Study on the Formation and Repeated Opening Mechanism of Ground Fissures under the Role of Surface Water

Abstract:

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The role of surface water is also the main reason for the formation and development of ground fissures. Five mechanisms were obtained on the formation of ground fissures under the role of surface water in the loess region through theoretical analysis, i.e., fissuring mechanism induced by loess collapsible deformation; that induced by dissolution and suffosion; that induced by water-loss shrinkage; that induced by hydraulic pressure; that induced by humidification and softening. As the role of surface water had certain phased and periodic characteristics, repeated fissuring mechanism of ground fissures was analyzed. Consequently, it could be known that the repeated fissuring of ground fissures under the role of surface water was mainly shown as horizontal openness and closure with little vertical displacement, and fissures were intersected and cross-cut with each other to form a complex network structure.

Info:

Periodical:

Advanced Materials Research (Volumes 243-249)

Edited by:

Chaohe Chen, Yong Huang and Guangfan Li

Pages:

3238-3243

DOI:

10.4028/www.scientific.net/AMR.243-249.3238

Citation:

Z. W. Jiang and Q. Y. Wang, "Study on the Formation and Repeated Opening Mechanism of Ground Fissures under the Role of Surface Water", Advanced Materials Research, Vols. 243-249, pp. 3238-3243, 2011

Online since:

May 2011

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$35.00

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