SIFAT FISIK DAN MEKANIK GEOPOLYMER FOAM CONCRETE DENGAN VARIASI RASIO Na2SiO3 DAN NaOH

GHIFARI, M. and Saloma, Saloma and Hanafiah, Hanafiah (2019) SIFAT FISIK DAN MEKANIK GEOPOLYMER FOAM CONCRETE DENGAN VARIASI RASIO Na2SiO3 DAN NaOH. Undergraduate thesis, Sriwijaya University.

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Abstract

Geopolymer foam concrete is an modification of geopolymer concrete and foam concrete. The geopolymer foam concrete component materials are generally fly ash, fine aggregate, alkali activator, water, and foaming agent. In this study, the foaming agent which use is synthetic surfactant type with a ratio of foaming agent and water ratio of 1:40, and the foam making process using the pre-foamed method with foam amount to 60 kg/m3. In this study, the activator solution consisted of a mixture of sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) with the ratio variations e.g. 1.5, 2.0, and 2.5. The objective of this study is to know the effects of Na2SiO3 and NaOH ratio variations to physical and mechanical properties on geopolymer foam concrete. The maximum result of slump flow test is 24,88 cm on mix design GFC-1,5 and the minimum result is 22,45 cm on mix design GFC-2,5. The maximum result of setting time test at the initial time is 1.387 minutes and the minimum result is 1.342 minutes, while the maximum result at final time is 1.672 minutes and the minimum is 1.612 minutes. The maximum result of the density test on the 28 days concrete age 1.530 kg /m3 on mix design GFC-2,5 and the minimum result is 1.420 kg/m3 on the mix design GFC-1,5 and the maximum result of compressive strength test on the 28 days concrete age is 18,52 MPa on mix design GFC-2,5.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Geopolymer foam concrete, fly ash, foaming agent, alkali activator
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA630-695 Structural engineering (General)
Divisions:	03-Faculty of Engineering > 22201-Civil Engineering (S1)
Depositing User:	Administrator Library
Date Deposited:	25 Jul 2019 07:48
Last Modified:	26 Aug 2019 01:59
URI:	http://repository.unsri.ac.id/id/eprint/700

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