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http://dx.doi.org/10.7843/kgs.2021.37.8.15

Experimental Study to Evaluate the Adjacent Construction Effect on the Bearing Capacity and Settlement of Nearby Foundation Structures  

Baek, Mun-Kyeong (Dept. of Civil Systems Engrg., Ajou Univ.)
Lee, Sang Duk (Dept. of Civil Systems Engrg., Ajou Univ.)
Chang, Ilhan (Dept. of Civil Systems Engrg., Ajou Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.37, no.8, 2021 , pp. 15-24 More about this Journal
Abstract
Recently, cases for inevitable adjacent construction are increasing due to the limited spaces in urban area. When a new structure is constructed near an existing structure, interference effects induced by the pre-existing structure should be considered. Thus, numbers of studies have been conducted to investigate the effects of adjacent construction, while laboratory scales studies are not well reported. In this study, laboratory scale experiments have been conducted to investigate the bearing capacity and settlement variations with different adjacent construction cases. Results show an optimistic ground bearing capacity increase of the new foundation structure due to the existing foundation structure, while concerns on the increased settlement of the pre-existing structure. Thus, both bearing capacity of the new foundation structure and subsequent settlement of the existing foundation structure have to be considered when assessing the technical applicability of adjacent structure construction on site.
Keywords
Adjacent structure; Bearing capacity; Foundation; Settlement;
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