International Journal of Impact Engineering
IF
4.21
Papers
4,358
Papers 4,257
1 page of 426 pages (4,257 results)
Newest
#1Chong Chen (Curtin University)H-Index: 1
#2Xihong Zhang (Curtin University)H-Index: 19
Last. Jian Cui (TJU: Tianjin University)H-Index: 13
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Abstract null null Compared to ordinary Portland cement-based concrete (OPC), geopolymer concrete (GPC) is an environmental-friendly construction material because it is mixed by replacing Portland cement with industry wastes such as fly ash. Despite intensive researches in the last two decades, application of geopolymer concrete in construction is still rather limited. One of the reasons is the quasi-static and dynamic material properties of geopolymer concrete, which are different from those of...
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#1J.S. Cheng (USTC: University of Science and Technology of China)
#2H.M. Wen (USTC: University of Science and Technology of China)H-Index: 19
Abstract null null It has been experimentally observed that the failure mode of RC beams can change from bending to shear as impact velocity increases. In this note, the effect of impact velocity on the response and failure of a RC beam is studied numerically using a recently developed dynamic constitutive model for concrete. Furthermore, an analytical equation is proposed to define critical condition for the transition of failure modes in the RC beam subjected to impact loading. It transpires t...
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#1Z.P. Sun (NUS: National University of Singapore)H-Index: 1
#2Y.B. Guo (NUS: National University of Singapore)H-Index: 15
Last. V.P.W. Shim (NUS: National University of Singapore)H-Index: 38
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Abstract null null Lightweight polymeric lattices, which display good energy absorption characteristics during crushing, are increasingly employed in impact protection applications. Lattices based on an octet, rhombic dodecahedron (RD) and a novel hybrid structure (HS), were fabricated by Selective Laser Sintering (SLS), and their dynamic responses were investigated via a drop-weight tester. Their stress-strain responses and crushing patterns were compared with quasi-static responses obtained us...
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#1Haoxiang Chen (Beijing University of Civil Engineering and Architecture)
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Abstract null null The Split Hopkinson Pressure Bar (SHPB) is the common testing method used to investigate the high strain rates behavior of engineering materials. In this paper, a theoretical modified method for the determination of stress state in the passive confinement SHPB tests of granular materials is proposed to overcome the disadvantages in the previous works. To validate the modified method, the dynamical response of calcareous sand with two moisture contents, namely, 25% and 30%, wer...
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#1Ruben A.J. Weerts (TU/e: Eindhoven University of Technology)H-Index: 2
#2Olivier CousigneH-Index: 2
Last. Joris J. C. Remmers (TU/e: Eindhoven University of Technology)H-Index: 14
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Abstract null null Composite overwrapped pressure vessels are typically used to store gases such as hydrogen under high pressure. Internal damage due to an impact may reduce the strength of the vessel, through which the internal pressure at failure, the so-called burst pressure, may drop significantly. Advanced material models can be used to predict to what extend the burst pressure of a vessel decreases. However, current studies do not consider the complex mechanisms that cause a reduction of t...
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#1E. Giannaros (University of Patras)H-Index: 4
#2A. Kotzakolios (University of Patras)H-Index: 3
Last. Michele Meo (University of Bath)H-Index: 39
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Abstract null null The constant requirement of aerospace industry to enhance the structural efficiency has driven to the usage of high-performance composite materials, either monolithic or sandwich. However, aerospace composite structures are prone to damage due to high-velocity impact events such as bird strike, hail impact, etc. These impact events can result in extensive damage including structure perforation, which will eventually degrade its post-impact residual strength. Therefore, the ear...
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#1Haoyang Li (SEU: Southeast University)
#2Xiangzhen Kong (SEU: Southeast University)H-Index: 11
Last. Y. Peng (UO: University of Defence)H-Index: 9
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Abstract null null The dynamic behavior of dry sand subjected to intensively dynamic loads such as blasts and projectile penetration is a topic of current research for military protection engineering. The equation of state (EoS) plays a crucial rule under such high pressure and high strain-rate. However, experimental investigation on the EoS of dry sand with a comprehensive considerations of sand configuration, such as the particle shape, grain composition and porosity is a complex and expensive...
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#1Tianrui Li (NUST: Nanjing University of Science and Technology)
Last. Ning Zhang (NUST: Nanjing University of Science and Technology)
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Abstract null null Sandy soil is a common geotechnical material, which differs from sand because of its visco-plasticity. The effects of strain rate, moisture content, degree of compaction, and stress state on the dynamic mechanical properties of sandy soil were studied by using a split-Hopkinson pressure bar (SHPB). These four factors were determined by dimensional analysis. The relationship between the dimensionless compressive strength and the influencing factors was revealed by a second regr...
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#1Shujian Yao (CSU: Central South University)H-Index: 9
#2Yixian Ma (CSU: Central South University)
Last. Fangyun Lu (NUDT: National University of Defense Technology)H-Index: 18
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Abstract null null Scaled-down experiments are one of the main approaches to represent the dynamic response and damage characteristics of full-scale prototype. While, it is well known that structures subjected to dynamic loads do not follow the usual scaling laws due to the size effects and strain rate sensitivity. The present study proposes a new procedure to equivalent scale the dynamic response of steel box structures subjected to internal blast loading. The present equivalent scaling method ...
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#1Cheng XuH-Index: 2
#2Wensu ChenH-Index: 23
Last. Thong M. PhamH-Index: 24
view all 5 authors...
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