Fatigue behavior and prediction model of self-compacting concrete under constant amplitude load and incremental amplitude load

Li, Feng; Chen, Xudong; Zhang, Jinhua; Yuan, Jiayi; Dong, Wen

doi:10.1016/j.ijfatigue.2020.106107

Cited by 9 publications

(1 citation statement)

References 28 publications

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“…The addition of supplementary cementitious materials (SCMs) in CC has been found to compensate for the loss in the flexural fatigue performance of CC containing RCA to a considerable extent. 48,49 The flexural fatigue performance of SCC made with NA has also been examined by the various investigators [50][51][52][53][54][55] and have proposed various equations for determining the fatigue strength of SCC containing NA. A comparative analysis between the fatigue lives of CC and SCC has exposed better fatigue life of SCC compared to CC.…”

Section: Introductionmentioning

confidence: 99%

Fatigue lives of self compacting concrete containing recycled concrete aggregates and blended cements

Saini

Singh

2022

Structural Concrete

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An effort has been made to enhance the flexural fatigue lives of self compacting concrete (SCC) in which half of the natural aggregates (NA) were substituted with recycled concrete aggregates (RCA) by means of blended cements. Blended SCC mixes containing either silica fume (SF) or metakaolin (MK) along with cement, and fly ash (FA) was also adopted. Fatigue lives have been evaluated as mean value, design value life and theoretical value. The Weibull distribution parameters were utilized for the valuation of mean and design values of fatigue lives for different considered mixes. It has been observed that adding RCA in SCC causes degradation in the fatigue lives, which can be enhanced by adopting the blended mixture comprising of SF or MK, cement and FA. Both SF and MK established a promising result in improving fatigue lives. Still, the blend of MK in SCC contributed most effectively in enhancing the fatigue life of SCC comprising RCA.

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