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Texture changes in crushed basalt road base


, : Texture changes in crushed basalt road base. The Quarterly Journal of Engineering Geology 15(2): 155-173

The internal texture of undisturbed samples of granular road base has been studied by microscope examination of petrological thin sections prepared from samples impregnated with epoxy resin. The study of compacted crushed basalt road base materials subjected to repeated loading from traffic and in laboratory tests, showed that the -75 mu m particles become rearranged to give local accumulations of finer particles. A "Texture Factor" (TF), assessed by a point counting method, was developed to quantitatively describe and follow such changes in the internal texture. The TF increases progressively with repeated loading and the increase is more rapid at higher moisture contents. The TF in road pavements is highest near the surface and a possible relationship between TF and existing pavement condition is described. Possible applications of TF measurements on existing roads to problems of material durability and pavement performance are discussed.

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Trela, E.; Trela, J.; Sybistowicz, L.; Kaminski, K., 1975: Studies on blood groups in lowland red and white cattle. In the voivodships of Krakow, Opole, Wroclaw and Rzeszow Poland, in 1970-1974 blood samples were collected from cattle of the Lowland, Red-and-White breed, belonging to state-owned (POHZ, Agricultural Cooperatives and the PGR) and individual farms...

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