Results 41 to 50 of about 1,297,828 (120)

Experimental and Simulation Study of Low-Velocity Impact on Glass Fiber Composite Laminates with Reinforcing Shape Memory Alloys at Different Layer Positions

Applied Sciences, 2018
The effects of shape memory alloy (SMA) wires on the damage behavior of glass fibers/epoxy resin composite laminates for the case of low-velocity impact are investigated experimentally and numerically.
Min Sun, Mengzhou Chang, Zhenqing Wang, Hao Li, Xiaokun Sun   +4 more
doaj   +1 more source

Pore fracture structure evolution and damage failure mechanism of hot dry rock induced by temperature impact effect

Meitan xuebao
The geothermal resource originating from the hot dry rock is a form of clean and renewable energy, which has the advantages of stable, efficient, and permanent.
Yong SUN, Cheng ZHAI, Yuzhou CONG, Yangfeng ZHENG, Wei TANG, Shuai WANG, Yongshuai LAI, Yu WANG, Aikun CHEN   +8 more
doaj   +1 more source

Acoustic Emission and Digital Image Correlation-Based Study for Early Damage Identification in Sandwich Structures

Applied Sciences
Understanding the deterioration and predominant damage mechanisms of structures is highly relevant, especially for safety-critical components. Non-Destructive Testing (NDT) plays a crucial role in assessing and monitoring their integrity by evaluating ...
Aitor García de la Yedra, Igor Erro, Javier Vivas, Oier Zubiri, Xabier Zurutuza, Ryan Sommerhuber, Matthias Kettner   +6 more
doaj   +1 more source

Experimental Study on the Damage Mechanism of Reinforced Concrete Shear Walls Under Internal Explosion

Applied Sciences
Reinforced concrete shear wall structures (RCSWs) are commonly used as explosion-resistant chambers for storing hazardous chemical materials and housing high-pressure reaction equipment, serving to isolate blast waves and prevent chain reactions. In this
Hongkun Shang, Weiqi Guo, Youhao Li, Wenqiang Pang, Hongxu Liu   +4 more
doaj   +1 more source

Research progress on intestinal mucosal barrier function， injury mechanism and nutritional regulation of fish

Siliao yanjiu, 2023
The intestine is an important organ for nutrient absorption and digestion of the body, and the intestinal mucosal barrier also plays an indispensable role.
LI Xu-nan, CHEN Xiu-mei, PENG Si-bo, LIN Yun-jie, JIN Xiao-yan, SUN Jia-xin, WANG Gui-qin   +6 more
doaj  

Simulation experiment on the structural evolution and damage-deterioration mechanism of boundary coal pillars under immersion in abandoned mines

Meitan xuebao
In coal mine production, water-proof coal pillars are reserved to prevent water hazards from old goaf areas. However, under long-term pressurized immersion of aggressive mine water accumulated in abandoned goaf areas, both macroscopic and mesoscopic ...
Zhimin XU, Shijie XIONG, Huiqing YUAN, Yajun SUN, Yuhang HAN, Tianci CHEN, Weining LU   +6 more
doaj   +1 more source

Damage and failure mechanism of pre-static loaded rock under cyclic impact

Meitan xuebao
To study the damage and failure mechanism of rocks under the coupling effect of high ground stress static load and cyclic impact disturbance generated by mining and excavation, the multi-strain rate dynamic static superposition rock mechanics test system
Hanpeng WANG, Wei WANG, Bing ZHANG, Tinglin QIU, Fubin HOU   +4 more
doaj   +1 more source

Dynamic responses and damage mechanisms of low-rise reinforced concrete frame structures subjected to rockfall impacts

Journal of Asian Architecture and Building Engineering
Combined with the validations of the nonlinear material models, this study addresses the nonlinear dynamic response, damage mechanisms and failure modes of reinforced concrete frame structures under rockfall impacts, utilizing explicit dynamic analysis ...
Tao Tian, Wengao Lu, Haoran Wang
doaj   +1 more source

Damage mechanism and protection measures for Yanchang shale Chang 7 reservoir, China

Frontiers in Earth Science
The Yanchang shale is a key resource in the Ordos Basin of Shaanxi, China. To optimize its extraction and production, it is crucial to understand formation damage mechanisms and implement effective solutions.
Penghao Lin
doaj   +1 more source

Numerical Simulation on Deformation and Damage Mechanism of Existing Underground Structures Induced by Adjacent Construction of Super-Large-Diameter Tunnels

Applied Sciences
The development of urban underground spaces has led to an increasing number of projects involving super-large-diameter shield tunnels, making research on their impact on existing structures particularly significant.
Zhiyuan Zhai, Kaihang Han
doaj   +1 more source