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Zhi Li, Haoyu Mao, Biao Li, Xiang Zhou, Guo Liao and Jianjun Chen
Numerous large hydropower projects have been built, are being built, or are planned to be developed in southwest China as a result of the increasing demand for clean energy in China?s social and economic development. Based on engineering geological data,...
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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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Yiping Ouyang, Qi Yang, Xinquan Chen and Yongfu Xu
Cutter suction dredgers are important pieces of rock excavation equipment in port and waterway construction. It is valuable but difficult to properly estimate the cutting force on the chisel pick of the cutter suction dredger. In this paper, an analytica...
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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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Hongyu Zheng, Jingwen Sun, Na Guo and Mingjie Wang
A molecular dynamics simulation was applied to investigate the diffusion behavior and mechanical properties of a Fe/Cu solid?liquid interface with different orientations, temperatures, and strain rates. The results show that the displacement distance of ...
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A. E. Ostrovska,I. P. Volchok
Pág. 211 - 214
Investigation of the influence of intermetallic phases on the mechanism of fatigue fracture of the secondary aluminum alloys was made.
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Hao Yang, Kai Bian, Tieji Wang, Zidong Jin, Bo Liu, Hui Sun and Junbin Chang
In order to effectively prevent and control the problem of water inrush from the through-type fault floor, based on the analysis of the case data of water inrush from the fault structure in the Fengfeng mining area, the types of karst water inrush from t...
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Bingyu Han, Dajun Yuan, Teng Wang and Zhongxin Wang
The Jinan Jiluo Road Crossing the Yellow River Tunnel North Extension Project will intersect the Queshan reservoir, which currently supplies 60% of the domestic water in Jinan City. During the excavation process of the large-diameter slurry type shield u...
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Yi Hu, Yiwei Liu, Can Cai, Yong Kang, Xiaochuan Wang, Man Huang and Feng Chen
Due to the advantages of good fracture performance and the application of carbon capture and storage (CCS), supercritical carbon dioxide (SC-CO2) is considered a promising alternative for hydraulic fracturing. However, the fracture initiation mechanism a...
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Jian Sun, Lei Wu and Chengqi Sun
The notch (i.e., stress concentration) and defect are important factors influencing the conventional fatigue behavior of metallic materials. What is the influence of notches and defects on the dwell fatigue mechanism and fatigue life? In this paper, the ...
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Xiaokai Li, Xiaolong Zhang, Faming Zhang, Jian Huang, Shixiong Tang and Zhiqing Liu
The mountainous areas of Southwest China have the characteristics of valley deep-cutting, a large topographic gradient, complex geological structures, etc. With the development of infrastructure construction in the area, the construction of bridges acros...
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Shuyuan Xu, Yongbo Zhang, Hong Shi, Kai Wang, Yipeng Geng and Junfeng Chen
Underground mining severely lowers the water table and worsens the ecological environment. To determine the mechanism influencing drawdown in unconsolidated aquifers induced by deep mining combined with overburden movement, with a view to environmental p...
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Supriyono Sastrowiyono
Pág. 15 - 22
The objective of this research is to study the effect of ball size on characteristics of product of shaker high energy ball milling (HEBM) to produce nano particle from bamboo charcoal. A new shaker mechanism is developed. The characteristics of the part...
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Chenggang Pan, Dudu Liu, Chuanxiang Zhao, Qingming Chang and Peng He
TiC/Ni composite coatings on H13 steel plates were fabricated in situ by self-propagating high-temperature synthesis and combined with a pseudo-heat isostatic press. The microstructure of the coating was characterized by X-ray diffraction and scanning el...
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Jie Zhang, Jianjun Wu, Tao Yang, Sen Yang, Yifeng He and Shoushi Gao
With the gradual increase in the mining depth of coal resources, the destruction of the rock structure of the inter-layered rock of the near coal seam under the influence of mining has led to the frequent occurrence of water-inrush disasters in mines, wh...
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George Xiroudakis, George Saratsis and Ilias Lazos
This paper uses the displacement discontinuity method, one of the boundary element methods, to solve two major engineering problems. The first one addresses the safe design of underground excavations in fractured rock masses. The implemented method was u...
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Bowen Shi, Xiaokai Mu, Huan Zhan, Linhui Deng, Tao Li and Hongchao Zhang
Almost all of the research on cracks in laser cladding is based, at present, on a horizontal substrate, which cannot be directly applied to prepare high performance coatings, especially high hardness coatings, on tilted substrate. In this work, the influ...
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Alan Rondineau, Laurent Gaillet, Lamine Dieng and Sébastien Langlois
High-voltage electrical cables are prone to saline corrosion, mostly in coastal environments. Steel wires are a crucial element in withstanding the mechanical solicitations of commonly used aluminum conductor steel reinforced (ACSR) cables. An experiment...
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Charalampos Konstantinou and Giovanna Biscontin
Fluid injection in a porous medium is the underlying mechanism for many applications in the fields of groundwater hydraulics, hydrology and hydrogeology, and geo-environmental engineering and in the oil and gas industry. Fluid flow experiments in porous ...
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Umer Waqas, Hafiz Muhammad Awais Rashid, Muhammad Farooq Ahmed, Ali Murtaza Rasool and Mohamed Ezzat Al-Atroush
This review paper summarizes the recent and past experimental findings to evaluate the damage characteristics of carbonate rocks subjected to thermal treatment (20?1500 °C). The outcomes of published studies show that the degree of thermal damage in the ...
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