Originally Posted by
CactusCurt
Holy cow just anchoring that tubing takes some work. Shortening up will help but could they pick something heavier?
The only things we did were cable stays and post-tensioning (or prestressing for you purists
). We were crude
You need a long drill bit to drill those prestressing strand ducts.
I'm afraid with all the inclusions, fissures and veins present in marble any attempt at post-tensioning would result in some very expensive Italian gravel 
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