Results 21 to 30 of about 52,911 (159)

Correlation between microscopic parameters and dynamic elastic modulus of loess

open access: yesYantu gongcheng xuebao, 2019
The silty soil and silty clay samples of 2~12 m-deep soil layer of the Minxian Seismic Station and the Qingyang Loess Plateau are studied by the dynamic triaxial and scanning electron microscopy experiments, and the dynamic elastic modulus and ...
AN Liang 1, DENG Jin 1,2,3, GUO Peng 4, ZHANG Yang-peng 5, ZHENG Fang 1
doaj   +1 more source

Dynamic Response Law of Granite and Its Constitutive Model with Cyclic Loading [PDF]

open access: yesZhengzhou Daxue xuebao. Gongxue ban
In this paper, the true triaxial testing machine was used to conduct experimental research on granite specimens with size of 100 mm×100 mm×100 mm with cyclic loading, and to explore the dynamic elastic modulus and dynamic damping ratio of granite under ...
DING Xiaobin, ZHAO Junxing, DONG Yaojun
doaj   +1 more source

Numerical Simulation of Dynamic Deformation Characteristics of Rockfill Materials Considering Particle Crushing

open access: yes工程科学与技术, 2021
The strength and deformation characteristics of rockfill materials were influenced by particle breakage. However, most of the studies on particle breakage were under static loading conditions. To investigate the effect of particle crushing on the dynamic
Xiaoquan SHAO   +2 more
doaj  

Back analysis of dynamic parameters of high earth-rock dam materials under weak earthquakes

open access: yesYantu gongcheng xuebao, 2020
In the case of weak earthquakes, a back analysis model considering interaction and radiation damping effects is proposed for dynamic parameters of earth-rock dams.
WANG Mao-hua 1, 2, CHI Shi-chun 1, 2, XIANG Biao 3, ZHOU Xiong-xiong 1, 2
doaj   +1 more source

Dynamic Behavior and Constitutive Relationship of Mudstone Slip Zone of Landslide with Weak Interlayer

open access: yesShock and Vibration, 2021
Sliding zone dynamics in the Qinling-Daba mountain area under different dynamic parameters have not been studied extensively. In this study, we investigated the dynamic behavior of the sliding zones of a high-steep rock landslide in the Qinling-Daba ...
Jingjing Zhou   +4 more
doaj   +1 more source

Creep and Hardening Characteristics of Anthracite under Graded Static–Dynamic Coupled Loading

open access: yesApplied Sciences, 2023
Remaining coal pillars in remining areas exhibit clear creep characteristics, and dynamic pressure accelerates their instability and failure. The creep and hardening characteristics of coal under dynamic pressure are of great engineering significance for
Shaofei Yue   +5 more
doaj   +1 more source

A Thorough Investigation of the Dynamic Properties of Granite under Cyclic Loading

open access: yesApplied Sciences, 2023
We propose a novel inverse analysis method that utilizes shockwaves to detect the operational condition of tested rock. To achieve this back analysis, an in-depth investigation of the dynamic properties of granite specimens was conducted.
Xiaobin Ding   +3 more
doaj   +1 more source

Molecular rotor dynamics influenced by the elastic modulus of polyethylene nanocomposites [PDF]

open access: yesThe Journal of Chemical Physics, 2009
We observed that the excited-state twisting motion of 3,3′-diethyloxacarbocyanine in polymer nanocomposites (PNCs) depends strongly on the elastic modulus of medium. PNCs consist of low density polyethylene dispersed with surface-functionalized nanodiamonds with various alkyl groups.
Ah-Young, Jee   +2 more
openaire   +2 more sources

Undrained Dynamic Behavior of Reinforced Subgrade under Long-Term Cyclic Loading

open access: yesAdvances in Materials Science and Engineering, 2018
To study the dynamic behavior of reinforced subgrade, a series of undrained cyclic triaxial tests of reinforced soil (the specimen a height of 50 cm and a diameter of 20 cm) were performed in this paper.
Min Geng, Debin Wang, Peiyong Li
doaj   +1 more source

Prediction of porosity of pervious concrete based on its dynamic elastic modulus

open access: yesResults in Materials, 2021
In this research, we put forward a simple physical model of pervious concrete (PC) consisting of pore, aggregate and cement paste to evaluate theoretically the elastic modulus–porosity relationship.
Ridengaoqier E, Shigemitsu Hatanaka
doaj   +1 more source

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