Question

list two important mechanical properties affected by concrete compressive strenght

Answer 1

Two important mechanical properties that depends on the compressive strength of concrete are,

1. Modulus of rupture: The modulus of rupture or flexural strength is a measure of the load carrying capacity of a concrete beam or slab. For normal weight concrete, the modulus of rupture given by ACI as follows

fc' is the compressive strength of concrete

2. Modulus of elasticity:The modulus of elasticity of concrete enables the computation of elastic deflection of the concrete elements. For normal concrete, ACI recommends the following equation to find the modulus of elasticity of concrete.