Reinforcing steel, usually an all-thread bar, is inserted in to the micropile casing and large-power cement grout pumped in. The casing could lengthen to the total depth or end over the bond zone With all the reinforcing bar extending to the total depth. Capacities change according to the micropile dimensions https://rylanppnlk.blogolenta.com/28449235/micro-piling-fundamentals-explained