Estimation of bearing capacity for multiple footings in sand |
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| Authors: | Junhwan Lee Jongwan Eun |
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| Institution: | 1. School of Civil and Environmental Engineering, Yonsei University, 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, South Korea;2. Dept. of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA |
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| Abstract: | In the present study, the effects of multiple-footing configurations in sand on bearing capacity were investigated using field plate load tests and finite element analyses. Both strip and spread footings were considered in the finite element analyses. In each case, different footing distances were applied for the purposes of comparison among all of the results. From these results, it was observed that the load responses of multiple footings are similar to those of the single footing at distances greater than three times the footing width. Design equation and correlation parameters, necessary for quantifying the values of the bearing capacity ratio for the different multiple-footing configuration, were derived. Experimental test results from the literature were selected and used in verifying the proposed method. |
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| Keywords: | Multiple footings Sand Bearing capacity Arching effect Finite element analysis Non-linear failure criterion |
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