Chapter
Apr 26, 2012
Accurate Measurement of Vertical Stress Distribution Underneath Sand Columns
Publication: Earth & Space 2008: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
Due to the physical constraints and limitations of existing measurement technologies, accurate and continuous distribution of the vertical stress underneath granular material columns has not been determined experimentally. The grid-based tactile load/force sensor, a new stress measurement technology of high accuracy, is adopted in laboratory-scale experiments to capture the stress distribution underneath sand columns. It has been observed evidently that the stress distribution is non-uniform and there exists stress concentration zone at approximately half-way between the center and the circumference of the column. The results are discussed with reference to previous theoretical and experimental work of other researchers.
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Department of Civil Engineering, University of Hong Kong, Hong Kong. E-mail: [email protected]
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Department of Civil Engineering, University of Hong Kong, Hong Kong. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.