Title : ( Mixed mode-I/II fatigue performance of Cement Emulsified Asphalt Mortar: Experimental and statistical analysis at intermediate temperature )
Authors: Shima Najjar , Abolfazl Mohamadzadeh Moghaddam , Ali Sahaf , M.R.M Aliha ,
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Abstract
This study has investigated fatigue life of Cement Emulsified Asphalt Mortar (CEAM) under mixed-mode I/II loadings at the intermediate temperature. For this investigation, SCB specimens of 16 randomized mixture de-signs with different cement contents (C), asphalt-to-cement ratios (A/C), and water-to-cement ratios (W/C) were prepared and subjected to the cyclic mixed tensile-shear loading with Me = 0, 0.5, 1.0 at three frequencies of 2, 4 and 8 Hz. The results were analyzed using the D-optimal response surface method and revealed that for all three loading modes, the fatigue life increased with increasing C and A/C. The CEAM also showed a longer fatigue life in the pure shear mode than in the pure tensile mode. The difference between the fatigue life of mode I and II was found to be increasing with the increase in cement content and loading frequency. Increasing the loading fre- quency increased the fatigue life of the mortar in all three modes.
Keywords
, Fatigue life Mixed, mode I/II loadings Cement emulsified asphalt mortar Response surface method Mix design Semi, circular bending
@article{paperid:1091102,
author = {Najjar, Shima and Mohamadzadeh Moghaddam, Abolfazl and Sahaf, Ali and M.R.M Aliha},
title = {Mixed mode-I/II fatigue performance of Cement Emulsified Asphalt Mortar: Experimental and statistical analysis at intermediate temperature},
journal = {Construction and Building Materials},
year = {2022},
volume = {350},
number = {4},
month = {October},
issn = {0950-0618},
pages = {128835--128835},
numpages = {0},
keywords = {Fatigue life
Mixed-mode I/II loadings
Cement emulsified asphalt mortar
Response surface method
Mix design
Semi-circular bending},
}
%0 Journal Article
%T Mixed mode-I/II fatigue performance of Cement Emulsified Asphalt Mortar: Experimental and statistical analysis at intermediate temperature
%A Najjar, Shima
%A Mohamadzadeh Moghaddam, Abolfazl
%A Sahaf, Ali
%A M.R.M Aliha
%J Construction and Building Materials
%@ 0950-0618
%D 2022
