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-meng, LU Jian-fei, XIE Kang-he. One-dimensional large-strain consolidation of soft clay with non-Darcian flow and nonlinear compression and permeability of soil [J]. Journal of Central South University......
Initial excess pore water pressures induced by tunnelling in soft groundLIANG Rong-zhu(梁荣柱)1, 2, XIA Tang-dai(夏唐代)1, 2, LIN Cun-gang(林存刚)3, YU Feng(俞峰)4, WU Shi-ming(吴世明)5(1. College of Civil...-induced initial excess pore water pressure have significant effects on the long-term consolidation settlement. A simple and reliable method for predicting the tunnel-induced initial excess pore water......
型的计算结果如图2所示,表1所示为两者所包含的材料参数的取值. 图2 初始孔隙比对水-土特征曲线的影响及模型计算结果对比[28] Fig. 2 Effect of initial void ratios on soil-water characteristic curves and model calculation compasion[28] 表1 CALLIPOLI模型和本文模型材料参数... against with initial void ratio e0 and suction s 1.4 参数敏感性分析 本节探究材料参数φ,n和m对模型计算结果的影响,假定试样的初始孔隙比e0和参考初始孔隙比er分别为0.93和0.59,其余材料参数见表1. 材料参数φ,n和m对试样的水-土特征曲线的影响如图4所示.由图4可以看出:保持基质吸力不变,增大φ会导致试样的有效饱和度逐渐减小,该影响会随基质......
J. Cent. South Univ. Technol. (2008) 15: 786-790 DOI: 10.1007/s11771-008-0145-1 Effects of temperature and initial molar ratio of Na2O to Al2O3 on agglomeration of fine Al(OH)3 seed in synthetic... particle size analyzer and scanning electron microscopy, the influences of temperature and initial molar ratio of Na2O to Al2O3 (αK) on agglomeration of fine seed in Bayer process were investigated......
Effects of pitting corrosion on fatigue life of aluminum alloy Y12CZ based on initial discontinuity state YU Da-zhao(郁大照) 1, CHEN Yue-liang(陈跃良)2, HU Jia-lin(胡家林)1, YANG Mao-sheng(杨茂胜)1 1. Naval...: Based on initial discontinuity state (IDS) of material, a preliminary analytical model was presented to evaluate the effect of interaction of pitting corrosion and fatigue loading on the residual......
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; (2) where ε1 is the axial strain, k0 is the initial coefficient of permeability, a and b are the test parameters that can be obtained by using the test results. 3.2 Expression of seepage... There are five parameters in the proposed model, in which ε0 and k0 are respectively the initial strain and the initial coefficient of permeability of the sample, and a, b and m are the tested parameters......
] SCHRAMM M, WARRICK A W, FULLER W H. Permeability of soils to four organic liquids and water [J]. Hazardous Waste and Hazardous Materials, 1986, 3(1): 21-27. [15] ZHANG B, SHAO M. Effect of initial... of soil texture, initial water content and bulk density on diesel oil infiltration in fine sand and silty clay loam materials were evaluated. Three physical and two empirical equations express diesel oil......
J. Cent. South Univ. (2019) 26: 3140-3155 DOI: https://doi.org/10.1007/s11771-019-4242-0 Determination of initial cable force of cantilever casting concrete arch bridge using stress balance... to obtain reasonable initial cable force in construction stage. In this study, stress balance and influence matrix methods were developed to determine the initial cable force of cantilever casting concrete......
INITIAL ATMOSPHERIC CORROSION OF ZINC IN THE PRESENCE OF NH4Cl C.N.Cao1,C.W.Yan1,Q.Qu2,G.H.Liu2,L.LI3,L.ZHANG1 (1.Stake Key Laboratory for Corrosion and Protection,Institute of Metal Research...,Kunming 650091,China) Abstract:Influence of NH4 Cl on the initial atmospheric corrosion of zinc was investigated via quartz crystal microbalance(QCM)in laboratory at 80%RH and 25℃.The results show......
