CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION

Wang Nianxiang; Zhang Weimin

doi:10.13204/j.gyjz200806016

Volume 38 Issue 6

Dec. 2014

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Wang Nianxiang, Zhang Weimin. CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(6): 58-61. doi: 10.13204/j.gyjz200806016

Citation:

Wang Nianxiang, Zhang Weimin. CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(6): 58-61. doi: 10.13204/j.gyjz200806016

Wang Nianxiang, Zhang Weimin. CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(6): 58-61. doi: 10.13204/j.gyjz200806016

Citation:

Wang Nianxiang, Zhang Weimin. CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(6): 58-61. doi: 10.13204/j.gyjz200806016

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CALCULATION METHOD FOR SWELLING DEFORMATION OF EXPANSIVE SOIL FOUNDATION

doi: 10.13204/j.gyjz200806016

1.
Nanjing Hydraulic Research Institute Nanjing 210024

Received Date: 2007-11-21
Publish Date: 2008-06-20

Abstract

Abstract

The increase of water content will cause swelling deformation of expansive soil foundation.The swelling rate and pressure are raised linearly with water content.The change of water content of expansive soil foundation decreases linearly with depth within the atmosphere effect depth.The expansive rate is elliptic with overburden pressure.A formula of expansive rate is obtained.A calculation method for swelling deformation of expansive soil foundation is proposed with layer-wise summation method.The results of proposed method are identical with that of the model test,and the results of the code are on the large side.
- expansive soil,
- swelling deformation,
- calculation method,
- water content,
- expansive rate

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References(7)

References

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[3] Zhang Yingjun. The Three Dimensional Swell-Shrinking Properties of Expansive Soil and Its Influence on Slope Stability[A].中国,1990.

[4] 陈孚华,石油化学工业部化工设计院. 膨胀土上的基础[M].北京:中国建筑工业出版社,1979.

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[7] 王年香,章为民,顾行文. 膨胀土地基浸水膨胀变形模型试验研究[J].公路交通科技,2008,(05):51-55.doi: 10.3969/j.issn.1002-0268.2008.05.010.

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