Results 111 to 120 of about 15,569,548 (315)

Conventional triaxial loading and unloading test and PFC numerical simulation of rock with single fracture [PDF]

Archives of Civil Engineering
Take the metamorphic sandstone as the reference object, by making rock like samples with fractures, the conventional triaxial loading and unloading test and PFC numerical simulation of rock like sample with single fracture were conducted, and the effects
Yin Tang, Haijun Chen, Liangxiao Xiong, Zhongyuan Xu   +3 more
doaj   +1 more source

The Triaxial Test of Polypropylene Fiber Reinforced Fly Ash Soil. [PDF]

Materials (Basel), 2022
Li L, Zhang X, Xiao H, Zhang J, Chen N, Li W.   +5 more
europepmc   +1 more source

Dynamic response at the terminus of oblique intersecting joints subjected to stress waves

Deep Underground Science and Engineering, EarlyView.
This study derives the propagation equation for stress waves impinging upon nonlinear oblique intersecting joints. It analyzes the dynamic response at the terminus of nonlinear oblique intersecting joints subjected to stress waves. Abstract To investigate the dynamic response at the terminus of oblique intersecting joints subjected to stress waves, a ...
Gang Hu, Xiang Chen, Honglu Fei, Shijie Bao, Jian Guo   +4 more
wiley   +1 more source

Full‐scale Shaking Table Tests on a 10‐story Steel Moment‐resisting Frame Building with Buckling‐restrained Braces

Earthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT In February 2023, a comprehensive series of shaking table tests were conducted at the E‐Defense facility, the world's largest three‐dimensional earthquake simulator, on a full‐scale 10‐story steel moment‐resisting frame supplemented with BRBs.
Jun Fujiwara, Jialiang Jin, Jionghui Li, Tianhao Yan, Ryota Nishi, Akiko Kishida, Koichi Kajiwara, Takuya Nagae, Taichiro Okazaki, Tatsuya Asai   +9 more
wiley   +1 more source

Large dynamic triaxial test of tire scrap reinforced soil

Shuiwen dizhi gongcheng dizhi
With the continuous increase in train speed standards, the vibration amplitude between wheels and tracks intensifies, resulting in greater loads transmitted to the subgrade.
Lihua LI, Yachao SUN, Zhi YE, Xuanyu SHEN, Junchao YANG, Jinzhong WANG   +5 more
doaj   +1 more source

Research on Deformation Prediction of Small Interval Tunnel Based on Machine Learning and Numerical Simulation

Energy Science &Engineering, EarlyView.
This study leverages machine learning algorithms—specifically artificial neural networks (ANN) and genetic programming (GP)—to forecast and analyze variations in vault settlement measurements during excavation of small interval tunnel. A settlement prediction model was developed and validated through comparative analysis with regression to evaluate the
Wenjie Zhai, Jia Xue, Yongjie Fu, Beichen Yu, Yan Zhu, Man Yuan, Mingbo Chi, Zhentao Li   +7 more
wiley   +1 more source

Stress Redistribution Mechanisms and Subsidence Control of Fluidized Gangue Backfilling in Underground Coal Mining: Integrated Experimental and Numerical Investigation

Energy Science &Engineering, EarlyView.
Fluidized gangue backfilling controls mining subsidence through stress redistribution in composite backfill‐pillar systems, reducing surface settlement and stress concentrations. Multi‐scale experimental and numerical analysis provides quantitative design parameters for optimizing ground control in sustainable underground coal mining operations ...
Weilong Zhang, Jie Zhang, Yuanzhen Zhang, Wenjing Liu, Liang Li, Deyi Nan, Guannan Zhao, Chen Yang, Haiqing Bian, Hua Shao, Xiao Zuo, Changtai Zhou   +11 more
wiley   +1 more source

The Three-Dimensional Shapes of Galaxy Clusters

, 2012
While clusters of galaxies are considered one of the most important cosmological probes, the standard spherical modelling of the dark matter and the intracluster medium is only a rough approximation.
Bartelmann, Matthias, Ettori, Stefano, Limousin, Marceau, Meneghetti, Massimo, Morandi, Andrea, Sereno, Mauro, Verdugo, Tomas   +6 more
core   +1 more source

Study on Deformation Law of Crossing Layer Drilling Superimposed Floor Roadway

Energy Science &Engineering, EarlyView.
Based on deformation law of crossing layer drilling superimposed floor roadway, low dip angle drilling is particularly susceptible to complications such as borehole blockage and collapse. ABSTRACT Floor extraction roadway crossing layer drilling is a pivotal strategy for gas control in areas prone to coal and gas outbursts.
Xiao Liu, Bo Li, Jiawei Xie, Xiaoming Ni, Shaoren Wei, Chengtao Yang, Yubo Zhang, Haixiao Lin, Wei Zhao, Tao Wang   +9 more
wiley   +1 more source

The Drained Strength of Bentonite Enhanced Sand [PDF]

, 1999
INTRODUCTION Barriers with a low hydraulic conductivity are used as part of waste containment systems to prevent groundwater contamination by liquids from the waste.
Cousens, T.W., Mollins, L.H., Stewart, D.I.   +2 more
core