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A platform for research: civil engineering, architecture and urbanism
Shear strength of loam soils compacted by cyclic loads
Conclusions 1. On the basis of the results of investigating the shear strength of loams conducted with the use of a large compression-shear device and method of preliminary compaction of samples by various cyclic loads, an improved method of laboratory determination of the physical and mechanical characteristics corresponding to the technology of layered compaction of embankments by light, medium, and heavy static rollers was developed. 2. The regularities obtained experimentally, reflecting the dependence of the characteristics of the shear strength on the characteristics of compactability — density, moisture content, magnitude of the cyclic compressive load — must be taken into account when designing and constructing earth structures or their fragments from cohesive soils with the use of compacting machines of various types. 3. The compression-shear device with manual or automated control mounted on the base of a standard 200- or 500-ton hydraulic press in a unit with a 100- or 200-ton hydraulic jack on a steel frame can be recommended as one of the uncomplicated but large devices for conducting laboratory investigations of the compactability and shear strength of lumpy or rubbly loams with a moisture content less than the plastic limit.
Shear strength of loam soils compacted by cyclic loads
Conclusions 1. On the basis of the results of investigating the shear strength of loams conducted with the use of a large compression-shear device and method of preliminary compaction of samples by various cyclic loads, an improved method of laboratory determination of the physical and mechanical characteristics corresponding to the technology of layered compaction of embankments by light, medium, and heavy static rollers was developed. 2. The regularities obtained experimentally, reflecting the dependence of the characteristics of the shear strength on the characteristics of compactability — density, moisture content, magnitude of the cyclic compressive load — must be taken into account when designing and constructing earth structures or their fragments from cohesive soils with the use of compacting machines of various types. 3. The compression-shear device with manual or automated control mounted on the base of a standard 200- or 500-ton hydraulic press in a unit with a 100- or 200-ton hydraulic jack on a steel frame can be recommended as one of the uncomplicated but large devices for conducting laboratory investigations of the compactability and shear strength of lumpy or rubbly loams with a moisture content less than the plastic limit.
Shear strength of loam soils compacted by cyclic loads
Pakhomov, O. A. (author)
Hydrotechnical Construction ; 23 ; 22-28
1989-01-01
7 pages
Article (Journal)
Electronic Resource
English
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