EP2080836A3 - Method for fixing soil sections and device for executing the method - Google Patents

Method for fixing soil sections and device for executing the method Download PDF

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Publication number
EP2080836A3
EP2080836A3 EP09000653A EP09000653A EP2080836A3 EP 2080836 A3 EP2080836 A3 EP 2080836A3 EP 09000653 A EP09000653 A EP 09000653A EP 09000653 A EP09000653 A EP 09000653A EP 2080836 A3 EP2080836 A3 EP 2080836A3
Authority
EP
European Patent Office
Prior art keywords
injection
drill
injection tube
soil
tube
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
EP09000653A
Other languages
German (de)
French (fr)
Other versions
EP2080836B1 (en
EP2080836A2 (en
Inventor
Walter Münch
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.)
DMI Injektionstechnik GmbH
Original Assignee
DMI Injektionstechnik 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
Application filed by DMI Injektionstechnik GmbH filed Critical DMI Injektionstechnik GmbH
Publication of EP2080836A2 publication Critical patent/EP2080836A2/en
Publication of EP2080836A3 publication Critical patent/EP2080836A3/en
Application granted granted Critical
Publication of EP2080836B1 publication Critical patent/EP2080836B1/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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
    • 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

Abstract

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Verfestigen von Bodenabschnitten, insbesondere für Hebungsinjektionen, wobei ausgehend von beabstandeten Bohrungen in Verbindung mit dem Einbringen von Injektionsmedien eine Hebungsinjektion, Bodenverfestigung, Kluftinjektion oder Rohrschirminjektion erfolgt, dabei zunächst Bohrungen in den Boden eingebracht und anschließend über ein mehrfach verpressbares Injektionsrohr ein Injektionsmedium eingepresst wird.The invention relates to a method and an apparatus for solidifying soil sections, in particular for lifting injections, starting from spaced holes in conjunction with the introduction of injection media, a lifting injection, soil consolidation, fracture injection or Rohrschirminjektion done, first introduced holes in the ground and then on a repeatedly injectable injection tube an injection medium is pressed.

Während es Aufgabe der Erfindung ist, ein Verfahren sowie eine Vorrichtung der eingangs genannten Art im Sinne einer Verfahrensoptimierung, insbesondere beim Bohren gegen drückendes Wasser, derartig weiterzubilden, dass bei Reduzierung der Anzahl von Arbeitsgängen, kleinem Bohrdurchmesser und leistungsschwächerem Bohrgerät, ohne aufwändigem Ausbau des Außenbohrgestänges vor der Injektion eine einen Bodenentzug und damit Setzungen vermeidende Arbeitweise ermöglicht wird, die Einbaubarkeit des Injektionsrohres (Manschettenrohres) uneingeschränkt abgesichert und durch die Gewährleistung der Lagesicherung für das Injektionsrohr eine gezielte Einbringung des Injektionsmediums im Boden vorgenommen sowie das Bohren auch unter engen räumlichen Verhältnissen (im Bereich von Tunnelvortriebsmaschinen; in Röhren und Kellern o. ä.) gewährleistet werden kann, wird diese bei einem gattungsgemäßen Verfahren dadurch gelöst, dass ein stählernes, selbst als mehrfach verpressbares Injektionsrohr (Manschettenrohr) (4) ausgestaltetes und bodenseitig mit einer Bohrkrone (3) ausgestattetes Außenbohrgestänge (1) direkt in den Boden (15) eingebohrt wird, eine Mantelmischung (16) direkt beim Bohren oder nach dem Erreichen der Endeinbohrtiefe über das Innengestänge (2) und die Bohrkrone (3) eingebracht, das Innengestänge (2) gezogen und anschließend das Verpressen des Injektionsmediums (18) in den einzelnen Stufen (elastische Manschetten in Längserstreckung des Injektionsrohres) mittels eines, in das Injektionsrohr (4) eingebauten Packers (19) vorgenommen wird, wobei das Injektionsrohr (4) im Boden (15) als verlorenes Bohr- und Injektionsrohr (4) mit Bohrkrone (3) verbleibt oder nach der Injektion zurückgebaut wird.

Figure imgaf001
While it is an object of the invention, a method and an apparatus of the type mentioned in the sense of process optimization, especially when drilling against oppressive water, such further that with a reduction in the number of operations, small diameter drill and less powerful drill without costly expansion of the outer drill pipe Before the injection, a soil removal and thus settlements avoiding work is made possible, the installation of the injection tube (sleeve tube) fully secured and made by ensuring the position assurance for the injection tube targeted introduction of the injection medium in the soil and drilling even in tight space conditions (im In tunnels and basements or the like), this is achieved in a generic method in that a steely, even as multiple compressible Inj an outer drill rod (1) equipped with a drill bit (3) is drilled directly into the soil (15), a casing mixture (16) directly during drilling or after reaching the Endinbohrtiefe on the inner rod (2 ) and the drill bit (3) introduced, the inner rod (2) pulled and then the compression of the injection medium (18) in the individual stages (elastic cuffs in the longitudinal extension of the injection tube) by means of a, in the injection tube (4) built-in packer (19) is made, wherein the injection tube (4) in the bottom (15) as a lost drill and injection tube (4) with drill bit (3) remains or is dismantled after the injection.
Figure imgaf001
EP20090000653 2008-01-21 2009-01-19 Method for fixing soil sections and device for executing the method Active EP2080836B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810005452 DE102008005452B4 (en) 2008-01-21 2008-01-21 Process for consolidating soil sections and device for carrying out the process

Publications (3)

Publication Number Publication Date
EP2080836A2 EP2080836A2 (en) 2009-07-22
EP2080836A3 true EP2080836A3 (en) 2012-07-11
EP2080836B1 EP2080836B1 (en) 2013-08-28

Family

ID=40545821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090000653 Active EP2080836B1 (en) 2008-01-21 2009-01-19 Method for fixing soil sections and device for executing the method

Country Status (2)

Country Link
EP (1) EP2080836B1 (en)
DE (1) DE102008005452B4 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010033519A1 (en) * 2010-08-05 2012-02-09 Hypersond Gmbh Method for introducing geothermal probe into bore hole, involves supporting borehole during formation and grouting of borehole, and coupling probe with drill string whose drill head is pushed to central portion of borehole
DE102013008621B4 (en) * 2013-05-21 2016-08-04 Bauer Spezialtiefbau Gmbh Apparatus and method for supervised production of a high pressure injection body
US10855132B2 (en) * 2015-07-22 2020-12-01 Top Co., Ltd. Bus bar unit, rotary electric machine having the same, and manufacturing method of bus bar unit
DE202017101325U1 (en) 2017-03-08 2017-03-24 Hans Böck Gmbh & Co. Device for anchoring a vertical component in a borehole
CN107096793A (en) * 2017-06-21 2017-08-29 南京贻润环境科技有限公司 It is a kind of to be used for the high-pressure injection boring rod set of in-situ immobilization soil and underground water pollution
CN107816041B (en) * 2017-10-24 2023-02-07 建研地基基础工程有限责任公司 Non-dumping hole-forming prestressed anchor rod, anchor hole leakage-proof structure and construction method thereof
IT201800007020A1 (en) 2018-07-09 2020-01-09 SYSTEM AND PROCEDURE FOR INJECTION OF EXPANDING RESINS IN SOILS TO BE CONSOLIDATED.
CN111321735A (en) * 2020-03-06 2020-06-23 中南林业科技大学 Mechanical pressure dispersion type recoverable anchor rod device
CN113668503B (en) * 2021-08-30 2023-09-01 西藏天顺路桥工程有限公司 Grouting device and grouting method for highway bridge construction
CN115419291B (en) * 2022-09-02 2024-02-06 中铁十一局集团有限公司 Secondary structure bar planting device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290616A1 (en) * 1974-11-07 1976-06-04 Soletanche CLOSURE DEVICE, ESPECIALLY FOR INJECTION TUBES
DE9004177U1 (en) * 1990-04-11 1990-06-28 Bergwerksverband Gmbh, 4300 Essen, De
DE10148683C1 (en) * 2001-10-02 2002-10-24 Schmidt & Co Gmbh Kranz Injection bore anchor has steel tube with smooth outer surface section and bore drive with exchangeable adaptor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3718631A1 (en) * 1987-06-03 1988-12-22 Gkn Keller Gmbh Combined injection method as well as apparatus for producing a highly consolidated soil volume while simultaneously stabilising the adjacent soil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290616A1 (en) * 1974-11-07 1976-06-04 Soletanche CLOSURE DEVICE, ESPECIALLY FOR INJECTION TUBES
DE9004177U1 (en) * 1990-04-11 1990-06-28 Bergwerksverband Gmbh, 4300 Essen, De
DE10148683C1 (en) * 2001-10-02 2002-10-24 Schmidt & Co Gmbh Kranz Injection bore anchor has steel tube with smooth outer surface section and bore drive with exchangeable adaptor

Also Published As

Publication number Publication date
DE102008005452A1 (en) 2009-07-30
EP2080836B1 (en) 2013-08-28
DE102008005452B4 (en) 2009-12-31
EP2080836A2 (en) 2009-07-22

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