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Tests of anisotropic shales for foundation of large bridges
Loading tests were arranged on cast-in-place concrete piles; string strain-gages set into piles enabled to divide load into parts taken over by skin and by point; stress-strain curve was also determined separately for skin and point of pile; up to certain limit predominant part of load falls to skin; rock along skin shows greater relative deformations as compared with settlement of point; mutual influence of adjacent piles is substantially greater at pull-loads than at press-loads.
Tests of anisotropic shales for foundation of large bridges
Loading tests were arranged on cast-in-place concrete piles; string strain-gages set into piles enabled to divide load into parts taken over by skin and by point; stress-strain curve was also determined separately for skin and point of pile; up to certain limit predominant part of load falls to skin; rock along skin shows greater relative deformations as compared with settlement of point; mutual influence of adjacent piles is substantially greater at pull-loads than at press-loads.
Tests of anisotropic shales for foundation of large bridges
Int J Rock Mechanics -- Proc
Dvorak, A. (author)
Proceedings of the 1st Congress -- International Journal of Rock Mechanics ; 1966 ; Portugal , Lisbon
1966
5 pages
Conference paper
English
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