CN201933514U - Leakage-prevention structure for 500KV underground substation - Google Patents

Leakage-prevention structure for 500KV underground substation Download PDF

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Publication number
CN201933514U
CN201933514U CN2010206645074U CN201020664507U CN201933514U CN 201933514 U CN201933514 U CN 201933514U CN 2010206645074 U CN2010206645074 U CN 2010206645074U CN 201020664507 U CN201020664507 U CN 201020664507U CN 201933514 U CN201933514 U CN 201933514U
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China
Prior art keywords
water
water stop
construction
underground substation
wall
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Expired - Fee Related
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CN2010206645074U
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Chinese (zh)
Inventor
朱伟林
陈峥
王杰
王卫东
姜向红
陈祖元
乐俊律
翁其平
叶卫东
闵卫国
吴江斌
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Shanghai Jiulong Electric Power Science & Technology Co ltd
State Grid Shanghai Electric Power Design Co ltd
State Grid Shanghai Electric Power Co Ltd
Original Assignee
Shanghai Jiulong Electric Power Technology Co Ltd
Shanghai Municipal Electric Power Co
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Priority to CN2010206645074U priority Critical patent/CN201933514U/en
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Publication of CN201933514U publication Critical patent/CN201933514U/en
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Abstract

The utility model relates to a leakage-prevention structure for a 500KV underground substation, comprising a waterproofing agent interface whitewashing layer, a rigidity water stop strip, a temporary ring beam support, a basic bottom plate main rib, a water stop tie which expands when meeting water, channel steel, a water stop steel plate, a shearing force slot, an upsetting straight-thread connector and a cushion layer, wherein the waterproofing agent interface whitewashing layer is arranged between a lining wall and a ground wall; the temporary ring beam support is arranged on the lining wall; the rigidity water stop strip is arranged on the temporary ring beam support; the basic bottom plate main rib is arranged on a bottom plate; the water stop tie which expands when meeting water is arranged between the lining wall and the ground wall; the channel steel and the water stop steel plate are arranged between the water stop tie which expands when meeting water; the shearing force slot is arranged between the lining wall and the ground wall; the upsetting straight-thread connector is arranged on a floor; and the cushion layer is arranged below the bottom plate. Compared with the prior art, the leakage-prevention structure has the advantages that the safety and the durability are high, the construction difficulty is low, the construction efficiency is high, the construction cost is low, the social sources are saved, and the like.

Description

The anti-leakage structure of 500KV underground substation
Technical field
The utility model relates to anti-leakage structure, especially relates to the anti-leakage structure of 500KV underground substation.
Background technology
Along with traffic, the energy, urban construction are developed in depth and breadth to the underground space day by day, ground water seepage problem and harmfulness thereof more and more cause builder's attention, particularly underground railway, tunnel, water power factory building etc.Because this class engineering is different with the basement leakage of general building construction, they are buried underground, and the overwhelming majority bears certain head pressure, even whole building is all below groundwater table.Its seepage situation is not only relevant with the quality of underground construction itself, and closely related with the underground water feature.Therefore long-time a large amount of infiltrations, leak, not only influence the safety and stability of structure self, even can cause other unequal settlement of building of periphery.
Another major issue that seepage produces is exactly corrosion or the concrete erosion that causes reinforcing bar in the structure.Destructions such as muscle corrosion of structure invar or concrete erosion and the security incident that causes, its order of severity is much larger than because of structural element bearing capacity security level the harm that brings on the low side being set.The problem that concrete aging and corrosion of steel bar bring is a generality, and the loss that causes also is difficult to the appraisal.
Along with urbanization process, large complicated underground structure continues to bring out, the phreatic high in Shanghai City and China part city has proposed than the higher requirement of structure in the past for the anti-crack and anti-seepage of underground structure, how to guarantee that good this research topic of structure barrier performance has important practical sense and economic worth for keeping well-formed's service behaviour and improving endurance quality, the needs that meet the Scientific Outlook on Development, meet Shanghai World's Fair people and city theme of harmonious development, embodied the spirit of the times and development in future direction.
There is following shortcoming in present technology: safety and durability are low, difficulty of construction is big, efficiency of construction is low, construction costs is expensive, the social resources waste is a lot.
Summary of the invention
The purpose of this utility model be exactly provide a kind of safety and durability height in order to overcome the defective that above-mentioned prior art exists, the anti-leakage structure of difficulty of construction is low, efficiency of construction is high, construction costs is low, social resources are saved 500KV underground substation.
The purpose of this utility model can be achieved through the following technical solutions: the anti-leakage structure of 500KV underground substation, it is characterized in that, this structure comprises waterproof agent interface gunite layer, rigidity sealing sheet, interim ring beam supports, sole plate master muscle, the water-swellable sealing rod, channel-section steel, steel plate for sealing water, the shearing groove, jumping-up straight thread connector, bed course, described waterproof agent interface gunite layer is arranged between inwall and the ground wall, described interim ring beam supports and is arranged on the inwall, described rigidity sealing sheet is arranged on interim ring beam and supports, described sole plate master muscle is arranged on the base plate, described water-swellable sealing rod is arranged between inwall and the ground wall, described channel-section steel and steel plate for sealing water are arranged between the water-swellable sealing rod, described shearing groove is arranged between inwall and the ground wall, described jumping-up straight thread connector is arranged on the floor, and described bed course is arranged on floor below.
Described channel-section steel and the welding of main muscle.
Described steel plate for sealing water and the welding of main muscle.
Described jumping-up straight thread connector is connected with base plate master muscle.
Be provided with the waterproofing mortar layer between described bed course and the base plate.
Compared with prior art, the utility model is on the research basis of 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity at this, adopt multinomial new technology, solved a series of designs and the technical barrier of construction aspect antiseep, not only improved the safety and the durability of structure, reduced difficulty of construction, improved efficiency of construction, significantly reduced construction costs, guaranteed that simultaneously Shanghai 2010 World Expo Important Project finish on time, obtained great achievement, economic results in society are very remarkable.
Based on the development and application of the utility model in aspect technology such as theory analysis, design, construction and detections; guaranteed that 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is able to smooth successful implementation; Shanghai 2010 World Fair Important Project quality and duration have been guaranteed; surrounding enviroment have been protected effectively; significantly save social resources, obtained society and economic benefit significantly.
Description of drawings
Fig. 1 is water proof structure figure between diaphragm wall, sole plate and inwall.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, the anti-leakage structure of 500KV underground substation, this structure comprises waterproof agent interface gunite layer 1, rigidity sealing sheet 2, interim ring beam supports 3, sole plate master muscle 4, water-swellable sealing rod 5, channel-section steel 6, steel plate for sealing water 7, shearing groove 8, jumping-up straight thread connector 9, bed course 10, waterproof agent interface gunite layer 1 is arranged between inwall 11 and the ground wall 12, interim ring beam supports 3 and is arranged on the inwall 11, rigidity sealing sheet 2 is arranged on interim ring beam and supports on 3, sole plate master muscle 4 is arranged on the base plate 13, water-swellable sealing rod 5 is arranged between inwall 11 and the ground wall 12, channel-section steel 6 and steel plate for sealing water 7 are arranged between the water-swellable sealing rod 5, shearing groove 8 is arranged between inwall 11 and the ground wall 12, jumping-up straight thread connector 9 is arranged on the floor, and bed course 10 is arranged on base plate 13 belows.Channel-section steel 6 and main muscle welding.Steel plate for sealing water 7 and main muscle welding.Jumping-up straight thread connector 9 is connected with base plate master muscle 4.Be provided with the waterproofing mortar layer between bed course 10 and the base plate 13.
The Antiseep method of 500KV underground substation, this method realizes by following four aspects:
(1) aspect the structure design of impervious underground substation
1) comprehensive complete method for designing that has systematically proposed circular contrary sequence method deep layer underground substation structurally waterproof, the waterproofing node structure that comprises the waterproofing design of diaphragm wall, inwall, top board and sole plate self and structure seam has proposed the waterproofing design of system in addition to the interface waterproof key position in deep layer underground substation structural body and external tunnel.
2) proposed first to exempt from the I-shaped groove section of the ultra-deep underground continuous wall joint technology of fore shaft pipe or joint case and applied for patent, this patented technology has reduced the difficulty of construction of ultra-deep underground continuous wall, improve efficiency of construction, and successfully guaranteed the globality and the water proofing property of ultra-deep underground continuous wall connector.
(2) aspect structural meterials
1) based on to 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity construction and operation to the demand research of concrete material key property, developed the self-waterproof concrete that is suitable for this engineering.
2) at the cracking resistance analysis of key problem of large tracts of land top board structure, respectively to girder model, beam slab model, simulation physical constraint condition, adopt numerical analysis method to calculate the different maintenance methods of contrast, the early stage cracking resistance of concrete under the different curing times is taked specific aim cracking resistance measures such as wet curing, reinforcement arrangement of reinforcement in the design and construction of large tracts of land top board.
3) at diaphragm wall constraints lower liner wall concrete anticracking analysis of key problem, adopt the fringe conditions of field actual measurement results inverting inwall and diaphragm wall constraint, simulated the concrete early stage cracking resistance of inwall with numerical analysis method; In the inwall design and construction, take inwall local cypher constructional reinforcement, the prolongation striking time at close diaphragm wall side corner sections and edge, strengthened specific aim cracking resistance measures such as maintenance.
4) at a constraints lower shoe of post concrete anticracking analysis of key problem, consider constraint of a post to underground structure base plate, calculating has contrasted two kinds of operating modes that a constraints of none post is arranged, and has quantized constraint of a post for the early stage Effect on Performance of underplate concrete; In the back-plane design construction, adopt in specific aim cracking resistance measures such as a base plate encryption on every side of post arrangement of reinforcement, reinforcement wet curings.
(3) aspect the structure construction of impervious underground substation
1) at the characteristic of stratum, Shanghai " last soft hard down " with in conjunction with present stage all types of continuous wall trench underground machine capability characteristics, the diaphragm wall new technology that the proposition of novelty " is grabbed and milled combination ", guarantee the construction of continuous concrete wall quality, improved the construction of continuous concrete wall work efficiency simultaneously again.
2) design based on 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity structure antiseep, at corresponding keypoint part and weak link, in conjunction with the concrete operating mode of reverse construction, system research deep layer underground substation structurally waterproof construction technology, ensure the anti-seepage construction quality of engineering, realized design idea satisfactorily.
(4) aspect the impervious check of underground substation structure
1) based on comprehensive investigation of the impervious detection method of structure, clear and definite scene and test room's method of testing of deep layer underground substation structure anti-permeability performance, checking and accepting for 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity structure antiseepage provides relevant foundation.
2) adopt ultrasonic wave, the method for setting-out and water injection test has been carried out on-the-spot test to the anti-seepage effect of 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity.Test result shows this superperformance in the antiseep aspect of structure.
500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is on this research basis, novelty and adopted multinomial new technology, a series of designs and the technical barrier of construction aspect antiseep have been solved, not only improve the safety and the durability of structure, reduced difficulty of construction, improved efficiency of construction, significantly reduced construction costs, guaranteed that simultaneously Shanghai 2010 World Expo Important Project finish on time, obtained great achievement, economic results in society are very remarkable.
(1) by this impervious analysis, the diaphragm wall after the optimization can satisfy impervious requirement.Only this item is the about 15000m3 of engineering economy concrete square amount just, reduces the about 90000m3 of mud emission, saves about 3,000 ten thousand yuan of construction costs.
(2) by cracking resistance analysis to the structure base plate, save the about 6600m3 of concrete square amount, save about 6,600,000 yuan of construction costs.
(3) in conjunction with diaphragm wall " grab mill in conjunction with ", super dark I-groove section joint The application of new technique, increase substantially the construction of continuous concrete wall work efficiency, shortened the construction of continuous concrete wall duration.The diaphragm wall individual works were saved about 3 months.
(4) this engineering has adopted super dark I-groove section joint technology, has solved the problem that fore shaft pipe that general construction technology runs in this engineering or joint case are difficult to extract, and greatly reduces difficulty of construction, has improved efficiency of construction.
Based on this development and application in aspect technology such as theory analysis, design, construction and detections; guaranteed that 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is able to smooth successful implementation; Shanghai 2010 World Fair Important Project quality and duration have been guaranteed; surrounding enviroment have been protected effectively; significantly save social resources, obtained society and economic benefit significantly.

Claims (5)

1.500KV the anti-leakage structure of underground substation, it is characterized in that, this structure comprises waterproof agent interface gunite layer, rigidity sealing sheet, interim ring beam supports, sole plate master muscle, the water-swellable sealing rod, channel-section steel, steel plate for sealing water, the shearing groove, jumping-up straight thread connector, bed course, described waterproof agent interface gunite layer is arranged between inwall and the ground wall, described interim ring beam supports and is arranged on the inwall, described rigidity sealing sheet is arranged on interim ring beam and supports, described sole plate master muscle is arranged on the base plate, described water-swellable sealing rod is arranged between inwall and the ground wall, described channel-section steel and steel plate for sealing water are arranged between the water-swellable sealing rod, described shearing groove is arranged between inwall and the ground wall, described jumping-up straight thread connector is arranged on the floor, and described bed course is arranged on floor below.
2. the anti-leakage structure of 500KV according to claim 1 underground substation is characterized in that, described channel-section steel and the welding of main muscle.
3. the anti-leakage structure of 500KV according to claim 1 underground substation is characterized in that, described steel plate for sealing water and the welding of main muscle.
4. the anti-leakage structure of 500KV according to claim 1 underground substation is characterized in that, described jumping-up straight thread connector is connected with base plate master muscle.
5. the anti-leakage structure of 500KV according to claim 1 underground substation is characterized in that, is provided with the waterproofing mortar layer between described bed course and the base plate.
CN2010206645074U 2010-12-17 2010-12-17 Leakage-prevention structure for 500KV underground substation Expired - Fee Related CN201933514U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733420A (en) * 2012-07-13 2012-10-17 中建八局第三建设有限公司 Pre-stage bottom plate construction method for enhancing protection on steel-bar joints in stage construction of basements
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN103628486A (en) * 2013-11-27 2014-03-12 上海建工七建集团有限公司 Later-construction method for inner wall of basement
CN105019473A (en) * 2015-07-21 2015-11-04 上海建工七建集团有限公司 Post-anchoring method for foundation slab reinforcement steel bars and underground diaphragm wall
CN110670630A (en) * 2019-10-12 2020-01-10 中铁十八局集团有限公司 Underground engineering connection new and old concrete interface waterproof structure and processing method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733420A (en) * 2012-07-13 2012-10-17 中建八局第三建设有限公司 Pre-stage bottom plate construction method for enhancing protection on steel-bar joints in stage construction of basements
CN102733420B (en) * 2012-07-13 2014-06-18 中建八局第三建设有限公司 Pre-stage bottom plate construction method for enhancing protection on steel-bar joints in stage construction of basements
CN102943490A (en) * 2012-12-11 2013-02-27 天津天一建设集团有限公司 Underground diaphragm wall embedded beam slab steel bar straight thread bar anchoring structure and construction method thereof
CN103628486A (en) * 2013-11-27 2014-03-12 上海建工七建集团有限公司 Later-construction method for inner wall of basement
CN103628486B (en) * 2013-11-27 2016-08-31 上海建工七建集团有限公司 A kind of method of construction after basement inwall
CN105019473A (en) * 2015-07-21 2015-11-04 上海建工七建集团有限公司 Post-anchoring method for foundation slab reinforcement steel bars and underground diaphragm wall
CN105019473B (en) * 2015-07-21 2017-07-14 上海建工七建集团有限公司 The rear anchoring processing method of sole plate reinforcing bar and diaphram wall
CN110670630A (en) * 2019-10-12 2020-01-10 中铁十八局集团有限公司 Underground engineering connection new and old concrete interface waterproof structure and processing method

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Owner name: SHANGHAI JIULONG ELECTRIC SCIENCE + TECHNOLOGY CO.

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Effective date: 20140708

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Owner name: STATE GRID SHANGHAI ELECTRIC POWER COMPANY

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CP01 Change in the name or title of a patent holder

Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122

Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co.

Patentee after: Shanghai Jiulong Electric Power Science & Technology Co.,Ltd.

Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122

Patentee before: SHANGHAI MUNICIPAL ELECTRIC POWER Co.

Patentee before: Shanghai Jiulong Electric Power Science & Technology Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20140708

Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122

Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co.

Patentee after: Shanghai Jiulong Electric Power Science & Technology Co.,Ltd.

Patentee after: STATE GRID SHANGHAI ELECTRIC POWER DESIGN Co.,Ltd.

Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122

Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co.

Patentee before: Shanghai Jiulong Electric Power Science & Technology Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110817

Termination date: 20191217