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Armen Ter-Martirosyan, Vitalii Sidorov and Evgeny Sobolev
This research investigates the mechanical properties of soil-cement specimens ranging from ultrasmall to large values of shear strain at dynamic loading. The nonlinear behavior of soil cement exposed to dynamic loading in a wide range of changing shear s...
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Yingying Zhao, Xianzhang Ling, Weigong Gong, Peng Li, Guoyu Li and Lina Wang
To study the mechanical properties of Y-shaped polypropylene fiber-reinforced subgrade fill, the strength characteristics of fiber-reinforced soil with different fiber contents, fiber lengths, and confining pressures were investigated through triaxial co...
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Diyuan Li, Zhi Sun, Quanqi Zhu and Kang Peng
The specific application or a potential application of the work is related to deep mining and tunneling engineering.
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Yimeng Zhou, Cheng Zhao, Chunfeng Zhao, Chuangchuang Ma and Junfei Xie
The artificial fracturing technique under coupled hydro-mechanical effects is widely used in many rock engineering. Therefore, the study on the fracturing behaviors and mechanical properties of hydro-mechanical coupled cracks is very crucial. In this stu...
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Wenpu Li, Dongming Zhang and Minghui Li
Pore gas has a significant influence on rock strength. This study performed triaxial compression tests of gas-infiltrated sandy shale samples to investigate the strength characteristics under gas pressures of 0 and 2 MPa. The effective stress coefficient...
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Ning Sun, Xiaokai Li, Shanggao Li, Dake Hu, Mengjiao Hu, Faming Zhang, Yiyan Zhong, Menglong Dong and Zinan Li
The surrounding rock stability of large underground caverns in a pumped storage power station is one of the most crucial problems in hydropower project design and construction. In the construction of hydropower projects in Southwest China, many undergrou...
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Ming Ji and Hongjun Guo
During loading and unloading test, various rocks manifest different stress values of elastic-plastic transformation. This study proposes to include axial pressure increment ratio in the conventional triaxial compression test to evaluate different variabl...
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Liping Qiao, Zhechao Wang, Wei Li, Huan Liu and Lei Yang
It is of great significance to study the mechanical properties of rock fracture for the stability of rock engineering projects. The mechanical properties, including the normal compression and shear properties of rock fracture, are studied by a series of ...
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Xinyan Zeng, Wancang Lin, Xinyi Chen and Qinglong Zhou
The Sanshandao Gold Mine is currently in the deep mining stage. The ground pressure on the surrounding rocks is gradually becoming more considerable, and at the same time, threatened by the overlying seawater, the possibility of mine water inrush acciden...
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Zhongguang Sun, Qinghua Zhang, Jun Zhang, Yi Zhang and Pengfei Wang
To study the mechanical damage characteristics of rock under the effect of subversion, a series of mechanical experiments, including both uniaxial and triaxial mechanical compression experiments under various levels of water content were performed. In th...
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Yongjian Zhu, Peng Li, Ping Wang, Chengcheng Mei, Heng Ren and Xizhi Wang
The mining of deep coal resources occurs in a high-stress geological environment as well as an engineering environment of rock excavation and unloading. Research on the re-bearing capacity characteristics and damage mechanism of rock masses damaged by pe...
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Xueliang Jiang, Jiahui Guo, Hui Yang, Shufeng Bao, Changping Wen and Jiayu Chen
Compared with other natural fibers, coir fiber has good strength characteristics and long-term anti-biodegradation ability. At present, most studies on randomly distributed coir fiber-reinforced soil have focused on cohesionless soil or granular soil. In...
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Ping Hu, Wei Guo and Limin Wei
Modifying weathered argillaceous slate (WAS) to fill the subgrades of high-speed railways not only leads to obvious environmental benefits but also significantly saves natural resources. Previous studies have used several additives together with cement/q...
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Zhixiong Peng, Yawu Zeng, Xi Chen and Shufan Cheng
Rock damage caused by its microcrack growth has a great influence on the deformation and strength properties of rock under compressive loading. Considering the interaction of wing cracks and the additional stress caused by rock bridge damage, a new calcu...
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Xinglin Lei
The present study investigated the evolutions of b-value and fractal dimension of acoustic emission (AE) events during shear rupture of a naturally-created rough fracture in a granite specimen under triaxial compression. Acoustic emission signals were mo...
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Ruchun Wei, Chao Jia, Lele Liu and Nengyou Wu
It is important to determine the volumetric change properties of hydrate reservoirs in the process of exploitation. The Skempton pore pressure coefficient ??
A
can characterize the process of volume change of hydrate-bearing sediments under undrained co...
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Chunliang Dong, Chaotao Fan, Xiaoyu Lu, Guangming Zhao, Minjie Qi and Ruipeng Qin
To study the mechanical and energy evolution characteristics of sandstone under true triaxial cyclic loading, a sandstone mechanical test with different intermediate principal stress under true triaxial loading was conducted using the rock true triaxial ...
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