Hey All,
Just wondering where fp (minimum Average Residual prestress compressive stress,psi) is derived from in that equation. Is it a value found via testing or is it calculated. If it's calculated where is the calculation formula? If it is from testing where is the table of values?
I am preparing a master anchor bolt schedule for hold downs in the 2008 simpson strong tie catalog for single family residential. The design software provided by simpson does not do designs for epoxy bolts. Simpson provides an example calculation which follows ACI appen. D for the design of all...