Journal of Physics: Conference Series, 2018 Site classification utilizing average shear wave velocity (Vs(30) up to 30 meters depth is a typical parameter. Numerous geophysical methods have been proposed for estimation of shear wave velocity by utilizing assortment of testing configuration, processing method, and inversion algorithm. Multichannel Analysis of Surface Wave (MASW) method is been
M. A. M Ashraf +4 more
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New constraints on data-closeness and needle map consistency for shape-from-shading [PDF]
, 1999 This paper makes two contributions to the problem of needle-map recovery using shape-from-shading. First, we provide a geometric update procedure which allows the image irradiance equation to be satisfied as a hard constraint.
Hancock, E R, Worthington, P L
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Application of satellite radar interferometry (PSInSAR) in analysis of secondary surface deformations in mining areas. Case studies from Czech Republic and Poland [PDF]
, 2018 Secondary deformations are ground movements occurring in areas of ceased underground mining. These are associated with delayed readjustment of rock mass resulting in subsidence, discontinuous deformations (sinks, cracks, etc.) due to destruction of ...
Blachowski, Jan +4 more
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Ground Deformation of Shield Tunneling through Composite Strata in Coastal Areas
BuildingsIn order to mitigate ground deformation during shield construction in both upper soft and lower hard strata of coastal areas, a numerical simulation was executed.
Xiong Wu +8 more
doaj +1 more source
Bound States in Mildly Curved Layers
, 2001 It has been shown recently that a nonrelativistic quantum particle constrained to a hard-wall layer of constant width built over a geodesically complete simply connected noncompact curved surface can have bound states provided the surface is not a plane.
Abramowitz M S +16 more
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Influence of Lithology on the Characteristics of Wave Propagation and Dynamic Response in Rocky Slope Sites Subject to Blasting Load Via the Discrete Element Method [PDF]
LithosphereTo investigate the dynamic response and attenuation law of rock slope sites subjected to blasting, three lithological numerical models, including slate (hard rock), tuff (relatively soft rock), and shale (soft rock), are established by using MatDEM.
Danqing Song +6 more
doaj +1 more source
Meikuang Anquan, 2023 In the process of extra-thick coal seam mining, the strength of hard roof above the coal seam is high, the breaking step distance is large, and it is difficult to collapse, especially the mining disturbance range is wide, and the rock strata of large ...
MEN Hong, ZHAO Huaquan, DOU Guidong, JIA Zenglin, GAO Yonggang, YAN Bin, XIE Fei, WU Liang
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On the modeling of sound propagation over multi-impedance discontinuities using a semiempirical diffraction formulation [PDF]
, 2006 Several approximate extensions of the semi-empirical De Jong model [ De Jong et al., J. Sound and Vib. 86, 23–46 (1983) ] are considered for the prediction of sound propagation over multiple impedance discontinuities.
Lam, YW, Monazzam, M
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Liquidation of Shallow-Lying Post-Mining Excavations
Applied SciencesThis article presents an example of the treatment of rock mass disturbed by shallow mining of hard coal in the Małopolska voivodeship, Poland. Considering various methods of rock mass recognition and ways of eliminating shallow voids, recipes for sealing
Jan Macuda +2 more
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Acoustic propagation over periodic and quasi-periodic rough surfaces [PDF]
, 2016 Transport noise is an ever present concern in urban areas affecting the quality of life for millions of people. The traditional noise barrier is not always a convenient method of noise control and can divide communities.
Attenborough, Keith +3 more
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