DURABILITY ASPECTS AND MECHANICAL PROPERTIES OF ECC CONTAINING NANO SILICA PARTICLES By MOHD ZULKHAIRI BIN ZULKEFLI 16746 Dissertation submitted in partial fulfillment of the requirements for the Bachelor of Engineering (Hons) SEPTEMBER 2014 Universiti Teknologi PETRONAS Bandar Seri Iskandar 31750 Tronoh Perak Darul Ridzuan