The Effect of Dosage and Modulus of Activator on the Strength of Alkali Activated Slag and Fly Ash Based on Geopolymer Mortar

Zin Mar Soe; Nyein Nyein Thant

Title:
The Effect of Dosage and Modulus of Activator on the Strength of Alkali Activated Slag and Fly Ash Based on Geopolymer Mortar

Authors:
Nyein Nyein Thant | Zin Mar Soe

Cite This Article :

Nyein Nyein Thant | Zin Mar Soe "The Effect of Dosage and Modulus of Activator on the Strength of Alkali Activated Slag and Fly Ash Based on Geopolymer Mortar" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5, August 2019, pp.2220-2224, URL: https://www.ijtsrd.com/papers/ijtsrd27997.pdf

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Abstract :
In this study, the effect of dosage and modulus of activator on the strength of alkali activated slag and fly ash based geopolymer mortar is studied. Fly ash from Tingyi is used. Blast furnace slag from No (1) Iron and Steel Industry, Pyin Oo Lwin is used. NaOH and Na2SiO3 are used as alkaline activator. Firstly, the physical properties of slag, fly ash and sand are tested. Alkali activated slag mortar is mixed with various proportion of activator. And the tests are made eight times with different activator dosage for slag mortar. Then the test is made once again without activator. Water - (slag + cement) ratio of 0.35 is used for this test. Fly ash based geopolymer mortar is mixed various proportion of activator. And the tests are made eight times with different activator dosage for fly ash based geopolymer mortar. Then the test is made once again without activator. Water - fly ash ratio of 0.33 is used for this test. For both testing, samples are cured at 85°C for 24 hours and left at room temperature until the day of testing. The samples are tested for 3, 7, 14 and 28 days compressive strength. Then the compressive strength test results obtained from various dosages of activator and without activator are compared.

Keywords :
geopolymer mortar, Alkali activated slag mortar, compressive strength

Publication Details:

Unique Identification Number : IJTSRD27997

Published In : Volume-3 | Issue-5, August 2019

Page Number(s) : 2220-2224

Publisher Name : IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470

Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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