Brad, I was able to observe two exposed top tendons crossing a support beam in a deteriorated/delaminated area with only about 3/4 inch cover, which is also what was detailed for the low point of the same strands at midspan of the slab in another area of the parking deck. How would GPR help in...
I am investigating a 30 year old cast in place concrete mall parking structure in PA with grade level and roof top parking. The roof slab is 5 inches thick, reinforced with half inch diameter 270 ksi unbonded tendons at 3 feet on center with a parabolic draped profile. The typical slab span is...
