Results 91 to 100 of about 7,797 (174)

Dynamic properties of CO2-cured foam concrete at different loading rates: Effect of the foam admixtures and addition of polypropylene fiber

Frontiers in Materials
This paper investigated the dynamic mechanical properties of CO2-cured foam concrete under varying conditions, focusing on the effects of foam admixture and fiber reinforcement.
Yunlin Liu, Yunlin Liu, Shangwei Huo, Jiali Fu, Tingbo Shi, Dong Guo   +5 more
doaj   +1 more source

Mechanical Response of HPFRCC in Tension and Compression at High Strain Rate and High Temperature

Engineering Transactions, 2014
The mechanical response of High Performance Fibre-Reinforced Cementitious Composite (HPFRCC) has been analyzed at high strain rates and high temperature.
E. CADONI, A. M. BRAGOV, A. CAVERZAN, M. DI PRISCO, A. KONSTANTINOV, A. LOMUNOV   +5 more
doaj   +1 more source

Dynamic compressive behaviour of recycled tyre steel fibre reinforced concrete [PDF]

, 2022
This paper presents a systematic experimental study on dynamic compressive behaviour of recycled tyre steel fibre (RTSF) reinforced concrete. The use of RTSF can not only enhance the mechanical properties and sustainability of cementitious materials but ...
Chen, M, Zhang, M, Si, H, Fan, X, Xuan, Y   +4 more
core  

Impact Dynamic Properties and Energy Evolution of Damaged Sandstone Based on Cyclic Loading Threshold

Shock and Vibration, 2020
Rocks in deep coal mines are usually in varying degrees of damage state before they are destabilized by impact loads such as rock bursts. For the problem of the mechanical properties and energy evolution of damaged rocks under impact loads, the authors ...
Qiangqiang Zheng, Hao Hu, Anying Yuan, Mengyao Li, Haibo Wang, Mengxiang Wang, Qi Zong, Shouyang Zhang   +7 more
doaj   +1 more source

Further investigation on the dynamic compressive strength enhancement of concrete-like materials based on split Hopkinson pressure bar tests. Part I: Experiments [PDF]

, 2009
Effects of the inertia-induced radial confinement on the dynamic increase factor (DIF) of a mortar specimen are investigated in split Hopkinson pressure bar (SHPB) tests.
Huang, F. L., Wu, H.J., Li, Q. M.; id_orcid, Huang, F.L., Wu, H. J., Li, Q.M., Zhang, M.   +6 more
core   +1 more source

Characteristics of dynamic mechanics and energy loss in reef limestone concrete during dry-wet carbonation periods

Frontiers in Materials
Coral reef limestone is a unique type of rock and soil body characterized by high porosity. Its dynamic mechanical properties under impact loads differ significantly from those of conventional land-sourced aggregate concrete.This study utilizes coral ...
Jian Li, Fei Li, Mingju Mao, Jinrui Zhang, Ran Fan   +4 more
doaj   +1 more source

Effect of basalt fiber content on the dynamic tensile properties of rock-filled concrete: Insights from split-hopkinson tensile bar and split-hopkinson pressure bar Brazilian testing

Results in Engineering
Rock-Filled Concrete (RFC) is gaining popularity in civil engineering due to its cost-effectiveness and sustainability. While RFC offers numerous advantages, there is limited knowledge available regarding its tensile strength and behavior under dynamic ...
Muhammad Ibrar Ihteshaam, Yixuan Jin, Feng Jin   +2 more
doaj   +1 more source

Unlocking the role of recycled polymer fibres on dynamic fracture characteristics of concrete after exposure to elevated temperatures [PDF]

This work explores the dynamic fracture characteristics of recycled tyre polymer (RTP) fibre reinforced concrete after exposure to 20, 105, 250, 400 and 600 °C.
Zhang, Mingzhong, Chen, Meng, Cui, Xiuwen, Zhang, Tong   +3 more
core  

Strain Rate Dependent Behavior and Modeling for Compression Response of Hybrid Fiber Reinforced Concrete

Latin American Journal of Solids and Structures
This paper investigates the stress-strain characteristics of Hybrid fiber reinforced concrete (HFRC) composites under dynamic compression using Split Hopkinson Pressure Bar (SHPB) for strain rates in the range of 25 to 125 s-1.
S.M. Ibrahim, Tarek H. Almusallam, Yousef A. Al-Salloum, Aref A. Abadel, Husain Abbas   +4 more
doaj   +1 more source

Comparative analysis of dynamic mechanical properties of steel fiber reinforced concrete under ambient temperature and after exposure to high temperatures

Case Studies in Construction Materials
The dynamic properties of concrete structures after being exposed to high temperatures play a crucial role in post-disaster repair and accident prevention measures.
Liang Li, Zichen Wang, Jun Wu, Xiuli Du, Hongwei Wang, Wenli Liu   +5 more
doaj   +1 more source