Hejun Chai
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View article: A unified method of predicting soil deformations induced by various shaped-section tunnelling in clays
A unified method of predicting soil deformations induced by various shaped-section tunnelling in clays Open
A unified method of predicting soil deformations induced by general and special-section tunneling in clays is proposed. Assuming that the tunneling-induced ground loss can be divided into infinite ground loss elements, and the soil deforma…
View article: The Strength Behavior and Desiccation Crack Development of Silty Clay Subjected to Wetting–Drying Cycles
The Strength Behavior and Desiccation Crack Development of Silty Clay Subjected to Wetting–Drying Cycles Open
It is commonly accepted that wetting–drying cycles have an effect on the soil strength behavior. Crack development in soil is observed by many engineers during wetting–drying cycles, which may give a good explanation for the change in soil…
View article: Failure of a Rock Slope Ten Years after Excavation
Failure of a Rock Slope Ten Years after Excavation Open
In the present study, a rock cut slope in Chongqing of China, which failed suddenly about ten years after excavation, was reported. The survey results after failure indicated that the rock masses of the rock slope were highly fractured and…
View article: Evaluation Method of Integrated Security for Highway Subgrade after Earthquake
Evaluation Method of Integrated Security for Highway Subgrade after Earthquake Open
Evaluation of integrated security situation for highway subgrade comprehensively and accurately has been able to provide the basis for repair of damaged subgrade in reconstruction stage after earthquake.Five indexes have been selected to f…
View article: Analysis of Traffic Capacity on Mountainous Two Lane Highway Adding Climbing Lane
Analysis of Traffic Capacity on Mountainous Two Lane Highway Adding Climbing Lane Open
\nDuring the construction of mountainous double lane highway, climbing lane plays a certain role for enhancing the traffic capacity. In order to explore traffic capacity improvement effect for different conditions of climbing lane, 20 repr…