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Abstract:
Straw ash concrete is an emerging construction material using an agricultural by-product material such as straw ash substitute for cement. This paper investigates the compression strength, spitting tensile strength, bond strength and corrosion behavior of rebar embedded in straw ash concrete. The research issues mainly concern the dosages of straw ash, the diameter of rebars, and the strength grades of concrete, in which 144 concrete specimens, 108 pull-out specimens and 30 corroded specimens are studied. The results indicate that the bond strength of rebars will be reduced by the increase of the dosage of straw ash and will be intensive along with the decrease of the diameter of rebar. Comparisons of the results obtained from the corrosion tests show that straw ash concrete has higher corrosion resistance than that of the ordinary concrete. This suggests that the straw ash is an effective mineral admixture in concrete when the replacement ratio is 10% (C20, C30). (C) 2019 Elsevier Ltd. All rights reserved.
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Source :
CONSTRUCTION AND BUILDING MATERIALS
ISSN: 0950-0618
Year: 2019
Volume: 205
Page: 21-30
7 . 4 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:211
JCR Journal Grade:1
Cited Count:
WoS CC Cited Count: 22
SCOPUS Cited Count: 24
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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