Abstract
The current need to find new technical solutions respecting sustainable development leads to study the aging character of concrete, especially of self-compacting concrete (SCC). The objective of this work is to experimentally assess the flexural creep of SCC beams (section 10 × 10 × 120 cm3) under a constant four-point bending stress, by studying the influence of limestone powder (LP) total replacement by recycled fines namely marble powder (MP) glass powder (GP) and granulated blast furnace slag (GBFS) on endogenous and total creep. So, four sets of beams, with the same basic formulation (W/P ratio, paste volume), have been put under a constant stress of 1.3 MPa to determine the total and endogenous creep. Besides, the compressive strength, the four-point bending strength and the elastic modulus were measured. The results indicate that LP total replacement by GP or GBFS reduces the total creep and creep coefficient, while its total replacement by MP increases this coefficient.
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