Results 101 to 110 of about 7,797 (174)

Dynamic compression measurements on selected granitic rocks using Split Hopkinson Pressure Bar test [PDF]

, 2007
The dynamic strength measurement on rocks has critical applications in areas ranging from blasting and fragmentation to design of underground structures.
Ranjan, Rajeev
core   +1 more source

Drop hammer flexural impact performance of concrete with different moisture states in severe cold environments

Case Studies in Construction Materials
In cold regions, concrete infrastructures are subject to prolonged subzero temperatures, which considerably change their mechanical properties owing to complex physical changes such as pore water freezing and matrix cold shrinkage. While existing studies
Yanlin Huo, Fengjuan Wang, Liguo Wang, Taotao Feng, Yuncheng Wang, Zhiyong Liu, Jinyang Jiang   +6 more
doaj   +1 more source

Dynamic mechanical properties of nanoparticle-stabilized foam concrete (NFC)

Case Studies in Construction Materials
Nanoparticle-stabilized foam concrete (NFC) is a lightweight and eco-friendly construction material that was recently developed by the authors. NFC can reduce cement usage by 15–40 % while maintaining similar strength as conventional foam concrete (FC ...
Zhixing Li, Wensu Chen, Guoxing Sun, Yanru Chen, Zhejian Li, Huawei Li, Hong Hao   +6 more
doaj   +1 more source

Effect of Maximum Aggregate Size on Dynamic Compressive Strength of Concrete [PDF]

, 2018
학위논문 (석사)-- 서울대학교 대학원 : 공과대학 건설환경공학부, 2018. 8. 조재열.Structures under extreme events whose return period is significantly greater than design life such as impacts, explosions, collision, earthquake, tsunami, etc. undergo high deformation rate.
김경민
core  

SHPB Experiment and MPM Simulation on Dynamic Properties of Unsaturated Clay Under Impact Loading

Applied Sciences
Accurate characterization of soil dynamic response is paramount for geotechnical and protective engineering. However, the impact properties of unsaturated cohesive soil have not been well characterized due to lack of sufficient research. For this purpose,
Yingkang Yao, Futian Zhao, Junjie Li, Jun Liu, Zheng Liu, Yue Wang, Ruihong Zhuang, Li Liu, Yingbo Zhao, Zequan Xu   +9 more
doaj   +1 more source

Dynamic splitting mechanical properties and strength prediction model of freeze–thawed water-saturated sandstone

Geomechanics and Geophysics for Geo-Energy and Geo-Resources
To evaluate the effects of freeze–thaw (F–T) cycling on the tensile performance and energy evolution of water-saturated sandstone, this study utilized slope rock specimens collected from a high-altitude open-pit mine in western China.
Ying Xu, Haotian Xie, Qiangqiang Zheng, Chengjie Li, Guang Yang   +4 more
doaj   +1 more source

Dynamic compression behaviour and fragmentation characteristics of sandstone with different water contents

Geomechanics and Geophysics for Geo-Energy and Geo-Resources
Dynamic compression properties and fragmentation characteristics of water-bearing rocks were crucial for the effective excavation of tunnels and mining engineering in groundwater environments.
Tong Guo, Yang Sang, Jianchun Li, Dapeng Wang   +3 more
doaj   +1 more source

Effect of Loading Rate and Fiber Content on the Dynamic Compression Behaviors of Steel–Polyethylene Hybrid Fiber Reinforced Engineered Cementitious Composites

International Journal of Concrete Structures and Materials
The incorporation of a single fiber into engineered cementitious composites (ECC) has relatively limited effects on improving their performance.
Liang Li, Miao Zong, Fengzeng Li, Jun Wu, Donghai Wang, Xiuli Du   +5 more
doaj   +1 more source

Study on the high-temperature static and dynamic constitutive model of silicon carbide-modified concrete. [PDF]

Sci Rep
Wang J, Chen Q, Huang H, Chen T, Ren B, Wang G, Liu Y, Bai E.   +7 more
europepmc   +1 more source

Mechanical Behavior and Failure Modes of Cemented Backfill Under Impact Loading. [PDF]

Materials (Basel)
Zhang X, Yang Z, Li X, Liu F, Hou D, Zuo T, Wang J.   +6 more
europepmc   +1 more source