CN111364510A - Backfill structure for upper cover of subway and construction method - Google Patents
Backfill structure for upper cover of subway and construction method Download PDFInfo
- Publication number
- CN111364510A CN111364510A CN202010221503.7A CN202010221503A CN111364510A CN 111364510 A CN111364510 A CN 111364510A CN 202010221503 A CN202010221503 A CN 202010221503A CN 111364510 A CN111364510 A CN 111364510A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- subway
- guide plate
- upper cover
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/006—Foundations for pavings made of prefabricated single units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/001—Pavings made of prefabricated single units on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a backfill structure for an upper cover of a subway, which comprises a plurality of cantilever beams crossing two continuous walls, wherein a plurality of prefabricated cover plates are laid and fixedly connected above the cantilever beams, water collecting grooves are formed in the two sides of the prefabricated cover plates along the extension direction of the subway, a guide plate and a prefabricated road surface are sequentially arranged above the prefabricated cover plates, a plurality of water guiding grooves communicated with the water collecting grooves are formed in the guide plate along the length direction of the guide plate, and a drain pipe communicated with the water collecting grooves is arranged in the continuous walls. Rainwater can enter the flow guide plate through the prefabricated pavement, and the rainwater on the flow guide plate enters the water collecting tank through the water guide groove to be collected and then is discharged through the water discharge pipe.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a backfill structure of an upper cover of a subway and a construction method.
Background
At present, the conditions such as settlement and deformation in subway sections need to be prevented when excavation foundation pits are arranged around the subway in operation. Backfill measures are usually adopted between subways to prevent the influence of the foundation pit construction close to the subways on the subways. Especially, when a permanent road crossing the whole subway section is planned above the subway section (namely, the upper subway cover), the strength of the backfill structure of the upper subway cover needs to meet certain requirements, and meanwhile, if the volume weight of the backfill structure of the upper subway cover is too large, deformation of the subway section is also influenced.
In the prior art, chinese patent with publication number CN205188997U discloses a backfill structure for an upper cover of a subway, which includes a pouring surface layer, the pouring surface layer is composed of a bubble concrete layer and a common concrete layer from bottom to top, and the thickness of the bubble concrete layer is 200 mm. The utility model discloses a structure is backfilled to subway upper cover carries out twice respectively through two kinds of different materials of bubble concrete and ordinary concrete and pours formation backfill structure for the thickness and the quality of backfilling the structure all can satisfy the designing requirement.
The above prior art solutions have the following drawbacks: when a permanent road is laid above the backfill structure, rainwater on the road easily seeps into the backfill structure and seeps into a subway through the backfill structure.
Disclosure of Invention
The invention aims to provide a backfill structure for an upper cover of a subway, which has the advantages of collecting seepage water and reducing seepage water in the subway.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a subway upper cover backfill structure, is including spaning a plurality of cantilever beams of two side diaphragm wall, a plurality of prefabricated apron of fixedly connected with are laid to the cantilever beam top, prefabricated apron is provided with the water catch bowl in its both sides along subway extending direction, prefabricated apron top has set gradually guide plate and prefabricated road surface, the guide plate along its length direction be provided with a plurality of with the guiding gutter of water catch bowl intercommunication, be provided with in the diaphragm wall be used for with the drain pipe that the water catch bowl is linked together.
By adopting the technical scheme, in the process of backfilling the upper cover of the subway, the upper cantilever beam is cast in situ between the two continuous walls, and the prefabricated cover plate is fixedly hoisted on the cantilever beam, because the prefabricated cover plate is prefabricated in a prefabrication factory before construction, the subway is not required to be capped after the subway is directly poured on site, and the construction period is saved; then install the guide plate again on prefabricated apron, hoist and mount the prefabricated road surface again on the guide plate and lay, at the in-process to the subway capping, can lay the road surface on the subway, improved the efficiency of whole construction, simultaneously, the rainwater can see through on the prefabricated road surface enters into the guide plate, rainwater on the guide plate enters into the water catch bowl through the guiding gutter and collects the back and discharge through the drain pipe, has the advantage of collecting the infiltration, reducing infiltration in the subway.
The present invention in a preferred example may be further configured to: the middle parts of the cantilever beams are upwards protruded, the middle parts of the cantilever beams are provided with cross beams along the extension direction of the subway, the lower ends of the cross beams are provided with support columns, two adjacent cantilever beams, the cross beams and the continuous walls form a cavity for accommodating each prefabricated cover plate, and the periphery of each prefabricated cover plate is fixedly connected in the cavity through cast-in-place connecting rods.
Through adopting above-mentioned technical scheme, the cantilever beam middle part is upwards protruding for prefabricated apron is installed according to the shape of cantilever beam, thereby makes to be convenient for form the water guide structure that high both ends are low in the middle of, thereby can conveniently discharge in leading-in water catch bowl with the infiltration again.
The present invention in a preferred example may be further configured to: the guide plate is detachably connected to the prefabricated cover plate.
Through adopting above-mentioned technical scheme, can dismantle the guide plate and connect on prefabricated apron, will prefabricate the apron installation again and accomplish the back, constructor installs the guide plate on prefabricated apron again, construction convenience, the time limit for a project is shorter, has improved the efficiency of construction.
The present invention in a preferred example may be further configured to: and a waterproof layer is arranged on the upper surface of the guide plate.
Through adopting above-mentioned technical scheme, be provided with the waterproof layer on the guide plate, reduce the infiltration and see through the guide plate and enter into prefabricated apron on to see through prefabricated apron and cause the infiltration.
The present invention in a preferred example may be further configured to: and the guide plate and the prefabricated pavement are provided with shock-absorbing layers.
Through adopting above-mentioned technical scheme, through be provided with the buffer layer between guide plate and prefabricated road surface, can effectively cushion the vehicle and go the pressure of in-process to prefabricated apron at prefabricated road surface.
The present invention in a preferred example may be further configured to: and a bearing rod for supporting the prefabricated pavement is vertically arranged in the damping layer along the direction perpendicular to the extension direction of the subway, and two ends of the bearing rod are inserted above the continuous wall.
By adopting the technical scheme, because the two ends of the bearing rod are inserted into the foundation above the continuous wall and are not directly solidified with the continuous wall, the bearing rod bears the pressure on the prefabricated pavement, the compression of the prefabricated cover plate is reduced, and the normal operation of the subway is ensured.
The present invention in a preferred example may be further configured to: the bearing rod upper surface is provided with the grafting pole, the epitaxy on prefabricated road surface be provided with the grafting hole of grafting cooperation of grafting pole.
Through adopting above-mentioned technical scheme, hoist the in-process on the bearing bar with prefabricated road surface, through the cooperation of spliced pole and spliced eye, be convenient for install prefabricated road surface to the bearing bar on.
The invention also aims to provide a construction method for backfilling the upper cover of the subway, which has the advantages of collecting seepage water, reducing the seepage water in the subway and improving the construction efficiency.
The second purpose of the invention is realized by the following technical scheme:
a backfill construction method for an upper cover of a subway comprises the following steps:
step one, pouring the cantilever beams and the support columns on the continuous wall, pouring the cross beams in the middle of the cantilever beams along the extension direction of the subway, hoisting the prefabricated cover plates in a cavity for accommodating each prefabricated cover plate formed by two adjacent cantilever beams, the cross beams and the continuous wall, and pouring concrete on the periphery of each prefabricated cover plate, the cantilever beams, the cross beams and the continuous wall respectively to form a whole;
secondly, mounting the guide plate on the upper surface of the prefabricated cover plate, communicating a water guide groove of the guide plate with the water collecting groove, and arranging the waterproof layer on the prefabricated cover plate;
thirdly, laying the damping layer on the waterproof layer, embedding the bearing rod in the damping layer, and inserting two ends of the bearing rod into the foundation above the continuous wall;
and step four, hoisting the prefabricated pavement to the bearing rod, splicing and matching the splicing holes of the prefabricated pavement with the splicing rods on the bearing rod, welding the splicing rods and the splicing holes, and pouring concrete between two adjacent prefabricated pavements to form a whole, thereby completing the backfill of the upper cover of the subway.
By adopting the technical scheme, in the process of backfilling the upper cover of the subway, the upper cantilever beam is cast in situ between the two continuous walls, the prefabricated cover plate is hoisted to a cavity formed by the two adjacent cantilever beams, the cross beam and the continuous walls, then the guide plate is installed on the prefabricated cover plate, the prefabricated pavement is hoisted and laid on the guide plate, rainwater can enter the guide plate through the prefabricated pavement, and the rainwater on the guide plate enters the water collecting tank through the water guide groove to be collected and then is discharged through the water discharge pipe; then the damping layer is arranged on the waterproof layer, and the prefabricated pavement is arranged on the damping layer, so that the method has the advantages of collecting water seepage, reducing water seepage in the subway, saving construction period and improving construction efficiency
The present invention in a preferred example may be further configured to: in the third step, the shock absorption layer adopts a sand soil body with the porosity of 28% -35%.
Through adopting above-mentioned technical scheme, the buffer layer can effectively carry out the shock attenuation, alleviates buffer layer upper end pressure to reduce the pressure that prefabricated apron bore.
The present invention in a preferred example may be further configured to: and in the fourth step, a pervious concrete layer is arranged in the prefabricated pavement.
Through adopting above-mentioned technical scheme, can reduce the ponding of prefabricated road surface top, effectively carry out the drainage to prefabricated road surface.
In summary, the invention includes at least one of the following beneficial technical effects:
1. in the process of backfilling the upper cover of the subway, the upper cantilever beam is cast in situ between the two continuous walls, and the prefabricated cover plate is fixedly hoisted on the cantilever beam, so that the prefabricated cover plate is prefabricated in a prefabrication factory before construction, the subway is not required to be capped after the subway is directly poured on site, and the construction period is saved; then install the guide plate on the prefabricated cover plate, hoist and mount the prefabricated road surface on the guide plate and lay, in the course of capping to the subway, can lay the road surface on the subway, has raised the efficiency of the whole construction, meanwhile, rainwater can enter into the guide plate through the prefabricated road surface, rainwater on the guide plate enters the water catch bowl and collects and discharges through the drain pipe through the water guide trough, have collect the advantage of seeping water, reducing the seepage in the subway;
2. the middle part of the cantilever beam is upwards protruded, so that the prefabricated cover plate is installed according to the shape of the cantilever beam, a water guide structure with a high middle part and two low ends is conveniently formed, and seepage water can be conveniently guided into a water collection tank and then discharged;
3. the two ends of the bearing rod are inserted into the foundation above the continuous wall, and are not directly solidified with the continuous wall, so that the bearing rod bears the pressure on a prefabricated pavement, the compression of the prefabricated cover plate is reduced, and the normal operation of the subway is ensured.
Drawings
FIG. 1 is an overall schematic diagram of a backfill structure of an upper cover of a subway;
FIG. 2 is an exploded view of a backfill structure of an upper cover of a subway;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a continuous wall; 2. a cantilever beam; 3. prefabricating a cover plate; 4. a water collection tank; 5. a baffle; 6. prefabricating a pavement; 7. a water chute; 8. a drain pipe; 9. a cross beam; 10. a support pillar; 11. a cavity; 12. a waterproof layer; 13. a shock-absorbing layer; 14. a load-bearing bar; 15. a plug rod; 16. inserting holes; 17. and a pervious concrete layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1 and 2, the backfill structure for the upper cover of the subway disclosed by the invention comprises a plurality of cantilever beams 2 crossing two continuous walls 1 in a subway foundation pit, the distance between every two adjacent cantilever beams 2 is 8m, and the specific number of the cantilever beams 2 is set according to the extension length of the subway. The middle of each cantilever beam 2 protrudes upwards, a beam 9 is cast in the middle of each cantilever beam 2 along the extension direction of the subway, a support column 10 is cast at the lower end of each beam 9, two adjacent cantilever beams 2, the beams 9 and the continuous wall 1 form a cavity 11, a prefabricated cover plate 3 for sealing the top of the subway upper cover is hung in the cavity 11, and the periphery of the prefabricated cover plate 3 is fixedly connected into the cavity 11 through cast-in-place connecting rods, so that the prefabricated cover plate 3 is integrated with the cantilever beams 2, the beams 9 and the continuous wall 1 respectively.
With reference to fig. 2 and 3, a bolt hole is reserved on the prefabricated cover plate 3, and water collecting grooves 4 are arranged on two sides of the prefabricated cover plate 3 along the extension direction of the subway. The prefabricated cover plate 3 is connected with a guide plate 5 through bolts, the guide plate 5 is provided with a plurality of water guide grooves 7 communicated with the water collecting tank 4 along the length direction of the guide plate 5, and a drain pipe 8 communicated with the water collecting tank 4 is arranged in the continuous wall 1 and used for draining the seepage water collected in the water collecting tank 4. The upper surface of the guide plate 5 is provided with a waterproof layer 12, in this embodiment, the guide plate 5 is made of light stainless steel, and the waterproof layer 12 coated on the guide plate 5 is made of waterproof polyurethane sealing paint.
Referring to fig. 2 and 3, the guide plate 5 and the prefabricated pavement 6 are provided with a shock absorption layer 13, and the shock absorption layer 13 is made of a sand soil body with porosity of 28% -35%. And a bearing rod 14 is vertically arranged in the shock absorption layer 13 along the direction vertical to the extension direction of the subway, and two ends of the bearing rod 14 are inserted above the continuous wall 1 and are not directly connected with the connecting wall, so that pressure transmission cannot be directly generated. Precast pavement 6 is hoisted on the shock-absorbing layer 13, an inserting rod 15 is arranged on the upper surface of the bearing rod 14, and an inserting hole 16 which is matched with the inserting rod 15 in an inserting manner is arranged on the extension of the precast pavement 6, so that the precast pavement 6 can be conveniently positioned and installed.
The embodiment also discloses a construction method for backfilling the upper cover of the subway, which comprises the following steps:
firstly, pouring support columns 10 in the middle of a foundation pit along the extension direction of a subway in the subway foundation pit, wherein the distance between every two adjacent support columns 10 is 8m, pouring a cross beam 9 on each support column 10, connecting the upper ends of the support columns 10 together, pouring cantilever beams 2 above a continuous wall 1 and the cross beam 9 of the subway foundation pit, hoisting prefabricated cover plates 3 into a cavity 11 for accommodating each prefabricated cover plate 3 formed by the two adjacent cantilever beams 2, the cross beam 9 and the continuous wall 1, pouring concrete around the prefabricated cover plates 3 and gaps among the cantilever beams 2, the cross beam 9 and the continuous wall 1 respectively to form a whole, and maintaining until the concrete reaches corresponding strength;
secondly, installing the guide plate 5 on the upper surface of the prefabricated cover plate 3 through bolts, wherein in the embodiment, the guide plate 5 is made of light stainless steel materials, the water guide groove 7 of the guide plate 5 is communicated with the water tank, and then a waterproof layer 12 is coated on the guide plate 5, wherein in the embodiment, the waterproof layer 12 is waterproof polyurethane sealing paint;
thirdly, laying a shock absorption layer 13 on the waterproof layer 12, wherein in the embodiment, the shock absorption layer 13 is made of a sand soil body with the porosity of 28% -35%, so that the pressure applied to the upper layer of the prefabricated cover plate 3 is favorably reduced, the shock absorption layer 13 is constructed flatly in the construction process of the shock absorption layer 13, the prefabricated bearing rod 14 is embedded in the shock absorption layer 13, two ends of the bearing rod 14 are poured into the foundation above the continuous wall 1 and are not directly abutted to the continuous wall 1, and the stress of the subway foundation pit is favorably reduced;
and step four, hoisting the permeable concrete layer 17 and the prefabricated pavement 6 to the bearing rod 14 in sequence, splicing and matching the splicing holes 16 of the permeable concrete layer 17 and the prefabricated pavement 6 with the splicing rods 15 on the bearing rod 14 respectively, welding the splicing rods 15 and the splicing holes 16, pouring concrete between two adjacent prefabricated pavements 6 to form a whole, and completing the backfilling of the upper cover of the subway when the concrete reaches corresponding strength.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a subway upper cover backfill structure, includes a plurality of cantilever beams (2) that span two sides diaphragm wall (1), its characterized in that: cantilever beam (2) top is laid and a plurality of prefabricated apron (3) of fixedly connected with, prefabricated apron (3) are provided with water catch bowl (4) in its both sides along subway extending direction, prefabricated apron (3) top has set gradually guide plate (5) and prefabricated road surface (6), guide plate (5) along its length direction be provided with a plurality of with water guide tank (7) of water catch bowl (4) intercommunication, be provided with in diaphragm wall (1) be used for with drain pipe (8) that water catch bowl (4) are linked together.
2. The backfill structure for the upper cover of the subway according to claim 1, characterized in that: the middle of each cantilever beam (2) is upwards raised, a cross beam (9) is arranged in the middle of each cantilever beam (2) along the extension direction of the subway, a support column (10) is arranged at the lower end of each cross beam (9), two adjacent cantilever beams (2), the cross beams (9) and the continuous wall (1) form a cavity (11) for accommodating each prefabricated cover plate (3), and the periphery of each prefabricated cover plate (3) is fixedly connected into the cavity (11) through cast-in-place connecting rods.
3. The backfill structure for the upper cover of the subway according to claim 1, characterized in that: the guide plate (5) is detachably connected to the prefabricated cover plate (3).
4. The backfill structure for the upper cover of the subway according to claim 1, characterized in that: and a waterproof layer (12) is arranged on the upper surface of the guide plate (5).
5. The backfill structure for the upper cover of the subway according to claim 1, characterized in that: the guide plate (5) and the prefabricated pavement (6) are provided with a damping layer (13).
6. The backfill structure for the upper cover of the subway according to claim 5, characterized in that: and a bearing rod (14) used for supporting the prefabricated pavement (6) is vertically arranged in the shock absorption layer (13) along the extension direction of the subway, and two ends of the bearing rod (14) are inserted into the upper part of the continuous wall (1).
7. The backfill structure for the upper cover of the subway according to claim 6, characterized in that: an inserting rod (15) is arranged on the upper surface of the bearing rod (14), and an inserting hole (16) which is matched with the inserting rod (15) in an inserting mode is arranged on the extension of the prefabricated pavement (6).
8. A construction method for backfilling an upper cover of a subway adopts the backfill structure of the upper cover of the subway as in any one of claims 1-7, and is characterized by comprising the following steps:
firstly, pouring the cantilever beams (2) and the support columns (10) on the continuous wall (1), pouring the cross beams (9) in the middles of the cantilever beams (2) along the extension direction of the subway, then hoisting the prefabricated cover plates (3) in cavities (11) formed by two adjacent cantilever beams (2), the cross beams (9) and the continuous wall (1) and used for accommodating each prefabricated cover plate (3), and pouring concrete on the peripheries of the prefabricated cover plates (3) and the cantilever beams (2), the cross beams (9) and the continuous wall (1) respectively to form a whole;
secondly, mounting the guide plate (5) on the upper surface of the prefabricated cover plate (3), communicating a water guiding groove (7) of the guide plate (5) with the water collecting groove (4), and arranging the waterproof layer (12) on the prefabricated cover plate (3);
thirdly, laying the damping layer (13) on the waterproof layer (12), embedding the bearing rod (14) in the damping layer (13), and inserting two ends of the bearing rod (14) into a foundation above the continuous wall (1);
and fourthly, hoisting the prefabricated pavement (6) to the bearing rod (14), splicing and matching the splicing holes (16) of the prefabricated pavement (6) with the splicing rods (15) on the bearing rod (14), welding the splicing rods (15) and the splicing holes (16), and pouring concrete between two adjacent prefabricated pavements (6) to form a whole to finish backfilling the upper cover of the subway.
9. The construction method for backfilling the upper cover of the subway according to claim 8, characterized in that: in the third step, the shock absorption layer (13) adopts a sand soil body with the porosity of 28-35%.
10. The construction method for backfilling the upper cover of the subway according to claim 8, characterized in that: and in the fourth step, a permeable concrete layer (17) is arranged in the prefabricated pavement (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221503.7A CN111364510A (en) | 2020-03-26 | 2020-03-26 | Backfill structure for upper cover of subway and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010221503.7A CN111364510A (en) | 2020-03-26 | 2020-03-26 | Backfill structure for upper cover of subway and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111364510A true CN111364510A (en) | 2020-07-03 |
Family
ID=71204665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010221503.7A Pending CN111364510A (en) | 2020-03-26 | 2020-03-26 | Backfill structure for upper cover of subway and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111364510A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204039856U (en) * | 2014-07-23 | 2014-12-24 | 深圳市致道景观有限公司 | Row's water-seepage type is mated formation combining structure |
| CN104947710A (en) * | 2015-05-27 | 2015-09-30 | 广东省建筑设计研究院 | Underground anti-radiation rigid self-waterproofing building structure and construction method thereof |
| CN106337686A (en) * | 2015-07-13 | 2017-01-18 | 中铁第六勘察设计院集团有限公司 | Rock stratum underground excavation three-story subway station umbrella cover structure and construction method thereof |
| CN207863558U (en) * | 2018-01-25 | 2018-09-14 | 北京百耐尔防水工程有限公司 | A kind of underground garage being equipped with waterproof brick |
| CN109322328A (en) * | 2018-11-27 | 2019-02-12 | 上海应用技术大学 | A kind of extremely frigid zones subway station top plate guarded drainage method and system |
| CN209324067U (en) * | 2018-12-20 | 2019-08-30 | 北京建工路桥集团有限公司 | Metro vehicle maintenance base top structure |
| CN209339531U (en) * | 2018-12-27 | 2019-09-03 | 东华理工大学长江学院 | A kind of underground garage sunk type vented exhaust vertical shaft |
| CN110424795A (en) * | 2019-08-28 | 2019-11-08 | 吉林大学 | A kind of external hanging type novel intelligent and energy-efficient high-efficient solid parking lot |
| CN110884516A (en) * | 2019-12-17 | 2020-03-17 | 中车长春轨道客车股份有限公司 | Subway vehicle air conditioning unit mounting platform |
| CN212642763U (en) * | 2020-06-02 | 2021-03-02 | 中铁七局集团武汉工程有限公司 | Non-column subway station structure |
-
2020
- 2020-03-26 CN CN202010221503.7A patent/CN111364510A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204039856U (en) * | 2014-07-23 | 2014-12-24 | 深圳市致道景观有限公司 | Row's water-seepage type is mated formation combining structure |
| CN104947710A (en) * | 2015-05-27 | 2015-09-30 | 广东省建筑设计研究院 | Underground anti-radiation rigid self-waterproofing building structure and construction method thereof |
| CN106337686A (en) * | 2015-07-13 | 2017-01-18 | 中铁第六勘察设计院集团有限公司 | Rock stratum underground excavation three-story subway station umbrella cover structure and construction method thereof |
| CN207863558U (en) * | 2018-01-25 | 2018-09-14 | 北京百耐尔防水工程有限公司 | A kind of underground garage being equipped with waterproof brick |
| CN109322328A (en) * | 2018-11-27 | 2019-02-12 | 上海应用技术大学 | A kind of extremely frigid zones subway station top plate guarded drainage method and system |
| CN209324067U (en) * | 2018-12-20 | 2019-08-30 | 北京建工路桥集团有限公司 | Metro vehicle maintenance base top structure |
| CN209339531U (en) * | 2018-12-27 | 2019-09-03 | 东华理工大学长江学院 | A kind of underground garage sunk type vented exhaust vertical shaft |
| CN110424795A (en) * | 2019-08-28 | 2019-11-08 | 吉林大学 | A kind of external hanging type novel intelligent and energy-efficient high-efficient solid parking lot |
| CN110884516A (en) * | 2019-12-17 | 2020-03-17 | 中车长春轨道客车股份有限公司 | Subway vehicle air conditioning unit mounting platform |
| CN212642763U (en) * | 2020-06-02 | 2021-03-02 | 中铁七局集团武汉工程有限公司 | Non-column subway station structure |
Non-Patent Citations (1)
| Title |
|---|
| 张彬等: "《地下轨道交通围岩稳定模拟方法与工程应用》", 31 December 2017, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100892137B1 (en) | Rahmen typed underground tunnel construction method using lateral psc beam | |
| CN104878776B (en) | A kind of underground shallow layer automatic parking garage the library structure | |
| CN211144503U (en) | High steep topography bridge tunnel meets section open cut tunnel and connects long structure | |
| CN113217022B (en) | Construction method of weak surrounding rock tunnel cave collapse foam concrete backfill structure | |
| CN112726692A (en) | Multi-defense line vibration control method for ancient building | |
| CN113073540A (en) | Pile-beam integrated fully-prefabricated assembled bridge substructure, bridge and construction method thereof | |
| CN111322089A (en) | Vault prefabricated assembled tunnel and construction method | |
| CN105064711A (en) | Method for constructing underground garage between residential buildings | |
| CN213143117U (en) | Assembled keyway basis retaining wall structure | |
| CN116949880A (en) | Assembled concrete U-shaped structure and construction method | |
| CN109403224B (en) | Cover plate culvert cast-in-place roof truss type slip form system and construction method | |
| CN111364510A (en) | Backfill structure for upper cover of subway and construction method | |
| KR100438795B1 (en) | Design method about center wall of three arch tunnel the upside fixing type of lining excavation method | |
| CN215906845U (en) | Large-span vestibule mounting structure in foundation pit | |
| CN113309137A (en) | Construction method of counterfort assembled retaining wall | |
| CN113152512A (en) | Gravity type retaining wall and construction method | |
| CN104912200B (en) | Building method of underground shallow layer fully automatic parking garage | |
| CN113186977A (en) | Reverse-order construction method for underground comprehensive pipe gallery | |
| CN111926834A (en) | Non-excavation type micro pile group/pile bundle plate wall supporting structure and construction method | |
| CN221663848U (en) | Assembled rain sewage well | |
| CN220079740U (en) | Stable tunnel anchor | |
| CN215857848U (en) | Assembled utility tunnel | |
| CN220550393U (en) | Impervious road infrastructure | |
| CN215948100U (en) | Underdrain reinforcing combination system | |
| CN113236266B (en) | Construction method for constructing standard segment water collection pit of shield pipe gallery by utilizing steel pipe sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200703 |