Workability And Strength Characteristics Of Self Compacting Concrete Subjected To Sustained Elevated Temperatures

Shanthappa B.C*, Prahallada M.C.**, Prakash K.B.***
* Professor, Department of Civil Engineering, S. J. M. Institute of Technology, Chitradurga ,Karnataka, India.
** Professor, Department of Civil Engineering, Christ University Faculty of Engineering, Bangalore,Karnataka, India.
*** Principal, Government College of Engineering, Haveri, Karnataka, India.
Periodicity:September - November'2013


This paper presents an assessment of effect of sustained temperatures on strength properties of self compacting concrete produced by the combination of admixtures (Superplasticizer + Viscosity modifying admixture + Air entraining agent + Water proofing compound). The concrete testing specimens were prepared by a mix proportion 1:2.7:6.1:5.1 with cement: fly ash: sand: coarse aggregate with a water/binder ratio of 0.38 and water cured for 28days. After 28days of curing the specimens were kept in oven at required temperature (100oC, 200oC, 800oC and 900oC) for 4 hrs at constant temperatures. The specimens after cooling were weighed again to find the percentage loss of weight and were thoroughly observed for their change in colour and cracks. These specimens were tested for their respective strengths like compressive strength, flexural strength, tensile strength and impact strength for different percentage addition of last admixture. SCC produced with the combination of admixtures show better resistance to elevated temperatures. The results obtained were compared with the corresponding properties of normal concrete with the same water, cement and air content.


Sustained Elevated Temperature, Self Compacting Concrete, Ordinary Conventional Concrete, Compressive Strength, Tensile Strength, Flexural Strength And Impact Strength.

How to Cite this Article?

Shanthappa.B.C., Prahallada.M.C., and Prakash.K.B. (2013). Workability and Strength Characteristics of Self Compacting Concrete Subjected to Sustained Elevated Temperatures. i-manager’s Journal on Civil Engineering, 3(4), 41-49.


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