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Full-Text Articles in Engineering
Experimental Study On Crack Evolution And Damage Characteristics Of Water Bearing Sandstone Under Cyclic Loading, Ke Yang, Zhai-Nan Zhang, Xiao-Lou Chi, Xin L, Zhen Wei, Wen-Jie Liu
Experimental Study On Crack Evolution And Damage Characteristics Of Water Bearing Sandstone Under Cyclic Loading, Ke Yang, Zhai-Nan Zhang, Xiao-Lou Chi, Xin L, Zhen Wei, Wen-Jie Liu
Rock and Soil Mechanics
Based on the engineering background that rock masses of underground reservoirs in mines are frequently disturbed by cyclic loads such as mine earthquake and mining stress, uniaxial compression and cyclic loading tests for sandstones with different water contents were carried out in laboratory. The crack propagation and failure laws of sandstones with different water contents were revealed by digital speckle technique. Based on scanning electron microscopic (SEM) analysis, the micro deterioration mechanism of sandstones with different water contents under cyclic loading was obtained. The test results show that the peak strength of sandstone decreases gradually with the increase of water …
Centrifugal Test Study Of Fracture Evolution Characteristics Of Anti-Dip Rock Slope With Steep And Gently Dipping Structural Plane, Hao Yang, Yu-Feng Wei, Xiang-Jun Pei, Yu-Yang Zhang
Centrifugal Test Study Of Fracture Evolution Characteristics Of Anti-Dip Rock Slope With Steep And Gently Dipping Structural Plane, Hao Yang, Yu-Feng Wei, Xiang-Jun Pei, Yu-Yang Zhang
Rock and Soil Mechanics
No abstract provided.
The Phase Field Numerical Manifold Method For Crack Propagation In Rock, Liang Yang, Yong-Tao Yang, Hong Zheng
The Phase Field Numerical Manifold Method For Crack Propagation In Rock, Liang Yang, Yong-Tao Yang, Hong Zheng
Rock and Soil Mechanics
Fracture is one of the most common failure modes of materials and components and greatly restricts engineering design. Understanding of the crack propagation and evolution of rock and other engineering materials is of great significance to engineering construction. For the current numerical methods there are more or less limitations when analyzing the evolution of cracks, such as the mesh dependence of the crack path, the difficulty to deal with crack bifurcation and merging by the classic fracture criterion. In recent years, the phase field method (PFM) has been widely used in simulating crack growth. A phase field numerical manifold method …