Abstract
This paper presents an experimental and analytical research conducted to study the properties of mortar when treated Sidoarjo mud was added into the mix replacing partially the cement content. The replacements were done at 0, 5, 10, 15, and 20%. Compression, tensile, porosity and Ultrasonic Pulse Velocity (UPV) tests were conducted to evaluate the effect of Sidoarjo mud in mortar. Analyses on the mud were also conducted through X-ray diffraction (XRD), X-ray Fluorescence (XRF), and scanning electron microscope with an energy dispersive X-ray analysis system (SEM-EDX). The results showed that the mud could be used as a cementitious material with optimum ordinary Portland cement (OPC) replacement at 10%.
Highlights
Sidoarjo mud has become a major issue when it surfaced from the bowels of the earth and impacted to the environment and to the people at the vicinity
The aim of the study is to establish whether Sidoarjo mud known as hot mud from Jawa Timur, Indonesia, can be used as a supplementary cementitious material for concrete
It can be confirmed that treated Sidoarjo mud from Porong, Sidoarjo, Jawa Timur, Indonesia can be utilized as a cement replacement material with 10% replacement as the optimum value
Summary
Sidoarjo mud has become a major issue when it surfaced from the bowels of the earth and impacted to the environment and to the people at the vicinity. Since 29th May 2006 the mud flows out continuously and spreads over the surrounding area. It has covered more than 400 Ha of productive land and has completely immersed many villages. The efforts to explore the preliminary finding [2] of the Sidoarjo mud and its potential use in geopolymer concrete have been conducted [3]. By and large improvement of concrete durability [4] and strength are the criteria in focus by many researchers. A large amount of research has been carried out to study both the durability and strength of concrete to obtain high performance concrete
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