E3S Web Conf.
Volume 347, 20222nd International Conference on Civil and Environmental Engineering (ICCEE 2022)
|Number of page(s)||9|
|Section||Construction Materials and Technologies|
|Published online||14 April 2022|
Experimental investigations on durability characteristics of ground granulated blast furnace slag mortar
1 Ph.D. Scholar
3 Associate Professor, Department of Civil Engineering National Institute of Technology Calicut, Kozhikode, Kerala, India.
* Corresponding author: firstname.lastname@example.org
Ground Granulated Blast furnace Slag (GGBS), a waste product from steel plants, can be effectively utilized as a pozzolanic material and can be used as a partial replacement to cement leading to sustainable construction practice. Mortar is usually used as a binding and plastering material; hence the chances of exposure to a damaging environment are high than concrete. GGBS mortar should be examined for durability from weathering action, chemical attack, and abrasion to ensure a long-life cycle and less repair and replacement in structures. The present paper is an experimental investigation of the durability properties of GGBS mortar by considering the parameters like water absorption, effective porosity, sorptivity, chemical attacks, abrasion resistance, and chloride ion resistance. This study involves the replacement of Ordinary Portland Cement (OPC) with GGBS in 10%, 20%, 30%, 40%, 50%, 60% and 70%. The test results are compared with OPC mortar and observed a significant enhancement in the durability characteristics of GGBS mortar. Also, it is observed that 50% replacement of cement with GGBS gives an optimum mix considering the strength and durability characteristics.
© The Authors, published by EDP Sciences, 2022
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