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Mechanical properties of rock. Volume 2. Series on rock and soil mechanics - Volume 2, No. 4.22OF
1A
G e o m e c h a n i c s Abstracts
cients of intensity of stresses and viscosity of fracture of main construction materials.
General 1. SYMPOSIUM Standardization and metric conversion for tunnelling, underground construction, and mining.May 1974. NAT. ACAD. SC I .WASHINGTON D.C.1975.
Properties of rocks and soils
5.
Companies.institutes and laboratories See also abstract: 59.
2, SPROSON, JC Using physics in the coal industry. 1. Scientific c ontro i. PHYS. IN TECH}~OL.SEPT. 1975, P201- 208. The services supplied to the UK coal industry by the NCB's Scientific Control department are described. Physical methods of gas analysis and monitoring of underground workings, non-destructive metallurgical testing, automatic determination of coal ash and moisture, are all considered.
NICHOLS,TC US GEOL.SUR. D~NV~,USA ABEL, JF COIDRADO SCHOOL M L ~ GOLDL';,USA Mobilized residual energy - A factor in rock deformation. 5F, IT, 27R. BUI~. ASS. ENGNG GEOL.VI2, N3,1975, P213 -225 • Large amounts of recoverable residual strain (potential) energy can be stored within most rock masses. Various crystalline rock specimens tested exhibit relieved mean strain energies greater than IX10 3 ERGS/Ch'3. The strain relief generally contains both instantaneous and timedependent components. It is suggested that burst failures of these rocks in situ could be attributed in ~art to residual energy mobilized by changes in rock mass geometry. The determination of internally stored ~nergies may be useful for the design of structures in rock.
6°
See also abstracts: 6,9,18,23,25,65.
VVIXfKL~ I,VS LAMA, RD SALUJA, SS Mechanical properties of rock.Volume 2.Series on rock and soil mechanics . Volume 2, No.4.220F. TRANS TECH. PUBLICATIONS, USA, V2,1976,320P. This volume deals with static and dynamic constants of rock, rheologlcal properties of rock, mech~nles_l behaviour of Jointed rock and in-sltu testing.
3°
7,
Conferences See abstract: 35.
Books
KARAF IATH, LL NOWATZKI, EA Soil mechanics for off.road vehicle engineering. Textbook .Figs. TRANS TECH PUBLICATIONS,USA,1976,EOOP.
4o CH~EPANOV, GP Mechanics of brittle fracture - textbook. In Russian. NAUKA PUBLISH~RS,MOSCOW, 1974,640P. The principal ideas and methods of mechanical fracture and problems encountered in their application are considered. The Grlffith-Irvln theory, theory of propagation of fatigue cra~ks, theory of hydrogen ~ f e c t , corrosion under stress, adsorption effect, optical fracture and scale effects are considered. The contents are as follows: Chapter 1 - Introduction; 2 - Strength of ideal-periodical structures; 3 - Singular problems of the theory of elasticity; 4 - Basic principles of mechanics of brittle fracture; 5 - General concepts of mechanics of brittle fracture; 6 - Propagation of fatigu.e cracks; 7 - ~he influence of external environment on crack propagation; 8 - Some problems of brittle fracture. Two appendices give eoeffi-
RYAB IN IN, YN MARTYNOV, YD PR ISHCHEPOV, VF The effect of high pressure on the mechanical properties of llmestone.5F,13R. IZVESTIYA, PHYS. SOLID EARTH, N3,1974, P150-153. The results of experimental studies of the deformation and strength properties of solid and extruded samples of limestone at high hydrostatic pressures ere ~resented. Auth.
8, DOKUCHAEV,W EREMEEV,MN Heat condnctivlty of sandy soils in the construction site of Nadym. In Russian.7R. FOUNDATIONS FOR SECTIONAL, COLLAPSIBLE AND MOBILE RESIDENTIAL BUILDINGS IN P~RMA/~OST, L~INGRAD,1973,P48.5h.
9. GIDIGASU, MD C S I R , K ~ I , GH Laterite soils engineering. Textbook.Developments in geotechnical englneering,volume 9. ELSEVIER SCI .PUBL.CO. ISBN 0-444-41283-2,1975,5hOP.
G e o m e c h a n i c s Abstracts
cients of intensity of stresses and viscosity of fracture of main construction materials.
General 1. SYMPOSIUM Standardization and metric conversion for tunnelling, underground construction, and mining.May 1974. NAT. ACAD. SC I .WASHINGTON D.C.1975.
Properties of rocks and soils
5.
Companies.institutes and laboratories See also abstract: 59.
2, SPROSON, JC Using physics in the coal industry. 1. Scientific c ontro i. PHYS. IN TECH}~OL.SEPT. 1975, P201- 208. The services supplied to the UK coal industry by the NCB's Scientific Control department are described. Physical methods of gas analysis and monitoring of underground workings, non-destructive metallurgical testing, automatic determination of coal ash and moisture, are all considered.
NICHOLS,TC US GEOL.SUR. D~NV~,USA ABEL, JF COIDRADO SCHOOL M L ~ GOLDL';,USA Mobilized residual energy - A factor in rock deformation. 5F, IT, 27R. BUI~. ASS. ENGNG GEOL.VI2, N3,1975, P213 -225 • Large amounts of recoverable residual strain (potential) energy can be stored within most rock masses. Various crystalline rock specimens tested exhibit relieved mean strain energies greater than IX10 3 ERGS/Ch'3. The strain relief generally contains both instantaneous and timedependent components. It is suggested that burst failures of these rocks in situ could be attributed in ~art to residual energy mobilized by changes in rock mass geometry. The determination of internally stored ~nergies may be useful for the design of structures in rock.
6°
See also abstracts: 6,9,18,23,25,65.
VVIXfKL~ I,VS LAMA, RD SALUJA, SS Mechanical properties of rock.Volume 2.Series on rock and soil mechanics . Volume 2, No.4.220F. TRANS TECH. PUBLICATIONS, USA, V2,1976,320P. This volume deals with static and dynamic constants of rock, rheologlcal properties of rock, mech~nles_l behaviour of Jointed rock and in-sltu testing.
3°
7,
Conferences See abstract: 35.
Books
KARAF IATH, LL NOWATZKI, EA Soil mechanics for off.road vehicle engineering. Textbook .Figs. TRANS TECH PUBLICATIONS,USA,1976,EOOP.
4o CH~EPANOV, GP Mechanics of brittle fracture - textbook. In Russian. NAUKA PUBLISH~RS,MOSCOW, 1974,640P. The principal ideas and methods of mechanical fracture and problems encountered in their application are considered. The Grlffith-Irvln theory, theory of propagation of fatigue cra~ks, theory of hydrogen ~ f e c t , corrosion under stress, adsorption effect, optical fracture and scale effects are considered. The contents are as follows: Chapter 1 - Introduction; 2 - Strength of ideal-periodical structures; 3 - Singular problems of the theory of elasticity; 4 - Basic principles of mechanics of brittle fracture; 5 - General concepts of mechanics of brittle fracture; 6 - Propagation of fatigu.e cracks; 7 - ~he influence of external environment on crack propagation; 8 - Some problems of brittle fracture. Two appendices give eoeffi-
RYAB IN IN, YN MARTYNOV, YD PR ISHCHEPOV, VF The effect of high pressure on the mechanical properties of llmestone.5F,13R. IZVESTIYA, PHYS. SOLID EARTH, N3,1974, P150-153. The results of experimental studies of the deformation and strength properties of solid and extruded samples of limestone at high hydrostatic pressures ere ~resented. Auth.
8, DOKUCHAEV,W EREMEEV,MN Heat condnctivlty of sandy soils in the construction site of Nadym. In Russian.7R. FOUNDATIONS FOR SECTIONAL, COLLAPSIBLE AND MOBILE RESIDENTIAL BUILDINGS IN P~RMA/~OST, L~INGRAD,1973,P48.5h.
9. GIDIGASU, MD C S I R , K ~ I , GH Laterite soils engineering. Textbook.Developments in geotechnical englneering,volume 9. ELSEVIER SCI .PUBL.CO. ISBN 0-444-41283-2,1975,5hOP.