Results 11 to 20 of about 447,422 (304)

Experimental study on effects of shape and content of fine particles on strength of calcareous mixed sand

open access: yesYantu gongcheng xuebao, 2023
In order to study the influences of different contents and shapes of fine particle on the mechanical properties of calcareous mixed sand, the angular quartz powder and round glass beads are used as the fine particle materials and mixed with the ...
LI Tao , ZHAO Hongyang , WENG Bohang , HUANG Xiaoji , ZHANG Zhongyu
doaj   +1 more source

Characterization of the Migration of Soil Particles in Lateritic Soils under the Effect of Rainfall

open access: yesApplied Sciences, 2023
Rainfall is the main cause of erosion damage in loose slope deposits. During rainfall infiltration, fine particles in the soil mass will move with water infiltration, thus changing the localized particle distribution of the soil mass, which, in turn ...
Dezhi Cao   +4 more
doaj   +1 more source

Multi-scale grading utilization based on the characteristics of recycled concrete aggregates: a review

open access: yesFrontiers in Materials, 2023
The physical and mechanical properties of recycled aggregates (RA) among different particle sizes are compared. Results demonstrate that adhesive mortar content is a significant factor in determining the properties of recycled aggregate concrete (RAC ...
Qi Feng   +4 more
doaj   +1 more source

Model test of debris flow source initiation mechanism in Suyu valley of Helan Mountain

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2022
In this paper, through model test, the test of the debris flow phenomenon incipient and run-out mode and accumulation characteristics were observed and studied the helan mountain Suyu valley debris flow affected by the gully bed slope, soil water content,
Yanxiang HU   +5 more
doaj   +1 more source

Experimental investigation on evolution process of suffusion in gap-graded cohesionless soil

open access: yesYantu gongcheng xuebao, 2023
The suffusion involves selective erosion and gradual migration of fine particles through the voids of soil skeleton formed by coarse particles under seepage flow. As a result, redistribution of soil skeleton stress and deformation of soil may be induced.
ZHANG Liangliang 1, 2, DENG Gang 1, 3, CHEN Rui 1, 2, ZHANG Yinqi 3, LUO Zhiyuan 1, 2
doaj   +1 more source

Mechanical properties of coarse-fine particle mixtures: a laboratory investigation of the effect of fine content

open access: yes, 2023
Abstract The impacts of fine content on the microstructure and mechanical behavior of five types of coarse-fine particle mixtures with different fine contents are examined based on laboratory tests. The samples used in these tests all had a void ratio of 0.6.
Liucheng Chang, Ya Wang, Hongyu Wang
openaire   +1 more source

Two- and Three-particle States in a Nonrelativistic Four-fermion Model in the Fine-tuning Renormalization Scheme. Goldstone mode "against" extension theory [PDF]

open access: yes, 1999
In a nonrelativistic contact four-fermion model we show that simple regularisation prescriptions together with a definite fine-tuning of the cut-off-parameter dependence of ``bare'' quantities give the exact solutions for the two-particle sector and ...
Korenblit, S. E.   +4 more
core   +2 more sources

The Little Higgs from a Simple Group [PDF]

open access: yes, 2003
We present a model of electroweak symmetry breaking in which the Higgs boson is a pseudo-Nambu-Goldstone boson. By embedding the standard model SU(2) x U(1) into an SU(4) x U(1) gauge group, one-loop quadratic divergences to the Higgs mass from gauge and
A. Nelson   +24 more
core   +2 more sources

Numerical Simulation of Non-Homogeneous Viscous Debris-Flows Based on the Smoothed Particle Hydrodynamics (SPH) Method [PDF]

open access: yes, 2019
Non-homogeneous viscous debris flows are characterized by high density, impact force and destructiveness, and the complexity of the materials they are made of.
Anping Shu   +12 more
core   +2 more sources

Study Some Physical Properties For Soil In Tuz khormatu North Of Iraq

open access: yesTikrit Journal of Pure Science, 2023
In this research, a study of some physical properties for the soil of tuz khormatu have been achieved of evaluating these properties represented by physical properties for five locations with different depths.
Abdullah Fouad Ibrahim Al Bayaty   +1 more
doaj   +1 more source

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