iii DURABILITY OF SELF-COMPACTING CONCRETE WITH COAL BOTTOM ASH AS SAND REPLACEMENT MATERIAL UNDER AGGRESSIVE ENVIRONMENT AHMAD FARHAN BIN HAMZAH A thesis submitted in fulfilment of the requirements for the award of the degree of Doctor of Philosophy (Civil Engineering) Faculty of Civil and Environmental Engineering Universiti Tun Hussein Onn Malaysia SEPTEMBER 2017 brought to you by CORE View metadata, citation and similar papers at core.ac.uk provided by UTHM Institutional Repository