WHETHER IT IS ACTUALLY REQUIRED TO CHECK THE HOT SUSTAINED STRESSES IN PIPING SYSTEMS.IT IS VERY COMMON THAT PIPE SUPPORT LIFTS UP IN CERTAIN CASES BY SAY FRACTION OF MM TO SEVERAL MM.SUCH CASE IF IT IS REQUIRED TO GO FOR HOT SUSTAINED CHECKS (LOAD AS WELL AS SYSTEM STRESS) WE MAY END UP IN REPLACING REGID SUPPORT HAVING SMALL LIFTUP ALSO WITH SPRING.IS THIS IS ACTUALLY REQUIRED THIS MUCH CONSERVATIVE APPROACH? OR WE CAN USE
SELF LIMITING NATURE OF OPERATING STRESS WHICH MAY CHANGE TO NON ACTING SUPPORT TO ACTING SUPPORT AFTER SOME PERIOD OF OPERATION? IF SO HOW TO ARRIVE AT ACTUAL ALLOWED LIFT? WHICH WILLNOT DEFEAT STRESS.PLEASE THROW SOME LIGHT