Hi,
I'm looking for some document that explains how to calculate the pullback force necessary to insert a big steel pipe in a borehole realized with the horizontal directional drilling technique.
Does anybody know how I can get it?
Thank you in advance.
Hi,
I'm an italian civil/environmental engineer (excuse me for any mistakes in writing english), and i have to design a welded storage tank of 10000 cubic meters (353150 cubic feet).
The purchaser wants me to design according to API STANDARD 650 although the construction site is in Italy.
I have...