EP0995878A2 - Anker sowie Bohrloch mit gesetztem Anker - Google Patents
Anker sowie Bohrloch mit gesetztem Anker Download PDFInfo
- Publication number
- EP0995878A2 EP0995878A2 EP99890325A EP99890325A EP0995878A2 EP 0995878 A2 EP0995878 A2 EP 0995878A2 EP 99890325 A EP99890325 A EP 99890325A EP 99890325 A EP99890325 A EP 99890325A EP 0995878 A2 EP0995878 A2 EP 0995878A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- borehole
- outer casing
- anchor
- tension member
- anchor according
- 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.)
- Withdrawn
Links
- 239000011435 rock Substances 0.000 title claims description 7
- 239000004033 plastic Substances 0.000 claims abstract description 23
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000011083 cement mortar Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 239000003000 extruded plastic Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 8
- 239000011814 protection agent Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000003925 fat Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the invention has an anchor, in particular a rock anchor, with a tension member with a plurality of individual Single tension members is constructed as well as a borehole with set Anchor to the object.
- Rod anchor have the disadvantage that for reasons of transport from the place of manufacture the anchor to the place of use of the same is only one limited length, e.g. B. 12 m can be used. Should Anchors are used over such a length, so it is required that the rod anchors are threaded together with one another be connected, with which the tractive force to be applied is not solely by the strength of the rod anchors but also by the The tensile strength of the socket connection is determined. Furthermore, the Drill hole diameter can be chosen larger.
- the tension members of an anchor from a To build a plurality of individual tension members, further the The advantage is that the anchors are flexible can and thus around curves, for example with a Diameter of 1.5 m, can be deflected.
- An anchor is known from EP 0 393 013 B1 Strands with seven individual wires each, which in turn in an anti-corrosion agent are embedded by a polyethylene sheath is surrounded.
- Such wrapped tension members can For example, be connected to each other via a web and in a further outer covering depending on the required application Traction can be arranged.
- DE 33 35 039 C1 describes a rock anchor, a rope is provided as a pulling element, which at the head end carries a clamping element over which the rope is stretched and a pressure plate is pressed against the mountains.
- the rope is fixed in the borehole using injection mortar.
- a tension member for a rock bolt with a bundle of steel wires is known from DE 35 07 732 A1, wherein the steel wires leaving a central cavity in are embedded in a plastic.
- This bundle is so formed in turn arranged in an outer envelope made of PVC, the one External thread carries.
- the bundle transmitting the tensile forces is in the outer shell only fixed via the plastic, the Outer shell in the borehole over plastic mixtures or cement mortar are established and a positive connection between Binder and outer shell is present and the binder itself is adhesive in the borehole is set.
- Such an anchor is due to its massive Version only flexible to a certain extent, so that the insert length can only be kept low for transport reasons and furthermore, the pressure force to be applied to the mountains is through the anchoring of the steel cables inside the sleeve is limited.
- the object of the present invention is to create an anchor, in particular a mountain anchor, in the essentially over any length in a borehole can be installed, but no couplings are required makes. Furthermore, the anchor should have such flexibility exhibit that it can be coiled up.
- Another job The present invention is a permanent one To ensure corrosion protection of the tension members, in particular can be provided at the factory and the loading of the borehole over a few hundred meters because the rigidity of the anchor should be sufficient to support it insert over long distances by simply pushing in can. In addition, it should be ensured that the possibility exists along the entire borehole with the exception of the The bottom of the borehole only has to exert compressive forces and no tensile forces.
- the anchor according to the invention in particular rock anchors, with a tension member with a plurality of individual Single tension members, in particular made of steel, is built Injection line, at least to the bottom of the borehole, for hardening Material, e.g. B cement mortar, reactive plastic mixture, one the outer casing surrounding the tension member, with an outer surface, which have an increased resistance to shifting in Longitudinal direction of the tension member, in particular a wave or meandering longitudinal section, e.g. B.
- hardening Material e.g. B cement mortar, reactive plastic mixture
- the outer casing can be attacked by the tension member, consists essentially in that the tension member on the bottom of the borehole End carries a molded end part, which on the outer covering, in particular at the front end of the same, can be supported and that the end part with the outer casing, in particular connected by a rubber-elastic sleeve, fluid-tight is.
- the rubber-elastic sleeve has a hose, which partially surrounds the end part and the outer casing and an end cap sealed with the hose, the is formed in particular in two parts, so a simple Sealing of the tension members to the outer casing take place, whereby the cavity can be filled with anti-corrosion agent, for example is so that access from corrosive media is simple and effective can be avoided.
- a cap that is encompassed in particular by the piece of hose, can also when inserted into the borehole over long distances Sealing can be ensured and there may be a loosening of the tight connection can be avoided.
- a natural and / or artificial anti-corrosion agents e.g. B. Fat
- Corrosion protection agents are encased, which in turn each of a fluid-tight, in particular, e.g. B. in the manufacture of Work, about this extruded.
- Plastic sheath in particular made of polyethylene, is and are the plastic sheaths of another plastic jacket, e.g. B. in the factory, extruded together enclosed, so is not only the additive effect for given the exercise of traction for the tension members, but it can be a special due to the distance between them high flexibility can be guaranteed, which is roughly the individual Strand corresponds.
- Corrosion protection agents are encased, each of which in turn of a fluid-tight, in particular, e.g. B in the manufacture of Plant, about this extruded, plastic jacket, in particular made of polyethylene, which in turn is particularly surrounded by a web are connected to each other, so the required Stiffness for inserting the tension member over longer distances realized particularly easily, while on the other hand the required Flexibility is still given.
- the outer wrapper on its outer surface has a wavy or meandering longitudinal section or the like, made of metal, especially steel, this ensures that even when applying great forces over the tension member applied high forces to the outer casing can be, with steel a flow of the outer casing only occurs with the highest forces.
- the outer shell can be substantially more rigid than the strands are formed, further the surface can be particularly strongly structured, so that a Anchoring over the hardening material in the area of the bottom of the borehole can be achieved, whereas the rest Area up to the hole mouth of the anchor with an additional Envelope, for example made of plastic or the like.
- an additional Envelope for example made of plastic or the like.
- the borehole according to the invention with the anchor set that in the end of the borehole at the bottom of the borehole via a hardened Material, e.g. B. reactive plastic mixture, cement mortar, is fixed, and is supported at the head of the borehole mouth and a tension member from a plurality of individual links in one same outer casing with an outer surface increased resistance to longitudinal displacement the tension member, in particular with a wave or meandering Longitudinal section, essentially consists in that the tension member in the borehole base-side end on the outer Wrapping is supported over an end part and under at the head end Exclusion of the outer casing via an anchor head, in particular with adjustable traction on the mouth of the borehole, supportable is.
- a hardened Material e.g. B. reactive plastic mixture, cement mortar
- the anchor 1 shown in section in Fig. 1 is in arranged a borehole 2 with a length of 200 m.
- the anchor points a tension member 3, which is shown in Fig. 4 in cross section.
- the tension member has a strand 4, which with individual tension members, u. between steel, is built up and around the central single tension member 6, six outer individual tension members 5 are arranged.
- Anti-corrosion agent is fluid-tight from a plastic jacket 7 in the form of a hose made of high pressure polyethylene surrounded, which is extruded around the strand in the factory.
- the Spaces between the individual tension members 5 and the plastic jacket 7 are with a film of an anti-corrosion agent, u between fats, a colloidal dispersion of Li-metal soaps in mineral and / or synthetic oils. Polyethylene waxes, filled.
- Bohrgrundgroundcs 8 is on the tension member 3 an end part 9 made of metal, u. steel, by cold flowing to those freed from the plastic jacket and anti-corrosion agent Single tension members 5 is formed.
- There is one around the strand outer casing 10 is provided in the form of a corrugated steel tube, on which the end part 9 is supported.
- a Press sleeve made of steel, and the outer casing 10 is a rubber-elastic Wrapping piece 11 arranged, the outer envelope 10th tightly encloses and additionally via a sealing tape 12 with a Adhesive layer is connected to the outer casing 10.
- an end cap 13 made of polyethylene with the sleeve is connected in a fluid-tight manner.
- the cavity 14 thus formed is with Corrosion protection agent, as already mentioned, filled.
- the anchor 1 has an injection line 15 on the outside, via which for example a reactive plastic mixture in the present However, case cement mortar is brought in after five days is already set so far that the tension member 3 is tensioned can be.
- the anchor is only in the bottom of the borehole End, the force application area, over the cement mortar 16 fixed, but over the entire further length of the borehole the tension member is free and unbound.
- an anchor head 18 is provided, which is on supports the borehole mouth 17 via a load distributor 19.
- the Tension member 3 is also in the force application area compared to the outer covering freely stretchable. The transition of the tension member 3 in the anchor head via a polyethylene tube 20 and the Biasing occurs by attack from a not shown Clamping press on the strand 4.
- the fixation takes place via the Ring wedge 21, with the conical bore of the anchor head 18 such cooperates that with pre-stretching of the individual train members within the Hook range when the Preload forces a contraction of the single tension members that occurs the ring wedge 21 moved in the direction of the bottom of the borehole and thus a cause positional fixation.
- the Tensile force e.g. B adjustable via a screw thread and nut be formed. In any case, there is a possibility, too subsequently adjust the tension of the anchor.
- Fig. 2 are two strands 4 according to FIG. 4 in cross section shown, the plastic jacket 7 via a web 22nd connected, so that the flexibility fully despite higher traction is preserved.
- These tension members 3 are in turn with another extruded plastic jacket 23 at the factory surround.
- Such a tension member can also be used for an anchor, as shown in Fig. 1 can be used.
- FIG. 3 is a further embodiment of a Tension member with four strands shown in FIG. 4, which in turn with another directly on this at the factory during manufacture extruded plastic jacket 24 are encased.
- This tension member has a higher rigidity than the tension member according to FIG. 2, However, with the same training of the individual tension members quadruple force absorption.
- FIG. 5 shows a further embodiment of the armature shown, four tension members with end pieces 9 according to FIG. 1st are provided, which, however, a different distance from Borehole bottom 8, so that the tensile forces which in End area over the outer wrappers 10a, 10b, 10c and 10d of the borehole are forcibly introduced on a longer one Route can be distributed.
- the outer envelopes 10a to 10d open into one common hose 25, which is guided to the mouth of the borehole.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims (14)
- Anker, insbesondere Gebirgsanker, mit einem Zugglied (3), das mit einer Mehrzahl einzelner Einzelzugglieder (5), insbesondere aus Stahl, aufgebaut ist, einer Injektonsleitung (15), zumindest zum Bohrlochgrund, für erhärtendes Material, z. B. Zementmörtel, reaktive Kunststoffmischung, einer das Zugglied (3) umgebenden äußeren Umhüllung (10), mit einer Außenfläche, die einen erhöhten Widerstand gegen Verschiebung in Längsrichtung des Zuggliedes, insbesondere einen wellen- oder mäanderförmigen Längsschnitt, z. B von einem auf der äußeren Umhüllung geformten Rundgewinde, aufweist und gegebenenfalls einem am Gebirge od. dgl. im oberen Kopfbereich des Ankers vorgesehenen Ankerkopf, wobei am bohrlochgrundseitigen Ende der äußeren Umhüllung (10) das Zugglied (3) an dieser angreifbar ist, dadurch gekennzeichnet, daß das Zugglied (3) am bohrlochgrundseitigen Ende einen angeformten Endteil (9) trägt, der an der äußeren Umhüllung (10), insbesondere am Stirnende derselben, abstützbar ist und daß der Endteil (9) mit der äußeren Umhüllung (10), insbesondere über ein gummielastisches Hüllstück (11, 13), fluiddicht verbunden ist.
- Anker nach Anspruch 1, dadurch gekennzeichnet, daß der Endteil (9) durch eine Preßhülse aus Metall, z. B. Stahl, gebildet ist, die an Einzelzugglieder (5) unmittelbar angreift.
- Anker nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das gummielastische Hüllstück einen Schlauch (11), welcher den Endteil (9) und die äußere Umhüllung (10) teilweise umgibt und eine mit dem Schlauch (11) dicht ausgebildete Endkappe (13) aufweist, das insbesondere zweiteilig ausgebildet ist.
- Anker nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß das Zugglied (3) mit zumindest einer Litze (4) mit einem auch mittig desselben angeordneten Einzelzuggliedes (6), die von einem natürlichen und/oder künstlichen Korrosionsschutzmittel, z. B. Fett, insbesondere mit identer Zusammensetzung entlang des gesamten Ankers, gegebenenfalls bei der Herstellung im Werk, umhüllt sind, welches seinerseits von einem fluiddichten, insbesondere, gegebenenfalls bei der Herstellung im Werk, über dieses extrudierten, Kunststoffmantel (7), insbesondere aus Polyethylen, umgeben ist, gebildet ist.
- Anker nach Anspruch 4, dadurch gekennzeichnet, daß mehrere Litzen (3) vorgesehen sind, die einzeln von einem Korrosionsschutzmittel umhüllt sind, welches jeweils seinerseits von einem fluiddichten, insbesondere, gegebenenfalls bei der Herstellung im Werk, über dieses extrudierten, Kunststoffmantel (7), insbesondere aus Polyethylen, umgeben ist und die Kunststoffmäntel (7) von einem weiteren, z. B. im Werk, extrudierten Kunststoffmantel (23, 24) umgeben sind.
- Anker nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß mehrere Litzen (3) vorgesehen sind, die einzeln von einem Korrosionsschutzmittel umhüllt sind, welches jeweils seinerseits von einem fluiddichten, insbesondere, z. B. bei Herstellung im Werk, über dieses extrudierten, Kunststoffmantel, insbesondere aus Polyethylen, umgeben ist, die ihrerseits, insbesondere über einen Steg (22) miteinander verbunden sind.
- Anker nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die äußere Umhüllung (10), die an ihrer Außenfläche einen wellen- oder mäanderförmigen Längsschnitt od. dgl. aufweist, aus Metall, insbesondere aus Stahl, aufgebaut ist.
- Anker nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die äußere Umhüllung (10) ausschließlich im Bereich des Bohrlochgrundes (8) vorgesehen ist.
- Anker nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Injektionsleitung (15) für das erhärtende Material außerhalb der äußeren Umhüllung (10) am Anker befestigt ist.
- Bohrloch mit gesetztem Anker, insbesondere nach einem der Ansprüche 1 bis 9, der im bohrlochgrundseitigen Ende im Bohrloch über ein erhärtetes Material, z. B. reaktive Kunststoffmischung, Zementmörtel, festgelegt ist und am Kopfende am Bohrlochmund abgestützt ist und ein Zugglied (3) aus einer Mehrzahl aus Einzelgliedern (5) in einer dieselbe umgebenden äußeren Umhüllung (10) mit einer Außenfläche mit einem erhöhten Widerstand gegen Verschiebung in Längsrichtung des Zuggliedes, insbesondere mit einem wellen- oder mäanderförmigen Längsschnitt, aufweist, dadurch gekennzeichnet, daß das Zugglied (3) im bohrlochgrundseitigen Ende an der äußeren Umhüllung (10) über einen Endteil (9) abgestützt ist und am Kopfende unter Ausschluß der äußeren Umhüllung über einen Ankerkopf (18), insbesondere mit einstellbarer Zugkraft am Bohrlochmund, abgestützt ist.
- Bohrloch mit gesetztem Anker nach Anspruch 10, dadurch gekennzeichnet, daß das Zugglied (3) ausschließlich im bohrlochgrundseitigen Ende mit der äußeren Umhüllung (10) verbunden ist.
- Bohrloch mit gesetztem Anker nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß das Zugglied (3) in der äußeren Umhüllung (10), insbesondere in einem Krafteinleitungsbereich der Umhüllung in das Bohrloch, gegenüber dieser dehnbar ist.
- Bohrloch mit gesetztem Anker nach Anspruch 10, 11 oder 12, dadurch gekennzeichnet, daß in einem Bohrloch mehrere Anker (1) festgelegt sind, deren jeweilige Endteile (9) an diesen jeweils zugeordneten äußeren Umhüllung (10a, 10b, 10c, 10d) abgestützt sind und unterschiedlichen Abstand zum Bohrlochgrund (8) aufweisen.
- Bohrloch mit gesetztem Anker nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, daß die Zugglieder (3) von den äußeren Umhüllungen in einem gemeinsamen Schlauch (25), insbesondere bis zum Bereich des Bohrlochmundes (17), geführt sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT175798 | 1998-10-20 | ||
| AT175798A AT408473B (de) | 1998-10-20 | 1998-10-20 | Anker sowie bohrloch mit gesetztem anker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0995878A2 true EP0995878A2 (de) | 2000-04-26 |
| EP0995878A3 EP0995878A3 (de) | 2003-10-29 |
Family
ID=3520352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99890325A Withdrawn EP0995878A3 (de) | 1998-10-20 | 1999-10-18 | Anker sowie Bohrloch mit gesetztem Anker |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0995878A3 (de) |
| AT (1) | AT408473B (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003071098A1 (en) * | 2002-02-25 | 2003-08-28 | Steffen, Robertson & Kirsten (South Africa) (Pty) Ltd And William David Ortlepp | Rock bolt |
| EP1762699A1 (de) * | 2005-09-07 | 2007-03-14 | MKT Metall-Kunststoff-Technik GmbH & Co. KG | Ankerstange |
| CN101586466B (zh) * | 2009-06-09 | 2011-04-06 | 广州市鲁班建筑有限公司 | 压力型锚杆 |
| CN111379566A (zh) * | 2020-03-30 | 2020-07-07 | 河南工程学院 | 煤矿井下巷道的锚杆支护结构 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3335039C1 (de) | 1983-09-28 | 1984-10-31 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Gebirgsanker |
| DE3507732A1 (de) | 1985-03-05 | 1986-09-18 | Dyckerhoff & Widmann AG, 8000 München | Zugglied fuer einen felsbolzen oder dergleichen |
| EP0393013B1 (de) | 1989-04-12 | 1993-05-05 | Vorspann-Technik Gesellschaft m.b.H. | Spannbündel aus mehreren Spanngliedern |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU524865B2 (en) * | 1976-11-05 | 1982-10-07 | Vanos Waldemar Roering | Ground anchor |
| ES472534A1 (es) * | 1977-08-12 | 1979-04-01 | Fosroc Ag | Un metodo de anclar un elemento de ancla en un agujero |
| ATE52290T1 (de) * | 1985-08-26 | 1990-05-15 | Vorspann Technik Gmbh | Anker, insbesondere freispielanker. |
| WO1988002057A1 (fr) * | 1986-09-22 | 1988-03-24 | Bergwerksverband Gmbh | Ancrage rigide combine extensible et profile |
| FR2613438B1 (fr) * | 1987-03-30 | 1989-06-23 | Ars Forges Boulonneries | Perfectionnement a un boulon de soutenement extensible et methode de soutenement |
| ES2176709T3 (es) * | 1996-11-12 | 2002-12-01 | Techmo Entw & Vertriebs Gmbh | Procedimiento y dispositivo para perforar y revestir simultaneamente taladros. |
-
1998
- 1998-10-20 AT AT175798A patent/AT408473B/de not_active IP Right Cessation
-
1999
- 1999-10-18 EP EP99890325A patent/EP0995878A3/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3335039C1 (de) | 1983-09-28 | 1984-10-31 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Gebirgsanker |
| DE3507732A1 (de) | 1985-03-05 | 1986-09-18 | Dyckerhoff & Widmann AG, 8000 München | Zugglied fuer einen felsbolzen oder dergleichen |
| EP0393013B1 (de) | 1989-04-12 | 1993-05-05 | Vorspann-Technik Gesellschaft m.b.H. | Spannbündel aus mehreren Spanngliedern |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003071098A1 (en) * | 2002-02-25 | 2003-08-28 | Steffen, Robertson & Kirsten (South Africa) (Pty) Ltd And William David Ortlepp | Rock bolt |
| US7445406B2 (en) | 2002-02-25 | 2008-11-04 | Steffen, Robertson & Kirsten (South Africa) (Pty) Ltd. | Rock bolt |
| EP1762699A1 (de) * | 2005-09-07 | 2007-03-14 | MKT Metall-Kunststoff-Technik GmbH & Co. KG | Ankerstange |
| CN101586466B (zh) * | 2009-06-09 | 2011-04-06 | 广州市鲁班建筑有限公司 | 压力型锚杆 |
| CN111379566A (zh) * | 2020-03-30 | 2020-07-07 | 河南工程学院 | 煤矿井下巷道的锚杆支护结构 |
| CN111379566B (zh) * | 2020-03-30 | 2021-04-27 | 河南工程学院 | 煤矿井下巷道的锚杆支护结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| AT408473B (de) | 2001-12-27 |
| EP0995878A3 (de) | 2003-10-29 |
| ATA175798A (de) | 2001-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3128419C2 (de) | ||
| EP0196451B1 (de) | Zugglied für einen Felsbolzen oder dergleichen | |
| DE2627524C3 (de) | Verpreßanker | |
| DE60005906T2 (de) | Seil für bauwerke, mantelabschnitt dafür und verfahren zu dessen installierung | |
| DE2523988C2 (de) | Verfahren zum Verankern einer Schutzwand od.dgl. mit dem Erdboden und Verpreßanker zum Durchführen des Verfahrens | |
| DE2101236A1 (de) | Korrosionsgeschützter Zuganker zur Verankerung von Bauteilen im Erdreich sowie Verfahren zur Herstellung von Zugverankerungen mit korrosionsgeschützten Zugankern | |
| DE3734954A1 (de) | Korrosionsgeschuetztes zugglied, vornehmlich spannglied fuer spannbeton ohne verbund und verfahren zu seinem einbau | |
| DE3734953A1 (de) | Abstandhalter fuer ein spannbares zugglied | |
| DE2041526B2 (de) | Zugglied fuer einen verpressanker | |
| EP2257690A1 (de) | Korrosionsgeschützter selbstbohranker sowie ankerteileinheit und verfahren zu dessen herstellung | |
| EP0438383B1 (de) | Vorgespannte Betonauskleidung in einem Druckstollen | |
| DE19735457A1 (de) | Injektions- oder Verpreßkörper | |
| DE3320460C1 (de) | Nachgiebiger Gebirgsanker | |
| AT408473B (de) | Anker sowie bohrloch mit gesetztem anker | |
| DE3801451A1 (de) | Korrosionsgeschuetztes zugglied, vornehmlich spannglied fuer spannbeton ohne verbund | |
| DE2743639A1 (de) | Mit flexiblem stab armierte betonstuetze und verfahren zur herstellung derselben | |
| DE3922906C2 (de) | ||
| EP0181898A1 (de) | Bewehrungselement aus stahlteilen für spannbetonkonstruktionen und spannbeton-fertigteilen | |
| DE1759561A1 (de) | Verfahren zum Herstellen eines Bodenankers | |
| EP0473539B1 (de) | Anordnung von Spannkabeln in einem Druckstollen | |
| DE3644414A1 (de) | Kunststoffmasse zum verfuellen von hohlraeumen innerhalb eines mit einem buendel aus parallelen stahldraehten oder -litzen gefuellten kunststoffrohres | |
| EP0899382B1 (de) | Ankerelement für einen Verpressanker | |
| EP3517688B1 (de) | Bodenankerelement | |
| EP0585537A1 (de) | Korrosionsgeschütztes Tragelement für einen Erd- oder Felsanker, einen Druckpfahl oder dergleichen | |
| AT412221B (de) | Bauwerk mit wandungen mit im wesentlichen verbundfrei angeordneten spanngliedern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
| AKX | Designation fees paid | ||
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20040430 |