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Keywords: moisture
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Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-032
... sandstone excavation moisture Static and Dynamic Considerations in Rock Engineering, Brummer (ed.) © 1990 Balkema, Rotterdam. ISBN 90 6191 t532 Collapse of a section in a highway tunnel- A case study A. I.Sofianos National Technical University oJAthens, Greece ABSTRACT: A highway tunnel passing through...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-024
... have been considered to be of importance to a varying degree, regarding the time-dependent behaviour of the Karoo mud rock material: 1) mineralogical composition, 2) in-situ moisture content and degree of saturation, 3) anisotropical swell behaviour, 4) texture (fabric) and degree of micro-fissuring, 5...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-189
... Upstream Oil & Gas watertightness drilling fluids and materials strength pipe deep well shield ground water table density-and moisture water table injection treatment result Reservoir Characterization construction cost tunnel face inflow water high water pressure zone water...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-039
... excavation underground water moisture dilatancy engineering geological problem air-dry dehydration Reservoir Characterization montmorillonite porphyritic crystal andesiteporphyry construction shrinkage microcrack deformation Proceedings of the International Symposium on Weak Rock / Tokyo /21...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-034
... Reservoir Characterization climate test box humidity dial gauge moisture change percentage swell experiment salt solution moisture humidity change temperature change moisture content hygrometer mudrock prism south african mudrock shale gauge irreversible change shrinkage...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-025
... which show the close relationship between the degree of maintenance of the openings created in the argillacious rock mass such as mudstone and shale and their moisture conditions. This is because the physical properties of the argillacious rock are more or less dependent on the change of moisture con...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-146
... closure moisture reduction moisture change horokabetsu shale deformation INTRODUCTION Yubari New Coal Mine has been suffering roadway maintenance problems since the beginning of the mining operation started in 1970. Main roadways driven in thick layers of Horokabetsu shale are situated at a...

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