Hello:
I wonder if anyone can advise me: I did few PTSI's 20 years ago. From memory; I used to allow for the intrusion of tendons at three locations along a profile of the ducting. Two at each side and one in the lowest point at mid span. Are the two on each side important/needed since they...
I am designing a parapet replacement for a Cast Iron parapet on top of a grade ii listed stonework retaining wall. The new parapet will be mounted on top of the retaining wall. The wall was constructed in 1780; it's not showing any movement but as expected erosion of mortar joints; few cracks...
