CN113833345A - Rail transit vehicle base for high fill area - Google Patents
Rail transit vehicle base for high fill area Download PDFInfo
- Publication number
- CN113833345A CN113833345A CN202111075308.9A CN202111075308A CN113833345A CN 113833345 A CN113833345 A CN 113833345A CN 202111075308 A CN202111075308 A CN 202111075308A CN 113833345 A CN113833345 A CN 113833345A
- Authority
- CN
- China
- Prior art keywords
- plate
- vehicle base
- transit vehicle
- rail transit
- rail
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 239000004575 stone Substances 0.000 description 4
- 241000272165 Charadriidae Species 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H14/00—Buildings for combinations of different purposes not covered by any single one of main groups E04H1/00-E04H13/00 of this subclass, e.g. for double purpose; Buildings of the drive-in type
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a rail transit vehicle base for a region needing high fill, which comprises an overhead plate, wherein the overhead plate is of a multi-layer concrete frame structure and comprises a top plate, a sandwich plate and a base layer, wherein the top plate, the sandwich plate and the base layer are arranged from top to bottom; the rail running area structure of the rail transit vehicle base is arranged on the top plate and comprises a rail and a rail storehouse; the site front area structure of the rail transit vehicle base is based on the natural ground elevation of the mountainous area and is staggered relative to the rail running area structure; the sandwich plate is provided with a functional room, a car parking lot and a connecting channel; a flood passage is formed between the sandwich plate and the base layer. This technical scheme utilizes overhead plate structural design track traffic vehicle base, can effectively reduce the earthwork engineering, reduces the engineering investment and the construction degree of difficulty to strengthen overall structure stability, effectively control post-construction settlement, and improved land utilization.
Description
Technical Field
The invention relates to the technical field of rail transit engineering, in particular to a rail transit vehicle base structure in a region needing high fill.
Background
When the rail transit vehicle base is located in an area similar to a mountain and hilly land, the rail transit vehicle base is influenced by line conditions or earth and stone balance and often needs to be dug deeply and filled highly; or the vehicle base is located in a plain area, but is influenced by the flood level, and the terrace needs to be lifted greatly. The traditional technology adopts a roadbed high-fill structure, but the high-fill processing can lead to huge earthwork and stone engineering, roadbed retaining engineering and foundation processing engineering on the one hand, and the post-construction settlement and the construction progress are also difficult to control, and on the other hand, the occupied area can be increased, and the great influence is brought to the local ecological environment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a rail transit vehicle base utilizing overhead plates, which can effectively reduce earth and stone engineering, reduce engineering investment and construction difficulty, enhance the stability of the whole structure, effectively control post-construction settlement and improve the land utilization rate.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a rail transit vehicle base for areas needing high fill comprises an overhead plate, wherein the overhead plate is of a multi-layer concrete frame structure and comprises a top plate, a sandwich plate and a base layer which are arranged from top to bottom; the roof is provided with a rail running area structure of a rail transit vehicle base, and the rail running area structure comprises a rail and a rail storehouse; the track traffic vehicle base is characterized in that the site area structure of the track traffic vehicle base is based on the natural ground elevation of the mountainous area and is staggered relative to the track running area structure; the sandwich plate is provided with a functional room, a car parking lot and a connecting channel; a flood passage is formed between the sandwich panel and the base layer.
Further, the roof with the sandwich panel is the beam slab structure, the foundation layer is pile foundation pile cap foundation or enlarges basis or raft foundation and combines cushion cap and ground even roof beam connection structure.
Furthermore, the junction of the overhead plate and the roadbed is in a conical slope connection mode.
Furthermore, a gravel cushion layer is paved on the conical slope surface, and mortar rubbles are paved on the outer layer; and a toe guard wall is arranged at the slope bottom of the conical slope.
Further, the track area structure further comprises a production room, and one or more of a car washer library, a Jade wheel library, a comprehensive maintenance workshop, a substance library and a sundry product library are selectively arranged.
Furthermore, the functional rooms on the sandwich plate comprise a sewage treatment station and/or a voltage reduction substation; the connecting channel comprises a road, an up-down stair and/or an elevator; and a V-type storehouse and a training line are further arranged on the sandwich plate.
Furthermore, the sandwich plate is partially hollowed out.
Furthermore, the overhead plate is provided with a drainage system which comprises a vertical drainage pipe longitudinally arranged along the beam column of the overhead plate, a transverse drainage pipe laid along the top plate and the bottom surface of the sandwich plate and a drainage pipe embedded in the top plate and the sandwich plate; the transverse drain pipe, the longitudinal drain pipe and the drain pipe corresponding to the beam column are connected through a four-way pipe fitting, and the drain pipes at the other positions are communicated with the transverse drain pipe.
Furthermore, the overhead layer is also provided with a waterproof layer; the waterproof layer forms a transverse slope and a longitudinal slope on the local surface of the plate to guide water flow to enter a drain pipe, and the side wall is closed.
Furthermore, the elevation of the foundation layer is set along with the terrain or is unified to be set to be a unified elevation by utilizing an excavation and filling balance mode.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) compared with a roadbed high-fill area, the invention skillfully utilizes the overhead plate structure, does not need to carry out high embankment filling on a large scale in the past, only needs to carry out a small amount of excavation and backfilling of the structural foundation, effectively reduces the construction difficulty, accelerates the construction progress, enhances the safety, and is beneficial to the control of post-construction settlement.
(2) And by adopting an overhead plate structure, earth and stone engineering can be reduced, and water and soil conservation and ecological environment protection are facilitated.
(3) When the vehicle base is positioned in a weak land area, the foundation treatment of the whole filling area by adopting a roadbed high filling means in the prior art is avoided, so that the foundation treatment cost is increased sharply; the invention adopts the overhead plate structure, and only needs to process the basic part of the structure, thereby reducing the engineering investment.
(4) The technical scheme is connected with the roadbed through the conical slope structure, so that the problem of lateral soil pressure is solved, side slope treatment is not needed, and roadbed retaining engineering and occupied area are reduced.
(5) This technical scheme can arrange partial function with room and car parking area because of adopting the built on stilts board structure, can set up the intermediate layer under the built on stilts board to utilize the space stereoscopically, reduce vehicle base land used, effectively improve land utilization.
(6) The stability of the foundation and the building can be enhanced based on the technical characteristics of the overhead plate structure itself.
(7) When the vehicle base is located mountain land area, adopt this technical scheme can utilize the space under the board as the flood discharge passageway, compare the culvert that the road bed height was filled and is set up, have bigger section to possess better flood discharge effect.
(8) The invention is suitable for the vehicle base in the area needing high filling, improves the construction efficiency, increases the economic benefit, the safety and the environmental protection on the premise of ensuring the smooth internal operation process of the vehicle base, and has larger economic and social benefits.
Drawings
Fig. 1 is a floor plan of a rail transit vehicle base of the present invention.
Figure 2 is a plan layout of an overhead plate sandwich panel of the invention.
Fig. 3 is a plan view of the overhead board top panel of the present invention.
Fig. 4 is a floor plan of the base layer of the overhead board of the present invention.
Fig. 5 is a longitudinal cross-sectional view of an overhead board of the invention.
Fig. 6a is a schematic view of a waterproof layer structure according to the present invention.
Fig. 6b is a schematic diagram of a waterproof layer structure according to the present invention.
Fig. 6c is a schematic structural view of the waterproof layer of the present invention at the mouth of the drain pipe.
Fig. 6d is a schematic view of a transverse seam of the waterproof layer of the present invention.
FIG. 7a is a schematic view of a drainage system according to the present invention.
FIG. 7b is a schematic view of a drainage system according to the present invention.
Fig. 8a is an elevation view of the roadbed interface structure of the present invention.
Fig. 8b is a plan view of the structure of the roadbed junction according to the present invention.
Fig. 8c is a schematic view of the structure of the conical slope of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Reference is made to the accompanying drawings. The present embodiment includes an overhead plate 1, and the overhead plate 1 may be arranged in a vehicle section mountain and hill land and be a multi-layer concrete frame structure. The overhead plate 1 comprises a top plate 10, a sandwich plate 11 and a base layer 12 arranged from top to bottom. Wherein, roof 10 is equipped with the rail running district structure of track traffic vehicle base, is equipped with the track on the roof 10 and has the track storehouse, can be applicable to no sediment track and sediment track. The track area structure is also provided with production rooms such as a car washer library 43, a spin wheel library 6, a comprehensive maintenance workshop 44, a material library 4, a sundry library 45 and the like. The structure of the overhead plate 1 does not need to be filled with a large amount of uniform elevations, and the site front area structure of the rail transit vehicle base is based on the natural ground elevations of the mountainous area and is staggered relative to the rail running area structure, namely, the structure lower than the rail running area adopts a sunken structure, or the structure higher than the rail running area adopts a raised structure. The structure of the forecourt area can be arranged with a building complex 9.
The sandwich panel 11 is provided with a functional room, a car park 5 and a connecting passage 46. The connecting passage can be a road, a stair and an elevator which are connected with other parts of a vehicle base, and the functional room comprises a sewage treatment station 2 and a step-down substation 3. The sandwich plate 11 is also provided with a V-type storehouse 8 and a training line 47. Because the part area of the sandwich plate 11 is limited by the requirement of the rail boundary, the upward evacuation stair cannot be arranged, and the area is hollowed out 7 for saving the cost. The arrangement of each region can be reasonably distributed according to the area, the shape and the requirement of the actual sandwich plate 11.
The foundation layer 12 can be selected to adopt a pile foundation to connect a bearing platform foundation or an enlarged foundation or a raft foundation and the like according to the address condition of the field section. The basic elevation can be arranged along with the terrain and can be unified to the same elevation by utilizing a filling and excavating balance mode; the foundation is connected by adopting the ground connecting beam, so that the structural safety is improved.
The top plate 10 and the sandwich plate 11 are arranged as a beam plate structure. The vertical space of overhead board 1 rational utilization, when reducing the field section land, to the area that the rainwater is frequently sent, the space between sandwich panel 11 and the basic unit 12 can also regard as flood passage 13, solves the field section problem of flood discharge.
The junction of the overhead plate 1 and the roadbed adopts a conical slope connection structure. Paving a gravel cushion layer 20 on the slope surface of the conical slope 14 and paving a mortar rubble 21 on the outer layer; the slope bottom of the conical slope 14 is provided with a foot protection wall 22. In this embodiment, the gradient ratio is selected to be 1: 1.5.
In this embodiment, the overhead board is further provided with a drainage system and a waterproof layer, so that the problem of self drainage of the overhead board and the field section is solved. The drainage system comprises a vertical drainage pipe 30 longitudinally arranged along the overhead plate beam column, a transverse drainage pipe 31 laid along the bottom surfaces of the top plate 10 and the sandwich plate 11, and a plurality of drainage pipes 32 and 34 embedded in the top plate 10 and the sandwich plate 11. The transverse drain pipe 31, the longitudinal drain pipe 30 and the drain pipe 32 corresponding to the beam column are connected by a four-way pipe 33, and the drain pipes 34 at the rest positions are communicated with the transverse drain pipe 31 and finally discharged to a ground centralized drainage system.
The waterproof layer 40 is preferably 15-25cm thick and is treated with a transverse short seam 41. The waterproof layer 40 forms a transverse slope 42 on the local plate surface to facilitate guiding water flow into the drainage pipes 32 and 34, and reduce accumulated water on the plate surface. In particular, the peripheral surfaces near the ends of the drain pipes 32, 34 are inclined toward the drain port, thereby improving the drainage effect. And, the waterproof layer 40 is processed at the side wall closing-in.
It should be noted that the above describes exemplifying embodiments of the invention. It will be understood by those skilled in the art, however, that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A rail transit vehicle base for areas needing high fill is characterized by comprising an overhead plate, wherein the overhead plate is of a multi-layer concrete frame structure and comprises a top plate, a sandwich plate and a base layer which are arranged from top to bottom; the roof is provided with a rail running area structure of a rail transit vehicle base, and the rail running area structure comprises a rail and a rail warehouse; the track traffic vehicle base is characterized in that the site area structure of the track traffic vehicle base is based on the natural ground elevation of the mountainous area and is staggered relative to the track running area structure; the sandwich plate is provided with a functional room, a car parking lot and a connecting channel; the sandwich plate and the base layer can be used as a flood passage.
2. The rail transit vehicle base in the area needing high fill of claim 1, wherein the top plate and the sandwich plate are in a beam plate structure, and the foundation layer is a pile foundation or an enlarged foundation or a raft foundation and combines a bearing platform and a ground connection beam connection structure.
3. A rail transit vehicle foundation for areas requiring high fill, as claimed in claim 1, wherein said overhead plate interfaces with the foundation in the form of a tapered ramp junction.
4. A rail transit vehicle base in areas where high fill is required as claimed in claim 3, wherein the slope of the coniferous slope is paved with gravel bedding and the outer layer is paved with grouted rubble; and a toe guard wall is arranged at the slope bottom of the conical slope.
5. The rail transit vehicle base of claim 1, wherein the rail transit vehicle base further comprises a production house, and one or more of a car washer library, a Jade wheel library, a comprehensive maintenance workshop, a material library and a miscellaneous goods library are selectively installed.
6. A rail transit vehicle base of high fill area required according to claim 1, wherein the functional rooms on the sandwich panel include sewage treatment stations and/or step-down substations; the connecting channel comprises a road, an up-down stair and/or an elevator; and a V-type storehouse and a training line are further arranged on the sandwich plate.
7. A rail transit vehicle base in areas where high fill is required as claimed in claim 1 or 6, wherein said sandwich panel portions are openworked.
8. A rail transit vehicle base for areas requiring high fill according to claim 1, wherein said overhead boards are provided with a drainage system comprising vertical drainage pipes arranged along the longitudinal direction of said overhead board beam column, horizontal drainage pipes laid along the bottom surfaces of said top board and said sandwich board, and drainage pipes buried in said top board and said sandwich board; the transverse drain pipe, the longitudinal drain pipe and the drain pipe corresponding to the beam column are connected through a four-way pipe fitting, and the drain pipes at the other positions are communicated with the transverse drain pipe.
9. A rail transit vehicle base in areas where high fill is required as claimed in claim 1 or 7, wherein said elevated level is further provided with a waterproof layer; the waterproof layer forms a transverse slope and a longitudinal slope on the local surface of the plate to guide water flow to enter a drain pipe, and the side wall is closed.
10. The rail transit vehicle base of claim 1, wherein the elevation of the base layer is uniform to a uniform elevation along the terrain or by using a cut and fill balance method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075308.9A CN113833345A (en) | 2021-09-14 | 2021-09-14 | Rail transit vehicle base for high fill area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111075308.9A CN113833345A (en) | 2021-09-14 | 2021-09-14 | Rail transit vehicle base for high fill area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113833345A true CN113833345A (en) | 2021-12-24 |
Family
ID=78959314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111075308.9A Pending CN113833345A (en) | 2021-09-14 | 2021-09-14 | Rail transit vehicle base for high fill area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113833345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059342A (en) * | 2022-06-08 | 2022-09-16 | 中铁二院工程集团有限责任公司 | Urban rail transit overhead type large-frame vehicle base arrangement structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026270A (en) * | 2002-09-23 | 2004-03-31 | 박태진 | Terminal for Guideway transit system |
| DE202005005445U1 (en) * | 2005-04-01 | 2005-07-07 | Msb-Management Gmbh | Platform with canopy |
| AU2008100804A4 (en) * | 2007-12-18 | 2008-09-25 | Jadhav Uttamrao Hanumantrao | An architectural concept |
| CN201460324U (en) * | 2009-08-11 | 2010-05-12 | 中铁第四勘察设计院集团有限公司 | Elevated parking lot of rail transit |
| CN206256455U (en) * | 2016-12-12 | 2017-06-16 | 国网甘肃省电力公司兰州供电公司 | Draining lattice frame beam and draining lattice frame beam bank protection |
| CN108661377A (en) * | 2018-06-20 | 2018-10-16 | 中铁第四勘察设计院集团有限公司 | A kind of rail traffic two-layer vehicle segment structure |
| CN208201546U (en) * | 2018-05-22 | 2018-12-07 | 山西省交通规划勘察设计院 | A kind of reservoir subgrade ruggedized construction of Tailings Dam |
| CN210342156U (en) * | 2019-07-03 | 2020-04-17 | 启迪设计集团股份有限公司 | Urban rail vehicle section upper cover drainage structure |
| CN111502347A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Three-layer single-column assembled elevated station for rail transit |
-
2021
- 2021-09-14 CN CN202111075308.9A patent/CN113833345A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026270A (en) * | 2002-09-23 | 2004-03-31 | 박태진 | Terminal for Guideway transit system |
| DE202005005445U1 (en) * | 2005-04-01 | 2005-07-07 | Msb-Management Gmbh | Platform with canopy |
| AU2008100804A4 (en) * | 2007-12-18 | 2008-09-25 | Jadhav Uttamrao Hanumantrao | An architectural concept |
| CN201460324U (en) * | 2009-08-11 | 2010-05-12 | 中铁第四勘察设计院集团有限公司 | Elevated parking lot of rail transit |
| CN206256455U (en) * | 2016-12-12 | 2017-06-16 | 国网甘肃省电力公司兰州供电公司 | Draining lattice frame beam and draining lattice frame beam bank protection |
| CN208201546U (en) * | 2018-05-22 | 2018-12-07 | 山西省交通规划勘察设计院 | A kind of reservoir subgrade ruggedized construction of Tailings Dam |
| CN108661377A (en) * | 2018-06-20 | 2018-10-16 | 中铁第四勘察设计院集团有限公司 | A kind of rail traffic two-layer vehicle segment structure |
| CN210342156U (en) * | 2019-07-03 | 2020-04-17 | 启迪设计集团股份有限公司 | Urban rail vehicle section upper cover drainage structure |
| CN111502347A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Three-layer single-column assembled elevated station for rail transit |
Non-Patent Citations (2)
| Title |
|---|
| 涂汉卿: "大梨园车辆段场坪竖向设计优化", 《北京交通大学学报》 * |
| 王亚丽: "基于全自动驾驶技术的南京地铁7号线高架车辆段设计", 《城市轨道交通研究》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059342A (en) * | 2022-06-08 | 2022-09-16 | 中铁二院工程集团有限责任公司 | Urban rail transit overhead type large-frame vehicle base arrangement structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102505598B (en) | Method for reinforcement construction of soft soil foundation by exchange-filling with foam lightweight soil | |
| CN103147614B (en) | Pool with multi-layer structure and building method thereof | |
| CN101148886B (en) | Drainage treatment structure for unbuilt or abuilding landfill slope underground water | |
| CN108222060A (en) | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure | |
| CN216640547U (en) | Drainage decompression anti-floating system suitable for weak permeable soft soil stratum | |
| CN113833345A (en) | Rail transit vehicle base for high fill area | |
| CN103556672A (en) | Rainwater harvesting and water storage system for field road and construction method thereof | |
| CN217106418U (en) | Rail transit vehicle base for high fill area | |
| CN110205982B (en) | Channel structure for improving flood control standard of existing river levee and construction method thereof | |
| CN202767031U (en) | Reservoir basin clay paving and seepage preventing structure | |
| CN203113863U (en) | Multi-layer structure water pool | |
| CN208996061U (en) | A kind of structure for deep basal pit underdrain hole position precipitation | |
| CN208797546U (en) | A kind of cable trough | |
| CN207176737U (en) | A kind of mechanical underground parking of inclined shaft | |
| CN208266612U (en) | A kind of town road structure | |
| CN113944107B (en) | Land short pier bridge roadbed filling type bridge loading channel and construction method thereof | |
| CN205171363U (en) | Bridge floor infiltration water's edge is along drainage system | |
| CN210827563U (en) | City underground passage | |
| CN211972919U (en) | Based on tunnel portal half cutting section bed mud pumping renovation system that turns over | |
| CN212247717U (en) | High-fill anti-settlement roadbed structure | |
| CN204000924U (en) | Low buttress type station retaining structure | |
| CN201080614Y (en) | Slope type dry method red mud storage yard water drainage structure | |
| CN208072453U (en) | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure | |
| CN107859060A (en) | A kind of mechanical underground parking of inclined shaft | |
| CN108923344B (en) | Comprehensive pipeline arrangement structure based on energy storage type tramcar engineering |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211224 |