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Publikováno v:
Bulletin of Engineering Geology and the Environment. 69:411-419
This paper describes how simple pycnometric studies using water and a non-polar fluid such as n-heptane, may be used to recognise the presence and indicate the magnitude of chemical “reactions” between mineral surfaces and water. The results of s
Publikováno v:
Bulletin of Engineering Geology and the Environment. 63:179-189
This paper outlines the need for a description to quantify the natural response of rock to the presence of water. It discusses the change in mass that occurs in a sample exposed to water vapour over time could provide such a description, and the reas
Publikováno v:
Géotechnique. 50:315-318
Publikováno v:
Bulletin of Engineering Geology and the Environment. 57:31-40
The Hoop Tension Test has proved to be a reliable and sensitive test for measuring rock strength in tension. This paper describes experiments using Penrith Sandstone hoops of different sizes, failed under tension by this procedure. The distribution a
Publikováno v:
Geological Society, London, Engineering Geology Special Publications. 15:185-191
Studies of a weak sandstone which disaggregates in water reveal that particles of colloidal dimensions are released as the sand-sized particles separate. Colloids are the building blocks of gels and their presence suggests that gels (in this case sil
Autor:
C. Butenuth
Publikováno v:
Rock Mechanics and Rock Engineering. 30:65-72
A number of methods exists to fail rock in tension. In general the experimental results obtained by these methods differ, and it is not known how to quantitavely compare them other than by empiricism, even to obtain a value for tensile strength. Thus
Publikováno v:
Geological Society, London, Special Publications. 122:107-119
Publikováno v:
Geological Society, London, Special Publications. 122:377-388