CN102535521B - The Antiseep method of 500KV underground substation - Google Patents
The Antiseep method of 500KV underground substation Download PDFInfo
- Publication number
- CN102535521B CN102535521B CN201010592447.4A CN201010592447A CN102535521B CN 102535521 B CN102535521 B CN 102535521B CN 201010592447 A CN201010592447 A CN 201010592447A CN 102535521 B CN102535521 B CN 102535521B
- Authority
- CN
- China
- Prior art keywords
- construction
- substation
- underground
- design
- concrete
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 claims abstract description 52
- 238000013461 design Methods 0.000 claims abstract description 29
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 238000004458 analytical method Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 16
- 230000006399 behavior Effects 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000004078 waterproofing Methods 0.000 claims description 10
- 238000005336 cracking Methods 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 6
- 238000011160 research Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 230000003487 anti-permeability effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000018109 developmental process Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The present invention relates to the Antiseep method of 500KV underground substation, the method is realized by following four aspects: structure design aspect, (1) impervious underground substation, (2) structural meterials aspect, (3) structure construction aspect, impervious underground substation, the impervious inspection aspect of structure, (4) underground substation.Compared with prior art, the present invention has safety and the advantage such as durability is high, difficulty of construction is low, efficiency of construction is high, construction costs is low, social resources saving.
Description
Technical field
The present invention relates to a kind of Antiseep method, especially relate to the Antiseep method 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 the attention of builder, particularly underground railway, tunnel, Power House etc.Because this kind of engineering is different from the basement leakage of general building construction, their buried undergrounds, the overwhelming majority bears certain head pressure, and even whole building is all below groundwater table.Its leakage scenarios is not only relevant with the quality of underground construction itself, and closely related with Characteristics of Groundwater.The safety and stability of therefore a large amount of for a long time infiltrations, structure self of leaking, not only affect, even can cause the differential settlement of other building of periphery.
Another major issue that seepage produces is exactly the corrosion or the concrete erosion that cause reinforcing bar in structure.The security incident that structure causes because corrosion of steel bar or concrete erosion etc. destroy, its order of severity arranges brought harm on the low side much larger than because of structural element bearing capacity security level.The problem that concrete aging and corrosion of steel bar bring is generality, and the loss caused also is difficult to the appraisal.
Along with urbanization process, large complicated underground structure continues to bring out, the phreatic high of Shanghai City and China urban proposes the higher requirement of structure than ever for the anti-crack and anti-seepage of underground structure, how to ensure that good this research topic of structure barrier performance has important realistic meaning and economic worth for holding structure works fine performance and raising endurance quality, meet the needs of the Scientific Outlook on Development, meet Shanghai World's Fair people and city theme of harmonious development, embody the spirit of the times and following developing direction.
Summary of the invention
Object of the present invention is exactly provide a kind of safety to overcome defect that above-mentioned prior art exists and durability is high, difficulty of construction is low, efficiency of construction is high, construction costs is low, social resources are saved the Antiseep method of 500KV underground substation.
Object of the present invention can be achieved through the following technical solutions: the Antiseep method of 500KV underground substation, is characterized in that, the method is realized by following four aspects:
(1) in the structure design of impervious underground substation:
11) the complete method for designing of circular contrary sequence method deeper subsurface substation structure waterproof is proposed;
12) the ultra-deep underground continuous wall I-shaped groove section joint technique of exempting from locking notch pipe or joint case is proposed;
(2) in structural meterials:
21) based on the demand behaviors to concrete material key property to project of transmitting and converting electricity construction and operation, development self-waterproof concrete;
22) for the anti-crack analysis key issue of large area top board structure, simulation physical constraint condition, adopt numerical analysis method to calculate the different maintenance method of contrast, the concrete early anti-cracking behavior energy under different curing time, takes specific aim Crack Resistance in the design and construction of large area top board;
23) for 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, with the concrete early anti-cracking behavior energy of numerical analysis method simulation inwall, in inwall design and construction, take specific aim Crack Resistance near the inwall local at diaphragm wall side corner sections and edge;
24) for one pile for one column constraints lower shoe concrete anticracking analysis of key problem, consider that one pile for one column is to the constraint of underground structure bottom plate, calculate the two kind operating modes of contrast with or without one pile for one column constraints, quantize the impact of one pile for one column constraint for underplate concrete Early-age behavior, in back-plane design construction, adopt specific aim Crack Resistance;
(3) in the structure construction of impervious underground substation:
31) for lower hard feature soft on stratum with in conjunction with present stage all types of continuous wall trench underground machine capability feature, the diaphragm wall new technology of grabbing milling combination is proposed;
32) based on the design of project of transmitting and converting electricity structure antiseep, for corresponding keypoint part and weak link, in conjunction with the concrete operating mode of reverse construction, research deeper subsurface substation structure Waterproof Construction Technique;
(4) in the impervious inspection of underground substation structure:
41) investigation of the impervious detection method of structure based, specifies scene and test room's method of testing of deeper subsurface substation structure anti-permeability performance, and checking and accepting for the antiseepage of project of transmitting and converting electricity structure provides relevant foundation;
42) adopt ultrasonic wave, the method for setting-out and water injection test, carry out on-the-spot test to the anti-seepage effect of project of transmitting and converting electricity, test result shows the performance of structure originally in antiseep aspect.
Step 11) described in the one-tenth Analysis of Nested Design of circular contrary sequence method deeper subsurface substation structure waterproof comprise the waterproofing design of diaphragm wall, inwall, top board and sole plate self and the waterproofing node structure of structure seam, also the interface waterproof key position in deeper subsurface substation structure body and external tunnel is proposed to the waterproofing design of system.
Step 22), step 23) and step 24) described in specific aim Crack Resistance comprise encryption arrangement of reinforcement, strengthen wet curing.
Compared with prior art, the present invention in 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity on Research foundation of the present invention, novelty and have employed multinomial new technology, solve a series of design and the technical barrier of construction in antiseep, not only increase safety and the durability of structure, reduce difficulty of construction, improve efficiency of construction, significantly reduce construction costs, ensure that World Expo Important Project in Shanghai 2010 completes on time simultaneously, achieve great achievement, economic results in society are very remarkable.
Based on the development and application of the present invention's property technology in theory analysis, design, construction and detection etc.; ensure that 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is able to smooth successful implementation; ensure that World Expo 2010 Shanghai China Important Project quality and duration; effectively protect surrounding enviroment; significantly save social resources, achieve Social and economic benef@significantly.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment
The Antiseep method of 500KV underground substation, the method is realized by following four aspects:
(1) in the structure design of impervious underground substation
1) propose the complete method for designing of circular contrary sequence method deeper subsurface substation structure waterproof comprehensive system, comprise the waterproofing node structure of the waterproofing design of diaphragm wall, inwall, top board and sole plate self and structure seam, in addition the interface waterproof key position in deeper subsurface substation structure body and external tunnel is proposed to the waterproofing design of system.
2) propose the ultra-deep underground continuous wall of exempting from locking notch pipe or joint case I-shaped groove section joint technique first and applied for patent, this patented technology reduces the difficulty of construction of ultra-deep underground continuous wall, improve efficiency of construction, and successfully ensure that globality and the water proofing property of ultra-deep underground continuous wall connector.
(2) in structural meterials
1) based on the demand behaviors to concrete material key property to the construction of 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity and operation, have developed the self-waterproof concrete being suitable for this engineering.
2) for the anti-crack analysis key issue of large area top board structure, respectively to girder model, beam slab model, simulation physical constraint condition, numerical analysis method is adopted to calculate the different maintenance method of contrast, concrete early anti-cracking behavior energy under different curing time, takes wet curing, strengthens the specific aim Crack Resistances such as arrangement of reinforcement in the design and construction of large area top board.
3) for 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, simulate the concrete early anti-cracking behavior energy of inwall with numerical analysis method; In inwall design and construction, take inwall local cypher constructional reinforcement, the prolongation striking time near diaphragm wall side corner sections and edge, strengthen the specific aim Crack Resistances such as maintenance.
4) for one pile for one column constraints lower shoe concrete anticracking analysis of key problem, consider that one pile for one column is to the constraint of underground structure bottom plate, calculate the two kinds of operating modes that compared for or without one pile for one column constraints, quantize the impact of one pile for one column constraint for underplate concrete Early-age behavior; Adopt at one pile for one column surrounding floor encryption arrangement of reinforcement in back-plane design construction, strengthen the specific aim Crack Resistances such as wet curing.
(3) in the structure construction of impervious underground substation
1) for the feature of stratum, Shanghai " upper soft lower hard " with in conjunction with present stage all types of continuous wall trench underground machine capability feature, the diaphragm wall new technology proposing " grabbing milling to combine " of novelty, ensure that the construction quality of diaphragm wall, turn improve the construction efficiency of diaphragm wall simultaneously.
2) design based on 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity structure antiseep, for corresponding keypoint part and weak link, in conjunction with the concrete operating mode of reverse construction, system research deeper subsurface substation structure Waterproof Construction Technique, ensure the anti-seepage construction quality of engineering, achieve design idea satisfactorily.
(4) in the impervious inspection of underground substation structure
1) comprehensive investigation of the impervious detection method of structure based, specify that scene and test room's method of testing of deeper subsurface substation structure anti-permeability performance, check and accept providing relevant foundation for the antiseepage of 500KV Jing'an, Shanghai (Expo) project of transmitting and converting electricity structure.
2) adopt ultrasonic wave, the method for setting-out and water injection test, has 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 the superperformance of structure originally in antiseep aspect.
500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is on Research foundation of the present invention, novelty and have employed multinomial new technology, solve a series of design and the technical barrier of construction in antiseep, not only increase safety and the durability of structure, reduce difficulty of construction, improve efficiency of construction, significantly reduce construction costs, ensure that World Expo Important Project in Shanghai 2010 completes on time, achieve great achievement, economic results in society are very remarkable simultaneously.
(1) by impervious analysis of the present invention, the diaphragm wall after optimization can meet seepage resistance demand.Only this item is just about 15000m3 for engineering economy concrete square amount, reduces mud emission and is about 90000m3, save construction costs about 30,000,000 yuan.
(2) by the anti-crack analysis to structure base slab, save concrete square amount and be about 6600m3, save construction costs about 6,600,000 yuan.
(3) in conjunction with the application of diaphragm wall " grab milling combine ", ultra-deep I-groove section joint new technology, increased substantially the construction efficiency of diaphragm wall, shortened the construction period of diaphragm wall.Diaphragm wall individual works have been saved about 3 months.
(4) this engineering have employed ultra-deep I-groove section joint technique, solves the problem that locking notch pipe that general construction technology runs in this engineering or joint case are difficult to extract, greatly reduces difficulty of construction, improve efficiency of construction.
Based on the development and application of the present invention's property technology in theory analysis, design, construction and detection etc.; ensure that 500kV Jing'an, Shanghai (Expo) project of transmitting and converting electricity is able to smooth successful implementation; ensure that World Expo 2010 Shanghai China Important Project quality and duration; effectively protect surrounding enviroment; significantly save social resources, achieve Social and economic benef@significantly.
Claims (2)
- The Antiseep method of 1.500KV underground substation, is characterized in that, the method is realized by following four aspects:(1) in the structure design of impervious underground substation:11) the complete method for designing of circular contrary sequence method deeper subsurface substation structure waterproof is proposed;12) the ultra-deep underground continuous wall I-shaped groove section joint technique of exempting from locking notch pipe or joint case is proposed;(2) in structural meterials:21) demand behaviors to concrete material key property based on project of transmitting and converting electricity construction and operation, development self-waterproof concrete;22) for the anti-crack analysis key issue of large area top board structure, simulation physical constraint condition, adopt numerical analysis method to calculate the different maintenance method of contrast, the concrete early anti-cracking behavior energy under different curing time, takes specific aim Crack Resistance in the design and construction of large area top board;23) for 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, with the concrete early anti-cracking behavior energy of numerical analysis method simulation inwall, in inwall design and construction, specific aim Crack Resistance is taked to the inwall local near diaphragm wall side corner sections and edge;24) for one pile for one column constraints lower shoe concrete anticracking analysis of key problem, consider that one pile for one column is to the constraint of underground structure bottom plate, calculate the two kind operating modes of contrast with or without one pile for one column constraints, quantize the impact of one pile for one column constraint for underplate concrete Early-age behavior, in back-plane design construction, adopt specific aim Crack Resistance;(3) in the structure construction of impervious underground substation:31) for lower hard feature soft on stratum with in conjunction with present stage all types of continuous wall trench underground machine capability feature, the diaphragm wall new technology of grabbing milling combination is proposed;32) based on the design of project of transmitting and converting electricity structure antiseep, for corresponding keypoint part and weak link, in conjunction with the concrete operating mode of reverse construction, research deeper subsurface substation structure Waterproof Construction Technique;(4) in the impervious inspection of underground substation structure:41) investigation of the impervious detection method of structure based, specifies scene and test room's method of testing of deeper subsurface substation structure anti-permeability performance, and checking and accepting for the antiseepage of project of transmitting and converting electricity structure provides relevant foundation;42) adopt ultrasonic wave, the method for setting-out and water injection test, carries out on-the-spot test to the anti-seepage effect of project of transmitting and converting electricity, and test result shows the performance of structure originally in antiseep aspect;Step 11) described in the one-tenth Analysis of Nested Design of circular contrary sequence method deeper subsurface substation structure waterproof comprise the waterproofing design of diaphragm wall, inwall, top board and sole plate self and the waterproofing node structure of structure seam, also comprise the waterproofing design interface waterproof key position in deeper subsurface substation structure body and external tunnel being proposed to system.
- 2. the Antiseep method of 500KV underground substation according to claim 1, is characterized in that, step 22), step 23) and step 24) described in specific aim Crack Resistance comprise encryption arrangement of reinforcement, strengthen wet curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010592447.4A CN102535521B (en) | 2010-12-17 | 2010-12-17 | The Antiseep method of 500KV underground substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010592447.4A CN102535521B (en) | 2010-12-17 | 2010-12-17 | The Antiseep method of 500KV underground substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102535521A CN102535521A (en) | 2012-07-04 |
| CN102535521B true CN102535521B (en) | 2015-07-29 |
Family
ID=46343426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010592447.4A Active CN102535521B (en) | 2010-12-17 | 2010-12-17 | The Antiseep method of 500KV underground substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102535521B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2242894A1 (en) * | 1972-08-31 | 1974-03-14 | Gervin Mueller | ENERGY DISTRIBUTION STATION, IN PARTICULAR ELECTRIC FORMING STATION |
| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| CN201315422Y (en) * | 2008-12-15 | 2009-09-23 | 安徽鑫龙电器股份有限公司 | Waterproof structure of box-type substation |
-
2010
- 2010-12-17 CN CN201010592447.4A patent/CN102535521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2242894A1 (en) * | 1972-08-31 | 1974-03-14 | Gervin Mueller | ENERGY DISTRIBUTION STATION, IN PARTICULAR ELECTRIC FORMING STATION |
| CN2503649Y (en) * | 2001-09-20 | 2002-07-31 | 北京广联惠供用电工程设计有限公司 | Prefabricated underground box type converting station |
| CN201315422Y (en) * | 2008-12-15 | 2009-09-23 | 安徽鑫龙电器股份有限公司 | Waterproof structure of box-type substation |
Non-Patent Citations (5)
| Title |
|---|
| 上海110kV地铁地下变电站简介;郑宝聚等;《能源研究与信息》;19940930;第10卷(第3期);第23-26页 * |
| 上海世博会500kV全地下变电站逆作法施工技术;叶卫东;《施工技术》;20100518;第39卷(第5期);第26-28页 * |
| 监测混凝土早期变形对边界参数的反分析;张一鸣等;《地下空间与工程学报》;20100430;第6卷(第2期);第255-259页 * |
| 许建华等.500kV静安(世博)地下变电站工程.《上海电力》.2007,(第2期),第192-197页. * |
| 超深圆形基坑逆作法"两墙合一"地下连续墙设计;翁其平等;《建筑结构学报》;20100531;第31卷(第5期);第188-194页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102535521A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102306225B (en) | Method for simulating construction course and tunnel deformation influence value of multiline overlapping tunnel | |
| Prokopov et al. | The experience of strengthening subsidence of the soil under the existing building in the city of Rostov-on-Don | |
| CN201933514U (en) | Leakage-prevention structure for 500KV underground substation | |
| CN103628508B (en) | The experimental rig of simulation stake rear flank slip casting uplift pile pile-soil interface physical property | |
| Ma et al. | A combined support method of isolation pile and diaphragm wall for protection of buildings adjacent to deep foundation pit | |
| CN110245426B (en) | Finite element refined simulation method for pipe gallery structure pipe jacking construction | |
| CN104532849B (en) | A kind of foundation ditch on top of underground railway tunnel excavation method | |
| CN102535521B (en) | The Antiseep method of 500KV underground substation | |
| CN204662516U (en) | A kind of underground construction pile crown water-tight device | |
| CN203891066U (en) | Underground structure prefabricated ribbed-plate type component | |
| WANG et al. | Excavation response analysis of prefabricated recyclable support structure for water-rich silt foundation pit | |
| Chen | On the Influence of Pile Foundation Settlement of Existing High‐Rise Buildings on the Surrounding Buildings | |
| Teodosio et al. | An optimized prefabricated raft footing system for houses on shrink-swell soils: preliminary results | |
| CN105350520B (en) | Deep sand-gravel foundation reinforcing and the construction method of antiseepage | |
| Qin et al. | Deformation analysis and prediction of foundation pit in soil-rock composite stratum | |
| Xu et al. | Safety Analysis of Deep Foundation Excavation in Water‐Rich Soft Soils Based on BIM | |
| Zhang et al. | Application of supporting construction technology for deep foundation pit in Building Foundation Engineering | |
| Yao et al. | Study on the dynamic response of the steel pipe pile foundation during construction of neighborhood deep excavation | |
| Qu et al. | Study on Deformation and Stability of Rock‐Like Materials Retaining Structure during Collaborative Construction of Super‐Adjacent Underground Project | |
| Sun et al. | Research on Numerical Simulation of Top‐Down Construction Effect of Diaphragm Wall of Deep and Large Foundation Pit under Different Working Conditions in Complex Stratum | |
| CN205421279U (en) | Underground works lid digs construction roof support structure | |
| Liu et al. | Mechanical Performance of Deep Circular Caisson Sinking in Deep Layered Soft Soil | |
| CN102561390B (en) | The application of contrary sequence method technique in the structure construction of underground substation | |
| CN201896321U (en) | Construction device for underground substation by topdown construction method | |
| Meng et al. | Prediction and Control of Interaction Between Ground Building and Tunnel Construction Process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. SHANGHAI ELECTRIC POWER C Free format text: FORMER OWNER: SHANGHAI JIULONG ELECTRIC SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20130110 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130110 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Electric Power Communication Co., Ltd. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Jiulong Electric Power Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |