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Hao Wang, Yejiao Wang and Fujie Jin
The swelling-shrinkage behavior of expansive soils under climate changes will cause the crack development, which can be destructive of expansive soil slopes. This study investigated the effect of drying/wetting cycles on the stability of an expansive soi...
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Juntao Ma, Xue Ling, Qin Zhou, Zhiqiao Wang and Hongjie Liu
In order to study the mechanism of crack propagation in rock cutting, experiments and discrete element numerical simulation of rock cutting at different depths were adopted in this paper. The rock fragmentation can be divided into mini-size fragmentation...
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Sri Tudjono,Han Ay Lie,Sholihin As?ad
Pág. 72 - 77
The behavior of reinforced concrete elements is complex due to the nature of the concrete that is weak in tension. Among these complex issues are the initial cracking and crack propagation of concrete, and the bond-slip phenomenon between the concrete an...
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Rubén Graffe, Dorian Linero
Pág. Page 399 - 418
This work describes the formulation, implementation and application of a cohesive crack discrete model, which can simulate the fracture process in mode I of simple concrete beams with defined cracking pattern. In the fracture process, a relationship betw...
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Chun Lin, Zhe Lin, Xin Xue, Song He and Lei Wang
Reinforced concrete (RC) structures under earthquake excitation may fail and cause significant casualties and economic losses, highlighting the importance of studying their seismic failure mechanisms. Considering that the commonly used finite element met...
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Bao-Yu Ni, Zi-Wang Chen, Kai Zhong, Xin-Ang Li and Yan-Zhuo Xue
In most previous ice?ship interaction studies involving fluid effects, ice was taken as unbreakable. Building breakable level ice on water domain is still a big challenge in numerical simulation. This paper overcomes this difficulty and presents a numeri...
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M. A. Hariri-Ardebili, M. Heshmati, P. Boodagh and J. W. Salamon
Different numerical models have been proposed for seismic analysis of concrete dams by taking into account the nonlinear behavior of concrete and joints; interaction between the dam, foundation, and reservoir; and other seismic hazard considerations. Les...
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Pengyu Liu, Yinghao Shen, Mianmo Meng, Senlin Luo, Yi Zhong and Qiming Cen
Gravel is one of the main factors affecting the mechanical properties of conglomerates, which plays a decisive role in crack propagation. In this paper, taking the conglomerate of the Baikouquan Formation in Mahu Sag of Xinjiang as the research object, a...
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Hongwei Deng, Bokun Zhao, Yigai Xiao and Guanglin Tian
The response characteristics of the mesostructure and macro-characteristics of the soil?rock mixture under repeated freeze?thaw action have an important influence on the safety and stability of the dump slope in low-temperature environments. In order to ...
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Bin Ma, Xinchao Ding and Xingzhou Chen
The excavation-unloading damage effects of western high-geostress slopes on rock were explored by testing the pre-peak confining pressure unloading sandstone reloading mechanical properties. The deformation and failure mechanisms were studied from a meso...
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Nuno Monteiro Azevedo, Fernando F. S. Pinho, Ildi Cismasiu and Murilo Souza
To predict the structural behaviour of ancient stone masonry walls is still a challenging task due to their strong heterogeneity. A rubble-stone masonry modeling methodology using a 2D particle model (2D-PM), based on the discrete element method is propo...
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Jiaqi Guo, Lipan Cheng, Yongbiao Lai, Yongchao Tian and Lu Li
The stability control of the surrounding rock is greatly influenced by the rock joint?s shear mechanical characteristics and deformation failure mechanism. A numerical model of the dentate joints was created using a particle flow discrete element method ...
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Haibin Li, Canyang Cui, Jun Cai, Mingming Zhang and Yanping Sheng
Steel slag (SS) is industrial waste, and there is a large amount of SS to be treated in China. Its disposal generates severe environmental pollution. One of the best ways to use SS is as a road base material. This paper reviews the possibility of using S...
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Simon Ambühl, Morten Kramer and John Dalsgaard Sørensen
The levelized cost of energy (LCOE) from wave energy converters (WECs) needs to be decreased in order to be able to become competitive with other renewable electricity sources. Probabilistic reliability methods can be used to optimize the structure of WE...
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