Results 21 to 30 of about 306 (177)

Coupled hydro-mechanical behaviour of a Kaolin Clay in the context of the geothermal use of geotechnical structures [PDF]

open access: yesE3S Web of Conferences, 2023
An experimental study regarding the hydro-mechanical behaviour of a Malaysian Kaolin is presented. Strain rate-controlled oedometer tests have been conducted on compacted samples. The influence of initial water content on the pore-size distribution (PSD)
Kayser Timon   +3 more
doaj   +1 more source

Assessment of the soil compaction of two ultisols caused by logging operations Avaliação da compactação do solo de dois argissolos causada pelas operações de colheita florestal

open access: yesRevista Brasileira de Ciência do Solo, 2008
The impact of wood loads on bulk density and preconsolidation pressure and of harvester and forwarder traffic on rut depth, bulk density and preconsolidation pressure of two Ultisols were examined in this study.
Moacir de Souza Dias Junior   +3 more
doaj   +1 more source

Physical properties of a Brazilian sandy loam soil after the traffic of a military vehicle M113 BR [PDF]

open access: yesRevista Brasileira de Ciência do Solo, 2020
Soil physical properties can be changed after vehicle traffic, especially by heavy military tracked vehicles. The Santa Maria military Instruction Field, where the experiment was carried out, is currently the most used area for armored tracked vehicles ...
Beatriz Wardzinski Barbosa   +6 more
doaj   +1 more source

Spatial patterns of preconsolidation pressure and soil moisture along transects in two directions under coffee

open access: yesRevista Brasileira de Ciência do Solo, 2011
Information on the spatial structure of soil physical and structural properties is needed to evaluate the soil quality. The purpose of this study was to investigate the spatial behavior of preconsolidation pressure and soil moisture in six transects ...
Ivoney Gontijo   +4 more
doaj   +1 more source

MODELING OF SOIL LOAD-BEARING CAPACITY AS A FUNCTION OF SOIL MECHANICAL RESISTANCE TO PENETRATION

open access: yesRevista Brasileira de Ciência do Solo, 2015
Estimation of soil load-bearing capacity from mathematical models that relate preconsolidation pressure (σp) to mechanical resistance to penetration (PR) and gravimetric soil water content (U) is important for defining strategies to prevent compaction of
Cícero Ortigara   +5 more
doaj   +1 more source

Reliability of Methods for Determination of Stress History Parameters in Soils

open access: yesStudia Geotechnica et Mechanica, 2023
Stress history acquired by any cohesive soil influences, to a large extent, three groups of fundamental properties indispensable in geotechnical design i.e. state of soil, shear strength, and stiffness characteristics. The basic stress history parameter (
Wdowska Małgorzata   +1 more
doaj   +1 more source

Structural changes in latosols of the cerrado region: II - soil compressive behavior and modeling of additional compaction

open access: yesRevista Brasileira de Ciência do Solo, 2011
Currently in Brazil, as in other parts of the world, the concern is great with the increase of degraded agricultural soil, which is mostly related to the occurrence of soil compaction.
Eduardo da Costa Severiano   +5 more
doaj   +1 more source

Vacuum Preconsolidation Settlement Characteristics and Microstructural Evolution of Marine Dredger-Filled Silt

open access: yesAdvances in Civil Engineering, 2021
The method of vacuum preloading for foundation treatments is used in the construction of the Fangchenggang coastal area in Guangxi province, China. The thick marine dredger-filled silt has a considerable impact on the treatment effort. In this study, the
Keping Chen   +5 more
doaj   +1 more source

Nonwoven rCF/PA6 Thermoplastic Composites: Hybrid Commingled Fibers vs. Powder Impregnation—Effects on Microstructure and Mechanical Properties

open access: yesPolymer Composites, EarlyView.
Comparison of powder impregnation and hybrid commingled non‐wovens for PA6/rCF nonwoven composites. The two‐step powder route gives lower voids and higher properties, while the single‐step hybrid route is limited by precursor inhomogeneity and high void content.
Gaia Francesca Lupia   +4 more
wiley   +1 more source

Consolidation Characteristics of Artificially Structured Kaolin-Bentonite Mixtures with Different Pore Fluids

open access: yesAdvances in Civil Engineering, 2020
The consolidation characteristics of kaolin, bentonite, their mixtures, and natural clays have been widely evaluated. However, the effect of pore fluid on the consolidation characteristics of artificially structured kaolin-bentonite mixtures should be ...
Nguyen Thanh Duong, Duong Van Hao
doaj   +1 more source

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