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深层搅拌桩施工引起的周围粘土的土性变化 被引量:1

PROPERTY CHANGES IN SURROUNDING CLAYS DUE TO INSTALLATION OF DM COLUMNS
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摘要 本文通过室内试验验证了深层搅拌桩施工可以引起周围土体的物理,化学及力学性质的变化.其影响机理为高灵敏度粘土的触变性,土体劈裂,化学加固剂的侵入与渗透,胶结作用及固结压密.室内模型试验证明搅拌桩施工可以在周围土体引起约2倍桩径的土性变化领域.在此领域内含水量降低,pH值上升.此领域内先是强度下降,但7天内强度恢复,28天后强度增加3成.
出处 《地质与勘探》 CAS CSCD 北大核心 2003年第z2期221-230,共10页 Geology and Exploration
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  • 1[1]Asaoka, A., Kodaka, T. and Nozu, M. "Undrained shear strength of clay improved with sand compaction piles." Soils and Foundations, JGS, 1994,34 (4), 23 ~ 32.
  • 2[2]Bergado, D T, Anderson, L R , Miura, N. and Balasubramaniam, A S. Soft ground improvement in lowland and other environments, ASCE Press, New York, 1996,366.
  • 3[3]Broms, B.B.. Can lime/cement columns be used in Singapore and Southeast Asia.? 3RD GRC Lecture, NTU - PWD Geotech.Research Centre, Nanyang Technological University, Singapore,1999,214.
  • 4[4]DJM Research Group . DJM method -Technical manual, Tokyo,1999,75. (in Japanese).
  • 5[5]JGS (Japan Geotechnical Society) . Test method of grain size distribution- JGS0131. In: Guidance on Standard Soil Testing Methods, Tokyo, 2001,25 ~36 (in Japanese).
  • 6[6]Mitchell, J K . Fundamentals of Soil Behaviour, John Wiley &Sons, Inc., New York, 1993,437.
  • 7[7]Miura, N, Chai, J C, Hino, T , and Shimoyama, S . "Depositional environment and geotechnical properties of soft deposit in Saga Plain." Indian Geotech. J , New Delhi, 1998,28(2) :121~ 146.
  • 8[8]Miura, N., Wu, WJ , Nakamura, R , andIchinose, T.. "Experimental study on side resistance of pile in soft Arake clay."J. Geotech. Engng., JSCE, Ⅲ-43(596), 1995,63 ~72, (in Japanese).
  • 9[9]O Neill, M W . "Side resistance in piles and drilled shafts." J.Geotech. Geoenv. Engng, ASCE, 2001,127(1), 1~16.
  • 10[10]Rajasekaran, G , and Rao, S N . "Lime stabilization technique for the improvement of marine clay." Soils and Foundations,JGS, Tokyo, 1997,37(2) :97 ~ 104.

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