Shrinkage Properties of Self-Compacting Concrete with High Volumes of Class F Fly Ash

Nayak, Gopinath and Shetty, Kiran Kumar and Kiran Kumara, S S and Karkera, Jnaneshwar and Khandagale, Vivek (2015) Shrinkage Properties of Self-Compacting Concrete with High Volumes of Class F Fly Ash. International Journal of Earth Sciences and Engineering, 8 (2). pp. 173-177. ISSN 0974-5904

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Self compacting concrete (SCC) is becoming more popular in the present days due to its ability of passing through congested reinforcement without the aid of external vibration effort. To possess self-passing ability fresh concrete should have good cohesiveness. Use of large quantity of fine materials can impart cohesiveness to the SCC. Fly ash (FA) is one of such fine materials which can be used in SCC. In this study effect of class F fly ash on different properties of SCC was studied. Ordinary Portland cement (OPC) was replaced with (30-70) % FA in SCC. Water to binder ratio was maintained 0.325 for all SCC mixes. Slump test, flow ability and filling ability tests were conducted on fresh concrete. Hardened concrete properties such as compressive strength, drying shrinkage, split tensile strength and flexural strength were also studied. SCC mixes developed compressive strength ranging from 26 to 48 MPa at 28 days. Drying shrinkage strain was decreased with increase in FA content

Item Type: Article
Uncontrolled Keywords: Self compacting concrete, Fly ash, Drying shrinkage
Subjects: Engineering > MIT Manipal > Civil Engineering
Depositing User: MIT Library
Date Deposited: 18 Sep 2015 12:13
Last Modified: 18 Sep 2015 12:13

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