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Hongwei Deng, Guanglin Tian, Songtao Yu, Zhen Jiang, Zhiming Zhong and Yanan Zhang
Micro-pore structure has a decisive effect on the physical and mechanical properties of porous materials. To further improve the composition of rock-like materials, the internal relationship between microscopic characteristics (porosity, pore size distri...
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Lingtao Mao, Haizhou Liu, Ying Zhu, Ziyan Zhu, Rui Guo and Fu-pen Chiang
Digital volumetric speckle photography (DVSP) method has been used to strain investigation in opaque materials. In this paper, an improved DVSP algorithm is introduced, in which a multi-scale coarse?fine subset calculation process and a subvoxel shifting...
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Cannata Chiara Benedetta, De Rosa Rosanna, Donato Paola, Morrone Consuele and Muto Francesco
Evidence of volcaniclastic sedimentation occurs in the first depositional sequence of the sedimentary succession of the Amantea Basin. Volcaniclastic deposits are intercalated in the upper part of a sandstone formation and these show a maximum thickness ...
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Fei Wang, Meng Wang, Mohaddeseh Mousavi Nezhad, Hao Qiu, Peng Ying and Caoyuan Niu
The objective of this paper is to investigate the complete process of dynamic crack propagation in brittle materials under different loading rates. By using Improved Single Cleavage Semi-Circle (ISCSC) specimens and Split Hopkinson Pressure Bar equipment...
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Maria Stefanidou, Katia Matziaris and Georgios Karagiannis
Modern sustainable architecture indicates the use of local natural stones for building. Greek sandstones from Epirus (Demati, Greece, EN 12440) used as building facades meet aesthetic and have high mechanical properties, but the inevitable interaction be...
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Yuan Tian, Bangcheng Han, Xinyu Liu, Kai Shen and Jiangbo Li
Using experimental methods to study the influence of hole and cracks on the mechanical properties and fracture characteristics of rock-like mortar materials under biaxial compression conditions. The double crack specimens with hole depths from 0?100 mm a...
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Gang Lei, Tianle Liu, Qinzhuo Liao and Xupeng He
Digital rock physics (DRP) has been widely used as an effective approach for estimating the permeability of porous media. However, conventional implementation of DRP requires the reconstruction of three-dimensional (3D) pore networks, which suffer from i...
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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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Songtao Yu, Hongwei Deng, Guanglin Tian and Junren Deng
Microscopic characteristics greatly affect mechanical and physical properties as they exert vital impact on the stability and durability of materials. In this paper, widely distributed sandstone was chosen as the research object. Sandstone was treated wi...
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Mike Viney, George E. Mustoe, Thomas A. Dillhoff and Paul K. Link
The Bruneau Woodpile site has long been popular among fossil collectors; however, the deposit has received scant attention from scientists. Our research reveals that the fossilized wood was deposited ca. 6.85 Ma, within the Chalk Hills Formation, and was...
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