Consider the following statements with ragard to crack formation and its control: The surface width of the crack should not, in general, exceed 0.mm for structures not subjected to aggressive environment. When depth of web in a beam exceedsmm, side face reinforcement @ 0.1 percent of web area should be provided on each face. The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab ormm, whichever is smaller. Which of the statements given above is/are correct ? |