The Performance of Concrete with Rice Husk Ash, Sea Shell Ash and Bamboo Fibre Addition

Concrete has good compressive but low in tensile strength. The addition of natural fibre into fresh concrete can increase the ductility of the concrete matrix. This research aims to investigate the tensile strength of concrete with 0.50% addition of bamboo fibre based on cement weight. To increase the strength of concrete, the mixture of rice husk ash (RHA) and sea shell ash (SSA) was used as partial replacement of fine aggregate. The replacement is devided into four different percentages namely 10%, 20%, 30% and 40% based on the weight of fine aggregate. The experimental work consisted of casting 13 different types of concrete to be compared in term of splitting tensile strength at the age of 28 and 90 days. In general the tensile strength of bamboo fibre reinforced concrete is comparable to that of Normal Concrete.