Question No. 6 120 points Design concrete mix given the following information: 25mm and 30mm). Select the maximum aggreg
Posted: Mon May 16, 2022 8:10 am
Question No. 6 120 points Design concrete mix given the following information: 25mm and 30mm). Select the maximum aggregate size to cast five concrete beams 1.80m long The following aggregate sizes are available in the construction site: (10mm, 16mm, 20mm, and cross section of 300x200mm. 2(12mm) rebars Form 6mm stirrup 38mm Cover ODOS OS 4(16mm) rebars 300mm Reinforcement Un-reinfersed alab The concrete is exposed to 1500 ppm sulfate in the course aggregate specific gravity - 2.8 and moisture content or 0.24% fine agregate specific gravity-26 and moisture content of 1.3% use concrete density of 2350 km