Results 41 to 50 of about 1,834,727 (294)

Estimation of the hydraulic parameters of unsaturated samples by electrical resistivity tomography [PDF]

open access: yes, 2012
In situ and laboratory experiments have shown that electrical resistivity tomography (ERT) is an effective tool to image transient phenomena in soils. However, its application in quantifying soil hydraulic parameters has been limited.
Musso, Guido   +6 more
core   +1 more source

Unsaturated soils in the context of tropical soils

open access: yesSoils and Rocks, 2021
Abstract The practice of geotechnical engineering in tropical climate regions must consider the use of unsaturated soil concepts. However, these concepts must also take into account the specific behavior traits of tropical soils, particularly those related to soil aggregation, pore structure, and mineralogy.
Carvalho, José Camapum de   +1 more
openaire   +3 more sources

Cyclic behaviour of an unsaturated silty soil subjected to hydro-mechanical damage [PDF]

open access: yesE3S Web of Conferences, 2020
The dynamic behaviour of unsaturated soil subjected to cyclic loading is considered using two stress state variables, net normal stress and matric suction. Though the influence of excess pore-water pressures in fully saturated soils has been investigated
Nishimura Tomoyoshi
doaj   +1 more source

Numerical analysis of evolution of the unsaturated soil micro-structure with capillary action during compression

open access: yesShuiwen dizhi gongcheng dizhi, 2022
Using numerical method to investigate the evolution of micro-structure in unsaturated soil is helpful to explain their physical mechanical. However, the evolution of micro-structure in unsaturated soil is not clear.
Qiang LI   +5 more
doaj   +1 more source

Practical Approach for Assessing Wetting-Induced Slope Failure

open access: yesApplied Sciences, 2023
Ignoring the role of soil suction and implementing unsaturated soil mechanics when assessing slope stability in Indonesia is a common practice. One of the main reasons is due to the precognition that incorporating soil suction means using higher shear ...
Glenn Adriel Adiguna   +5 more
doaj   +1 more source

Unsaturated soils [PDF]

open access: yes, 2010
The paper presents a comparison between compacted and reconstituted soils in terms of microstructure, and hydraulic and mechanical response. It is commonly assumed that reconstituted and compacted soils exhibit a fundamentally different behaviour due to different microstructures.
openaire   +2 more sources

Mechanical behavior and constitutive modelling of expansive soils under conditions of wetting and low confining stress

open access: yesYantu gongcheng xuebao
Typical deformation and failure of expansive soils usually occur under conditions of wetting and low confining stress. However, the mechanisms of coupling between mechanical and hydrological behaviors under those conditions are still obscure.
ZHOU Baochun 1 , JIANG Xingyun 1, MA Quanguo 1, SHAN Lixia 1, WANG Jiangwei 1, LI Ying 1, YI Xianda 1, KONG Lingwei 2
doaj   +1 more source

Torsional ring shear tests on residual strength of expansive soils with different swelling potentials

open access: yesYantu gongcheng xuebao
The correlation between residual strength and compositional characteristics of expansive soils with different swelling potentials is investigated. The torsional ring shear tests of Denver expansive soil with high swelling potential and Jingmen expansive ...
ZHOU Baochun 1, WANG Jiangwei 1, SHAN Lixia 1, LI Ying 1, LANG Mengting 1, KONG Lingwei 2
doaj   +1 more source

Uncertainty in the determination of soil hydraulic parameters and its influence on the performance of two hydrological models of different complexity [PDF]

open access: yes, 2009
Data of soil hydraulic properties forms often a limiting factor in unsaturated zone modelling, especially at the larger scales. Investigations for the hydraulic characterization of soils are time-consuming and costly, and the accuracy of the results ...
Facchi, A.   +17 more
core   +2 more sources

Biomass DNA: An Emerging Building Block for Advanced Materials

open access: yesAdvanced Materials, EarlyView.
Biomass DNA is rapidly emerging from its traditional role as a genetic blueprint to serve as a versatile abundant, highly programmable polymeric building block. This review highlights the transformation of macroscopic bulk biomass DNA into next generation of functional materials, spanning from dynamic hydrogels, sustainable bioplastics, and high ...
Yuwei Hu, Itamar Willner, Li Niu
wiley   +1 more source

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