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This paper presents the properties of low-fines self-consolidating concrete (LF-SCC) incorporating industrial by-products such as fly ash and sugarcane bagasse ash as cement replacing materials at 20, 30, 40 and 50%; and 10, 20, 30 and 40%, respectively. The suitability of the LF-SCC so produced as a pavement quality concrete is assessed by testing for its strength and durability. The fresh properties such as slump-flow, V-funnel, T50 and L-box ratio are determined. The mechanical properties such as compressive, splitting tensile and flexural strength are evaluated. The durability of mixes is assessed by water absorption, water penetration, and rapid chloride penetration tests (RCPT). The results show that the workability of the LF-SCC is well satisfying the EFNARC guidelines. The mixes showing compressive and flexural strengths not less than 30 and 3.8 MPa can be used for rural roads and those showing these values above 40 and 4.5 MPa, can be effectively used for the construction of urban roads as per Indian Road Congress specifications. The maximum water absorption among all the mixes is 3.56% and the maximum water penetration is 35 mm. The RCPT values at 90 days curing are found to be in the range of 788–1393 coulombs.

Strength and durability study of low-fines self-consolidating concrete as a pavement material using fly ash and bagasse ash