Comparative Study on Behavior of Self Compacting Concrete (SCC) under Dynamic Loading at Different Loading Ranges

Mohamed , M.A.W. and Nabilah , A.B. and Shah Haeqal, S.A. and Kalaikumar, V. (2010) Comparative Study on Behavior of Self Compacting Concrete (SCC) under Dynamic Loading at Different Loading Ranges. In: ICSBI 2010, part of ESTCON 2010, 15-17 June 2010, Kuala Lumpur.

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This paper reports the results of a continued study of a parallel research conducted on the behavior of SCC under static load at different loading rates. Self compacting concrete was developed in 1980s to improve the performance of concrete in its fresh state with the fundamental purpose to enhance its flowability, self compacting ability and segregation resistance capability. In this study, SCC and normally compacted concrete (NC) mixes were designed to be tested on the fresh and hardened properties. Concrete cubes were casted for both mixes. Also three (3) pairs of beams each made from both mixes were made and subjected to three (3) different dynamic loading ranges of 40%-10%, 60%-10% and 85%-10%; all load ranges were based on the ultimate static failure load from the parallel study. Cube compressive strength, beam crack pattern and deflection rates were obtained and compared for both types of concrete. It’s found that the fatigue and ductility strength of SCC beams were higher than the NC beams. As conclusion the SCC showed a better result compared to the NC. The SCC has higher ductility than the NC where the earlier could withstand similar amount of dynamic load with generating high values of deflection. Also in fatigue test, the SCC sustained a longer cycles of loading. Meanwhile the SCC showed higher magnitude of deformation than the later. On the crack pattern, the SCC developed lesser number of cracks than NC in respective loading ranges.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Departments / MOR / COE:Departments > Civil Engineering
ID Code:2802
Deposited By: Mr Kalaikumar Vallyutham
Deposited On:21 Sep 2010 04:58
Last Modified:19 Jan 2017 08:24

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