Please refer the following details.

Shell Thickness (ts)=18 mm with 10 mm CA
Wear Plate Width =250 mm.
Wear Plate Thickness(tw) =16 mm.
Saddle width (b) =230mm

Please note that as per Denis R. Moss and also from Meggasy it is clear that in formula for Circumferential Compression at Bottom of Shell, thickness of shell can be considered as combined thickness(shell thickness + Wear plate thickness) only if width of the wear plate is minimunm (b+1.56 sqrt(r.ts)).

But in pvelite it is not examining the above condition while calculating the circumferential stress at bottom of the shell.

What the pvelite is doing is putting the value of Wear Plate width (250) equal to (b+1.56 sqrt(r.ts)) and combined thickness (10+16=24) is considered that might be wrong.

My client is also not agreed on this calculation.

Please check the above case and clarify urgently.


Regards,
Satish Yadav