| Predicting Relationship between Mechanical Properties
of Low Calcium Fly Ash-Based Geopolymer Concrete |
Bharat Bhushan Jindal,1, 2, * Parveen,3 Dhirendra Singhal3 and Ajay Goyal4
Pages : 258-265
DOI : 10.1080/0371750X.2017.1412837 |
| Abstract |
| This paper presents the results of the experimental study carried out on geopolymer
concrete with the inclusion of alccofine. Efforts have been made to achieve the required
compressive strength at ambient temperature. In the present investigation alccofine,
richer in silica and finer than fly ash, has been added up to 10% of fly ash content. In
addition, geopolymer concrete with different fly ash contents has been produced.
The results are encouraging, as required compressive strength even 40 MPa could
be achieved at ambient temperature. Compressive and tensile strength were increased
with increase in fly ash and alccofine content. It was observed that better
geopolymerization occured in presence of alccofine, and strength continuously
increased significantly up to 90%. Attempts were further made to relate the
compressive strength with splitting tensile and flexural strengths in presence of
alccofine. A relationship has been suggested which holds good for geopolymer
concrete with and without alccofine at ambiently, and heat cured specimens.
[Keywords: Geopolymer, Fly ash, Alccofine, Splitting tensile strength, Compressive
strength] |
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