A dual-porosity model for the study of chemical effects on the swelling behaviour of MX-80 bentonite
Sign Up to like & getrecommendations! Published in 2019 at "Acta Geotechnica"
DOI: 10.1007/s11440-019-00762-5
Abstract: Significant chemical influence on the swelling potential of MX-80 bentonite was observed during swelling tests where specimens were hydrated with highly concentrated brine. The maximum swelling pressure for specimens hydrated with brine was about 30%… read more here.
Keywords: dual porosity; swelling behaviour; chemical effects; porosity model ... See more keywords
Indirect Estimation of Swelling Pressure of Clayey Subgrade Under Pavement Structures
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-017-2546-7
Abstract: Predicting the swelling pressure (Ps) in subgrades constitutes a new approach in pavement structural design. It is shown, however, that current conventional testing programs could lead to erroneous results. Several approaches to estimate Ps have… read more here.
Keywords: indirect estimation; swelling pressure; pressure clayey; estimation swelling ... See more keywords
Coupling of chemical and hydromechanical properties in bentonite
Sign Up to like & getrecommendations! Published in 2018 at "Applied Geochemistry"
DOI: 10.1016/j.apgeochem.2018.08.013
Abstract: Abstract Bentonite plays a key role as buffer/backfill in many engineered barrier concepts for nuclear waste repositories and is required to perform over long periods of time. Swelling pressure and porosity distribution, two of the… read more here.
Keywords: swelling pressure; porosity; transport; ionic strength ... See more keywords
Swelling pressure of Na- and Ca-montmorillonites in saline environments: A molecular dynamics study
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2019.110511
Abstract: Abstract The swelling pressure of bentonite clay is an important characteristic that influences its use in nuclear waste disposal repositories. A molecular dynamics study was performed to investigate the influence of salt solutions of different… read more here.
Keywords: dynamics study; pressure montmorillonites; molecular dynamics; swelling pressure ... See more keywords
Roles of alkaline-earth cation species in the swelling pressure of smectites – A computational study
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2020.137602
Abstract: Abstract Interlayer swelling pressure of smectite minerals was investigated at atomic level using molecular dynamics simulation method. Four different alkaline-earth cations were used as interlayer cations for simulated montmorillonite and beidellite minerals. The swelling pressures… read more here.
Keywords: cation; swelling pressure; layer charge; pressure ... See more keywords
An insight into the swelling pressure of GMZ01 bentonite with consideration of salt solution effects
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2019.02.016
Abstract: Abstract Investigation of the swelling pressure of compacted bentonite is of great importance in evaluating the performance of the engineered barrier system in deep geological repositories for disposal of high-level radioactive waste. In this study,… read more here.
Keywords: salt solution; solution effects; gmz01 bentonite; swelling pressure ... See more keywords
Influence of soil suction on swelling pressure of bentonite-sand mixtures
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Environmental and Civil Engineering"
DOI: 10.1080/19648189.2017.1320236
Abstract: AbstractTo investigate the effect of the changes in the soil suction on volume changes, expansion index, swelling pressure, shear strength and the coefficient of permeability, small-scale experiments were conducted on pure bentonite and bentonite mixed… read more here.
Keywords: soil suction; sand; swelling pressure; soil ... See more keywords
EVALUATION OF TIME RATE OF SWELLING PRESSURE DEVELOPMENT DUE TO THE PRESENCE OF SULFATE IN CLAYEY SOILS STABILIZED WITH LIME
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Geomate"
DOI: 10.21660/2017.32.76370
Abstract: The purpose of this study was evaluation of magnitude and time rate of swelling pressure due to the presence of gypsum in clayey soils stabilized with lime. 3,5 and 10 % of lime by dry… read more here.
Keywords: time rate; swelling pressure; rate swelling; due presence ... See more keywords
Research Progress on the Influence of Thermo-Chemical Effects on the Swelling Pressure of Bentonite
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13095580
Abstract: The swelling pressure of bentonite changes dramatically due to diffused nuclear radiation heat and underground osmosis, causing the failure of the buffer isolation layer in deep geological repositories for the disposal of high-level radioactive waste.… read more here.
Keywords: thermo chemical; pressure bentonite; pressure; swelling pressure ... See more keywords