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Lide Wei, Zhinan Lin, Haifeng Long and Qiongyao Ye
In order to investigate the mechanical properties and permeability characteristics of sandstone during damage evolution under hydromechanical condition, a series of coupled hydro-mechanical triaxial tests on sandstone specimens were conducted based on th...
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Xiaoyu Lu, Ruipeng Qin, Chunliang Dong and Chaotao Fan
In many underground engineering projects, rocks are often subjected to cyclic loading and unloading, such as repeated excavation of roadway surrounding rock, which will lead to damage to underground rocks, and the energy of rocks also changes. Therefore,...
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Yury Solyaev
The elastodynamic stress field near a crack tip propagating at a constant speed in isotropic quasi-brittle material was investigated, taking into account the strain gradient and inertia gradient effects. An asymptotic solution for a steady-state Mode-I c...
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Shihao Luo, Naigang Cui, Xiaowei Wang, Youhua Fan and Run Shi
In order to improve the shortcomings of the traditional constant section and gradual section space elevator system, combined with the advantages of constant section and gradual section space elevator system, a model of segmented space elevator system is ...
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Jiang Chang, Xue Gong, Yinglei Zhang, Zhihui Sun, Ning Xia, Huajiang Zhang, Jing Wang and Xiang Zhang
Shell is a typical biomineralized inorganic?organic composite material. The essence of scallop deshelling is caused by the fracture failure at the interface of the organic and inorganic?organic matter composites. The constitutive equations were solved so...
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Amged El Hassan, Waleed Ahmed and Essam Zaneldin
In this study, a finite element model was developed, and a detailed analysis was carried out to investigate the impact of inclusions on the mechanical characteristics of a 3D-printed composite sandwich beam that could initiate when printing the layers, e...
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Sadegh Derakhshan, Esmaeil Dodangeh, Hossein Afzalimehr, Mohammad Nazari-Sharabian, Hamidreza Raeisifar and Moses Karakouzian
Aquatic vegetation plays a critical role in aquatic environments and provides various valuable services. To characterize vegetation, vegetation density and flexibility are usually used as parameters, but aquatic vegetation found in nature may have a non-...
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Zhiqiang Zhang, Binke Chen and Qingnan Lan
A series of model tests were performed to investigate the load-bearing mechanism of a mined railway tunnel lining under water pressure. To investigate the load-bearing characteristics of different types of linings, a fully closed water pressure exerting ...
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Edward T. Bednarz and Ryan R. Mulligan
A structural beam which is subjected to shear forces acting perpendicularly to its longitudinal axis will experience longitudinal and transverse shear stresses. In beams where failure in the transverse direction is plausible, it is desirable to maintain ...
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Yubo Zhu, Jili Rong, Qianqiang Song and Zhipei Wu
High reliability is the basic requirement of aerospace pyrotechnic devices. Traditional reliability evaluation methods require a lot of tests, which become too expensive; therefore, the small-sample evaluation method is needed to reduce the cost. Using e...
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