WO2005090690A1 - Verfahren und vorrichtung zum bohren eines loches in boden- oder gesteinsmaterial und zum ausbilden einer verankerung - Google Patents
Verfahren und vorrichtung zum bohren eines loches in boden- oder gesteinsmaterial und zum ausbilden einer verankerung Download PDFInfo
- Publication number
- WO2005090690A1 WO2005090690A1 PCT/AT2005/000100 AT2005000100W WO2005090690A1 WO 2005090690 A1 WO2005090690 A1 WO 2005090690A1 AT 2005000100 W AT2005000100 W AT 2005000100W WO 2005090690 A1 WO2005090690 A1 WO 2005090690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- borehole
- drill bit
- tensioning
- elements
- drill
- Prior art date
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
- E02D5/80—Ground anchors
- E02D5/808—Ground anchors anchored by using exclusively a bonding material
-
- 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
Definitions
- the present invention relates to a method for drilling, in particular percussion or rotary percussion drilling, a hole in soil or rock material and for forming an anchorage in the hole, a drill hole being formed by introducing a drill bit mounted on a drill pipe and with the drill bit coupled clamping elements are introduced into the borehole during the drilling process, the drill pipe being detached from the drill bit and removed from the borehole after completion of the borehole and a curable fluid being removed via a cavity in the drill pipe during removal of the drill pipe from the borehole Borehole is introduced.
- the present invention further relates to a device for drilling, in particular percussion or rotary impact drilling, a hole in soil or rock material and for forming an anchor, wherein a drill hole is formed by introducing a drill bit and clamping elements coupled to the drill bit during the drilling process are introduced into the borehole, with the drill string being detached from the drill bit and removed from the borehole after completion of the borehole, the ⁇ .
- Drill string is formed with a cavity extending substantially in the longitudinal direction of the drill string for introducing a curable fluid into the borehole during removal of the drill string from the borehole.
- a method and a device of the type mentioned above can be found, for example, in DE-OS 1 634 237.
- tensioning elements or tensioning strands are used of drilling equipment is inserted into a borehole, the drilling equipment consisting of a drill bit and a drill pipe, and after completion of the borehole, a curable fluid is introduced into the borehole via the hollow drill pipe.
- the aim is in particular to simultaneously introduce the clamping elements into the borehole during the drilling process, since according to previously known methods, after completion of a borehole and removal of the drilling device, clamping elements were introduced into the borehole in a separate working step and subsequently curable fluid has been introduced into the borehole.
- a disadvantage of these known embodiments is the fact that a hardening of the hardenable fluid must be waited for a tensioning or centering of the tensioning elements, since before hardening during tensioning of the tensioning elements, these would be pulled out and removed directly from the borehole, since no anchoring or Securing of the tensioning elements before hardening of the hardenable fluid is provided.
- the aim of the present invention is, starting from a method and a device of the type mentioned, to enable centering and at least preliminary or provisional tensioning of the tensioning elements essentially immediately after completion of the borehole and introduction of the curable fluid, without any possibly lengthy curing to wait for the curable fluid in a borehole which may have a large length.
- a method of the type mentioned is essentially characterized in that the drill bit and / or the tensioning elements is or are secured at the end region facing the interior of the borehole on the borehole wall and that tensioning and / or centering of the tensioning elements is carried out by partially twisting or twisting while shortening the effective length thereof.
- Such provisional tensioning and / or centering of the tensioning elements ensures that they extend properly in the borehole over the entire length and are evenly distributed in the borehole, so that after a final hardening of the hardenable material and a further tensioning of the tensioning elements uniform force transmission and distribution over the entire cross-section of the borehole is ensured by the clamping elements.
- the tensioning elements are arranged essentially loosely in the borehole and may have angled areas or kinks, so that in the event that a hardening for tensioning the tensioning elements Ten of the curable material would have to be waited for, as is the case with the prior art, possibly resulting in an uneven force distribution or introduction over the cross section of the borehole.
- inventive securing of the drill bit and / or the associated tensioning elements and centering or at least provisional tensioning of the tensioning elements while shortening the effective length thereof can prevent such an uneven arrangement of the tensioning elements and it is in particular reliably ensured that all tensioning elements are essentially are evenly distributed over the cross-section of the borehole, properly tensioned and arranged in a straight line in order to be able to introduce or absorb correspondingly high forces after the hardenable material has hardened.
- the tensioning and / or centering of the tensioning elements is carried out after removal of the drill pipe and introduction of the hardenable fluid, so that, in particular when twisting or twisting to center and tensioning the tensioning elements, there is no influence from the there is to be feared essentially drill pipe arranged in the center of the borehole, via which the curable fluid is introduced into the interior of the borehole.
- the tensioning elements are formed in a manner known per se from a plurality of wires or ropes essentially radially surrounding the drill string, which are non-rotatably supported relative to the borehole wall during drilling of the borehole.
- a corresponding number of wires or ropes, which form the tensioning elements and are arranged essentially radially around the drill pipe a uniform introduction of force is subsequently ensured by the tensioning elements and the tensioning elements can also be reliably introduced during the drilling process.
- Hiebei is provided according to the invention that, despite a possible rotational movement of the drill bit and thus of the drill string, the tensioning elements are non-rotatably mounted relative to the borehole wall in order to twist or twist the tensioning elements about the borehole axis defined by the drill string during the drilling process while simultaneously shortening the to avoid effective length of the clamping elements.
- the clamping elements are secured to a sleeve-shaped element arranged on the end of the drill bit facing away from the surface of the bit.
- the sleeve-shaped element is secured at the end of the drill bit facing away from the removal surface of the bit.
- the drill bit and / or the tensioning elements are secured according to the invention, in particular at the end facing the interior of the borehole, for subsequent centering and subsequent, at least provisional tensioning of the tensioning elements.
- Such a secured fixing, in particular in the end area facing the interior of the borehole, can thereby be achieved are supported that the sleeve-shaped element is expanded at least over a partial area of its circumference and / or its longitudinal extent when tensioning and / or centering the tensioning elements, as this corresponds to a further preferred embodiment of the method according to the invention.
- the tensioning elements can be additionally tensioned, and in this context, according to a further preferred embodiment, it is proposed that after the borehole be filled with hardenable fluid and hardened in a manner known per se a further tensioning of the tensioning elements is carried out by further twisting or twisting.
- a device of the type mentioned above is also essentially characterized in that anchoring or fixing elements for anchoring to the inner wall of the borehole are provided on the drill bit at the end facing away from the mining area and / or on the tensioning elements, and that the clamping elements at the end projecting from the borehole to twist or twist while shortening the effective length of the same for clamping or centering are acted upon.
- the drill bit and / or the tensioning elements can thus be reliably secured, in particular at the end facing the interior of the borehole, so that subsequent centering and / or at least provisional or precautionary tensioning of the tensioning elements can take place before the hardenable material hardens ,
- Such a shortening of the effective length of the clamping elements can be carried out in a particularly simple manner by twisting or twisting the same, so that a correct distribution of the clamping elements over the cross section of the borehole is made available and a uniform introduction of force or absorption can be ensured.
- the tensioning elements are formed by a plurality of wires or ropes essentially radially surrounding the drill string, which are relative to the drill bit during the formation of the borehole are non-rotatably mounted to the borehole wall. Reliable insertion can also be ensured by mounting the tensioning elements on the drill bit non-rotatably relative to the borehole wall during insertion.
- a sleeve-shaped element is mounted on the drill bit or a interacting impact shoe on the end of the drill bit facing away from the excavation surface, the clamping elements on the sleeve shaped element are set.
- the sleeve-shaped element has a slot running in the longitudinal direction and can be expanded when clamping and / or centering the clamping elements is.
- a structurally simple and secure fixing of the tensioning elements via the sleeve-shaped element as well as a reliable expansion during centering or tensioning is also ensured by the fact that the sleeve-shaped element on the drill bit or a interacting impact shoe on one of the Dismantling area is secured before the fixing area extending away and having an increasing outside diameter, as this corresponds to a further preferred embodiment of the device according to the invention.
- Fixing the device in particular in the end facing the interior of the borehole is provided according to a further preferred embodiment that the fixing elements of at least one projecting from the outer circumference of the drill bit and / or the sleeve-shaped element, in particular fold-out hook or the like. is formed.
- Such hooks enter the surrounding rock or soil material and thus provide security when the tensioning elements are tensioned.
- FIG. 1 shows schematic side views of different steps in carrying out the method according to the invention using the device according to the invention
- FIG. La showing a step of the drilling process according to the invention
- FIG. 1b showing a step of securing the drill bit and / or the clamping elements on the Shows the borehole wall, with the drill pipe already removed
- FIG. 1c shows a step of tensioning and / or centering the tensioning elements
- FIG. 2 shows a schematic, perspective illustration of the device according to the invention for carrying out the method according to the invention
- FIG. 3 shows, on an enlarged scale, a section through the area of the drill bit and an adjoining impact shoe and a sleeve-shaped element for fixing or inserting the clamping elements;
- 4 are schematic enlarged scale views • of fastener elements to secure the device and Fig. and / or of the clamping elements in particular at the end facing the borehole interior end, wherein Fig. 4a shows the state of completely extended or widened fixing elements and FIG. 4b shows an intermediate position of the fastener elements ,
- Fig. 1 different steps in the production of a borehole using a generally designated 1 device for drilling, in particular percussion or rotary impact drilling a hole 2 in a soil or rock material schematically indicated by 3 are indicated.
- a drill bit indicated schematically by 4
- a drive rod not shown in FIG to be formed
- removal elements 6 being indicated on the drill bit 4.
- the drill bit 4 is connected via an intermediate element 7, which will be discussed in more detail below and in particular with reference to FIGS. 3 and 4, with a striking shoe 8, which is shown more clearly in particular in FIG. 3, with 8 striking shoe sleeve-shaped element 9 is mounted, which for securing and
- the tensioning elements 10 are introduced non-rotatably to the borehole wall 2 in the borehole along the arrow 11, in addition to a definition in the region of the sleeve-shaped element 9, as will become clearer in Fig. 2, in particular -
- a bearing disc or a bearing ring 12 is provided, on which the tensioning elements 10 formed by wires or ropes are mounted.
- the curable fluid which has been introduced into the borehole 2 has not yet been completely cured, so that the desired centering or at least provisional clamping of the clamping elements 10 can be reliably carried out.
- the sleeve-shaped element 9 is formed with a slot 16 running in the longitudinal direction, the sleeve-shaped element 9 being conically tapered in particular at its end 17 facing the interior of the borehole and attached to a corresponding counter surface on the impact shoe 8, as shown in FIG 3 is shown in more detail.
- the tensioning elements 10 are tensioned or twisted or twisted, the sleeve-shaped element 9 is subjected to a slight amount in the direction of an extension 13, and the outer circumference of the sleeve-shaped element 9 can be expanded by the provision of the longitudinal slot 16, so that the sleeve-shaped element 9 in attachment to the in Fig. lc reaches the borehole wall, not shown for the sake of clarity, whereby the anchoring effect of the fixing elements 14 is supported against being pulled out in the direction of arrow 13.
- the tensioning elements 10 can be tensioned further in the region of the bearing ring or the bearing disk 12.
- Fig. 2 it can be seen that the clamping elements 10 are secured in corresponding receptacles 18 at the end of the sleeve-shaped element 9 facing away from the interior of the borehole. Furthermore, the longitudinally extending slot 16 is again shown in FIG. 2, with additional slots 19 being indicated in the end area facing the interior of the borehole, which enable a corresponding widening.
- a striking shoe 8 adjoins the drill bit 4, this being similar to the conically tapering partial surface.
- Rich 25 of the sleeve-shaped element 9 is provided at its end facing away from the interior of the borehole with a conically widening partial area 20, so that when the tensioning elements (not shown in FIG. 3) are tensioned by moving the sleeve-shaped element 9 in turn with the 13 designated pull-out direction, a widening of the portion 25 of the sleeve-shaped element 9 facing the interior of the borehole and, subsequently, via the longitudinal slot 16 also of the adjoining, cylindrical portion of the sleeve-shaped element 9.
- Fig. 3 is also indicated that the drill string, the front part of which is designated 21, not only has a central cavity or channel 22, for example for introducing a cooling fluid during the drilling process into the area of the drill bit or drill head 4, but that outlet openings 23 are also provided, via which, when the drill pipe 5 is removed after completion of the borehole, as indicated in FIG. 1 a, the introduction of the curable fluid into the interior of the borehole via the central feed opening or the central channel 22 2 can be made.
- the fixing elements 14 for opening or anchoring the drill bit 4 and / or the clamping elements 10 or the sleeve-shaped element 9 are indicated schematically, in particular on the side facing the interior of the borehole, wherein it can be seen that the fixing elements 14 by one 24 designated axis pivotable, hook-shaped elements are formed, which during clamping or
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05714182A EP1727943A1 (de) | 2004-03-23 | 2005-03-22 | Verfahren und vorrichtung zum bohren eines loches in boden- oder gesteinsmaterial und zum ausbilden einer verankerung |
CA2559446A CA2559446C (en) | 2004-03-23 | 2005-03-22 | Method and device for drilling a hole in soil or rock material and for forming an anchoring |
JP2007504207A JP2007530824A (ja) | 2004-03-23 | 2005-03-22 | 土または岩の材料内に孔を掘削し、かつアンカーを形成するための方法および装置 |
AU2005224274A AU2005224274B2 (en) | 2004-03-23 | 2005-03-22 | Method and device for boring a hole in soil material or rock material and for forming an anchoring |
US11/523,655 US7287608B2 (en) | 2004-03-23 | 2006-09-20 | Method and device for drilling a hole in soil or rock material and for forming an anchoring |
HR20060333A HRP20060333A2 (en) | 2004-03-23 | 2006-10-03 | Method and device for boring a hole in soil material or rock material and for forming an anchoring |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA508/2004 | 2004-03-23 | ||
AT0050804A AT505959B1 (de) | 2004-03-23 | 2004-03-23 | Verfahren und vorrichtung zum bohren insbesondere schlag- oder drehschlagbohren eines loches in boden- oder gesteinsmaterial und zum ausbilden einer verankerung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/523,655 Continuation US7287608B2 (en) | 2004-03-23 | 2006-09-20 | Method and device for drilling a hole in soil or rock material and for forming an anchoring |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005090690A1 true WO2005090690A1 (de) | 2005-09-29 |
Family
ID=34964675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2005/000100 WO2005090690A1 (de) | 2004-03-23 | 2005-03-22 | Verfahren und vorrichtung zum bohren eines loches in boden- oder gesteinsmaterial und zum ausbilden einer verankerung |
Country Status (11)
Country | Link |
---|---|
US (1) | US7287608B2 (de) |
EP (1) | EP1727943A1 (de) |
JP (1) | JP2007530824A (de) |
KR (1) | KR20070010030A (de) |
CN (1) | CN1934319A (de) |
AT (1) | AT505959B1 (de) |
AU (1) | AU2005224274B2 (de) |
CA (1) | CA2559446C (de) |
HR (1) | HRP20060333A2 (de) |
WO (1) | WO2005090690A1 (de) |
ZA (1) | ZA200607627B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101723A1 (it) * | 2010-09-22 | 2012-03-23 | Ttm Tension Technology S R L | Tirante d'ancoraggio provvisto di cavi totalmente sfilabili |
ITVI20120051A1 (it) * | 2012-03-02 | 2013-09-03 | Dalla Gassa Srl | Elemento di ancoraggio perfezionato per il consolidamento di terreni |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT501441A3 (de) * | 2004-12-23 | 2009-12-15 | Atlas Copco Mai Gmbh | Verfahren zum setzen von gebirgsankern und bei diesem verfahren verwenbarer gebirgsanker |
AT501979B1 (de) * | 2005-05-27 | 2009-05-15 | Karpellus Walter Dipl Ing | Verfahren und vorrichtung zum bohren, insbesondere schlag- oder drehschlagbohren, eines loches in boden- oder gesteinsmaterial |
CA2605208A1 (en) * | 2007-03-09 | 2008-09-09 | Agnico-Eagle Mines Limited | Bolt assembly |
CN102080376B (zh) * | 2010-12-09 | 2012-07-11 | 张继红 | 一种内置式复合锚杆施工方法及其所用的复合锚杆钻具 |
US9175561B2 (en) | 2011-06-14 | 2015-11-03 | Shane Brown | Resin injection apparatus for drilling apparatus for installing a ground anchor |
DE102011078767A1 (de) * | 2011-07-07 | 2013-01-10 | Hilti Aktiengesellschaft | Litzenanker |
CN102926303A (zh) * | 2012-11-22 | 2013-02-13 | 河海大学 | 现役高等级公路软土地基沉降控制桩基支托再加固方法 |
EA201791721A1 (ru) * | 2015-02-04 | 2017-11-30 | Феро Гроуп Пти Лтд. | Усовершенствованное буровое долото для использования с фрикционным болтом |
US10378292B2 (en) | 2015-11-03 | 2019-08-13 | Nabors Lux 2 Sarl | Device to resist rotational forces while drilling a borehole |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1634237A1 (de) * | 1966-07-07 | 1970-07-02 | Atlas Copco Ab | Verfahren zur Herstellung eines Zugankers im Erdboden |
FR2643096A1 (fr) * | 1989-02-14 | 1990-08-17 | Soletanche | Tirant d'ancrage |
US6588986B1 (en) * | 1999-09-23 | 2003-07-08 | Forasol International Sa | Device for drilling and anchoring and process for placing grout anchors |
-
2004
- 2004-03-23 AT AT0050804A patent/AT505959B1/de not_active IP Right Cessation
-
2005
- 2005-03-22 CA CA2559446A patent/CA2559446C/en not_active Expired - Fee Related
- 2005-03-22 AU AU2005224274A patent/AU2005224274B2/en not_active Ceased
- 2005-03-22 JP JP2007504207A patent/JP2007530824A/ja active Pending
- 2005-03-22 WO PCT/AT2005/000100 patent/WO2005090690A1/de not_active Application Discontinuation
- 2005-03-22 KR KR1020067022014A patent/KR20070010030A/ko not_active Application Discontinuation
- 2005-03-22 EP EP05714182A patent/EP1727943A1/de not_active Withdrawn
- 2005-03-22 CN CNA2005800093293A patent/CN1934319A/zh active Pending
-
2006
- 2006-09-12 ZA ZA200607627A patent/ZA200607627B/xx unknown
- 2006-09-20 US US11/523,655 patent/US7287608B2/en not_active Expired - Fee Related
- 2006-10-03 HR HR20060333A patent/HRP20060333A2/xx not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1634237A1 (de) * | 1966-07-07 | 1970-07-02 | Atlas Copco Ab | Verfahren zur Herstellung eines Zugankers im Erdboden |
FR2643096A1 (fr) * | 1989-02-14 | 1990-08-17 | Soletanche | Tirant d'ancrage |
US6588986B1 (en) * | 1999-09-23 | 2003-07-08 | Forasol International Sa | Device for drilling and anchoring and process for placing grout anchors |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20101723A1 (it) * | 2010-09-22 | 2012-03-23 | Ttm Tension Technology S R L | Tirante d'ancoraggio provvisto di cavi totalmente sfilabili |
ITVI20120051A1 (it) * | 2012-03-02 | 2013-09-03 | Dalla Gassa Srl | Elemento di ancoraggio perfezionato per il consolidamento di terreni |
EP2634313A2 (de) | 2012-03-02 | 2013-09-04 | Dalla Gassa srl | Verbessertes Verankerungselement zur Bodenverfestigung |
EP2634313A3 (de) * | 2012-03-02 | 2014-07-09 | Dalla Gassa srl | Verbessertes Verankerungselement zur Bodenverfestigung |
Also Published As
Publication number | Publication date |
---|---|
EP1727943A1 (de) | 2006-12-06 |
ZA200607627B (en) | 2007-11-28 |
CA2559446A1 (en) | 2005-09-29 |
JP2007530824A (ja) | 2007-11-01 |
AU2005224274B2 (en) | 2010-04-08 |
US20070012484A1 (en) | 2007-01-18 |
AT505959B1 (de) | 2011-06-15 |
AU2005224274A1 (en) | 2005-09-29 |
KR20070010030A (ko) | 2007-01-19 |
CN1934319A (zh) | 2007-03-21 |
US7287608B2 (en) | 2007-10-30 |
AT505959A2 (de) | 2009-05-15 |
HRP20060333A2 (en) | 2006-11-30 |
CA2559446C (en) | 2010-11-16 |
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