Results 181 to 190 of about 98,659 (257)

Evolution of Pore Structure and Meso-Damage Simulation of Aeolian Sand Self-Compacting Concrete Under Freeze-Thaw Cycles. [PDF]

Materials (Basel)
Tong X, Liu Q, Han F, Liu H, Huang G.
europepmc   +1 more source

Review and prospects of shear test of bolted rock joints

Deep Underground Science and Engineering, EarlyView.
The laboratory shear test equipment, test method, and numerical simulation of bolted rock joints were summarized. The shortcomings and limitations of the current research were analyzed, and the research prospects were proposed. Abstract Rock bolting is a critical approach in geotechnical engineering for supporting weak rocks.
Shulin Ren, Fan Yang, Manchao He, Yong Yuan, Zhigang Tao   +4 more
wiley   +1 more source

Research on the anti-pull performance of a novel small-diameter steel tube-stud grouting connector. [PDF]

PLoS One
Zhou MS, Bao EH, Luo CJ, Wang JF, Wu YS, Xiao CJ.   +5 more
europepmc   +1 more source

Modeling and experimental validation of bolt–grout bond–slip behavior for deep underground excavation support

Deep Underground Science and Engineering, EarlyView.
A novel shear‐lag model, validated by pull‐out tests, incorporates a constant bond stress stage to predict the complete load–displacement response of grouted rock bolts, providing a new tool for optimizing anchorage length and material toughness in deep underground engineering. Abstract The stability of rock masses in deep underground excavations, such
Wenhui Bian, Xiaohui He, Kexue Wang, Yufei Wu, Guoxin Wang, Shaochen Zhang, Jun Yang   +6 more
wiley   +1 more source

Fiber-Reinforced One-Part Geopolymer Mortars Incorporating Red Mud, Ceramic Powder, and MgO: Performance Under Different Curing Regimes and Curing-Based Environmental Assessment. [PDF]

Polymers (Basel)
Bdairi MDA, Canpolat O, Uysal M, Özen ÖC, Kuranlı ÖF, Kebir AZ.   +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

Microbially induced calcite precipitation by a novel alkaliphilic Bacillus albus strain for sustainable self-healing bio-mortar with enhanced mechanical performance and durability. [PDF]

Sci Rep
Ibrahim SM, Said D, Heikal M, Abdel-Monem MO, Dawwam GE.   +4 more
europepmc   +1 more source

High atmospheric pressure rescues plant growth under humidity stress: A model for climate‐resilient deep underground agriculture

Deep Underground Science and Engineering, EarlyView.
High atmospheric pressure (120 kPa) in deep underground counteracts humidity‐induced physiological stress in plants, stabilizing water balance and enhancing antioxidative defenses. This synergy boosts biomass despite elevated humidity, demonstrating sustainable deep underground agriculture potential under climate uncertainty.
Yuxin He, Linglu Xu, Xiao Tan, Wenhua Zhuang, Naiwen Li, Chao Liu, Bo Tan   +6 more
wiley   +1 more source

Numerical Simulation of Crack Propagation in Concrete with Prefabricated Array Fractures Based on the Discrete Element Method. [PDF]

Materials (Basel)
Mao H, Zhen J, Zhou Z, He Y, Zhu X, Zhang W, Yu S.   +6 more
europepmc   +1 more source

Carbon emission assessment of tunnel infrastructures: From construction to operation

Deep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long, Wout Broere, Xuehui Zhang, Tian Xia, Richard de Nijs   +4 more
wiley   +1 more source