I would like to ask about allowable stress check for GRP in bs7159.
In caesar II, as i know, allowable stress value for GRP is not defined automatically.
So user should get information including allowable value from vendor.
And then i'd like to know which load case is applied and how to compare actual stress with allowable value. As i know, ope, sus and occ case should be checked and not EXP, Right?
Shall the Allowable value from GRP vendor be inputted in caesar II and be checked through caesar output data like asme code? If not, just shall the stress check be done in person by comparing with allowable value from vendor?

Please let me know how to check stress in caesar II.

Dear Friend,

The BS 7159 requirements instruct you that only an OPE stress check should be made, for that case where the worst stress/strain are expected. In order to determine which type of load is causing any potential overstress, it is better to build and check SUS and EXP cases as well.

I realize this thread is a few years old.

1) Can anyone point to which section of BS 7159 indicates that only OPE case needs to be checked? I remember seeing it but haven't been able to locate it since and didn't tab it.

2) Should the Sustained & Expansion cases be checked using those stress types (SUS/EXP) as well? Or should the load cases be built the same (W+P1 & Expansion=Operating-Sustained) and only the OPE case types be used for all cases?

3) Can someone please confirm that analysis including Wind loads does NOT result in an increase in the allowable stress? I assume I could confirm this myself if I received the answer to item 1 above.

Thank you for the help as always.
Dmitriy