Why is tensile strength testing important for construction and civil engineering

What is the maximum diameter of aggregate considering the clear spacing of the reinforcements in mm? 160mm slab Slab=10mm 130mm beam 700mm 17.25cm 500mm 4 Obeam=25mm D =?

please answer these two question 1.Explain the reason that flexural modulus of elasticity and compression test modulus of elasticity must be considered separately when both the flexural test and the parallel to grain compressive test caused normal stresses parallel to the grain of the wood. 2. Discuss the difference between isotropic and orthotropic materials for wood.

4. According to ASTM A615, what are the minimum yield stress, tensile stress, and elongation for a No. 6 Grade 100 bar?