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Bearing Capacity Characteristics of SIP Piles  

박종배 (대한주택공사 주택도시연구원)
김정수 (한양대학교 대학원 토목공학과)
정형식 (한양대학교 대학원 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.1, 2003 , pp. 51-60 More about this Journal
Abstract
As piling works in urban area are increasing, SIP which has low noise & vibration piling method takes the place of driven pile which has good bearing charateristics and is economical. Although SIP has been used far more than 15 years and it's use is increasing year by year, accurate analysis of bearing mechanism of SIP is not enough. So the design of SIP is much more conservative than driven pile. This paper is aimed at analysing the bearing charateristics of 103 SIPs constructed in Korea to give rational design criteria. Research result shows that bearing capacity of SIP is 40% lower than that of driven pile and conservative Meyerhof(20$\bar{N}_b) method produced closer result to load test results than any other design method. And this result shows that in order to use optimised design criteria for the economical SIP design, quality control criteria must be settled down to produce high bearing capacity.
Keywords
Bearing capacity; Load test; Design criteria; SIP(Soil-Cement Injected Precast Pile);
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