Both inside of and outdoors with the API pipes shall be grouted with or without putting rebar. Centrally reinforcing sort of stable threaded or standard rebar type (ref fig) can be used as rebar. API PIPE Devices are suggested for compression piles to maintain their lateral steadiness. Bar that https://andyow2fl.like-blogs.com/32047019/micropile-things-to-know-before-you-buy