Extensibility of Concrete and Theorems of Limit Analysisby W. F. Chen, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Fritz Engrg. Lab., Lehigh Univ., Bethlehem, PA,
Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 3, Pg. 341-352
Document Type: Journal Paper
The implications of assuming concrete or rock to be a perfectly plastic body when determining the bearing capacity of concrete blocks or rock are examined experimentally. The strain field is experimentally determined for the indentation of a circular punch on a circular block having various block base conditions. Limit analysis is then applied to obtain upper and lower bound solutions for the standardized indirect tensile test for concrete specimens of various shapes. The predicted results are found to be in good agreement with the existing results derived from elasticity theory.
Subject Headings: Limit analysis | Concrete | Concrete blocks | Rocks | Strain | Plastics | Ultimate strength | Load bearing capacity
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