Results 271 to 280 of about 2,243,534 (358)
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Journal of Hydraulic Research, 1976
This study evaluates the effect of some basic properties of clay-minerals mixed with cohesionless soil on scouring at the toe of a spillway. Scouring was analyzed by the concept of incipient motion of the soil particles. Experiment was performed to determine the influence of the clay-minerals (Kaolinites) and its compactness on the rate of volume of ...
Kuti, E. O., Yen, Chin-Lien
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This study evaluates the effect of some basic properties of clay-minerals mixed with cohesionless soil on scouring at the toe of a spillway. Scouring was analyzed by the concept of incipient motion of the soil particles. Experiment was performed to determine the influence of the clay-minerals (Kaolinites) and its compactness on the rate of volume of ...
Kuti, E. O., Yen, Chin-Lien
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1989
Soil cohesion is disrupted by tillage, ice lenses formed during freezing, and differential swelling and air entrapment during rapid wetting. These disruptive events are generally followed by periods during which new bonds form quickly if the soil is wet and dries so that soil-water tension and interfacial tension pull the particles into direct contact.
W. D. Kemper +2 more
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Soil cohesion is disrupted by tillage, ice lenses formed during freezing, and differential swelling and air entrapment during rapid wetting. These disruptive events are generally followed by periods during which new bonds form quickly if the soil is wet and dries so that soil-water tension and interfacial tension pull the particles into direct contact.
W. D. Kemper +2 more
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Characterization of Rocking Shallow Foundations on Cohesive Soil Using Field Snap-Back Tests
Journal of Geotechnical and Geoenvironmental Engineering, 2019This paper presents a series of field snap-back experiments of a soil-footing-structure system equipped with rocking foundation on a cohesive soil.
K. Sharma, L. Deng
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The Journal of Agricultural Science, 1925
1. Experiments in which were measured the resistances to (a) transverse breaking, (b) crushing, and (c) parting under tensile pull of standard blocks of soil prepared in different ways and under particular moisture conditions are described and discussed.2. The soils examined comprised three highly colloidal siliceous soils containing amounts of calcium
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1. Experiments in which were measured the resistances to (a) transverse breaking, (b) crushing, and (c) parting under tensile pull of standard blocks of soil prepared in different ways and under particular moisture conditions are described and discussed.2. The soils examined comprised three highly colloidal siliceous soils containing amounts of calcium
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Geomechanics and Geoengineering, 2019
Cohesive soil undergoes cyclic softening when experiences the dynamic loading conditions. Evaluation of strength loss under such loading conditions is essential for soil stability analysis.
Saloni Pandya, A. Sachan
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Cohesive soil undergoes cyclic softening when experiences the dynamic loading conditions. Evaluation of strength loss under such loading conditions is essential for soil stability analysis.
Saloni Pandya, A. Sachan
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Kirigami Skin Improves Soft Earthworm Robot Anchoring and Locomotion Under Cohesive Soil
International Conference on Soft Robotics, 2019Earthworms can move beneath soil by expanding parts of their bodies radially; bristles called setae work as anchors during surface locomotion but their efficacy during subsurface movement is unknown.
Bangyuan Liu +3 more
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Hydrotechnical Construction, 1985
1. A physical substantiation of the dimensionless group Mr as a parameter of the resistance of the channel to erosion is given and other dimensionless groups (the flow-channel system) are included in it. 2. New dimensionless groups (6)-(9), which are a development of the Lokhtin-Velikanov idea about the law of interaction of the flow and
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1. A physical substantiation of the dimensionless group Mr as a parameter of the resistance of the channel to erosion is given and other dimensionless groups (the flow-channel system) are included in it. 2. New dimensionless groups (6)-(9), which are a development of the Lokhtin-Velikanov idea about the law of interaction of the flow and
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Liquefaction of Cohesive Soils
Soil Dynamics and Liquefaction 2000, 2000Liquefaction of sand, clean or with some fines content, has been extensively studied over the last three decades and is currently a phenomenon reasonably predictable. The study of cohesive soils behavior during and immediately after cyclic loading is especially difficult because of their structure variability and the major influence of structural ...
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Fractal Representation of Soil Cohesion
Journal of Geotechnical and Geoenvironmental Engineering, 1999Evaluation of soil cohesion is usually based on measurements made on laboratory-scale samples. Some previous studies point out a decreasing trend in cohesion as the test specimen size increases. Although this trend is, in general, attributed qualitatively to fractures and macropores associated with larger samples, no rational basis has been put forth ...
Mohan V. S. Bonala, Lakshmi N. Reddi
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Erosion Resistance of Cohesive Soils
Journal of the Hydraulics Division, 1981An experimental study is described that concerned the surface erosion of an illitic silty clay (Grundite) at selected salinities and water contents; the study was designed to test the applicability of rate process and double layer theories. Both velocity increment and temperature increment tests were run in a refrigerated water tunnel.
William E. Kelly, Ronald C. Gularte
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