3 of the bearing platform adopts a rotary digging pile with the diameter of 1000 mm.
Further, the pile sinking reducing and pulling resisting pile 17 adopts a tubular pile with the diameter of 600mm, the wall thickness of 130mm and the pile length of 1500 mm.
The utility model has the following beneficial effects:
the utility model can effectively reduce the vibration influence of the U-shaped groove of the parking lot on the upright post of the upper cover, and simultaneously reduce the noise influence of the development state of the upper cover of the U-shaped groove; the U-shaped groove bottom plate of the parking lot, the comprehensive pivot body bearing platform and the upper cover upright post are utilized for disengaging design, and the extruded polystyrene board is filled between the U-shaped groove shear wall and the upper cover upright post, so that vibration generated when a vehicle runs can be adsorbed and degraded through a filling material in the middle, and the influence on the bearing platform and the upper cover upright post is reduced; meanwhile, the design that the U-shaped groove is separated from the upper cover bearing platform enables construction steps to be simple and convenient, construction quality is greatly improved, practical construction is feasible, and the U-shaped groove and the upper cover bearing platform have high safety and popularization and application values.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is a plan view of a U-shaped groove in the present utility model;
in the figure: 1. a foundation pit; 2. a support structure is enclosed; 3. pile foundation of the bearing platform; 4. bearing platform; 5. an upper cover upright post; 6. backfilling soil; 7. a cushion layer; 8. a U-shaped groove; 9. extruding polystyrene board; 10. a U-shaped groove bottom plate; 11. u-shaped groove shear walls; 12. a vertical groove; 13. a ground connecting wall; 14. a concrete crown beam; 15. a retaining wall; 16. supporting concrete; 17. pile sinking reduction and pile pulling resistance.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1-5, a damping structure based on separation of a subway U-shaped groove and an upper cover upright post comprises a foundation pit 1 and an enclosure supporting structure 2, wherein the enclosure supporting structure 2 is arranged around the foundation pit 1; the enclosure support structure 2 comprises a ground connecting wall 13, a concrete crown beam 14, a retaining wall 15 and a concrete support 16; the thickness of the ground continuous wall 13 is 600mm, the ground continuous wall 13 is arranged around, the concrete crown beams 14 are arranged above the ground continuous wall 13, the retaining wall 15 is arranged above the concrete crown beams 14, and the concrete crown beams 14 on two sides are connected through the concrete supports 16 to form an integral enclosure support structure.
The two sides of the foundation pit 1 are longitudinally provided with a plurality of groups of pile cap pile foundations 3, the pile cap pile foundations 3 adopt rotary digging piles with the diameter of 1000mm, a pile cap 4 is arranged above each group of pile cap pile foundations 3, one side of the pile cap 4 close to the ground continuous wall 13 is connected with the ground continuous wall 13, an upper cover upright post 5 is connected above the pile cap 4, a cushion layer 7 is arranged after backfilling by adopting backfill soil 6, and the cushion layer 7 adopts C20 concrete with the thickness of 200mm; the middle part of the foundation pit 1 is longitudinally provided with a plurality of groups of pile reduction and anti-pulling piles 17, each group is two, and the pile reduction and anti-pulling piles 17 are arranged between the bearing platforms 4 at the two lateral sides, the pile reduction and anti-pulling piles 17 are tubular piles with the diameter of 600mm, the wall thickness of 130mm and the pile length of 1500mm, and U-shaped grooves 8 are connected above the pile reduction and anti-pulling piles 17; the U-shaped groove 8 is located above the cushion layer 7 and comprises a U-shaped groove bottom plate 10 and U-shaped groove shear walls 11 on two sides, a plurality of vertical grooves 12 which are recessed inwards and matched with the upper cover upright 5 in position are formed in two sides of the U-shaped groove 8 longitudinally, the upper cover upright 5 is located in the vertical grooves 12, extruded polystyrene boards 9 with the thickness of 50mm are filled between the upper cover upright 5 and the U-shaped groove shear walls 11, backfilling is carried out between the upper cover upright and the enclosure supporting structure 2, and backfilling is carried out between the upper cover upright and the enclosure supporting structure 2 by using backfilling 6, so that the upper cover upright is backfilled to the position of a retaining wall 15.
When in construction, the upper cover upright post 5, the bearing platform 4 and the U-shaped groove 8 are separately constructed, and when the enclosure supporting structure 2 is constructed, the construction space of the upper cover upright post 5 and the bearing platform 4 is reserved; the backfill material between the U-shaped groove bottom plate 10 and the bottom of the foundation pit 1 should meet the requirements of railway roadbed design specifications and building foundation base design specifications on the filled foundation, the C-group cohesive soil filler with the liquid limit less than 32% and the plasticity index not more than 12 has no more than 5% of organic content, and also has no need of containing expansive soil, bricks, tiles, stones and building rubbish, and has no need of having blocky bodies, and the filling strength and stability should be ensured.
The construction process of the utility model is as follows:
the first step: constructing a foundation;
the pile foundation 3 of the pile cap is constructed, the pile foundation 3 of the pile cap adopts a rotary digging pile with the diameter of 1000mm, the pile foundation 17 of the pile cap is constructed by adopting a pipe pile with the diameter of 600mm, the pipe wall of 130mm and the pile length of 1500mm, reserved steel bars are connected with the pile cap 4 when the pile foundation 3 of the pile cap is constructed, and the reserved steel bars are connected with the bottom plate 10 of the follow-up U-shaped groove when the pile foundation 17 of the pile cap is constructed;
and a second step of: laying an enclosure structure 2;
the enclosure structure 2 adopts a ground continuous wall 13 with the thickness of 600mm, the ground continuous wall 13 is arranged around the foundation pit 1, the upper part of the ground continuous wall 13 is provided with a concrete crown beam 14, a retaining wall 15 is made by reserving reinforcing steel bars during construction of the concrete crown beam 14, and the concrete crown beams 14 on two sides are connected by using a concrete support 16 to form a complete enclosure support structure;
and a third step of: a bearing platform 4, an upper cover upright post 5 and a cushion layer 7 are applied;
a bearing platform 4 is arranged above bearing platform pile foundations 3 on two sides of a foundation pit 1, one side, close to a ground connecting wall 13, of the bearing platform 4 is connected with the ground connecting wall 13, an upper cover upright post 5 is arranged, the upper cover upright post 5 is connected with bearing platform reserved steel bars, backfilling soil 6 is used for backfilling to below 200mm of the design elevation of the bottom of a U-shaped groove bottom plate 10, and C20 concrete is adopted for forming a 200mm cushion layer 7;
fourth step: a U-shaped groove bottom plate 10 and a U-shaped groove shear wall 11 are manufactured;
the U-shaped groove bottom plate 10 is manufactured, the reserved steel bars are connected when the U-shaped groove bottom plate 10 is manufactured to be the pile reduction and anti-pulling pile 17, and the concrete support 16 can be cut after the construction of the U-shaped groove bottom plate 10 is completed and the concrete strength reaches the design requirement; the U-shaped groove shear wall 11 is manufactured, and vertical grooves 12 which are concave inwards and matched with the upper cover upright posts 5 in position are formed in the U-shaped groove bottom plate 10 and the U-shaped groove shear wall 11;
fifth step: filling gaps between the U-shaped groove shear wall 11 and the upper cover upright post 5;
the U-shaped groove shear wall 11 and the upper cover upright post 5 are filled by extruded polystyrene boards 9 with the thickness of 50 mm;
sixth step: after the construction of the upper cover upright post 5 and the U-shaped groove shear wall 11 is completed, backfilling the foundation pit to the position of the retaining wall 15.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a shock-absorbing structure based on subway U type groove and upper cover stand disconnect-type, includes foundation ditch (1) and enclosure bearing structure (2), its characterized in that, enclosure bearing structure (2) are located foundation ditch (1) all around, foundation ditch (1) both sides are all provided with multiunit cushion cap pile foundation (3) along vertically, are provided with cushion cap (4) above every group cushion cap pile foundation (3), cushion cap (4) top is connected with upper cover stand (5) to adopt backfill (6) to set up cushion layer (7) after backfilling; a plurality of groups of pile reduction and pulling resistant piles (17) are longitudinally arranged in the middle of the foundation pit (1), each group is two, and the pile reduction and pulling resistant piles are positioned between the bearing platforms (4) on the two lateral sides, and a U-shaped groove (8) is connected above the pile reduction and pulling resistant piles (17); u type groove (8) are located bed course (7) top, including U type groove bottom plate (10) and both sides U type groove shear force wall (11), U type groove (8) both sides all are provided with a plurality of vertical recess (12) that are concave into and match with upper cover stand (5) position along vertically, upper cover stand (5) are located and adopt extrusion molding polystyrene board (9) to fill between vertical recess (12) and U type groove shear force wall (11) to adopt backfill soil (6) to backfill between with enclosure bearing structure (2).
2. The damping structure based on the separation of the subway U-shaped groove and the upper cover upright post according to claim 1, wherein the enclosure supporting structure (2) comprises a ground connecting wall (13), a concrete crown beam (14), a retaining wall (15) and a concrete support (16); the underground continuous wall (13) is arranged around, a concrete crown beam (14) is arranged above the underground continuous wall (13), a retaining wall (15) is arranged above the concrete crown beam (14), and the concrete crown beams (14) on two sides are connected through a concrete support (16) to form an integral enclosure support structure.
3. The damping structure based on separation of subway U-shaped grooves and upper cover columns according to claim 2, wherein one side of the bearing platform (4) close to the ground connecting wall (13) is connected with the ground connecting wall (13).
4. The shock absorbing structure based on separation of the subway U-shaped groove and the upper cover upright post according to claim 2, wherein the thickness of the ground continuous wall (13) is 600mm.
5. The damping structure based on separation of the subway U-shaped groove and the upper cover upright post according to claim 2, wherein the foundation pit (1) is backfilled to the position of the retaining wall (15) through backfill soil (6).
6. The damping structure based on separation of subway U-shaped grooves and upper cover columns according to claim 1, wherein the cushion layer (7) is made of C20 concrete and has a thickness of 200mm.
7. The shock absorbing structure based on separation of subway U-shaped groove and upper cover upright post according to claim 1, wherein the thickness of the extruded polystyrene board (9) is 50mm.
8. The damping structure based on separation of subway U-shaped grooves and upper cover columns according to claim 1, wherein the pile foundation (3) of the bearing platform adopts a rotary digging pile with the diameter of 1000 mm.
9. The damping structure based on separation of subway U-shaped grooves and upper cover columns according to claim 1, wherein the pile sinking reducing and pulling resistant pile (17) is a tubular pile with the diameter of 600mm, the wall thickness of 130mm and the pile length of 1500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320473668.2U CN220150394U (en) | 2023-03-13 | 2023-03-13 | Shock-absorbing structure based on separation of subway U-shaped groove and upper cover upright post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320473668.2U CN220150394U (en) | 2023-03-13 | 2023-03-13 | Shock-absorbing structure based on separation of subway U-shaped groove and upper cover upright post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220150394U true CN220150394U (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320473668.2U Active CN220150394U (en) | 2023-03-13 | 2023-03-13 | Shock-absorbing structure based on separation of subway U-shaped groove and upper cover upright post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220150394U (en) |
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2023
- 2023-03-13 CN CN202320473668.2U patent/CN220150394U/en active Active
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