The Effect Of LITS On Concrete Indirect Tension
Author(s)
H.P. Caraslindas & R.C. Barros
Abstract
The effect of LITS on concrete in indirect
tension
H.P. ~araslindas' & R.C. ~ a r r o s ~
I Dept Civil Engng (Math Division), FEUP-University of Porto, Portugal
2 Dept Civil Engng (Structural Div), FEUP- University of Porto, Portugal
Abstract
The response of concrete to elevated temperatures is an extremely important
consideration in the design and rational assessment of structural concrete that
may be subject to thermal loading. In this paper is reported more generally some
recent research on the load induced thermal strain (LITS), that causes a
significant relaxation and redistribution of thermal stresses of concrete beyond
the uniaxial compression regime. More specifically, the deformations induced by
virgin heating of concrete beams subjected to sustained bending are considered.
All experiments were carried out as 3-point bending with plain concrete beams
placed in a furnace up to 600°C with different heating rates and stress levels [I].
To achieve this goal, it was important to study in de
Keywords
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