Chapter
Mar 30, 2017
Estimation of the Coefficient of Lateral Stress Used in the Calculation of Loads on Buried Structures
Authors: Talia S. da Silva [email protected], Mohammed Z. E. B. Elshafie, Ph.D. [email protected], and Gopal S. P. Madabhushi, Ph.D. [email protected]Author Affiliations
Publication: Geotechnical Frontiers 2017
Abstract
The average vertical pressure on a buried structure can be calculated using the silo theory, which assumes the translation of a vertical prism of soil above the structure that is resisted by friction on the sides of the prism. One of the key assumptions made is the value of the coefficient of lateral stress, K. In this study, an assumption regarding the rotation of principal stresses in the yielding soil has been used to calculate the average coefficient of lateral stress acting at the side of a prism of yielding soil above the horizontal buried structure. The calculated value using the proposed method agrees well with experimental observation made in literature for the value of K, and is suggested for use in the estimation of loads on buried structures, where it is expected that the structure will yield relative to a stiff body of soil.
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Published In
Geotechnical Frontiers 2017
Pages: 233 - 242
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Mar 30, 2017
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Research Student, Schofield Centre, Dept. of Engineering, Univ. of Cambridge, Trumpington St., Cambridge CB2 1PZ, U.K. E-mail: [email protected]
Lecturer, Dept. of Engineering, Univ. of Cambridge, Trumpington St., Cambridge CB2 1PZ, U.K. E-mail: [email protected]
Professor and Head of Geotechnical and Environmental Research Group, Schofield Centre, Dept. of Engineering, Univ. of Cambridge, Trumpington St., Cambridge CB2 1PZ, U.K. E-mail: [email protected]
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