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RISS 인기검색어
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- 저자 : ( Yukihiro Kohata ) (검색결과 1 건)
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( Yujie Cui ),( Yukihiro Kohata ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
With the increase of the added amount of stabilizer, an increase in strength of Liquefied Stabilized Soil (LSS) is observed while the seismic resistance might decrease due to its brittleness. On the other hand, when the LSS is used as a backfill soil for cut and cover tunnel etc. with the aim of reducing the overburden pressure, there is a concern about the use of the LSS prepared with a relatively lower slurry density instead of the normal slurry density with considering the strength reduction. In the past, a series of studies on the Liquefied Stabilized Soil mixed with newspaper prepared like cotton wool as the fiber material was carried out in order to improve the brittle property of the LSS, and it was indicated that the brittle property after the peak is improved due to the reinforcing effect of the fiber. However, there are few study cases and still many unexplained parts about the LSS with reduced slurry density. In this study, a series of triaxial tests were conducted on LSS with the different added amount of fiber as well as slurry density and the results showed that the strength and initial stiffness were influenced by the slurry density while the degree of damage was reduced by the addition of fibers.
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