OLERANCE LIMIT DEFECTS IN THE CYLINDRICAL PIPE SHELLS UNDER INTERNAL PRESSURE

N the work, the design procedure of the critical sizes of microdefects and discontinuity flaw on surfaces of the cylindrical shells which are under internal pressure is offered. Approaches of mechanics of destructions considering factors of intensity of stresses for definition of maximum-permissible lengths of cracks for blind semielliptical cracks are stud- ied