Results 1 to 10 of about 19,178,039 (347)

Experimental study on dynamic characteristics and energy dissipation of weakly cemented rock-like materials

Frontiers in Materials
The structural stability of coal seam roof rock mass under dynamic load in engineering practice is directly influenced by the dynamic characteristics of weakly consolidated coal measures rock.
Guodong Shi, Duoxi Yao, Jiehao Wu, Jiehao Wu, Fangyi Meng   +4 more
doaj   +1 more source

Study on the Dynamic Mechanical Properties of Polypropylene Fiber-Reinforced Concrete Based on a 3D Microscopic Model

Buildings
Polypropylene (PP) fibers, known for their high fracture strength, low density, and cost-effectiveness, can significantly enhance the impact resistance of concrete, making the material suitable for specialized engineering applications.
Shiliang Liu, Zhimin Du, Yanan Wang, Jiawei Wang, Zhibo Dong   +4 more
doaj   +1 more source

Study on dynamic splitting and evolution mechanism of sandstone under freeze-thaw cycle

矿业科学学报
This study attempts to investigate the dynamic tensile mechanical properties of sandstone under freeze-thaw cycle by using the split Hopkinson pressure bar (SHPB)test system to perform dynamic splitting tests on sandstone samples with freeze-thaw cycle 0,
YANG Guoliang, SHANG Zhuo, ZOU Zehua, BI Jingjiu, DONG Zhiwen   +4 more
doaj   +1 more source

Research on the Rate–Wet Coupling Mechanism of Concrete Compressive Strength

Buildings
To investigate the strength evolution of concrete structures operating in long-term service in humid environments while facing threats such as earthquakes, explosions, and impacts, this study utilized a Hopkinson pressure bar (SHPB) and an MTS testing ...
Chundi Jiang, Xueting Jiang, Zichen Zhang, Ping Li, Xianzhu Wang   +4 more
doaj   +1 more source

Fracture Initiation in Notched Specimens Subjected to Compression: Strain Rate Effect. [PDF]

Materials (Basel), 2020
Bura E, Seweryn A.
europepmc   +1 more source

Strain Rate Effect on the Ductile Brittle Transition in Grinding Hot Pressed SiC Ceramics. [PDF]

Micromachines (Basel), 2020
Huang P, Zhang J.
europepmc   +1 more source

Molecular Dynamics as a Means to Investigate Grain Size and Strain Rate Effect on Plastic Deformation of 316 L Nanocrystalline Stainless-Steel. [PDF]

Materials (Basel), 2020
Husain A, La P, Hongzheng Y, Jie S.
europepmc   +1 more source

Dynamic deformation and disaster mechanical mechanism of coal under dynamic true triaxial synchronous impact loading

Meitan xuebao
During the reuse of underground space in mine, coal masses are subjected to multi-axial and multi-directional dynamic disturbances induced by multiple sources, such as instantaneous strata fracturing, blasting, and earthquakes, thereby increasing the ...
Shiwei ZHANG, Heping XIE, Jianbo ZHU, Weiyue BAO, Jiaxin SUN, Tao ZHOU, Zhuo CEN, Chengcheng XIE   +7 more
doaj   +1 more source

Mesoscale Modeling of Dynamic Compressive Behavior and Damage Evolution in Rubberized Recycled Aggregate Concrete

Buildings
Rubberized recycled aggregate concrete (RRAC) offers a sustainable solution for recycling construction and tire waste and shows potential for impact-resistant infrastructure. However, its heterogeneous mesoscale structure complicates the understanding of
Xiaoqing Zhou, Lianrun Jiang, Hongpeng Zhang, Wenhao Lv   +3 more
doaj   +1 more source

Study on dynamic characteristics and energy dissipation of frozen rock with ice-containing structural plane

Meikuang Anquan
To study the dynamic characteristics and energy dissipation law of ice containing fractured rocks under low temperature (−10, −20 ℃) conditions, a split Hopkinson pressure bar (SHPB) was used to conduct uniaxial impact failure tests on low-temperature ...
Lei WANG, Zhiqin LI, Feifei MA, Pengwei LEI, Yuanpeng WANG, Shiguan CHEN, Chao YUAN   +6 more
doaj   +1 more source