CN204491540U - Drainage structures is prevented to underground factory building shaft - Google Patents
Drainage structures is prevented to underground factory building shaft Download PDFInfo
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- CN204491540U CN204491540U CN201520036283.5U CN201520036283U CN204491540U CN 204491540 U CN204491540 U CN 204491540U CN 201520036283 U CN201520036283 U CN 201520036283U CN 204491540 U CN204491540 U CN 204491540U
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- vertical shaft
- shaft
- concrete
- permeable pipe
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a drainage structures is prevented to underground factory building shaft, include the main hole and the shaft of being qualified for the next round of competitions that link to each other through the corridor of being qualified for the next round of competitions, the shaft of being qualified for the next round of competitions comprises shaft bottom plate and the shaft pit shaft of being qualified for the next round of competitions that links to each other all around with the shaft bottom plate, the shaft pit shaft of being qualified for the next round of competitions includes that first stage spouts concrete and second stage lining concrete and constitutes, first stage is spouted and is provided with waterproof drainage layer between concrete and the second stage lining concrete, waterproof drainage layer is including setting up the pipe, buffer layer and the waterproof board of permeating water in first stage spouting the concrete, the pipe of permeating water. The utility model can effectively lead and collect the leakage drainage of the rock wall, reduce the cracking of the secondary lining concrete and has good waterproof and anti-seepage effects; in addition, the structure can reduce the arrangement of drain holes of the system, and only random drain holes are arranged at the positions with serious leakage, so that the structure has the advantages of safety, environmental protection, convenient construction, high comprehensive economic benefit and the like.
Description
Technical field
The utility model belongs to water conservancy and hydropower technical field, specifically relates to a kind of underground power house vertical shaft waterproof/drainage structure.
Background technology
After current most of underground power house shaft excavation all there is leakage problem in crag, if not ejectment in addition, vertical shaft lining cutting will bear very large groundwater pressure, thus cause vertical shaft concrete lining to need to thicken, arrangement of reinforcement also can be very large, and vertical shaft lining concrete is in hardening process, inside also exists thermal stresses and shrinkage stress, the existence of these stress can make concrete produce distortion, and it is pneumatically placed concrete rough surface, uneven, sizable restraint forces will inevitably be produced to lining concrete, stop it to be out of shape, so just create tensile stress.When tensile stress is greater than lining concrete tensile strength, namely lining concrete is become percolating water passage by drawing crack, be unfavorable for electric fixtures safe operation in vertical shaft, therefore necessaryly effective waterproof and drain measure taked to vertical shaft, to carry out the anti-row of crag seepage in underground.Current most domestic powerhouse of hydropower station vertical shaft adopts weeper drain (material) to carry out draining, the inefficacy but french drain is easily blocked, and drainage effect is undesirable, and is not easy to construction, and construction cost is higher.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of underground power house vertical shaft waterproof/drainage structure, and this structure ring ensures safety, moderate, respond well, easy construction.
The utility model is achieved by following technical solution.
A kind of underground power house vertical shaft waterproof/drainage structure, comprise the main transformer hole and outlet vertical shaft that are connected by bus gallery, described outlet vertical shaft is made up of shaft floor and the outlet vertical shaft that is connected with shaft floor surrounding, described outlet vertical shaft comprises first phase pneumatically placed concrete and the second stage of lining concrete composition, guarded drainage layer is provided with between described first phase pneumatically placed concrete and the second stage of lining concrete, described guarded drainage layer comprises the water-permeable pipe, cushion coat and the splash guard that are arranged in first phase pneumatically placed concrete, is also provided with concrete electric stair shaft pit shaft in described underground power house vertical shaft.
Described water-permeable pipe comprises the longitudinal water-permeable pipe, upper strata annular water-permeable pipe and the bottom annular water-permeable pipe that are interconnected.
Described bottom annular water-permeable pipe is arranged on the second stage of lining concrete, and is communicated with the gutter be arranged on shaft floor by transverse water drain pipe.
Described gutter is also provided with gutter by concrete lining position.
Described longitudinal water-permeable pipe, upper strata annular water-permeable pipe and bottom annular water-permeable pipe all adopt type TS-bullet of putting more energy into mould flexible porous tube.
Described cushion coat adopts 300g/m
2geotechnological non-woven fabrics.
Described splash guard employing thickness is the EVA splash guard of 1.2mm, and the wide cut of splash guard is not less than 2m.
Described transverse water drain pipe employing diameter is the HDPE pipe of 100mm.
The diameter of described longitudinal water-permeable pipe and upper strata annular water-permeable pipe is 50mm.
The diameter of described bottom annular water-permeable pipe is 80mm.
The beneficial effects of the utility model are:
Compared with prior art, the utility model can effectively ejectment and collect crag seepage drainage, and reduce the concrete cracking of secondary lining, waterproof, seepage control is effective; This form of structure can also reduce the setting in System drainage hole in addition, only arranges random drain hole at the more serious place of seepage, has safety and environmental protection, easy construction, overall economic efficiency advantages of higher;
Meanwhile, adopt type TS-bullet of putting more energy into mould flexible porous tube, its row, infiltration effect by force, integrate water suction, permeable, draining, have the voltage endurance capability and water permeability and reverse filter effect that meet engineering design requirements.Not because of geology, geographical variations in temperature and rupturing, and the effect of discharge clean water can be reached, secondary pollution can not be caused to environment, belong to novel environment friendly product.Because of its easy construction, non junction, to geology, landform without particular/special requirement, any needs place of dark draining can indiscriminately ad. as one wishes use;
Secondly, adopt non-woven geotextile have certain lear energy and be well out of shape adaptive capacity, there is good flat drainage ability simultaneously, the effects such as good filtration, isolation, reinforcement, protection can be played;
Again, EVA splash guard is waterproof, ganoid plastic sheet, and it not only plays waterproof action, and can also isolate, lubricates just sprayed mortar and secondary lining concrete, reduces the concrete cracking of secondary lining; Have good flexibility, pliability, elasticity, weatherability, environmental stress crack resistance and adhesive property, waterproof, seepage control performance is fabulous, asepsis environment-protecting, long service life, every mechanical index is all higher than common polythene, very convenient in construction, and welding effect is very good.
Accompanying drawing explanation
Fig. 1 is section plan of the present utility model;
Fig. 2 is the utility model downstream face sectional view;
Fig. 3 is ring direction drainpipe cross section structure enlarged diagram in the utility model;
Fig. 4 is the structure for amplifying schematic diagram of bottom transverse water drain pipe in the utility model.
In figure: the longitudinal water-permeable pipe of 1-, 2-upper strata annular water-permeable pipe, 3-bottom annular water-permeable pipe, 4-transverse water drain pipe, 5-gutter, 6-splash guard, 7-cushion coat, 8-first phase pneumatically placed concrete, 9-second phase lining concrete, 10-concrete electric stair shaft pit shaft, 11-gutter, 12-shaft floor, 13-main transformer hole, 14-outlet vertical shaft, 15-bus gallery.
Detailed description of the invention
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figures 1 to 4, a kind of underground power house vertical shaft waterproof/drainage structure described in the utility model, comprise the main transformer hole 13 and outlet vertical shaft 14 that are connected by bus gallery 15, described outlet vertical shaft 14 is made up of shaft floor 12 and the outlet vertical shaft that is connected with shaft floor 12 surrounding, described outlet vertical shaft comprises first phase pneumatically placed concrete 8 and the second stage of lining concrete 9 forms, guarded drainage layer is provided with between described first phase pneumatically placed concrete 8 and the second stage of lining concrete 9, described guarded drainage layer comprises the water-permeable pipe be arranged in first phase pneumatically placed concrete 8, cushion coat 7 and splash guard 6, concrete electric stair shaft pit shaft 10 is also provided with in described underground power house vertical shaft.The technical program is after shaft excavation completes, and first construct first phase pneumatically placed concrete 8 and anchor pole, the second stage of lining concrete 9 of then constructing, because vertical shaft major part is all deep, therefore needs to arrange elevator, thus in vertical shaft, need concrete electric stair shaft pit shaft 10.
Described water-permeable pipe comprises the longitudinal water-permeable pipe 1, upper strata annular water-permeable pipe 2 and the bottom annular water-permeable pipe 3 that are interconnected.
Described bottom annular water-permeable pipe 3 is arranged on the second stage of lining concrete 9, and is communicated with the gutter 11 be arranged on shaft floor 12 by transverse water drain pipe 4.Gutter 11 is generally be positioned at shaft floor 12, by the base plate of bus gallery 15, water is guided to gutter, main transformer hole 13, and then discharged to main building collecting well.11 1 sections, gutter is positioned at outlet vertical shaft 14 inside, and it is inner that another section is positioned at bus gallery 15.
Described gutter 11 is also provided with gutter 5 by concrete lining position.DN100UPVC gutter is preferentially selected in the technical program.
Described longitudinal water-permeable pipe 1, upper strata annular water-permeable pipe 2 and bottom annular water-permeable pipe 3 all adopt type TS-bullet of putting more energy into mould flexible porous tube.
Described cushion coat 7 adopts 300g/m
2geotechnological non-woven fabrics.
Described splash guard 6 adopts thickness to be the EVA splash guard of 1.2mm, and the wide cut of splash guard 6 is not less than 2m.
Described transverse water drain pipe 4 adopt diameter be 100mm HDPE pipe.
The diameter of described longitudinal water-permeable pipe 1 and upper strata annular water-permeable pipe 2 is 50mm.
The diameter of described bottom annular water-permeable pipe 3 is 80mm.
Also anchor pole is provided with in described first phase pneumatically placed concrete 8.By first phase pneumatically placed concrete 8 and the anchor pole first liner timbering as underground power house vertical shaft well body.
Described the second stage of lining concrete 9 is as the second stage of supporting of underground power house vertical shaft well body and moisture-proof construction, and the antiseepage grade of the second stage of lining concrete 9 is not less than S8.
The technical program in the specific implementation, grow by force hole section according to engineering practice at underground water and lay by outermost layer water-permeable pipe.Together, the every 10m in general location arranges together the every 5m of water abundant ground circle draining water-permeable pipe; The every 10m of vertical diversion water-permeable pipe together, arrange by hydrous fluids encryption; Different-diameter water-permeable pipe intersection arranges 4 siphunculus or 3 siphunculus, the every 10m of bottom hoop water-permeable pipe arranges one HDPE transverse water drain pipe, the every 5m of water abundant ground arranges together, crag infiltration is collected to shaft floor concrete gutter is discharged into factory building collecting well again and concentrates pump drainage by transverse water drain pipe.
The construction sequence of the technical program is as follows:
The first step, carries out pneumatically placed concrete and bolt support after shaft excavation, processes sprayed mortar basal plane projection;
Second step, lay guarded drainage layer, first lay that one deck is more soft and sheet material-the geotextiles with suitable intensity makes cushion coat, then adopt without nail laying construction technique, lay EVA splash guard, between splash guard, weld seam adopts hot air welding, and weld seam lap length is 10cm, for double slit, aeration after welding, is adopted to detect every bar weld seam;
3rd step, builds lining waterproof concrete.
Claims (10)
1. a underground power house vertical shaft waterproof/drainage structure, comprise the main transformer hole (13) and outlet vertical shaft (14) that are connected by bus gallery (15), described outlet vertical shaft (14) is made up of shaft floor (12) and the outlet vertical shaft that is connected with shaft floor (12) surrounding, described outlet vertical shaft comprises first phase pneumatically placed concrete (8) and the second stage of lining concrete (9) composition, it is characterized in that: between described first phase pneumatically placed concrete (8) and the second stage of lining concrete (9), be provided with guarded drainage layer, described guarded drainage layer comprises the water-permeable pipe be arranged in first phase pneumatically placed concrete (8), cushion coat (7) and splash guard (6), concrete electric stair shaft pit shaft (10) is also provided with in described underground power house vertical shaft.
2. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 1, is characterized in that: described water-permeable pipe comprise be interconnected longitudinal water-permeable pipe (1), upper strata annular water-permeable pipe (2) and bottom annular water-permeable pipe (3).
3. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 2, it is characterized in that: described bottom annular water-permeable pipe (3) is arranged on the second stage of lining concrete (9), and is communicated with the gutter (11) be arranged on shaft floor (12) by transverse water drain pipe (4).
4. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 3, is characterized in that: described gutter (11) are also provided with gutter (5) by concrete lining position.
5. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 2, is characterized in that: described longitudinal water-permeable pipe (1), upper strata annular water-permeable pipe (2) and bottom annular water-permeable pipe (3) all adopt type TS-bullet of putting more energy into mould flexible porous tube.
6. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 1, is characterized in that: described cushion coat (7) adopts 300g/m
2geotechnological non-woven fabrics.
7. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 1, is characterized in that: described splash guard (6) employing thickness is the EVA splash guard of 1.2mm, and the wide cut of splash guard (6) is not less than 2m.
8. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 3, is characterized in that: described transverse water drain pipe (4) employing diameter is the HDPE pipe of 100mm.
9. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 2, is characterized in that: the diameter on described longitudinal water-permeable pipe (1) and upper strata annular water-permeable pipe (2) is 50mm.
10. a kind of underground power house vertical shaft waterproof/drainage structure according to claim 2, is characterized in that: the diameter of described bottom annular water-permeable pipe (3) is 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036283.5U CN204491540U (en) | 2015-01-20 | 2015-01-20 | Drainage structures is prevented to underground factory building shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036283.5U CN204491540U (en) | 2015-01-20 | 2015-01-20 | Drainage structures is prevented to underground factory building shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204491540U true CN204491540U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036283.5U Active CN204491540U (en) | 2015-01-20 | 2015-01-20 | Drainage structures is prevented to underground factory building shaft |
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| Country | Link |
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| CN (1) | CN204491540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652461A (en) * | 2015-01-21 | 2015-05-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Underground plant shaft water-drainage-preventing structure and construction method thereof |
| CN110552738A (en) * | 2019-09-23 | 2019-12-10 | 中建八局轨道交通建设有限公司 | Drainage system for primary support structure of underground excavation vertical shaft and construction method thereof |
-
2015
- 2015-01-20 CN CN201520036283.5U patent/CN204491540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652461A (en) * | 2015-01-21 | 2015-05-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Underground plant shaft water-drainage-preventing structure and construction method thereof |
| CN110552738A (en) * | 2019-09-23 | 2019-12-10 | 中建八局轨道交通建设有限公司 | Drainage system for primary support structure of underground excavation vertical shaft and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Xiaoqian Inventor after: Liu Enju Inventor after: Ning Huawan Inventor after: Song Jing Inventor after: Zeng Shuyuan Inventor after: Wan Nianhua Inventor after: Hu Zheng Inventor before: Zhou Xiaoqian Inventor before: Liu Enju Inventor before: Ning Huawan Inventor before: Song Jing Inventor before: Zeng Shuyuan |
|
| COR | Change of bibliographic data |