DE1245292B - Method for fastening anchor rods in boreholes, particularly in the case of used rock - Google Patents
Method for fastening anchor rods in boreholes, particularly in the case of used rockInfo
- Publication number
- DE1245292B DE1245292B DEB84734A DEB0084734A DE1245292B DE 1245292 B DE1245292 B DE 1245292B DE B84734 A DEB84734 A DE B84734A DE B0084734 A DEB0084734 A DE B0084734A DE 1245292 B DE1245292 B DE 1245292B
- Authority
- DE
- Germany
- Prior art keywords
- borehole
- cartridge
- rod
- filled
- filler
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 15
- 239000011435 rock Substances 0.000 title claims description 6
- 239000000945 filler Substances 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 239000004848 polyfunctional curative Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920001225 polyester resin Polymers 0.000 claims description 4
- 239000004645 polyester resin Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004342 Benzoyl peroxide Substances 0.000 claims 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims 2
- 235000019400 benzoyl peroxide Nutrition 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009435 building construction Methods 0.000 claims 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims 1
- 239000011111 cardboard Substances 0.000 claims 1
- 239000011083 cement mortar Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 229920002457 flexible plastic Polymers 0.000 claims 1
- 239000012634 fragment Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000011507 gypsum plaster Substances 0.000 claims 1
- 239000011087 paperboard Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 239000010454 slate Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/025—Grouting with organic components, e.g. resin
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)
- Adhesives Or Adhesive Processes (AREA)
- Dowels (AREA)
Description
BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Int. Cl:Int. Cl:
E21dE21d
Deutsche Kl.: 5 c - 21/00 German class: 5 c - 21/00
Nummer: 1245292Number: 1245292
Aktenzeichen: B 84734 VI a/5 cFile number: B 84734 VI a / 5 c
Anmeldetag: 27. November 1965Filing date: November 27, 1965
Auslegetag: 27. Juli 1967Opened on: July 27, 1967
Die Erfindung betrifft ein Verfahren zum Befestigen von Ankerstangen in Bohrlöchern, insbesondere bei gebrächem Gebirge, durch einen in das Bohrlochtiefste in einer durch das Eindrehen der Ankerstange zerstörten Patrone eingebrachten Vorrat einer Mischung eines Kunstharzes mit einem Füllstoff und einem Beschleuniger einerseits und einem Härter andererseits in getrennten Abteilen.The invention relates to a method for fastening anchor rods in boreholes, in particular in the case of used mountains, through one into the deepest part of the borehole, one through the screwing in of the anchor rod destroyed cartridge introduced supply of a mixture of a synthetic resin with a filler and an accelerator on the one hand and a hardener on the other hand in separate compartments.
Bei derartigen Verfahren kommt es darauf an, eine maximale Ausnutzung des eingesetzten Materials zu erreichen, andererseits eine hinreichende Sicherung des Gebirges zu erzielen, d. h. möglichst viele der von den Bohrlöchern durchdrungenen Gebirgsschicht miteinander zu verbinden.In such processes, it is important to maximize the utilization of the material used achieve, on the other hand, a sufficient protection of the mountains, d. H. as many of the from to connect the rock layer penetrated by the boreholes.
Zu diesem Zweck ist es bekannt, Spreizanker oder nach dem Prinzip des »Klebankerverfahrens« mit Hilfe von Kunstharzen der eingangs beschriebenen Zusammensetzung im Bohrlochtiefsten befestigte Anker gegen das Gebirge durch auf ihre sich ausFor this purpose it is known to use expansion anchors or according to the principle of the »glue bank process« With the help of synthetic resins of the composition described at the outset, fastened in the depth of the borehole Anchor against the mountains through on their own
Verfahren zum Befestigen von Ankerstangen
in Bohrlöchern, insbesondere bei
gebrächem GebirgeMethod of fastening anchor rods
in boreholes, especially at
used mountains
Anmelder:Applicant:
Bergwerksverband G. m. b. H.,
Essen-Kray, Frillendorfer Str. 351Mining Association G. mb H.,
Essen-Kray, Frillendorfer Str. 351
bezogen auf das Kunstharzgewicht, zugesetztbased on the weight of the synthetic resin
wird,
c) eine äußerlich glatte mit einer unsymmetrischen Spitze versehene Ankerstange unter Drehen undwill,
c) an externally smooth anchor rod provided with an asymmetrical tip, rotating and
hohem Druck in das Bohrloch eingeführt wird. Nach dem Erhärten des Kunstharzes entsteht in dem sehr geringen Ringspalt ein aus diesem Stoff dem Bohrloch erstreckenden freien Enden aufge- 20 bestehender Zylinderkörper, der an seinem Außensetzte Spannplatten od. dgl. zu verspannen. Dieses umfang mit dem gebrächen Gebirge unlösbar und Verfahren, das sich zum Ausbau von in gutem Ge- sehr wirksam verbunden ist, weil die hochviskosen, birge stehenden Grubenbauen sehr bewährt hat, mit feinem Füllstoff gemischten Kunstharze besoneignet sich aber für gebräches Gebirge nicht, weil ders weit in die Spalten und Risse der Bohrlochdie Festigkeit der Bohrlochwandungen nicht aus- 25 wandung eintreten und sich in den Unebenheiten desreicht, um das Widerlager für die Verspannung zu selben verankern. Die Anordnung einer hinreichenbilden, den Anzahl von in dieser Weise ausgefüllten Anker-Es ist femer bekannt, Klebanker mit Kunstharz bohrlöchern in den Verhältnissen des Einzelfalles an- und Bolzen mit Zement ohne Unterlagplatte zu ver- gepaßter Dichte, um die miteinander gewissermaßen wenden, daß Zement und Kunstharz in die Lösen 30 verklebten Gebirgsschichten in ihrer Gesamtheit zu des Gesteins eindringen und auf diese Weise das Ge- einem selbsttragenden Gewölbe zu machen, wird stein zusammenzementieren und damit verstärken. durch die Einsparung an Bohrarbeit infolge des gerin-Bei Zement ergibt sich der Nachteil, daß dieser gen Ringspaltes, der glatten Ankerstange und der später aus dem Loch herausbröckelt und dadurch hochviskosen, mit feinem Füllstoff gemischten Kunstdie Verbindung zwischen Bolzen und Gebirge auf- 35 harze ermöglicht. Die Ankerstange kann daher aus gehoben wird. verschiedenen, auch aus mechanisch weniger festen Der Erfindung liegt die technische Aufgabe zu- Werkstoffen bestehen, z. B. als dünnwandiges Rohr gründe, die zur Erfüllung des eingangs genannten ausgebildet sein, das gegebenenfalls mit einem dieses Zweckes günstigsten Bedingungen bei Verwendung versteifenden Körper, wie Zement, gefüllt sein kann, eines Kunstharzklebankers ohne Anschlußplatte an- 40 Im extremsten Fall ist es auch denkbar, daß die zugeben. Stange aus einem noch weniger festen Werkstoff, wiehigh pressure is introduced into the borehole. After the resin has hardened, in The very small annular gap is a cylinder body made of this material and extending over the borehole, which is attached to the outside To clamp clamping plates or the like. This extent with the used mountains inextricably and Process that is very effectively connected to the expansion of in good condition, because the highly viscous, birge standing pit structures has proven very effective, synthetic resins mixed with fine filler but not for used mountains, because it goes far into the crevices and cracks of the borehole The strength of the borehole walls does not occur and is sufficient in the unevenness, to anchor the abutment for the bracing to the same. Form the arrangement of a sufficient the number of anchors filled in this way - it is also known to drill holes for glue bankers with synthetic resin in the proportions of the individual case. and bolts with cement without a backing plate to a missed density, so to speak, to the one another apply that cement and resin in the loosening 30 bonded rock layers in their entirety penetrate the rock and in this way make the structure a self-supporting vault Cement the stone together and thus strengthen it. by saving on drilling work as a result of the low-cost Cement has the disadvantage that this gene ring gap, the smooth anchor rod and the later crumbled out of the hole and thus highly viscous plastic mixed with fine filler A connection between the bolt and the rock is made possible by resin. The anchor rod can therefore from is lifted. different, also from mechanically less solid. The technical task of the invention is to consist of materials such. B. as a thin-walled tube reasons that are designed to fulfill the aforementioned, possibly with one of this For the most favorable conditions when using stiffening bodies, such as cement, can be filled, of a synthetic resin adhesive banker without a connection plate. In the most extreme case, it is also conceivable that the admit. Rod made of an even less rigid material, such as
Diese bestehen erfindungsgemäß grundsätzlich darin, daßAccording to the invention, these basically consist in that
a) ein Bohrloch hergestellt wird, dessen Durchmesser den der Ankerstange nur um etwa 3 mm übertrifft,a) a borehole is made, the diameter of which is that of the anchor rod by only about 3 mm surpasses
b) in das Bohrloch eine dünnwandige Patrone eingebracht wird, welche eine Mischung beinhaltet, deren Kunstharzkomponente aus einem niedrigb) a thin-walled cartridge containing a mixture is introduced into the borehole, their synthetic resin component from a low
Holz od. dgl., besteht. Sie muß lediglich hinreichend druckfest sein, um ihr Einpressen in den Kunststoffvorrat zu ermöglichen.Wood or the like. It only has to be sufficiently pressure-resistant to allow it to be pressed into the plastic supply to enable.
Um ein einwandfreies Ausfüllen des engen Ringspaltes von verhältnismäßig großer Länge zu erreichen, muß das Eintreiben der Ankerstange mit einem größeren als dem von Hand ausübbaren Andruck drehend, und zwar mit hoher Umdrehungszahl, erfol-In order to achieve a perfect filling of the narrow annular gap of relatively great length, the driving in of the anchor rod must be greater than that which can be exerted by hand rotating, with a high number of revolutions,
viskosen Polyesterharz mit einer Viskosität von 50 gen, wobei die hierdurch erzeugte Reibungswärme etwa 10 Poise besteht und deren Füllstoff fein- gleichzeitig den Erhärtungsvorgang des Kunststoffkörnig ist und in einer Menge von 100 bis 400 %>, materials beschleunigt. viscous polyester resin with a viscosity of 50 gen, the frictional heat generated thereby consists of about 10 poise and its filler is fine- at the same time the hardening process of the plastic is granular and accelerates in an amount of 100 to 400%>, material.
709 618/72709 618/72
Claims (2)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB84734A DE1245292B (en) | 1965-11-27 | 1965-11-27 | Method for fastening anchor rods in boreholes, particularly in the case of used rock |
GB46836/66A GB1166816A (en) | 1965-11-27 | 1966-10-19 | Process for Fixing Consolidating Rods in Drill Holes, especially in Friable Rock |
US590629A US3430449A (en) | 1965-11-27 | 1966-10-31 | Anchor bolts and method for fixing same in drill holes especially in friable rock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB84734A DE1245292B (en) | 1965-11-27 | 1965-11-27 | Method for fastening anchor rods in boreholes, particularly in the case of used rock |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1245292B true DE1245292B (en) | 1967-07-27 |
Family
ID=6982572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB84734A Pending DE1245292B (en) | 1965-11-27 | 1965-11-27 | Method for fastening anchor rods in boreholes, particularly in the case of used rock |
Country Status (3)
Country | Link |
---|---|
US (1) | US3430449A (en) |
DE (1) | DE1245292B (en) |
GB (1) | GB1166816A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3702060A (en) * | 1971-02-25 | 1972-11-07 | James Deans Cumming | Resin-bonded expansion shell |
DE2601001A1 (en) * | 1976-01-13 | 1977-07-14 | Johannes Winkler | Mine roof support for inclined seams - has pivoting guide attached to similar guide equipment of adjoining support unit |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875751A (en) * | 1967-06-14 | 1975-04-08 | Kjeld F W Paus | Strengthening cohesive soils |
US3521454A (en) * | 1968-10-17 | 1970-07-21 | Foundation Sciences Inc | Bearing pad and method of preparing |
FR2030706A5 (en) * | 1969-11-27 | 1970-11-13 | Celtite Sa | Method for anchoring support bolts in rocks - etc |
GB1303723A (en) * | 1969-02-10 | 1973-01-17 | ||
US3698196A (en) * | 1970-03-04 | 1972-10-17 | Bergwerksverband Gmbh | Method for reinforcing loose rock and coal |
DE2059852C2 (en) * | 1970-12-04 | 1983-09-15 | Hilti AG, 9494 Schaan | Adhesive body for setting an anchor in a hole |
ZA721168B (en) * | 1971-03-01 | 1972-11-29 | Explosives & Chem Prod | Improvements in or relating to the consolidation of rock strata |
US3805533A (en) * | 1971-08-19 | 1974-04-23 | Explosives & Chem Prod | Fixing elements |
DE2236457A1 (en) * | 1972-07-25 | 1974-02-07 | Hinteregger Ohg R U A | PROCESS FOR PRODUCING A COMPOSITE SHEETING AS MOUNTAIN SECURING IN UNDERGROUND OR ABOVE MINING |
FR2243324B1 (en) * | 1973-09-08 | 1980-12-26 | Bergwerksverband Gmbh | |
DE2359937A1 (en) * | 1973-12-01 | 1975-06-19 | Maschf Augsburg Nuernberg Ag | DOSING AGENT FOR LIQUID OR DOUGH SCREW LOCKING AGENT |
GB1488294A (en) * | 1975-04-01 | 1977-10-12 | Exchem Holdings | Rock strata reinforcement |
DE2525579A1 (en) * | 1975-06-09 | 1976-12-30 | Hilti Ag | ADHESIVE ANCHORS |
ES472534A1 (en) * | 1977-08-12 | 1979-04-01 | Fosroc Ag | Method of anchoring a borehole anchor |
GR68705B (en) * | 1977-11-14 | 1982-02-02 | Celtite Sa | |
DE3314874A1 (en) * | 1983-04-25 | 1984-10-25 | Henkel KGaA, 4000 Düsseldorf | METHOD FOR FILLING CAVES IN MINERAL MATERIALS USING MELTABLE POLYMERISATES |
US4693638A (en) * | 1986-04-22 | 1987-09-15 | Unrug Konstanty F | Roof bolt assembly having a sealing plug for preventing a deterioration of the mine roof |
EP0255392B1 (en) * | 1986-07-30 | 1991-05-22 | Du Pont (Australia) Ltd.. | Reinforcing method and means |
GB0129823D0 (en) * | 2001-12-13 | 2002-01-30 | Reality Products Ltd | Improved permanently fixable plug |
CN103562499B (en) * | 2010-11-07 | 2017-03-01 | 泰拉西米科股份有限公司 | Mining anchoring system |
US20160102697A1 (en) * | 2014-10-09 | 2016-04-14 | SG Holding UG | Bolted connection |
US11933062B2 (en) | 2019-10-29 | 2024-03-19 | Philip John Elpers | Vibration damping anchoring system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE955678C (en) * | 1952-10-18 | 1957-01-10 | Adolf Fredrik Flygare | Method and device for mountain fastening by bolts and for fastening bolts in boreholes, especially in mining operations |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US836673A (en) * | 1906-09-29 | 1906-11-27 | Arthur W Ford | Metal column. |
US1971051A (en) * | 1933-05-09 | 1934-08-21 | Reiner Markus | Structural element |
US2667037A (en) * | 1949-08-24 | 1954-01-26 | Edward M Thomas | Suspension roof support |
US2829502A (en) * | 1953-12-17 | 1958-04-08 | Joseph B Dempsey | Mine roof bolt installation |
US2856680A (en) * | 1955-12-19 | 1958-10-21 | Acf Ind Inc | Diaphragm perforating and clamping means |
US3108443A (en) * | 1959-07-07 | 1963-10-29 | Schucrmann Fritz | Method of fixing anchor bolts in the drill holes |
US3302410A (en) * | 1965-10-20 | 1967-02-07 | American Cyanamid Co | Rock bolting package usage |
-
1965
- 1965-11-27 DE DEB84734A patent/DE1245292B/en active Pending
-
1966
- 1966-10-19 GB GB46836/66A patent/GB1166816A/en not_active Expired
- 1966-10-31 US US590629A patent/US3430449A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE955678C (en) * | 1952-10-18 | 1957-01-10 | Adolf Fredrik Flygare | Method and device for mountain fastening by bolts and for fastening bolts in boreholes, especially in mining operations |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3702060A (en) * | 1971-02-25 | 1972-11-07 | James Deans Cumming | Resin-bonded expansion shell |
DE2601001A1 (en) * | 1976-01-13 | 1977-07-14 | Johannes Winkler | Mine roof support for inclined seams - has pivoting guide attached to similar guide equipment of adjoining support unit |
Also Published As
Publication number | Publication date |
---|---|
US3430449A (en) | 1969-03-04 |
GB1166816A (en) | 1969-10-08 |
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