Strain rate effect on representative volume element with penny-shaped crack under dynamic loading

1995 ◽  
Vol 23 (3) ◽  
pp. 209-217 ◽  
Author(s):  
Ze-Ping Wang ◽  
Feng-Lei Huang
Keyword(s):  
Strain Rate ◽  
Dynamic Loading ◽  
Representative Volume Element ◽  
Strain Rate Effect ◽  
Volume Element ◽  
Rate Effect ◽  
Representative Volume ◽  
Penny Shaped Crack ◽  
Shaped Crack

Strain rate effect on the tensile behaviour of textile-reinforced concrete under static and dynamic loading

2011 ◽  
Vol 528 (3) ◽  
pp. 1727-1734 ◽  
Author(s):  
Flávio de Andrade Silva ◽  
Marko Butler ◽  
Viktor Mechtcherine ◽  
Deju Zhu ◽  
Barzin Mobasher
Keyword(s):  
Reinforced Concrete ◽  
Strain Rate ◽  
Dynamic Loading ◽  
Strain Rate Effect ◽  
Rate Effect ◽  
Tensile Behaviour ◽  
Textile Reinforced Concrete ◽  
Static And Dynamic Loading

scholarly journals Dynamic Fracture Process and Strain Rate Effect of a Porous SiC Ceramic

Proceedings ◽  
2018 ◽  
Vol 2 (8) ◽  
pp. 509 ◽  
Author(s):  
Yanpei Wang ◽  
Ding Zhou ◽  
Huifang Liu ◽  
Sheikh Muhamamd Zakir ◽  
Yulong Li
Keyword(s):  
Compressive Strength ◽  
Strain Rate ◽  
Dynamic Loading ◽  
Dynamic Fracture ◽  
High Speed ◽  
Fracture Process ◽  
Strain Rate Effect ◽  
Rate Effect ◽  
Sic Ceramic ◽  
Porous Sic

In this paper, dynamic fracture process and strain rate effect of a porous SiC ceramic were investigated. The failure process under dynamic loading conditions was monitored by a high-speed camera. Digital image correlation (DIC) method was further utilized to calculate the surface strain field. The high-speed images show that crack initiates in the center of the specimen and then propagates to the entire specimen under dynamic loading. In addition, DIC result showed that cracks occur on the surface of the specimen formed a band. And the band finally caused the collapse of the specimen. The test results showed that compressive strength of the porous SiC ceramic is rate sensitive. Under quasi-static conditions, the compressive strength is about 120 MPa, while in dynamic conditions strength increased to 247 MPa. Energy absorption during the deformation process is much larger under dynamic loading.

Stochastic Damage Constitutive Model for Concrete Considering Strain Rate Effect

2008 ◽  
Vol 400-402 ◽  
pp. 251-256
Author(s):  
Xiao Dan Ren ◽  
Jie Li
Keyword(s):  
Constitutive Model ◽  
Strain Rate ◽  
Dynamic Loading ◽  
Strain Rate Effect ◽  
Rate Effect ◽  
Constitutive Relationship ◽  
Dynamic Increase Factor ◽  
Damage Constitutive Model ◽  
Dynamic Stochastic ◽  
Stochastic Damage

The present work concentrates on the model of concrete under dynamic loading. The stochastic damage constitutive model for concrete under static loading developed by the authors’ research group is firstly reviewed in this paper. The strain rate effect is considered as viscous effect so that the dynamic generalization of the static model could be developed by analogy with viscous-plastic theory. Combined with static damage expressions, the frame work of dynamic stochastic damage constitutive relationship for concrete is established. The analytical expression of dynamic increase factor (DIF) of peak stresses under tension and compression are derived according to the present dynamic damage model. Several simulation results of concrete under static as well as dynamic loading are provided to demonstrate its capacity of reproducing the salient features experimentally observed.

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