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현장 발생토를 재활용한 PHC파일 채움재의 현장 적용성 평가
최희복 ( Hee Bok Choi ),노창석 ( Chang Suck Noh ),한병권 ( Byung Kwon Han ),이홍규 ( Hong Gyu Lee ) 한국건축시공학회 2011 한국건축시공학회 학술발표대회 논문집 Vol.11 No.1
The aim of this study is to estimate the field applicability of PBFM to replace in-site soil with pile backfill used to replace the existing cement paste. As results, the flowability, segregation and bleeding, and bond strength of PBFM was a good performance than that of the existing cement paste. But the skin friction of pile by Pile Driving Analyzer (PDA) and compressive strength was slightly decreased than that of the existing cement paste. However, as pile backfill materials, and in terms of economics and environment, the applicability of PBFM is considered very effective.