Hello.
I am using FEA to evaluate a thermoplastic chamber buried 18 inches below the surface (no pavement) to withstand an H20 load. The loads predicted by LRFD bridge design std seem very high and result in cost-preventative designs. Any comments on how to model (loads and...
I am designing a part to be buried underground permanently and at this point I am considering PET and PP. As the part will remain buried, I assume a 50 year modulus would be more appropriate than the standard modulus, however, I cannot find any information on percentage decrease for PP and PET...