The Empirical Formula Research and the Test for the Soft Clay Coupled Consolidation and Creep Character in Different Drainage Conditions

Author:

Tang Bin1,Zeng Zhe1,Gong Yan Xia1

Affiliation:

1. Wuhan University of Science and technology

Abstract

Abstract: Conducted a series of triaixl coupled consolidation and creep tests ,and researched the coupled consolidation and creep character for the typical soft clay in Wuhan region in different drainage conditions.The following conclusions are got from analysing the stress、strain and time relationship curves in different conditions:(1)The consolidation drainage condition is very important in the soil consolidation creep deformation.When the stress is low,the deformation amount in the consolidation undrained condition is much smaller than that in the consolidation drained condition;with the increasing of the stress,the viscoplasticity will appear,and the deformation speed in the undrained condition exceeded that in the drained condition;when the stress increases to some point,the deformation amount in the undrained condition will exceed that in the drained condition finally.(2)The consolidation creep deformation rule for the typical soft clay in Wuhan region in different drainage conditions can be expressed by empirical formula.

Publisher

Trans Tech Publications, Ltd.

Reference7 articles.

1. Wang Changming, Xia Yubin. The consolidation creep character for the marine sediment soft soil[J]. Journal of Changchun University of Science and Technology, 2000, 30(1): 57-60.

2. Tang Bin. The test research and theory analysis of the consolidation creep coupling character for soft clay [D]. Wuhan: Wuhan University, (2004).

3. Zhou Qiujuan, Chen Xiaoping. Soft soil creep character test reearch [J]. Chinese Journal of Geoengineering, 2006, 28(5): 626-630.

4. Chen Xiaoping, Zhu Honghu, Zhou Qiujuan. Modified generalized Kelvin creep consolidation model research [J]. Chinese Journal of Rock Mechanics and engineering, 2006, 25 (suppl2) : 3428-3434.

5. Tang Bin, Wang Lichao. Consolidation creep coupling character model research for the soft soil in Wuhan region [J]. Journal of Wuhan University of Science and Technology, 2009, 32(1): 94-97.

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