循环荷载下加固土体孔压的模糊正交试验分析

Abstract

Abstract:

Through cyclic triaxial tests for the reinforced soft clay around the tunnel of Baoshan-Hailun station of Shanghai No.4 subway line, the analysis of pore water pressure was made on the reinforced soft clay under subway train loads. The experiments were arranged by orthogonal and repeated design and the factors which had the influence on the pore water pressure were fully considered, including vibration frequency (0.5, 1.5, 2.5 Hz), amplitude of dynamic stress (20, 30, 40 kPa), consolidation ratio (1, 1.4, 2) and over consolidation ratio (1, 1.5, 2). The test data were processed though the fuzzy theory and the fuzzy method to analyze the influence rate of pore water pressure. The result shows the influence rate of pore water pressure on vibration frequency, amplitude of dynamic stress, consolidation ratio and over consolidation ratio is 0.722, 15.821, 0.944 and 6.628 respectively. Main factors which affect the change of pore water pressure are amplitude of dynamic stress and over consolidation ratio. Consolidation ratio and vibration frequency are not significant.

Key words: cyclic loads, pore water pressure, soil dynamics, dynamic test systems

CLC Number:

TU411.8

YAN Chun-ling, TANG Yi-qun, WANG Yuan-dong, LI Ren-jie. Fuzzy Orthogonal Analysis on Pore Water Pressure of Reinforced Soft Clay Under Cyclic Loads[J].J4, 2011, 41(3): 805-811.

References

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed

Comments

Recommended 10

[1]	YU Ping， LI Rui-lei， FU Lei， HAO Xue， ZHANG Xiang-jun，LIAN Guo-fen. Regional Tectonic Characteristics and Significance of North Harbin Area in Songliao Basin: Evidenced from Long Seismic Profiles[J]. J4, 2005, 35(05): 611 -615 .
[2]	ZHANG Yuan-qing, SONG Bing-zhong, WANG Yu-fu, ZHANG Ning. Metallogenetic Rules and Prediction of Gold Deposits Around Tongshi Complex,Western Shandong Province[J]. J4, 2010, 40(6): 1287 -1294 .
[3]	LI Jian-ping, LI Tong-lin, ZHANG Hui, XU Kai-jun. Study and Application of the TEM Forward and Inversion Problem of Irregular Loop Source over the Layered Medium[J]. J4, 2005, 35(06): 790 -0795 .
[4]	GAO Song，SONG Ying，WANG Lin，JIANG Buxin. Study on the Screening and Characterization of Special Effective Bacteria of Degrading Thiuram in the Waterbody[J]. J4, 2006, 36(03): 455 -457 .
[5]	ZHANG Feng-jun, LI Qing, MA Jiu-tong, YU Guang-ju. Experimental Study on Treatment of Furfural Wastewater with Membrane Distillation[J]. J4, 2006, 36(02): 270 -0273 .
[6]	LU Shuang-fang, LI Ji-jun, XUE Hai-tao, XU Li-heng. Chemical Kinetics of Carbon Isotope Fractionation of Oil-Cracking Methane and Its Initial Application[J]. J4, 2006, 36(05): 825 -829 .
[7]	DING Zhi-hong,FENG Ping,MAO Hui-hui. Research and Application of a Method Considering Runoff Distribution Through A Year During Partitioning Runoff into Abundant and Low State[J]. J4, 2009, 39(2): 276 -0280 .
[8]	REN He-jun, LIU Na, GAO Song,ZHANG Lan-ying，ZHANG Yu-ling，ZHOU Rui. Degradation of Polychlorinated Biphenyls and Confirm of bphA1 Gene Core by Pseudomonas DN2[J]. J4, 2009, 39(2): 312 -0316 .
[9]	Huang Qibo, Qin Xiaoqun, Liu Pengyu, Kang Zhiqiang, Tang Pingping. Applicability of Karst Carbon Sinks Calculation Methods in Semi-Arid Climate Environment[J]. Journal of Jilin University(Earth Science Edition), 2015, 45(1): 240 -246 .
[10]	Xiong Xiaoliang，Sun Hongyue，Zhang Shihua，Cai Yueliang. Analysis of Condition of Ensuring High-Lift Siphon Drainage and Numerical Simulation of Choice of Optimum Diameter[J]. Journal of Jilin University(Earth Science Edition), 2014, 44(5): 1595 -1601 .

Fuzzy Orthogonal Analysis on Pore Water Pressure of Reinforced Soft Clay Under Cyclic Loads

PDF (PC)

Abstract

Cite this article

share this article

References

Related Articles 4

Metrics

Comments

Recommended 10

[1]	Sang Songkui, Wang Yonghong, Zhang Mingyi, Kong Liang, Wu Wenbing, Chen Zhixiong, Li Zhaolong, Zhang Qijun. Pore Water Pressure at Pile-Soil Interface of Jacked Pile in Silty Soil and Silty Clay [J]. Journal of Jilin University(Earth Science Edition), 2021, 51(5): 1551-1559.
[2]	Hong Yong, Zhou Rong, Zheng Xiaoyu. Fast Shear Mechanical Properties of Saturated Sand Under Different Drainage Conditions [J]. Journal of Jilin University(Earth Science Edition), 2018, 48(5): 1416-1426.
[3]	Zhao Quanli, Shang Yuequan, Zhi Momo. Modification of the Start-Up Criterion of Translational Gliding Landslide [J]. Journal of Jilin University(Earth Science Edition), 2014, 44(2): 596-602.
[4]	SHEN Yu-peng, FENG Rui-ling, YU Jiang, LIU Hui. Reinforcement of Vacuum Preloading with Air Pressure Boosted for Soft Ground Treatment [J]. J4, 2012, 42(3): 792-797.