Question

2. A reinforced slab concrete foundation is to be poured for a building. The building is to be constructed near Edmonton. The slab will be in direct contact with the soil, and the soil typically has a sulphate content of 0.3 percent by mass. The minimum rebar spacing in the slab is 100 mm. The contractor is certain that his workers can place a concrete with a slump of 45 mm. The stresses on the slab are relatively low (20 MPa) but portions will be exposed to the elements. The following materials are available at the concrete plant: Portland cement Type 10 Coarse Aggregate Crushed Aggregate Maximum nominal particle size of 19 mmm Bulk specific gravity (SSD)- 2.65 Absorption capacity 1.5 % Total moisture content = 4.0 % Dry-rodded density 1,750 kg/m3. in Bulk specific gravity (SSD) 2.72 Absorption capacity 1.8 % Total moisture content-4.6 % Fineness modulus = 2.6

The question is as follows:-

Q) Design the concrete mixture for the slab

Answer 1

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