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http://dx.doi.org/10.7843/kgs.2012.28.7.67

Evaluation of Size Effects of Shallow Foundation Settlement Using Large Scale Plate Load Test  

Kim, Kyung-Suk (Korea expressway corporation)
Lee, Sang-Rae (Korea expressway corporation)
Park, Young-Ho (Korea expressway corporation)
Kim, Sung-Hwan (Korea expressway corporation)
Publication Information
Journal of the Korean Geotechnical Society / v.28, no.7, 2012 , pp. 67-75 More about this Journal
Abstract
This paper addresses the size effect of shallow foundation settlement in very dense weathered granite soil commonly encountered in bridge foundation. Load-settlement curves measured from the plate load tests of 5 different plate sizes in 2 sites were analyzed. The test results showed that the ground beneath the plate was considered not to reach the failure state and the settlement continuously increased proportionately as load increased. The result implies that settlement would govern the stability or serviceability of foundation on very dense weathered soil. The size effect is expressed as a relationship of subgrade reaction modulus to the size of plate. Compared with the previous relationships, the size effect in this result was more prominent and indicated that settlement prediction using the previous method could possibly underestimate the settlement of foundation in dense weathered granite soil.
Keywords
Plate Load Test; Settlement; Shallow Foundation; Size Effect; Weathered Granite Soil;
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