Rate-Dependent Compressive Behavior of Concrete Confined with Large-Rupture-Strain (LRS) FRP

2021 ◽  
pp. 114199
Author(s):  
Zhi-Wei Yan ◽  
Yu-Lei Bai ◽  
Togay Ozbakkaloglu ◽  
Wan-Yang Gao ◽  
Jun-Jie Zeng
Keyword(s):  
Compressive Behavior ◽  
Rate Dependent ◽  
Rupture Strain

scholarly journals Rate-dependent compressive behavior of unidirectional carbon fiber composites

2004 ◽  
Vol 25 (4) ◽  
pp. 397-406 ◽  
Author(s):  
Amit G. Salvi ◽  
Anthony M. Waas ◽  
Ari Caliskan
Keyword(s):  
Carbon Fiber ◽  
Fiber Composites ◽  
Carbon Fiber Composites ◽  
Compressive Behavior ◽  
Rate Dependent

Rate-dependent compressive behavior of EPDM insulation: Experimental and constitutive analysis

2016 ◽  
Vol 96 ◽  
pp. 30-38 ◽  
Author(s):  
Jing Jiang ◽  
Jin-sheng Xu ◽  
Zhong-shui Zhang ◽  
Xiong Chen
Keyword(s):  
Compressive Behavior ◽  
Rate Dependent ◽  
Constitutive Analysis

scholarly journals Finite Element-Based Numerical Simulations to Evaluate the Influence of Wollastonite Microfibers on the Dynamic Compressive Behavior of Cementitious Composites

Materials ◽  
2021 ◽  
Vol 14 (16) ◽  
pp. 4435
Author(s):  
Gideon A. Lyngdoh ◽  
Sami Doner ◽  
Sumeru Nayak ◽  
Sumanta Das
Keyword(s):  
Compressive Strength ◽  
Numerical Simulations ◽  
Energy Absorption ◽  
Mechanical Performance ◽  
Absorption Capacity ◽  
Fiber Content ◽  
Compressive Behavior ◽  
Energy Absorption Capacity ◽  
Cement Replacement ◽  
Rate Dependent

This paper investigates the dynamic compressive behavior of wollastonite fiber-reinforced cementitious mortars using multiscale numerical simulations. The rate dependent behavior of the multiphase heterogeneous systems is captured in a multiscale framework that implements continuum damage towards effective property prediction. The influence of wollastonite fiber content (% by mass) as cement replacement on the dynamic compressive strength and energy absorption capacity is thereafter elucidated. An average compressive strength gain of 40% is obtained for mortars with 10% wollastonite fiber content as cement replacement, as compared to the control mortar at a strain rate of 200/s. The rate dependent constitutive responses enable the computation of energy absorption, which serves as a comparative measure for elucidating the material resistance to impact loads. Approximately a 45% increase in the dynamic energy absorption capacity is observed for the mixture containing 10% wollastonite fibers, as compared to the control case. Overall, the study establishes wollastonite fibers as a sustainable and dynamic performance-enhanced alternative for partial cement replacement. Moreover, the multiscale numerical simulation approach for performance prediction can provide an efficient means for the materials designers and engineers to optimize the size and dosage of wollastonite fibers for desired mechanical performance under dynamic loading conditions.

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