Water inflow forecasting for tunnel considering nonlinear variation of permeability coefficient
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DOI: 10.1007/s11771-017-3566-x
Abstract: To assess the water inflow which is more suitable to the actual conditions of tunnel, an empirical correlation about the permeability coefficient changing with depth is introduced. Supposing that the surrounding rock is heterogeneous isotropy,… read more here.
Keywords: water; water inflow; tunnel; permeability coefficient ... See more keywords
Three-dimensional mesoscopic permeability of porous asphalt mixture
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DOI: 10.1016/j.conbuildmat.2019.117430
Abstract: Abstract This study aims to accurately analyze the three-dimensional (3-D) mesoscopic permeability of porous asphalt mixture. Industrial CT scanning and 3-D image reconstruction technology were used to analyze the mesoscopic void space in porous asphalt… read more here.
Keywords: porous asphalt; permeability coefficient; permeability; mesoscopic permeability ... See more keywords
Development of relationships between permeability coefficient and electrical and thermal conductivity of recycled aggregates permeable cement concrete
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DOI: 10.1016/j.conbuildmat.2020.119247
Abstract: Abstract Relationships between electrical, thermal conductivities, compressive strength and penetration of permeable cement concrete with various rheological parameters are investigated in this paper. Water-cement ratios applied in this research are 0.3, 0.35 and 0.4. Various… read more here.
Keywords: permeability; permeable cement; cement concrete; permeability coefficient ... See more keywords
Comparison between the falling head and the constant head permeability tests to assess the permeability coefficient of sustainable Pervious Concretes
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DOI: 10.1016/j.cscm.2017.09.001
Abstract: Abstract The use of Pervious Concrete (PC) increased in the last years as an alternative to solve the run-off problem. PC shows a high percentage of empty spaces/gaps, which vary from 10 to 35%, facilitating… read more here.
Keywords: head; permeability coefficient; permeability; head permeability ... See more keywords
A Method and Equipment for Continuously Testing the Permeability Coefficient of Rock and Soil Layers
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DOI: 10.1155/2020/6639892
Abstract: The water pressure test and steady-flow pumping test are still commonly used for measuring the permeability coefficient of rock and soil strata. Limited by the fact that the average value of the permeability coefficient could… read more here.
Keywords: test; rock soil; water; permeability coefficient ... See more keywords
Research on Nanoeffect of Penetration and Consolidation under Nonlinear Characteristics of Saturated Soft Clay
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DOI: 10.1155/2022/7463817
Abstract: In order to systematically study the nanopermeability properties of saturated soft clay under different consolidation pressures and different osmotic pressures, this paper analyzes various loading and unloading conditions that affect the permeability of soil based… read more here.
Keywords: saturated soft; permeability coefficient; consolidation; soft clay ... See more keywords
A Review of Characteristics of LandfilledMunicipal Solid Waste in Several Countries:Physical Composition, Unit Weight,and Permeability Coefficient
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DOI: 10.15244/pjoes/81089
Abstract: The characteristics of landfilled municipal solid waste have great influence on the design, operation, and management of landfills, affecting settlement, slope stability, and leachate/gas well integrity. Through analysis and study we observed that the landfill… read more here.
Keywords: waste; unit weight; permeability coefficient;
Comment on “Laboratory Measurement and Analysis of the Deteriorated Layer Permeability Coefficient of Soil–Cement Deteriorated in a Saline Environment”
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DOI: 10.3390/ma13010196
Abstract: The derivation of a formula to compute the permeability coefficient in the commented paper assumes that the mass flow is homogeneous in a homogeneous layer of a specimen. This assumption is not correct when there… read more here.
Keywords: comment laboratory; laboratory measurement; permeability coefficient; permeability ... See more keywords