Articles with "permeability coefficient" as a keyword



Water inflow forecasting for tunnel considering nonlinear variation of permeability coefficient

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Published in 2017 at "Journal of Central South University"

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
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Three-dimensional mesoscopic permeability of porous asphalt mixture

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Published in 2020 at "Construction and Building Materials"

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
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Development of relationships between permeability coefficient and electrical and thermal conductivity of recycled aggregates permeable cement concrete

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Published in 2020 at "Construction and Building Materials"

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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Published in 2017 at "Case Studies in Construction Materials"

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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Published in 2020 at "Advances in Civil Engineering"

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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Published in 2022 at "International Journal of Analytical Chemistry"

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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Published in 2018 at "Polish Journal of Environmental Studies"

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;

Experimental Study on the Influence of Cooling Rates on the Permeability Coefficient of Thawed Soil After Open Frozen

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Published in 2025 at "Buildings"

DOI: 10.3390/buildings15050753

Abstract: Adjusting freezing patterns is a critical technology in artificial ground freezing (AGF) projects to mitigate frost heave. The distribution of ice lenses formed under varying freezing patterns not only influences frost heave but also modifies… read more here.

Keywords: permeability coefficient; permeability; cooling rates; thawed soil ... See more keywords

Unconventional Fossil Energy Carrier Assessment of the Influence of the Gas Permeability Coefficient on the Structure of Porous Materials: A Review

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Published in 2025 at "Energies"

DOI: 10.3390/en18040870

Abstract: The issue of gas permeability of porous beds is important for the development of a new generation of clean energy sources, especially in the context of unconventional energy storage. Detailed experimental studies were carried out… read more here.

Keywords: permeability coefficient; energy; porous materials; gas ... See more keywords

Comment on “Laboratory Measurement and Analysis of the Deteriorated Layer Permeability Coefficient of Soil–Cement Deteriorated in a Saline Environment”

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Published in 2020 at "Materials"

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

Effect of Leaching of Ionic Rare Earth Ores on the Permeability Coefficient of Mineral Soil and Its Correlation with the State Parameter

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Published in 2025 at "Metals"

DOI: 10.3390/met15030258

Abstract: The permeability of ionic rare is a crucial factor influencing the leaching rate of rare earth elements. In the Gannan region, many ionic rare earth ores exhibit poor permeability and high compressibility compared to sandy… read more here.

Keywords: permeability coefficient; permeability; ionic rare; rare earth ... See more keywords