A STUDY OF THERMAL AND ACOUSTIC PERFORMANCES OF CRUMB RUBBER LIGHTWEIGHT FOAMED CONCRETE WITH DENSITY OF 1050 KG/M 3 - 1150 KG/M 3 CHANG JUN MING A project report submitted in partial fulfilment of the requirements for the award of Bachelor of Engineering (Honours) Civil Engineering Lee Kong Chian Faculty of Engineering and Science Universiti Tunku Abdul Rahman April 2020