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Shale alkyl resorcinol-based grouts with fillers for consolidation of rock. Congress. Preprint
178A
by meatus of st~aln gauges. In S~bo-Croat. grout penetration from a bc~ehole into fissured rock has R~DARSKI GLASNIK, NI,1974, P28-3~. been developed. The advantages of this new grouting The l ~ l e m associated with the dcW~minatlon of the procedure a r e ahocd~ grouting times, a complete filling eui~Img f~rce are discussed. Strain gauges are inat~led of the Joints and economic grouting of steeply dipping on the picks anl the force irdicated during pe~aration open Joints. of a coal specimen is recorded. The results give evidence of the applicability of the measuring tech1741 nique to the d e t e r m i ~ i o n of cutting force as a MILKOWSKI, W function of depth of cut. SZWEDZICKI,T Use of epoxy resin for stremgthening walls of narrow worklngs. In Protection a~alnst rock fall. Symposium. 7F,6R. ASSOC. MIN.E~RS.TECHN. CENTR. MIN. INS~. POL. N~T. GRCUP, ISRM, K~OWICE, 1973,16P. Laboratory ard field teats on application of epoxy resins for rock atrem@theni~ have given the following results: I. Epcxy resins type V~samont 200 rosy be applied to ~reDgthen cracked and brittle rocks under dry ard wet conditions; 2. The introduction into the resin of clay filler reduces the consumption of resir~ 3. During the use of elx~y resin with a filler, attention should be paid to more rapid increase of vlscosity.
Rock and soil improvement techniques Bolts and anchors
Soil stabilisation See also abstract: 1673.
1737 ANONYMOUS Remote control roof boltimg. 1F. INTERNAT.MIN. E~JIPME~T, V25, N1, JA~MAR. 1974, P9 • 1738 ANONYMOUS Field testing of resin anchored rock bolts. 14F, 2T,
T~. COLLIERY GUARD. V222, ~ ,MAY, 1974, PLY6-151.
Grouting and freezing See also abstract: 1630, 1739 D~IN, VF RES. INST. HYDRA~L. ENG. LENIE~RAD, SU POPOV, YD RES. INST. HYDRAUL. ENG .LENINGRAD, SU Shale a l ~ l resorcinol-based grouts with fillers for consolidation of rock. Comgress. Preprint. 2F,3T,SR. THIHD INTEP~.CONGRESS ON ROCK MECHANICS, T H ~ E 3, SURFACE WORKINGS, DENVER, S E ~ . 1974, 4P. The paper concerns studies carried out at the B.E. Vedeneev VNIIG on physico-mechanical properties ar~ f l ~ characteristics of shale alkyl resorcinol-based grouts with different mln~ral azzl orgamlc-mi~eral fillers. Data are given on the atremgth of rocks treated with these gro~s. Grouts with this base have relatively low viscosity and static shearing stresses which em~ured their good pm~pability. For prac~cical use grou~s with the following fillers are recn~wa~led: flT~ash from thermal p ~ e r plants, kerogens, industrial chalk and clays. Auth. 17~0 WAELNER,M UNIV. KARLSRUHE, D WI~,W UNIV. KARLSRUHE,D Theory amd experimeat of a ~ew grou~ing procedure. Com~ess. Pre~ciut. In Gemm~n. 10F,12R. THIRD IIvI~G~AT.CONGRESS ON ROCK MECHANICS, THEME 3, SURFACE WOF~CINGS,DENVER,S~T.1974,TP. Investigations into a mew grouting method are reported. The method involves the application of a water cement suspension with a lo~ water cament ratio completely consumed for hardening of the cement. The f l ~ behaviour of this grout cam be described by Bingham' s law. A finite element procedure evaluating three-dlmer~ional
1742 S~JH,NP MIT, C ~ I D G E , MASSACHU~EI~S, USA LEE, RS CONS~ TEST. LAB. BOSTON, MASS. USA Cezd~rifugal method of mixing soil with stabilizer. 8F,1T, ~R. J. GEOI~.E~3NG. LAB.V100, N. G~3,MAR. 1974, P295-307 • A method of pulverizing arzl mixing soil with stabilizers by extrullng soll through a screen mourned between two rotating discs ard spraying the extrudate with stabilizers, is described. This method was considered in order to minimize the e n ~ g ~ required in these operations.
17~3 TANIMOTO,K Introduction to the sand compaction pile method as applied to stabilization of soft foumdation groumls. Report. CSIRO,DIV .APPL.GECMECH.TECH. REPORT, NI6,1973 • This paper outlines a soil stabilization method called sard compaction piles which is widely used in Japan to stabilize not only soft sandy fourdation grourd but also clay soil. Auth.
Soil compaction See also abstract: 1559.
17~ ANDERsON,RD L . B . F O S ~ C0.WEST~IELD, NJ.USA New methods for deep sand vibratory compaction. 12F, 2T,10R. J. CON~E~R.DIV. VlO0, N. CO1, MAR. 1~74, P79- 95 • A method for the densification of saturated cohesionless soils, by usimg a vibratory pile driving device, a tubular l~obe suspended from a crane boom and by driving and extracting the probe material on certain modular spacings to achieve the required density, is described. This method has applications in land reclamation, liquefaction situations and subaqueous compaction. 1745 INGLEs, O(; GRANT, K The effect of compaction on various properties of coarse-gralr~d sediments. In Compaction of coarsegrained sediments. T~xtbook. ELS~V~ER, IR73, CHAP. 7.
by meatus of st~aln gauges. In S~bo-Croat. grout penetration from a bc~ehole into fissured rock has R~DARSKI GLASNIK, NI,1974, P28-3~. been developed. The advantages of this new grouting The l ~ l e m associated with the dcW~minatlon of the procedure a r e ahocd~ grouting times, a complete filling eui~Img f~rce are discussed. Strain gauges are inat~led of the Joints and economic grouting of steeply dipping on the picks anl the force irdicated during pe~aration open Joints. of a coal specimen is recorded. The results give evidence of the applicability of the measuring tech1741 nique to the d e t e r m i ~ i o n of cutting force as a MILKOWSKI, W function of depth of cut. SZWEDZICKI,T Use of epoxy resin for stremgthening walls of narrow worklngs. In Protection a~alnst rock fall. Symposium. 7F,6R. ASSOC. MIN.E~RS.TECHN. CENTR. MIN. INS~. POL. N~T. GRCUP, ISRM, K~OWICE, 1973,16P. Laboratory ard field teats on application of epoxy resins for rock atrem@theni~ have given the following results: I. Epcxy resins type V~samont 200 rosy be applied to ~reDgthen cracked and brittle rocks under dry ard wet conditions; 2. The introduction into the resin of clay filler reduces the consumption of resir~ 3. During the use of elx~y resin with a filler, attention should be paid to more rapid increase of vlscosity.
Rock and soil improvement techniques Bolts and anchors
Soil stabilisation See also abstract: 1673.
1737 ANONYMOUS Remote control roof boltimg. 1F. INTERNAT.MIN. E~JIPME~T, V25, N1, JA~MAR. 1974, P9 • 1738 ANONYMOUS Field testing of resin anchored rock bolts. 14F, 2T,
T~. COLLIERY GUARD. V222, ~ ,MAY, 1974, PLY6-151.
Grouting and freezing See also abstract: 1630, 1739 D~IN, VF RES. INST. HYDRA~L. ENG. LENIE~RAD, SU POPOV, YD RES. INST. HYDRAUL. ENG .LENINGRAD, SU Shale a l ~ l resorcinol-based grouts with fillers for consolidation of rock. Comgress. Preprint. 2F,3T,SR. THIHD INTEP~.CONGRESS ON ROCK MECHANICS, T H ~ E 3, SURFACE WORKINGS, DENVER, S E ~ . 1974, 4P. The paper concerns studies carried out at the B.E. Vedeneev VNIIG on physico-mechanical properties ar~ f l ~ characteristics of shale alkyl resorcinol-based grouts with different mln~ral azzl orgamlc-mi~eral fillers. Data are given on the atremgth of rocks treated with these gro~s. Grouts with this base have relatively low viscosity and static shearing stresses which em~ured their good pm~pability. For prac~cical use grou~s with the following fillers are recn~wa~led: flT~ash from thermal p ~ e r plants, kerogens, industrial chalk and clays. Auth. 17~0 WAELNER,M UNIV. KARLSRUHE, D WI~,W UNIV. KARLSRUHE,D Theory amd experimeat of a ~ew grou~ing procedure. Com~ess. Pre~ciut. In Gemm~n. 10F,12R. THIRD IIvI~G~AT.CONGRESS ON ROCK MECHANICS, THEME 3, SURFACE WOF~CINGS,DENVER,S~T.1974,TP. Investigations into a mew grouting method are reported. The method involves the application of a water cement suspension with a lo~ water cament ratio completely consumed for hardening of the cement. The f l ~ behaviour of this grout cam be described by Bingham' s law. A finite element procedure evaluating three-dlmer~ional
1742 S~JH,NP MIT, C ~ I D G E , MASSACHU~EI~S, USA LEE, RS CONS~ TEST. LAB. BOSTON, MASS. USA Cezd~rifugal method of mixing soil with stabilizer. 8F,1T, ~R. J. GEOI~.E~3NG. LAB.V100, N. G~3,MAR. 1974, P295-307 • A method of pulverizing arzl mixing soil with stabilizers by extrullng soll through a screen mourned between two rotating discs ard spraying the extrudate with stabilizers, is described. This method was considered in order to minimize the e n ~ g ~ required in these operations.
17~3 TANIMOTO,K Introduction to the sand compaction pile method as applied to stabilization of soft foumdation groumls. Report. CSIRO,DIV .APPL.GECMECH.TECH. REPORT, NI6,1973 • This paper outlines a soil stabilization method called sard compaction piles which is widely used in Japan to stabilize not only soft sandy fourdation grourd but also clay soil. Auth.
Soil compaction See also abstract: 1559.
17~ ANDERsON,RD L . B . F O S ~ C0.WEST~IELD, NJ.USA New methods for deep sand vibratory compaction. 12F, 2T,10R. J. CON~E~R.DIV. VlO0, N. CO1, MAR. 1~74, P79- 95 • A method for the densification of saturated cohesionless soils, by usimg a vibratory pile driving device, a tubular l~obe suspended from a crane boom and by driving and extracting the probe material on certain modular spacings to achieve the required density, is described. This method has applications in land reclamation, liquefaction situations and subaqueous compaction. 1745 INGLEs, O(; GRANT, K The effect of compaction on various properties of coarse-gralr~d sediments. In Compaction of coarsegrained sediments. T~xtbook. ELS~V~ER, IR73, CHAP. 7.