DURABILITY ASPECTS AND MECHANICAL PROPERTIES OF ECC CONTAINING NANO SILICA PARTICLES

In this study, the properties of Engineered Cementitious Composites (ECC) with the addition of Nano Silica is investigated when test on chloride ion penetration, mercury intrusion porosimetry (MIP), flexural strength (four point load bending) and compressive strength. Based on 20 different mix proportions with PVA Fiber up to 2% and Nano Silica up to 3% is use to be molded with different size such cylinder with diameter 100 mm, beam with size of 0.25mm x 0.50mm x 508mm and cube with size of 50mm x 50mm x 50mm . The mixing process based on standard procedure given. The specimen are place on curing tank for water cured for 28 days. After that, durability aspect and mechanical properties of ECC will be determine through several test. Based on the durability test on chloride ion penetration, through charge passed in term of coulomb in term of chloride permeability, the charge passed decreased with the increase of Nano silica content in ECC. But, difference with adding of PVA fiber content in ECC may increase chloride permeability the result on chloride ion penetration showed from very low to low chloride permeability of all specimen.