Study on Strength Characteristics of Rice Husk Ash Concrete

Shylaja N; Babu E R; Nanjunda K N; M Sreenivasulu Reddy

Shylaja N Assistant Professor, School of Civil Engineering, REVA University, Rukmini Knowledge Park, Kattigenahalli, Yalahanka, Bengaluru, Karnataka, India.
Babu E R Associate Professor, Department of mechanical Engineering, Bangalore Institute of Technology, Bengaluru, Karnataka, India.
Nanjunda K N Assistant Professor, School of Civil Engineering, REVA University, Rukmini Knowledge Park, Kattigenahalli, Yalahanka, Bengaluru, Karnataka, India.
M Sreenivasulu Reddy Assistant Professor, School of Civil Engineering, REVA University, Rukmini Knowledge Park, Kattigenahalli, Yalahanka, Bengaluru, Karnataka, India.

Keywords: Sustainable Concrete, Rice husk ash, Compressive strength, Conventional concrete etc.

Abstract

Concrete is the single most building material which is continuously being used to construct various infrastructures. Cement is a vital ingredient of concrete, during its production approximately 10% of global Carbon Dioxide (CO2) is emitted which affects the global warming and climate change. Therefore an Attempt has been made to develop a green and sustainable concrete by utilizing on of the waste material as rice husk ash. With the utilization of rice husk ash as cement replacement, the CO2 gas emissions can be reduced. In the present research, a comparative study on use of RHA as partial replacement of cement in concrete specimens was made. Concrete specimens were tested with different percentages of RHA and Compressive strength, flexural strength; split tensile strength and slump test were carried out to evaluate the appropriateness of using RHA in concrete. From the compressive strength, split tensile and flexural strength, 10% RHA blend is exhibits better properties as compared with conventional concrete.

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