Geosynthetics Engineering Journal
Online ISSN : 1883-146X
Print ISSN : 1344-6193
ISSN-L : 1344-6193
OPTIMUM LENGTH AND DEPTH OF REINFORCEMENT IN FOUNDATION BED AT DIFFERENT DENSITIES
Chandan GHOSHKazuya YASUHARAHideo KOMINESatoshi MURAKAMI
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JOURNAL FREE ACCESS

2001 Volume 16 Pages 163-168

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Abstract

The potential benefits of geo-composites in reinforced foundation beds are investigated. Dry Toyoura sand at three different densities (Dr=32%, Dr=70%, Dr=89%) has been used for the investigation. Medium size model box along with loading frame are fabricated to carry out tests on a 10cm wide (B) strip footing. One geo-composite layer was used centrally below the footing at different depths and lengths. From the test results, optimum length (L) of reinforcement was found to vary between 2B to 3B and placement depth (U) was between 0.25B to 0.5B. Same trend has been observed for three different densities. Moreover, at medium density load and settlement response showed significant improvement.

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© Japan Chapter of International Geosynthetics Society
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