EP0898052B1 - Verfahren zum Abdichten von unterirdischen Hohlräumen gegen Wassereintritt - Google Patents

Verfahren zum Abdichten von unterirdischen Hohlräumen gegen Wassereintritt Download PDF

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Publication number
EP0898052B1
EP0898052B1 EP98115235A EP98115235A EP0898052B1 EP 0898052 B1 EP0898052 B1 EP 0898052B1 EP 98115235 A EP98115235 A EP 98115235A EP 98115235 A EP98115235 A EP 98115235A EP 0898052 B1 EP0898052 B1 EP 0898052B1
Authority
EP
European Patent Office
Prior art keywords
sealing
concrete
sealing system
tunnel
bitumen
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.)
Expired - Lifetime
Application number
EP98115235A
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German (de)
English (en)
French (fr)
Other versions
EP0898052A1 (de
Inventor
Johann Köster
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.)
Koster Bauchemie GmbH
Original Assignee
Koster Bauchemie 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
Priority claimed from DE19751257A external-priority patent/DE19751257A1/de
Application filed by Koster Bauchemie GmbH filed Critical Koster Bauchemie GmbH
Publication of EP0898052A1 publication Critical patent/EP0898052A1/de
Application granted granted Critical
Publication of EP0898052B1 publication Critical patent/EP0898052B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall

Definitions

  • the present invention relates to a method for sealing of underground cavities against water ingress.
  • Underground cavities can include tunnels, tunnels, shafts, Pipes and caverns.
  • Such cavities and the systems located therein require protection against Moisturization through groundwater, mountain water or surface water. To do this, either the mountains must be injected waterproofed or the structure itself be sealed. Injection systems are predominantly used used, which are complex and costly. often the water looks for other ways, which then also again are difficult to seal. Because of this lies the sealing of the building itself close, even if this is carried out extremely laboriously must become. Sealing is carried out by means of sealing membranes (membranes) in spots or strips z. B. attached to the ceilings and walls of a tunnel and then z. B. with a layer of in-situ concrete or concrete parts. often does it come z. B.
  • CH 560 811 A describes a method for sealing underground cavities against Ingress of water which comprises the following steps: applying concrete to at least part of the rock surrounding the cavity, applying a moisture-insensitive Sealing layer in the form of an adhesive layer by spraying, applying a film as part of an elastic sealing system on the dry sealing layer, Applying another layer of adhesive and expanding the cavity.
  • the known sealing layer is not a seal for active water seepage possible.
  • the application of the sealing layer in the form of Adhesive layer on leaky surfaces make subsequent sealing impossible as soon as the concrete surfaces are contaminated with the adhesive layer.
  • Adhesive layers should be noted that in each bitumen rubber layer water is included, which is either chemically bound or has to dry out. With that in the However, the method described above, drying is not possible, only a hardening is conceivable.
  • the invention is therefore based on the object of a method for sealing underground Provide cavities against water ingress that are easy to use, inexpensive and is effective.
  • the underground Cavity is a tunnel.
  • the concrete is preferably shotcrete.
  • the concrete is additionally applied to the floor of the tunnel becomes.
  • the further steps according to the invention have been listed, thus penetration of the groundwater both on the ceiling and on the walls and completely prevented on the floor. Because this particular embodiment of the method does not lead to permanent lowering of the groundwater, it is used especially when if permanent groundwater subsidence is not possible or is not wanted.
  • the expansion of the tunnel is then to be calculated statically in such a way that not only sufficient back pressure against the upcoming soil or against the upcoming rocks but also against the groundwater under full pressure.
  • the concrete is preferably applied to the concrete by pouring or painting.
  • a flow point sealing system at least in the area of water leaks the sealing layer is applied.
  • the pour point sealing system serves of course not only for sealing flow pillars but also flow areas. It is primarily necessary when there is a high groundwater pressure.
  • a drainage device for draining off in the ceiling and Wall area existing water is installed in the floor area of the tunnel.
  • the Drainage equipment is used to drain the groundwater into the floor area of the tunnel and reduce the pressure on the tunnel.
  • steel girders are advantageously used Double-T girders, at least on the ceiling and in the transverse direction of the tunnel Clamped walls of the tunnel.
  • the sealing layer is preferably a sealing slurry, which in one or several operations is applied.
  • the sealing slurry is used for drying the surface of the possibly still moist concrete. It must be on damp or wet Adhere and bind to the surface and must of course seal the damp Effect surfaces.
  • the sealing slurry is mineral.
  • sealing slurry is cement-bound.
  • the sealing slurry with a liquid, e.g. B. water mixed.
  • a liquid e.g. B. water mixed.
  • the sealing slurry can also be sprayed or brushed on be applied.
  • the elastic sealing system is glued on.
  • a material is used as the sealing system that is also after the gluing sticks strongly. This ensures that there is a connection to both sides and the groundwater cannot run behind on either side.
  • the elastic sealing system is one Rubber-bitumen mixture that when heated through Splash is applied. With a suitable sprayer can be applied evenly the elastic Reach the sealing system on the surface.
  • the Rubber-bitumen mixture is characterized by an enormous Elasticity, which is in the range of 2000%.
  • the Rubber-bitumen mixture is a latex-bitumen mixture.
  • the elastic Sealing system a cold or hot processable bitumen or mixed bitumen product.
  • bitumen or bitumen mixed product a two-component bitumen thick coating includes.
  • the elastic Sealing system includes a synthetic resin coating.
  • the synthetic resin coating made of polyurethane, polysulfide, elasticized Epoxy resin, acrylic or silicone.
  • the elastic waterproofing system at least one bitumen or Includes high polymer web by gluing over the entire surface is applied.
  • this type of sealing is normal only possible with relatively flat surfaces.
  • pour point sealing system a quick-setting cement-bound waterproofing cement includes.
  • the pour point sealing system a sealing material, e.g. injection resin or cement-bonded glues Injection in water leaks is applied.
  • the pour point sealing system is multi-component.
  • the pour point sealing system comprises a fast-setting cement-bound Waterproofing powder that is dry in the range of Water leaks rubbed into the sealing layer and a hardening and silicification liquid that is applied to the rubbed sealing powder, being on the resulting floating point sealing system a moisture-resistant sealing layer in at least is applied in one operation.
  • a fast-setting cement-bound Waterproofing powder that is dry in the range of Water leaks rubbed into the sealing layer
  • a hardening and silicification liquid that is applied to the rubbed sealing powder, being on the resulting floating point sealing system a moisture-resistant sealing layer in at least is applied in one operation.
  • the inner concrete shell In-situ concrete which is processed as cast or shotcrete, will be produced.
  • the invention is based on the surprising finding that through the use of sprayable and / or spreadable as well as inexpensive materials a simple and inexpensive Installation of a seal is possible.
  • the brushable and / or sprayable sealing products too directly on bushings e.g. Connect doors, pipes, etc. without special sealing constructions must be created.
  • any Reasons e.g. after the appearance of a very wide crack, leakage is a repair without great effort possible. For example, you would in this Fall into the visible water leak a sealing Inject material under pressure directly above the waterway to the sealing system through the sealing system would heal through it.
  • Fig. 1 shows a section on the right through a removed Tunnel 10 and an enlarged section on the left.
  • the Tunnel 10 is constructed according to a first embodiment of the invention Process sealed as follows:
  • the tunnel 10 is built in the usual way in the shell. Likewise, in the usual way at intervals of 0.7 to 1.2 m steel girder (not shown), mainly double-T girder, across the tunnel on the ceiling and on the walls clamped. Be behind or next to the steel beams or several drainage pipes (not shown). This should be in contact with rock 12 if possible. Only then is shotcrete 14 applied in the usual way Inner surface applied. The existing groundwater will be via the drainage pipes laterally into the floor area of the Tunnels 10 dissipated. The shotcrete 14 is used for surface hardening but also to compensate for that uneven rock 12.
  • the shotcrete surface becomes with a moisture-resistant sealing layer in the form of a commercially available cement-bound sealing slurry 16 provided in one or more operations.
  • the application is preferably done by spraying that mixed with a liquid, preferably water Sealing slurry 16 on the shotcrete surface.
  • the sealing slurry 16 adheres to moist or wet shotcrete surface and sets this. About that In addition, the sealing slurry 16 effects a seal of the damp surfaces.
  • an elastic sealing system is in shape an elastic hot spray compound 18 on the now dry Applied underground.
  • an inner concrete shell 20 is introduced in the usual way.
  • the groundwater present is drained from the ceiling and the walls into the floor area of the tunnel 10, where it is discharged by means of further drainage pipes (not shown).
  • the advantage of such a seal consists in the relatively simple possibility of solving the problem of the water present by simply draining it away, and also in the static absorption force for existing groundwater that is not to be taken into account in the concrete inner shell. There is no pressing water in the area of the seal, as this is drained through the drainage pipes.
  • Such a seal can of course only be used if the groundwater or rock above it is allowed to withdraw the groundwater. Groundwater withdrawal can lead to subsidence, for example, which can severely damage buildings above or in the area of the tunnel. Lowering groundwater could severely damage listed buildings, protected landscapes, power plants, individual buildings, cities or villages.
  • FIG. 2 to 6 show a sequence of steps of a second embodiment of the method according to the invention.
  • a pour point sealing system 17 for plugging water leaks of which only one water leak 22 is shown applied.
  • a flow point sealing system is particularly then required if there are high groundwater pressures. This is given, among other things, if the floor area of the tunnel 10 is sealed. Such a seal is mainly used when permanent groundwater subsidence are not possible or are not wanted.
  • Fig. 2 is shotcrete 14 applied to the rock 12.
  • the Shotcrete 14 has a water leak 22.
  • 3 is a sealing slurry 16 applied to the shotcrete 14.
  • FIG. 7 and 8 are a conventional one Membrane seal sealed crack and one by means of a Embodiment of the method according to the invention sealed Crack compared.
  • the reference numeral 24 marked water. This is pressing through a crack 26.
  • the water penetrating 24 is indeed in the area of the crack 26 by a membrane seal 28 not allowed inside the tunnel, but can possibly at a different location in the tunnel interior reach.
  • an inventive Sealing the penetrating water in no Walk in the direction.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Architecture (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Building Environments (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Paper (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
EP98115235A 1997-08-15 1998-08-13 Verfahren zum Abdichten von unterirdischen Hohlräumen gegen Wassereintritt Expired - Lifetime EP0898052B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19735609 1997-08-15
DE19735609 1997-08-15
DE19751257A DE19751257A1 (de) 1997-08-15 1997-11-19 Verfahren zum Abdichten von unterirdischen Hohlräumen gegen Wassereintritt
DE19751257 1997-11-19

Publications (2)

Publication Number Publication Date
EP0898052A1 EP0898052A1 (de) 1999-02-24
EP0898052B1 true EP0898052B1 (de) 2003-10-29

Family

ID=26039212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98115235A Expired - Lifetime EP0898052B1 (de) 1997-08-15 1998-08-13 Verfahren zum Abdichten von unterirdischen Hohlräumen gegen Wassereintritt

Country Status (3)

Country Link
EP (1) EP0898052B1 (xx)
AT (1) ATE253172T1 (xx)
TR (1) TR199801588A2 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614129B (zh) * 2009-08-10 2011-07-27 招商局重庆交通科研设计院有限公司 隧道防排水系统的施工方法
CN104373138A (zh) * 2014-10-13 2015-02-25 中南大学 一种隧道衬砌结构修复时防水层重塑的施工方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9815685D0 (en) * 1998-07-20 1998-09-16 Mbt Holding Ag Waterproofer
US6793441B2 (en) 2000-06-12 2004-09-21 W. R. Grace & Co.-Conn. Tunnel waterproofing method
US6767164B2 (en) 2000-06-12 2004-07-27 W. R. Grace & Co.-Conn. Tunnel waterproofing construction method
JP2001355398A (ja) * 2000-06-12 2001-12-26 Denki Kagaku Kogyo Kk トンネル防水方法
JP4459391B2 (ja) * 2000-06-12 2010-04-28 電気化学工業株式会社 トンネル防水工法
EP1697616B1 (en) * 2003-10-28 2008-10-22 Daniel Warren Method for reparing in-ground tunnel structures
US7270150B2 (en) 2005-06-14 2007-09-18 Warren Environmental, Inc. Method of lining a pipeline
WO2015161212A1 (en) 2014-04-17 2015-10-22 Daniel Warren Large diameter pipe lining and repair
CN106194255B (zh) * 2016-08-31 2017-11-03 东南大学 隧道防排水系统及其建造方法
CN112983499B (zh) * 2021-03-04 2023-02-03 南京康泰建筑灌浆科技有限公司 一种用于隧道的缝隙综合根治堵漏加固方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH441417A (de) * 1965-10-06 1967-08-15 Ironflex Ag Abdichtung von Wandungen gegen Druck- und Sickerwasser
AT318862B (de) * 1971-05-28 1974-11-25 Sika Ag Verfahren zum Abdichten der Wände von Ingenierbauwerken aus Beton
AT339948B (de) * 1975-06-30 1977-11-10 Iso Bau Abdichtungen Im Hoch U Verfahren zum befestigen einer abdichtungsfolie aus kunststoff auf einer unterlage und haltekorper zur befestigung von kunststoffolien zur durchfuhrung des verfahrens
DE2827757A1 (de) * 1978-06-24 1980-01-10 Johannes Heyen Tunnelabdichtung mit selbstklebender dichtungsbahn
DE2833148A1 (de) * 1978-07-28 1980-02-07 Dynamit Nobel Ag Abdichtung von wandungen gegen druckund/oder sickerwasser unter verwendung einer mehrschichtigen dichtungsbahn
SE453113B (sv) * 1986-02-11 1988-01-11 Bergab Berggeolog Undersoek Isoleringssystem for berganleggningar samt forfarande for att astadkomma systemet
FR2616175A1 (fr) * 1987-06-04 1988-12-09 Chatenoud Gilles Dispositif d'etanchement et de revetement d'un tunnel
DE19519595A1 (de) * 1995-05-29 1996-12-05 Niedlich Thorsten Verfahren zur Befestigung von Bahnen oder Platten für Abdichtungs- und Schutzzwecke an einem Untergrund im Ingenieur-, Tief-Wasser- und Tunnelbau
DE19521350A1 (de) * 1995-06-12 1996-12-19 Niedlich Thorsten Verfahren zur Herstellung einer aus mehreren Dichtungsbahnen bestehenden prüfbaren Abdichtung im Tunnelbau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614129B (zh) * 2009-08-10 2011-07-27 招商局重庆交通科研设计院有限公司 隧道防排水系统的施工方法
CN104373138A (zh) * 2014-10-13 2015-02-25 中南大学 一种隧道衬砌结构修复时防水层重塑的施工方法

Also Published As

Publication number Publication date
ATE253172T1 (de) 2003-11-15
TR199801588A3 (tr) 1999-03-22
EP0898052A1 (de) 1999-02-24
TR199801588A2 (xx) 1999-03-22

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