Assessment Strength Properties of Modified Reactive Powder Concrete by Adding Waste Bricks

Abstract

The objective of this investigation is to product a Modified Reactive Powder Concrete (MRPC) by utilization of local wastes result from structural applications like waste crushed bricks which were used in this works by replacing silica sand (with maximum particle size of 600 ìm) by waste crushed bricks with maximum size of 10 mm. Also this work include investigation about effect of waste crushed bricks (WCB) on mechanical properties of MRPC like compressive, flexural, and splitting tensile strengths. For Reactive Powder Concrete (RPC) used fine sand (without coarse aggregate substitutions) and considered as reference mix to examine the effect of WCB on MRPC properties. The test results indicate that the mechanical properties of MRPC improved by replaced silica sand partially with 25% of waste crushed brick and decreased slightly when replacement reached to (50% WCB).