THE PROMISING POTENTIAL OF SIDOARJO HOT MUD AS ADDITIONAL MATERIAL FOR CONCRETE LINING PRODUCTION

Wulandari, Lies Kurniawati and Mundra, I Wayan and Wijayaningtyas, Maranatha (2022) THE PROMISING POTENTIAL OF SIDOARJO HOT MUD AS ADDITIONAL MATERIAL FOR CONCRETE LINING PRODUCTION. International Journal of GEOMATE, 23 (95). ISSN 2186-2990

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Abstract

The Lapindo hot mudinSidoarjo,Indonesia (Lusi)has caused a detrimental effect onthe environment and the community for more than 10 years. On the bright side, the waste mud contains a high amount of silica (SiO2)which makes it promising to be used as a concrete mix. This study teststhe use of Lusi as an additive material in concretelining production to reduce the use of sand. The standard of concrete lining considered is the national standard of Indonesia (SNI 03-4804-1998) for K250 concrete. Experiments were carried out using a mixture of Lusi 0%, 5%, 15%, and 25%of the weight. The results of the analysis of variance demonstrated anF-statisticsof 173.883 with a significance value of 0.000 (< 0.05). This means that the compressive strength between concrete samples based on each percentage of the Lusi mixture is significantly different. Furthermore, the regression analysis demonstrates a staggering R-square value of 0.9999,which shows that the addition of Lusi material greatlaffectsct the compressive strength of the concrete.The addition of Lusi material greatly affects the decrease in the compressive strength of the lining concrete. The average compressive strength of concrete based on theaddition of Lusi material of 0%, 5%, 15%, and 25% are347.15 kg/cm2, 297.85 kg/cm2, 209.68 kg/cm2, and 145.04 kg/cm2, respectively. Therefore, it is concluded that a 5% addition of Lusi material is the most recommended level of Lusi material. This finding can be considered a solutive idea for managingthe Lapindo mudflow disaster, which can also bringeconomic advantagein the production of the concrete lining by minimizing the use of sand.

Item Type:	Article
Uncontrolled Keywords:	Sidoarjo hot mud, Concrete compressive strength, Canal lining.
Subjects:	Engineering > Civil Engineering
Divisions:	Fakultas teknik Sipil dan Perencanaan > Teknik Sipil S1
Depositing User:	Mr Sayekti Aditya Endra
Date Deposited:	06 Sep 2022 04:44
Last Modified:	15 Nov 2022 04:22
URI:	http://eprints.itn.ac.id/id/eprint/8992

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