Results 171 to 180 of about 67,863 (210)
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Effect of rainfall on matric suctions in a residual soil slope
Canadian Geotechnical Journal, 1996A slope stability study involving shallow slip surfaces should include the effect of negative pore-water pressures in a slope. A field instrumentation program was carried out to monitor negative pore-water pressure (i.e., in situ matric suction) in a residual soil slope in Singapore.
Rahardjo, Harianto +3 more
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Principle and Prototype Testing of a New Matric Suction Sensor
Geotechnical Testing Journal, 2010Abstract A new principle for matric suction measurement is proposed, based upon strain measurement of a contiguous porous material of high air-entry value (AEV). In theory, this allows for the measurement of matric suction without the associated errors due to cavitation or hysteresis for suctions below the AEV.
Adedeji Dunmola +2 more
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Matric suction characteristics and its influences on the stability of landslide
2011 International Conference on Electric Technology and Civil Engineering (ICETCE), 2011Matric suction has vital influences on the stability of landslide. According to the existed researches, some issues have been researched, such as the measurements and control technique for matric suction of unsaturated soils, the suction influences on strength of unsaturated soils, and the suction mechanism on unsaturated soil of landslide.
null Xiang-hui Hu, null Sheng-guo Cheng
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Effect of Fines and Matric Suction on the Collapsibility of Sandy Soils
2019New geotechnical challenges are encountered due to construction of new urban communities in desert, among which is dealing with collapsible soil formations. Collapsible soils are metastable material, traditionally defined as an unsaturated soil that experiences a radical rearrangement of particles and significant reduction of volume upon wetting.
Mohamed A. Alassal +2 more
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Development of a Soil Matric Suction Direct Measurement Probe
2015This paper presents the development of a soil matric suction direct measurement probe, based on the instrument originally designed at the Imperial College by A. M. Ridley and J.M. Burland. The prototype is capable of measuring suction values up to 1500 kPa with a theoretical resolution of 7.5kPa.
Rodari Germán +3 more
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The relationship between thermal conductivity and matric suction of soils
2021<p>The soil thermal conductivity (&#955;) and matric suction of soil water (h, the negative of matric potential) relationship has been widely used in land surface models for estimating soil temperature and heat flux following the McCumber and Pielke (1981, MP81) &#955;-h model.
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The change of matric suction due to heavy vehicle crossing
2014Classical soil mechanics for unsaturated soils mainly deals with quasi static loading conditions because most laboratory tests, such as triaxial tests, are time consuming due to equilibration processes. Under natural conditions, however, cyclic and even dynamic loading of the unsaturated soil may occur with the soil response of suction and saturation ...
Grabe, Jürgen, Milatz, Marius
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Soil matric suction as an indicator of the mud flow occurrence
2009The Slano blato landslide is one of the largest landslides in Slovenia with a volume of more than 1 MIO m3. In dry periods the landslide behaves as a group of several slow moving landslides. In wet periods it moves mainly as a viscous earth flow with occurrences of rapid mudflows. The transformation from the slow moving landslide to the much faster mud
Petkovšek A. +4 more
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ON TOTAL, MATRIC AND OSMOTIC SUCTION
Soil Science, 1972J. KRAHN, D. G. FREDLUND
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