Results 221 to 230 of about 5,863 (268)

Petrographic and geochemical evidence from pyrite for the genesis of the Bainiuchang Ag-polymetallic deposit southeastern Yunnan. [PDF]

Sci Rep
Wang T, Liu X, Zhang S, Lu B, Chen S, Meng G, Zhang H, Chen X, Zhou J, Mi X, Shi N, Xiao K.   +11 more
europepmc   +1 more source

Investigating the Thermal Cracking Processes of a Concrete Disk Considering the Influences of Aggregates and Pores: A Numerical Study Based on DEM. [PDF]

Materials (Basel)
Hu S, Zhu X, Shi J, Li Y, Yu S.
europepmc   +1 more source

Integrating 2D nanomaterials with organic acid-mediated rock phosphate solubilization for enhanced phosphorus availability: a review. [PDF]

RSC Adv
Dabare S, Munaweera I.
europepmc   +1 more source

Progressive damage mechanism and multiscale characterization of hard sandstone-coal composite structures under loading. [PDF]

PLoS One
Dang J, Tu M, Zhang X, Bu Q.
europepmc   +1 more source

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Hydraulic fracturing model of a layered rock mass based on peridynamics

Engineering Fracture Mechanics, 2021
Abstract In this work, we proposed a hydraulic fracturing model for layered rock based on peridynamics and studied the mechanism of hydraulic fracturing in a layered rock mass, i.e., complex propagation behaviors at the interface such as crossing, kinking, bifurcation, and arrest.
Mingqi Qin, Diansen Yang, Weizhong Chen   +2 more
exaly   +2 more sources

Dispersive waves in layered rock masses with periodic jointed structure

, 2011
A procedure for second-order computational homogenization of layered rock masses is derived in order to describe the effect of the material heterogeneities and to include scale effects on the shear wave propagation. The homogenization procedure is based on an appropriate representation of the micro-displacement field in the unit cell which is assumed ...
BACIGALUPO, ANDREA, GAMBAROTTA, LUIGI
openaire   +2 more sources

Vertical performance of rock-socketed pile group in layered saturated rock-soil mass

Computers and Geotechnics, 2023
Zhi Yong Ai
exaly   +2 more sources

On Stress Distribution in Layered Rock Masses

Izvestiya, Physics of the Solid Earth, 2018
Spatial distribution of principal stresses in a layered elastic medium is considered in the paper. Transformations of the principal stresses across an interface between the layers are analyzed. A method for reconstructing the spatial stress distributions in layered medium from several spot measurements is proposed. The introduced approach is capable of
N. V. Dubinya, A. N. Galybin
openaire   +1 more source

Modelling the deformation of underground excavations in layered rock masses

International Journal of Rock Mechanics and Mining Sciences, 1997
Abstract Two small-scale models simulating an opening in a flat-lying layered rock mass were manufactured in the laboratory using ilmenite sand and gypsum mixtures and tested on a loading frame until failure. It was observed that the failure of the opening was initiated by tensile cracking at the mid-section of the immediate roof layer.
D ADHIKARY, A DYSKIN
openaire   +1 more source