EP0188282A2 - Rideau imperméable et sa méthode de réalisation dans le but de créer des masses de terre autoportantes et déblayables pour la réalisation de constructions souterraines ainsi que des structures creuses ou similaires - Google Patents

Rideau imperméable et sa méthode de réalisation dans le but de créer des masses de terre autoportantes et déblayables pour la réalisation de constructions souterraines ainsi que des structures creuses ou similaires Download PDF

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Publication number
EP0188282A2
EP0188282A2 EP19860100467 EP86100467A EP0188282A2 EP 0188282 A2 EP0188282 A2 EP 0188282A2 EP 19860100467 EP19860100467 EP 19860100467 EP 86100467 A EP86100467 A EP 86100467A EP 0188282 A2 EP0188282 A2 EP 0188282A2
Authority
EP
European Patent Office
Prior art keywords
sealing
soil
groundwater
injection
masses
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
EP19860100467
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German (de)
English (en)
Other versions
EP0188282B1 (fr
EP0188282A3 (en
Inventor
Klaus Dipl.-Ing. Esters
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.)
Keller Grundbau GmbH
Original Assignee
Keller Grundbau GmbH
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
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Application filed by Keller Grundbau GmbH filed Critical Keller Grundbau GmbH
Priority to AT86100467T priority Critical patent/ATE67259T1/de
Publication of EP0188282A2 publication Critical patent/EP0188282A2/fr
Publication of EP0188282A3 publication Critical patent/EP0188282A3/de
Application granted granted Critical
Publication of EP0188282B1 publication Critical patent/EP0188282B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • 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
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/16—Restraining of underground water by damming or interrupting the passage of underground water by placing or applying sealing substances
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • 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
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • 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
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001—Improving soil or rock, e.g. by freezing; Injections

Definitions

  • the invention relates to a seal and a manufacturing method therefor to create stable, degradable soil masses for the execution of underground structures, such as cavity structures or the like.
  • the underground "closed” construction pits are even more complex. Such excavation pits are excavated in shield driving under compressed air or with a liquid-supported face, or the groundwater is iced up in the construction site area.
  • the seal provided according to the invention which is used to create load-bearing, degradable floor masses for the execution of underground structures, such as cavity structures or the like, consists of an elastic sealing sheath, which consists of sealing walls arranged in the form of a roof, screen, housing or the like is formed and the soil mass to be mined hermetically seals against groundwater and / or air.
  • the elastic sealing walls of the sealing cover consist of a hardened mixture based on bentonite / filler / cement and / or solid / bitumen, which can be introduced into the ground by injection under pressure.
  • Each sealing wall of the sealing sleeve is expediently designed such that it consists of sealing lamellae formed by injection and / or overlapping columns.
  • a particularly advantageous embodiment of the seal is obtained if the sealing walls of the sealing sleeve protrude from one on the surface or below it central ridge line from diverging diagonally down to the waterproof floor.
  • This central ridge line which can be a working tunnel or the like, then represents the upper tip of the cross-sectional triangle in question in the case of the roof-like or umbrella-like sealing sleeve.
  • the method according to the invention makes it possible to prepare the soil masses to be mined and the remaining underground so that they can be mined continuously, from a secured position and in the dry.
  • the inventive method is less expensive than the known methods of shield driving or icing.
  • the soil masses present in a sealing envelope of the construction site to be driven dry are sealed against the groundwater and the air, dewatered, compressed under the pressure of the groundwater present on the outside of the sealing envelope and / or stabilized by vacuum, so that a more resilient , stable and dry soil is obtained, which is continuous with the progress of construction of the underground structure trained and can be dismantled from a protected position and dry.
  • the method according to the invention largely excludes the disadvantages of the known watertight containment methods and is limited to the drainage of the soil in the immediate area of the excavation pit or the underground structure.
  • the sealing sleeve is formed from sealing walls, the shape of which is adapted to the local conditions and which is formed by injecting a liquid mixture based on bentonite / filler / cement or as a solid / bitumen mixture as a high-tension suspension jet with pressures of 300 to 600 bar into the soil to be sealed will.
  • the tightness of the sealing cover is ensured by injecting the sealing walls at rinsed and eroded locations with injection agents at pressures between 50 and 100 bar.
  • the result of injecting and re-injecting is a homogeneous, elastic and precisely dimensioned according to depth, width and height, which is made of age-resistant and environmentally friendly material.
  • the construction pit enclosed by the sealing envelope can then be dewatered and kept dry for the actual construction process.
  • the sealing cover is able to adapt elastically to the volume reduction of the floor masses without endangering the sealing.
  • Another decisive advantage of the method is that the sealing cover is able to absorb the compressive forces of the groundwater on its outer skin in such a way that an additional compaction of the soil in the enclosed drainage area is compensated for.
  • the method according to the invention offers the further advantage that the sealing sleeve can be re-sealed in the event of unexpected leaks by repressing with the aid of valve tubes.
  • the sealing sleeve can also be used as an additional safety measure against air loss in compressed air drives with little ground cover.
  • a swelling agent can be added to the injection agent.
  • the method according to the invention also offers the possibility of producing the sealing cover by the soil blasting method (soil fracturing) and stabilizing it by post-injection.
  • Fig. 1 shows a sealing shell 3 formed by sealing walls 2, which is dewatered by vacuum deep wells 6 from the groundwater level 4 to a marl layer 8, so that underground tubes 1 can be pre-built in the dry.
  • the external pressure of the groundwater 4 standing in silt or fine sand 7 is absorbed by the sealing walls 2.
  • the sealing walls 2 are integrated in the marl layer 8. The construction site is below the ground level.
  • the sealing walls 2 shows the underground laying of subway tunnels 1 under the upper edge 10 of the site.
  • the sealing walls 2 shield the groundwater level 4.
  • the bottom 5 enclosed by the sealing walls 2 is dewatered by the vacuum wells 6, which are arranged in the two working tunnels 11. Thereby there is a drained and stabilized soil zone 5 between the sealing walls 2, in which the propulsion can take place dry.
  • Fig. 3 shows the laying of underground tubes 1, which are laid under the building 12 in the dry.
  • the floor 5 enclosed by the sealing walls 2 is dewatered by the vacuum deep wells 6 down to the marl layer B, so that the underground structure in the dewatered and stabilized. Soil 5 can be created.
  • FIG. 4 shows an embodiment in which the sealing sleeve 3 consists of sealing walls 2 arranged in a roof shape. In this arrangement, an additional compaction effect is achieved by the pressure of the outside water level 4 on the enclosed soil masses 5.
  • the elastic sealing walls 2 adapt to a volume reduction directly without impairing the sealing function.
  • the roof of the sealing sleeve is clearly pulled up to surface 13.
  • the roof i.e. the sealing walls 2, however, clearly pulled down to marl layer 8.
  • the volume of the sealing sleeve 3 is limited by the recessed sealing walls 2 and the area of action is narrowly restricted to the drainage zone 5.
  • This embodiment is particularly suitable for deep-lying construction pits, in order to prevent air from entering from outside in addition to the outside water 4 in the case of an internal vacuum drainage and thus to make the vacuum particularly effective for the associated soil stabilization.
  • Fig. 6 shows an embodiment in which the sealing walls 2 are embedded deeply in the marl layer 8, so that the enclosed sealing sleeve 3 can be made very spatially restricted.
  • the volume of the soil 5 to be stabilized and drained is advantageously very small in this embodiment.
  • the two subway tubes 1 are driven in the dry.
  • the degradation of the soil mass from the marl layer 8 is facilitated in that it can be compacted and stabilized by additional injections using the soil fracturing method.
  • a Soilcrete body 14 under the profiles of the subway tubes 1 serves to secure the hollow structure to the depth.
  • Fig. 7 shows floor plans of the elastic sealing wall 2, which can be formed from sealing strips 15 or from intersecting columns 16 or from their combinations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Soil Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Revetment (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Sealing Material Composition (AREA)
EP86100467A 1985-01-15 1986-01-15 Rideau imperméable et sa méthode de réalisation dans le but de créer des masses de terre autoportantes et déblayables pour la réalisation de constructions souterraines ainsi que des structures creuses ou similaires Expired - Lifetime EP0188282B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86100467T ATE67259T1 (de) 1985-01-15 1986-01-15 Abdichtung und deren herstellungsverfahren zur schaffung tragfaehiger, abbaufaehiger bodenmassen fuer die ausfuehrung von untertagebauwerken, wie hohlraumbauten oder dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3501128 1985-01-15
DE3501128A DE3501128C3 (de) 1985-01-15 1985-01-15 Abdichtung für die Ausführung von Untertagebauwerken

Publications (3)

Publication Number Publication Date
EP0188282A2 true EP0188282A2 (fr) 1986-07-23
EP0188282A3 EP0188282A3 (en) 1988-03-16
EP0188282B1 EP0188282B1 (fr) 1991-09-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86100467A Expired - Lifetime EP0188282B1 (fr) 1985-01-15 1986-01-15 Rideau imperméable et sa méthode de réalisation dans le but de créer des masses de terre autoportantes et déblayables pour la réalisation de constructions souterraines ainsi que des structures creuses ou similaires

Country Status (4)

Country Link
US (1) US5722800A (fr)
EP (1) EP0188282B1 (fr)
AT (1) ATE67259T1 (fr)
DE (2) DE3501128C3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992002692A1 (fr) * 1990-08-01 1992-02-20 Compagnie Du Sol Procede de construction d'un ouvrage enterre, notamment d'un parc de stationnement, preservant des obstacles tels que des arbres
EP0810327A1 (fr) * 1995-12-13 1997-12-03 Kabushiki Kaisha Kobe Seiko Sho Procede et dispositif de construction de murs continus souterrains
CN108119149A (zh) * 2018-01-02 2018-06-05 兰州理工大学 一种下穿既有建筑物的隧道支护结构及施工方法
CN108756885A (zh) * 2018-05-14 2018-11-06 西安建筑科技大学 一种矿岩极破碎的急倾斜矿体的下向或上向胶结充填机械化采矿方法
CN109252863A (zh) * 2018-11-13 2019-01-22 湖南黄金洞矿业有限责任公司 一种利用煤巷掘进机开采破碎型厚矿体的方法

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DE3621884A1 (de) * 1985-07-22 1987-01-29 Kunz Alfred & Co Verfahren zum bau und/oder vortrieb von rohren
DE3715287A1 (de) * 1987-05-08 1988-12-22 Gkn Keller Gmbh Verfahren zum verfestigen von bodenabschnitten
DE3718631A1 (de) * 1987-06-03 1988-12-22 Gkn Keller Gmbh Kombiniertes injektionsverfahren sowie vorrichtung zur herstellung eines hochverfestigten bodenvolumens bei gleichzeitiger stabilisierung des angrenzenden bodens
US6123484A (en) * 1997-01-29 2000-09-26 Fujita; Takatoyo Soil pile and method for constructing the same
DE19856640C2 (de) * 1998-12-03 2001-12-06 P D Glas Und Feuerfestwerke We Bergbau-Formstein zur Herstellung langzeitstabiler untertägiger Verschlußelemente für untertägige Hohlräume
WO2006104227A1 (fr) * 2005-03-29 2006-10-05 Kajima Corporation Procédé consistant à ajuster la teneur en eau d'une matière
ES2361702B2 (es) * 2009-12-09 2011-11-02 Universidad De Alicante Procedimiento para la ejecución de túneles o perforaciones en obra civil mediante tuneles de sacrificio.
CN102031788B (zh) * 2010-12-08 2012-08-08 广西建工集团第五建筑工程有限责任公司 无防水设计地下室深井降水防水施工法
JP6552278B2 (ja) * 2015-05-29 2019-07-31 大成建設株式会社 トンネル施工方法
JP2018084040A (ja) * 2016-11-21 2018-05-31 鹿島建設株式会社 地盤改良方法、及び、地盤構造
JP6775414B2 (ja) * 2016-12-27 2020-10-28 鹿島建設株式会社 地盤掘削方法
US10465355B2 (en) * 2017-09-06 2019-11-05 Uretek Usa, Inc. Injection tube countersinking
CN111005759A (zh) * 2019-12-04 2020-04-14 中交第二公路勘察设计研究院有限公司 一种适用于寒冷地区的超长隧道清污分离排水结构
CN112228081A (zh) * 2020-10-24 2021-01-15 中铁一局集团有限公司 一种盾构隧道侧穿高铁高架桥桩基的加固方法
CN116263053B (zh) * 2021-12-14 2024-06-18 中国五冶集团有限公司 一种真空吸力型抗浮锚杆
CN114908798A (zh) * 2022-05-11 2022-08-16 广州地铁设计研究院股份有限公司 一种既有地铁区间上方开挖的地铁保护工法

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992002692A1 (fr) * 1990-08-01 1992-02-20 Compagnie Du Sol Procede de construction d'un ouvrage enterre, notamment d'un parc de stationnement, preservant des obstacles tels que des arbres
EP0810327A1 (fr) * 1995-12-13 1997-12-03 Kabushiki Kaisha Kobe Seiko Sho Procede et dispositif de construction de murs continus souterrains
EP0810327A4 (fr) * 1995-12-13 1999-01-27 Kobe Steel Ltd Procede et dispositif de construction de murs continus souterrains
US6139225A (en) * 1995-12-13 2000-10-31 Kabushiki Kaisha Kobe Seiko Sho Method for building an underground continuous wall
CN108119149A (zh) * 2018-01-02 2018-06-05 兰州理工大学 一种下穿既有建筑物的隧道支护结构及施工方法
CN108119149B (zh) * 2018-01-02 2019-04-09 兰州理工大学 一种下穿既有建筑物的隧道支护结构及施工方法
CN108756885A (zh) * 2018-05-14 2018-11-06 西安建筑科技大学 一种矿岩极破碎的急倾斜矿体的下向或上向胶结充填机械化采矿方法
CN109252863A (zh) * 2018-11-13 2019-01-22 湖南黄金洞矿业有限责任公司 一种利用煤巷掘进机开采破碎型厚矿体的方法

Also Published As

Publication number Publication date
DE3681298D1 (de) 1991-10-17
EP0188282B1 (fr) 1991-09-11
DE3501128A1 (de) 1986-07-17
ATE67259T1 (de) 1991-09-15
DE3501128C2 (fr) 1988-07-14
EP0188282A3 (en) 1988-03-16
US5722800A (en) 1998-03-03
DE3501128C3 (de) 1998-11-12

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