EP4015709A4 - Grouting structure filled with soluble crystal and construction method - Google Patents

Grouting structure filled with soluble crystal and construction method Download PDF

Info

Publication number
EP4015709A4
EP4015709A4 EP21847342.9A EP21847342A EP4015709A4 EP 4015709 A4 EP4015709 A4 EP 4015709A4 EP 21847342 A EP21847342 A EP 21847342A EP 4015709 A4 EP4015709 A4 EP 4015709A4
Authority
EP
European Patent Office
Prior art keywords
construction method
structure filled
grouting structure
soluble crystal
soluble
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.)
Granted
Application number
EP21847342.9A
Other languages
German (de)
French (fr)
Other versions
EP4015709A1 (en
EP4015709B1 (en
Inventor
Yunhe FAN
Changqing ZHENG
Yu YU
Wanqiang ZHAO
Yongping Zeng
Tao Pang
Yu Cao
Yongping Zhang
Yongjie TAN
Jinsong Liu
Yang Liu
Liang KUANG
Changguo HE
Yuzhe ZHOU
Guoquan JU
Li Jiang
Youhao LONG
Xiaochuan REN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Eryuan Engineering Group Co Ltd CREEC
Original Assignee
China Railway Eryuan Engineering Group Co Ltd CREEC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Eryuan Engineering Group Co Ltd CREEC filed Critical China Railway Eryuan Engineering Group Co Ltd CREEC
Publication of EP4015709A1 publication Critical patent/EP4015709A1/en
Publication of EP4015709A4 publication Critical patent/EP4015709A4/en
Application granted granted Critical
Publication of EP4015709B1 publication Critical patent/EP4015709B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/06—Restraining of underground water
    • E02D19/10—Restraining of underground water by lowering level of ground water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP21847342.9A 2020-07-20 2021-07-13 Grouting structure filled with soluble crystal and construction method Active EP4015709B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010700824.5A CN111794238B (en) 2020-07-20 2020-07-20 Grouting structure for filling soluble crystals and construction method
PCT/CN2021/106035 WO2022017226A1 (en) 2020-07-20 2021-07-13 Grouting structure filled with soluble crystal and construction method

Publications (3)

Publication Number Publication Date
EP4015709A1 EP4015709A1 (en) 2022-06-22
EP4015709A4 true EP4015709A4 (en) 2022-12-28
EP4015709B1 EP4015709B1 (en) 2023-05-31

Family

ID=72807792

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21847342.9A Active EP4015709B1 (en) 2020-07-20 2021-07-13 Grouting structure filled with soluble crystal and construction method

Country Status (3)

Country Link
EP (1) EP4015709B1 (en)
CN (1) CN111794238B (en)
WO (1) WO2022017226A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111794238B (en) * 2020-07-20 2021-05-04 中铁二院工程集团有限责任公司 Grouting structure for filling soluble crystals and construction method
CN113323723B (en) * 2021-06-25 2021-11-16 中铁二院工程集团有限责任公司 Acid-soluble drilling drainage structure for tunnel and side slope of karst or fault and construction method
CN113445959B (en) * 2021-08-10 2022-02-01 中铁二院工程集团有限责任公司 Drilling drainage structure of karst or fault tunnel and construction method and construction structure thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008274553A (en) * 2007-04-25 2008-11-13 Toyo Constr Co Ltd Slope stabilizing method
CN107237650A (en) * 2017-06-30 2017-10-10 浙江大学 A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall
WO2019000776A1 (en) * 2017-06-30 2019-01-03 浙江大学 Side slope underground water drilling self-starting negative pressure drainage system and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPC20060043A1 (en) * 2006-10-02 2008-04-03 Cesare Melegari METHOD FOR THE REALIZATION OF DRAINAGE WORKS, IN PARTICULAR FOR THE STABILIZATION, OF VERSATIVES AND / OR UNSTABLE OR LANDSCAPE
JP5313192B2 (en) * 2010-03-03 2013-10-09 公益財団法人鉄道総合技術研究所 Slope stabilization method with drainage using injected material
CN102251529A (en) * 2011-06-02 2011-11-23 浙江大学 Self-balancing siphon drainage method by using side slope declining drill hole
CN102635402A (en) * 2012-04-11 2012-08-15 浙江大学 Siphon drainage method for tunnel wall water seepage disposal by using dipping borehole
CN109629566B (en) * 2019-01-16 2021-04-06 宁夏大学 Vacuum drainage anchor rod and construction method thereof
CN209780957U (en) * 2019-03-13 2019-12-13 云南建投基础工程有限责任公司 Water-rich railway tunnel bottom sluicing decompression and reinforced structure
CN111005760A (en) * 2019-12-27 2020-04-14 中铁二院工程集团有限责任公司 Drainage type drainage system for karst tunnel
CN111425249A (en) * 2020-03-30 2020-07-17 中铁二院工程集团有限责任公司 Tunnel wind power drainage system
CN111794238B (en) * 2020-07-20 2021-05-04 中铁二院工程集团有限责任公司 Grouting structure for filling soluble crystals and construction method
CN111810234B (en) * 2020-07-20 2021-06-29 中铁二院工程集团有限责任公司 Tunnel water seepage and harmful gas discharge structure and semi-closed ice filling drilling construction method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008274553A (en) * 2007-04-25 2008-11-13 Toyo Constr Co Ltd Slope stabilizing method
CN107237650A (en) * 2017-06-30 2017-10-10 浙江大学 A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall
WO2019000776A1 (en) * 2017-06-30 2019-01-03 浙江大学 Side slope underground water drilling self-starting negative pressure drainage system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022017226A1 *

Also Published As

Publication number Publication date
EP4015709A1 (en) 2022-06-22
WO2022017226A1 (en) 2022-01-27
CN111794238A (en) 2020-10-20
EP4015709B1 (en) 2023-05-31
CN111794238B (en) 2021-05-04

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