THERMAL EFFECTS ON MECHANICAL CHARACTERISTICS OF SCC
G.Jyothi Kumari
Civil Engineerin department, JNTUH, Hyderabad, India , IN
B. Chandrasekhar
Civil Engineerin department, JNTUH, Hyderabad, India , IN
M.V.Seshagiri Rao
Civil Engineerin department, JNTUH, Hyderabad, India , IN
Keywords: Packing Factor (PF), Mixture proportioning, Elevated temperature, Thermal cycle.
Abstract
The present work addresses the thermal effects on characteristics of medium strength self compacting concrete. Initially, the flowing concrete was designed using a simple technique based on packing factor and s/a ratio. To develop the SCC, the packing density of available filler materials is optimized and Nan su [1] mix designed was modified a little. The casted mixes are investigated for both green and hardened state properties and are compared with the available literature and EFNARC guidelines [2] to meet requirements technically and practically. Apart from this, non destructive, durability and corrosive properties of these concrete mixes are also investigated. Finally, the studies were extended to elevate the influence of high temperatures (100O, 200O, 400O, 600OC) and thermal cycles (at a temperature of 200OC) on characteristics of MSSCC.
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