EP1119687A1 - Hüllrohr für eine bohr- und verankerungsvorrichtung - Google Patents
Hüllrohr für eine bohr- und verankerungsvorrichtungInfo
- Publication number
- EP1119687A1 EP1119687A1 EP99948589A EP99948589A EP1119687A1 EP 1119687 A1 EP1119687 A1 EP 1119687A1 EP 99948589 A EP99948589 A EP 99948589A EP 99948589 A EP99948589 A EP 99948589A EP 1119687 A1 EP1119687 A1 EP 1119687A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cladding tube
- expanded metal
- openings
- elements
- drill bit
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 18
- 238000004873 anchoring Methods 0.000 title description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 24
- 239000000725 suspension Substances 0.000 claims abstract description 24
- 239000011435 rock Substances 0.000 claims abstract description 5
- 238000005253 cladding Methods 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 22
- 239000002689 soil Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 6
- 230000035515 penetration Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0053—Anchoring-bolts in the form of lost drilling rods
Definitions
- the present invention relates to a cladding tube for a device for drilling holes and forming an anchorage in soil or rock material, the cladding tube being coupled to a drill pipe and / or a drill bit or a hammer drill and having a plurality of circumferences Through openings is formed and can be filled with a curable suspension after completion of the borehole or after insertion of an anchor.
- a hole or a hole which may extend over great lengths, is formed with the aid of a drill bit which is mounted on a drill pipe, the drill hole being formed by a striking and / or rotating movement.
- a drill bit which is mounted on a drill pipe
- the drill hole being formed by a striking and / or rotating movement.
- an anchor can be introduced into the cladding tube or the drill pipe can be used directly as an anchor and a rapidly setting suspension can be introduced to solidify the surrounding material.
- a device with a cladding tube of the type mentioned at the outset can be found, for example, in WO 98/21439, in which a method and a device for drilling and lining holes are disclosed.
- a cladding tube surrounding a drill pipe which acts on a drill bit An annular space is made available between the cladding tube and the outer circumference of the drill pipe, for example in the area immediately adjacent to the drill bit, at least one passage opening is provided in the essentially full-walled cladding tube, via which material, if necessary, is removed from the borehole to be produced and for a Anchoring a curable suspension can be applied in the surrounding material.
- Hiebei is disadvantageous in the known embodiments of cladding tubes, such as WO 98/21439, that they have an essentially smooth surface, since they are usually made of steel or plastic elements, so that even when a suspension is introduced, over a plurality of penetration openings in the cladding tube allows only partially local penetration of the curable suspension into the surrounding material and an essentially smooth or flat separating surface is achieved between the suspension and the outer surfaces of the cladding tube, so that the anchoring effect is particularly strong in the area of the cladding tube is impaired.
- the present invention now aims to provide a cladding tube of the type mentioned, in addition to a quick and easy lining of the borehole by simultaneously inserting a cladding tube, subsequently secure anchoring or additional reinforcement of an anchor to be inserted into the cladding tube or one as an anchor Drill pipe used when introducing a curable suspension, which is at least partially applied into the material surrounding the borehole, can be achieved with reliable anchoring of the cladding tube.
- the cladding tube according to the invention is essentially characterized in that the cladding tube is formed from at least one expanded metal element provided with uniformly distributed through openings, which at its ends has connecting elements, in particular sleeves, for connection to the drill bit and / or others Has cladding tube elements.
- the cladding tube is formed from at least one expanded metal element which is provided with a multiplicity of through openings which are evenly distributed over the circumference, the curable suspension can be safely and widely distributed into the surrounding material after completion of the borehole for setting the anchor , so that a corresponding secure anchoring of the anchor and the cladding tube is achievable.
- the formation of the cladding tube from at least one expanded metal element ensures that the cladding tube does not have a completely flat, smooth outer surface, so that after the introduction of the curable suspension due to the inherent surface design of the expanded metal element or the inherent unevenness of the surfaces of the expanded metal element, the anchoring effect in the surrounding material after hardening of the suspension is increased accordingly.
- a cladding tube divided over the longitudinal extent is used in a manner known per se, so that a plurality of expanded metal elements arranged one behind the other are each connected to one another via suitable connecting elements, in particular sleeves, or directly connected to the drill bit .
- suitable connecting elements in particular sleeves, or directly connected to the drill bit .
- an additional reinforcement effect which extends over the entire length of the cladding tube, can be achieved by the expanded metal with secure anchoring in the surrounding material via the rough surface, so that after the hardening, the cladding tube and the optionally results in anchors contained therein, it being possible to find, by increasing the anchoring or reinforcement effect by the expanded metal, optionally with weaker dimensioned anchors and such possibly smaller dimensioned boreholes with the resultant material saving and reduced drilling work for the lengthening.
- the passage openings of the stretch have metal elements essentially rho boid- or diamond-shaped contours.
- Such rhomboid or diamond-shaped contours of the passage openings also ensure during the drilling process that the passage openings are not completely blocked and laid by degraded material, which usually has a substantially rounded or spherical shape.
- the expanded metal element has a lattice-like or wire mesh-like structure, which results in a correspondingly large, free passage area compared to the material cross section remaining between the individual passage openings and great elasticity during insertion while at the same time achieving increased reinforcement - And anchoring effect after casting and curing of the suspension results.
- an annular space be provided between the cladding tube and the drill rod or anchor, in particular from the spacers in the end regions of the (the) expanded metal elements (e) provided sleeve elements is defined, as this corresponds to a further preferred embodiment of the device according to the invention.
- the use of an expanded metal element to form a cladding tube enables correspondingly large passage cross-sections for hardenable material to be subsequently introduced and a corresponding reinforcement and anchoring effect, there may be a risk of water or moisture penetrating from the large number of passage openings surrounding material in the area of the anchor, so that the anchor can be damaged by corrosion, for example, if it remains in the borehole for several years.
- the cladding tube is constructed in multiple layers, a plastic tube being provided between expanded metal elements arranged in the radial direction on the inner and outer surface and formed with through openings.
- This sandwich construction which is preferably proposed according to the invention and consists of external expanded metal elements and an intermediate plastic tube, makes it possible to use the properties of the expanded metal element which are relevant for the increased anchoring effect, while penetration of moisture into the anchor and the resulting risk of corrosion can be minimized as far as possible via the plastic tube.
- the plastic tube For the application of a suspension for subsequent anchoring, the plastic tube must of course be provided with appropriate through openings, in which connection it is particularly preferred that the plastic tube be formed with a plurality of outlet openings that only open or close in the direction of the outside of the cladding tube, so that such closable outlet openings or openings, which only open towards the outside of the borehole due to a valve effect, ensure safe application of the curable suspension in the surrounding area, while preventing the penetration of moisture.
- the connecting elements formed by sleeves have a stepped or formed contour with which the inner and outer expanded metal elements and the interposed plastic tube can be fixed.
- the cladding tube is subjected to tensile stress with the drill bit, optionally with the interposition of a coupling element, in particular one impact shoe acting on the drill bit, can be coupled.
- FIG. 1 shows a schematic side view, partly in section, of a cladding tube according to the invention for a device for drilling, parts of the drilling device being additionally indicated;
- FIG. 2 shows a side view of a cladding tube according to the invention made from an expanded metal element; and FIG. 3, on an enlarged scale, a partial section through a modified embodiment of a multi-layer cladding tube according to the invention.
- FIG. 1 schematically denotes a drill bit for forming a borehole, the outer contour of which is indicated by 2, a drill rod, indicated schematically by 3, being used to drive the drill bit 1.
- a cladding tube 6 is provided directly with the drill bit 1 on the side facing away from the drilling elements 4 or the impact shoe 5 of the drill bit 1, the cladding tube 6, as can be seen particularly clearly from FIG. 2, being formed from expanded metal elements which are attached to their end areas for connection to the drill bit 1 or the impact shoe 5 and with adjacent cladding tube elements 6 are each formed with sleeve elements 7 and 8.
- the sleeve elements 7, 8 can be designed to achieve a corresponding plug-in or screw connection, in order, in particular in the case of large dimensions of a borehole, to enable a corresponding extension of the cladding tube 6 similar to the extension of the drill pipe 3.
- Such a cladding tube or expanded metal element 6 is shown again clearly in FIG. 2, whereby it can be seen that the passage openings of the cladding tube 6 formed by the expanded metal element, which are evenly distributed over the circumference, essentially each have rhomboidal or diamond-shaped contours 9, so that overall, a lattice-like or mesh-like structure results for the surface of the cladding tube 6.
- either the drill pipe 3 is used directly as an anchor or, after removal of the drill pipe 3 with at least parts of the drill bit 1, a separate anchor is introduced into the finished bore 2 and into the interior of the cladding tube 6, which subsequently follows a curable suspension is introduced into the interior of the cladding tube 6 and can escape into the surrounding material via the passage openings 9 formed in the expanded metal element 6.
- the suspension has hardened, there is an extremely robust anchoring in the finished borehole 2, the anchoring effect being supported in particular by the fact that the not completely flat surface condition of the expanded metal element 6 also provides a correspondingly secure anchoring of the cladding tube 6 with the formation of an additional reinforcement effect in addition to anchoring the anchor in the hardened suspension.
- Fig. 3 is a partial section on an enlarged scale through a modified embodiment of a schematically with 10th indicated cladding tube, wherein the multi-layer cladding tube 10 is formed by an outer expanded metal element 11, again provided with a plurality of openings, an inner expanded metal element 12 provided with openings, and an intermediate plastic tube or element 13.
- the expanded metal elements 11 and 12 in turn have a configuration or nature similar to that of the expanded metal element 6 shown in FIGS. 1 and 2 with a large number of rhomboid or diamond-shaped passage openings 9.
- the interposed plastic tube 13 is designed with a reduced number of through openings, one of the openings 14 being indicated in FIG.
- a modified design of a sleeve 16 with stepped areas 17 is used to define the individual layers or elements 11, 12 and 13 for forming the sandwich-like structure of the cladding tube 10 enable.
- an additional spacer or an extension of the sleeve element 18 is indicated in FIG. 3 in order to enable a corresponding positioning relative to the drill pipe 3 or an anchor to be set, the center line of the overall construction being designated 19 in all figures .
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
- Dowels (AREA)
- Joining Of Building Structures In Genera (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT99948589T ATE245762T1 (de) | 1998-10-05 | 1999-10-04 | Hüllrohr für eine bohr- und verankerungsvorrichtung |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT165998 | 1998-10-05 | ||
AT165998 | 1998-10-05 | ||
PCT/AT1999/000237 WO2000020724A1 (de) | 1998-10-05 | 1999-10-04 | Hüllrohr für eine bohr- und verankerungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1119687A1 true EP1119687A1 (de) | 2001-08-01 |
EP1119687B1 EP1119687B1 (de) | 2003-07-23 |
Family
ID=3518213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99948589A Expired - Lifetime EP1119687B1 (de) | 1998-10-05 | 1999-10-04 | Hüllrohr für eine bohr- und verankerungsvorrichtung |
Country Status (19)
Country | Link |
---|---|
US (1) | US6397957B2 (de) |
EP (1) | EP1119687B1 (de) |
JP (1) | JP3990538B2 (de) |
KR (1) | KR100551507B1 (de) |
CN (1) | CN1187515C (de) |
AT (1) | ATE245762T1 (de) |
AU (1) | AU6181299A (de) |
CA (1) | CA2346212A1 (de) |
CZ (1) | CZ299258B6 (de) |
DE (1) | DE59906378D1 (de) |
ES (1) | ES2204156T3 (de) |
HK (1) | HK1041913B (de) |
HR (1) | HRP20010245B1 (de) |
MY (1) | MY124340A (de) |
PL (1) | PL190476B1 (de) |
PT (1) | PT1119687E (de) |
TR (1) | TR200100907T2 (de) |
WO (1) | WO2000020724A1 (de) |
ZA (1) | ZA200102211B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7188687B2 (en) * | 1998-12-22 | 2007-03-13 | Weatherford/Lamb, Inc. | Downhole filter |
US20040011534A1 (en) * | 2002-07-16 | 2004-01-22 | Simonds Floyd Randolph | Apparatus and method for completing an interval of a wellbore while drilling |
RU2278941C2 (ru) * | 2001-04-26 | 2006-06-27 | Техмо Энтвиклунгс-Унд Фертрибс Гмбх | Способ и устройство для бурения скважины и фиксации анкерной крепи в буровой скважине |
JP4206805B2 (ja) | 2002-06-28 | 2009-01-14 | セイコーエプソン株式会社 | 電気光学装置の駆動方法 |
US7703549B2 (en) * | 2005-05-02 | 2010-04-27 | Schlumberger Technology Corporation | Method and apparatus for removing cuttings in high-angle wells |
US20100122810A1 (en) * | 2008-11-19 | 2010-05-20 | Langlais Michael D | Well screens and method of making well screens |
CN108222539B (zh) * | 2018-01-12 | 2020-07-24 | 江苏筑镹营造科技有限公司 | 砌体构件锚杆加固的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH420024A (de) | 1963-03-08 | 1966-09-15 | Fredrik Flygare Adolf | Formkörper zum Bilden einer gelochten Hülse oder eines gelochten Rohres |
DE2133593B2 (de) | 1971-07-06 | 1976-04-08 | Leonhard Moll KG, 8000 München | Verfahren zum herstellen eines zugankers |
SE387700B (sv) | 1973-03-09 | 1976-09-13 | A I Lundkvist | Perforerat hylsformigt organ for anvendande vid s.k. bergfestning medelst i borrhal ingjuten bult |
US4007797A (en) * | 1974-06-04 | 1977-02-15 | Texas Dynamatics, Inc. | Device for drilling a hole in the side wall of a bore hole |
US3969976A (en) * | 1974-09-05 | 1976-07-20 | Peter Amico | Expansion unit |
DE2545572C3 (de) * | 1975-10-10 | 1981-10-29 | Hans 8202 Bad Aibling Ribbert | Fundament in setzungsempfindlichem Baugrund, insbesondere für einen Damm |
US4954017A (en) * | 1980-11-10 | 1990-09-04 | The Curators Of The University Of Missouri | Expansion bolt and mine roof reinforcement |
US4516883A (en) * | 1983-04-01 | 1985-05-14 | Die-Matic Corporation | Mine roof bolt mounting assembly |
US4601614A (en) * | 1984-02-22 | 1986-07-22 | Lane William L | Rockbolt |
US4640362A (en) * | 1985-04-09 | 1987-02-03 | Schellstede Herman J | Well penetration apparatus and method |
DE4018703C1 (en) * | 1990-06-12 | 1991-08-01 | Johannes Radtke | Improved cable anchor - includes several laminations and has fixing at end towards bottom of bore hole |
DE19503122B4 (de) * | 1995-02-01 | 2004-07-22 | Ibi Anker Gmbh | Injektionsanker |
AU726332B2 (en) | 1996-11-12 | 2000-11-02 | Alwag Tunnelausbau Gesellschaft Mbh | Process and device for simultaneously drilling and lining a hole |
US6199633B1 (en) * | 1999-08-27 | 2001-03-13 | James R. Longbottom | Method and apparatus for intersecting downhole wellbore casings |
-
1999
- 1999-10-04 AT AT99948589T patent/ATE245762T1/de active
- 1999-10-04 AU AU61812/99A patent/AU6181299A/en not_active Abandoned
- 1999-10-04 PT PT99948589T patent/PT1119687E/pt unknown
- 1999-10-04 ES ES99948589T patent/ES2204156T3/es not_active Expired - Lifetime
- 1999-10-04 WO PCT/AT1999/000237 patent/WO2000020724A1/de active IP Right Grant
- 1999-10-04 CN CNB998117757A patent/CN1187515C/zh not_active Expired - Fee Related
- 1999-10-04 TR TR2001/00907T patent/TR200100907T2/xx unknown
- 1999-10-04 CA CA002346212A patent/CA2346212A1/en not_active Abandoned
- 1999-10-04 EP EP99948589A patent/EP1119687B1/de not_active Expired - Lifetime
- 1999-10-04 PL PL99347033A patent/PL190476B1/pl not_active IP Right Cessation
- 1999-10-04 MY MYPI99004267A patent/MY124340A/en unknown
- 1999-10-04 KR KR1020017004341A patent/KR100551507B1/ko not_active IP Right Cessation
- 1999-10-04 DE DE59906378T patent/DE59906378D1/de not_active Expired - Lifetime
- 1999-10-04 JP JP2000574808A patent/JP3990538B2/ja not_active Expired - Fee Related
- 1999-10-04 ZA ZA200102211A patent/ZA200102211B/en unknown
- 1999-10-04 CZ CZ20011208A patent/CZ299258B6/cs not_active IP Right Cessation
-
2001
- 2001-04-02 HR HR20010245A patent/HRP20010245B1/xx not_active IP Right Cessation
- 2001-04-04 US US09/824,698 patent/US6397957B2/en not_active Expired - Fee Related
-
2002
- 2002-05-13 HK HK02103575.5A patent/HK1041913B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0020724A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20010013427A1 (en) | 2001-08-16 |
CZ299258B6 (cs) | 2008-05-28 |
CZ20011208A3 (cs) | 2002-06-12 |
KR100551507B1 (ko) | 2006-02-13 |
EP1119687B1 (de) | 2003-07-23 |
CN1322273A (zh) | 2001-11-14 |
US6397957B2 (en) | 2002-06-04 |
HRP20010245A2 (en) | 2002-04-30 |
HRP20010245B1 (en) | 2005-08-31 |
PL190476B1 (pl) | 2005-12-30 |
CA2346212A1 (en) | 2000-04-13 |
MY124340A (en) | 2006-06-30 |
ES2204156T3 (es) | 2004-04-16 |
HK1041913B (zh) | 2005-09-02 |
AU6181299A (en) | 2000-04-26 |
ATE245762T1 (de) | 2003-08-15 |
JP3990538B2 (ja) | 2007-10-17 |
TR200100907T2 (tr) | 2001-08-21 |
CN1187515C (zh) | 2005-02-02 |
DE59906378D1 (de) | 2003-08-28 |
HK1041913A1 (en) | 2002-07-26 |
PL347033A1 (en) | 2002-03-11 |
PT1119687E (pt) | 2003-11-28 |
WO2000020724A1 (de) | 2000-04-13 |
KR20010080014A (ko) | 2001-08-22 |
ZA200102211B (en) | 2001-11-14 |
JP2002526703A (ja) | 2002-08-20 |
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