Fractal characteristics of fiber lithium slag concrete cracks under sulfate attack [PDF]
, 2022 Natural corrosion of concrete structure due to sulfate poses a serious threat to people's lives and property. Therefore, it is of great practical significance to study the phenomenon of sulfate corrosion on concrete.
Guang-tai ZHANG +3 more
core +1 more source
Key technologies for extraction and identification of gas target area for pressure relief in inclined thick coal seam [PDF]
, 2023 In order to study the dip angle effect on the evolution law of the target area for pressure relief gas drainage in inclined thick coal seams, the physical similarity simulation test and theoretical analysis were combined to study the fracture evolution ...
Haifei LIN +4 more
core +1 more source
Pore structure characteristics of middle and low rank coals and their influence on gas desorption characteristics [PDF]
, 2022 The pore structure of coal is an important factor affecting gas storage and migration. In order to further study the gas desorption characteristics of low and medium metamorphic coals, 6 sets of coal samples from the Fukang mining area were selected for ...
Bang REN, Cuixia WANG, Jikun LIU
core +1 more source
Experimental study on characterization hydraulic fracturing coal fracture network and evolution of fracture forming performance [PDF]
, 2023 The accurate characterization of coal fracture network can effectively evaluate the fracturing effect of the deep coal seam after hydraulic fracturing.
Changbao JIANG, Guangqi WANG, Yinlan FU
core +1 more source
The relationship between permeability and pore structure of coal slime filter cake based on fractal characteristics [PDF]
, 2023 Establishing the correlation between the complex microscopic pore structure characteristics of the filter cake and the macroscopic seepage behavior is an important basis for solving the difficulty of coal slime dewatering.
Ruxia CHEN, Xianshu DONG, Zeyu FENG
core +1 more source
Micro morphology and pore structure of macerals in coal observed by atomic force microscopy (AFM) [PDF]
, 2023 Coal is not only important energy resource, but also potential source of materials. As energy resource, coal has these physical properties which are important for comprehensive applications and transformations.
Hao CHEN +4 more
core +1 more source
Multi-scale distribution of coal fractures based on CT digital core deep learning [PDF]
, 2023 In order to realize high-precision and high-efficiency identification of multi-scale distribution characteristics of coal fractures, carry out the study of multi-scale distribution characteristics identification methods based on CT digital core deep ...
Dong ZHOU +4 more
core +1 more source
Fractal characteristics of pore structures on different coal structures and its research significance [PDF]
, 2023 The occurrence and production of coalbed methane is related to the development degree of pore system in coal reservoirs. The pore structure characteristics of original structural coal seam will change significantly after damage and deformation, thus ...
Baoyu WANG +3 more
core +1 more source
Research on the fracture evolution law and combined bearing structure load of shallow buried coal seam group [PDF]
, 2023 The high-intensity mining of shallow-buried coal seams leads to the fracture of the bearing strata to form a combined bearing structure, which complicates the distribution of cracks in the overlying rock and causes serious damage to the surface. In order
Jie ZHANG, Yifeng HE
core +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2022 准噶尔盆地东北缘卡拉麦里地区是我国重要的金矿分布区，区内断裂系统错综复杂，控矿作用显著，需对不同方位、不同规模断裂系统的空间分布规律、发育复杂程度及对金矿床的控制规律进行深入研究，目前尚未见对该区域断裂系统的分形特征与金矿分布关系研究。对准噶尔盆地东北缘卡拉麦里地区断裂构造进行了不同尺度、不同方位的分形维数计算，得到全部断裂构造的分形维数为1.421，各方向断裂构造的分形维数：NW向为1.382，NWW向为1.223，近EW向为0.976，NE向为0.960 ...
SUNWenjie(孙文洁) +3 more
doaj +1 more source