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After carrying out the initial tremie grouting, a stress grouting is complied with at the same time Find out more with the lifting of the casing from the bond zone. The second stage stress grouting is done through a preinstalled tube. 2nd stage grouting serves in improving cement dirt bonding. The grouting will certainly be done up to the bearing stratum and can be reached the full size of the heap if required. Basically, this short article. explains the layout as well as installment procedure of micropiles. Micropiles can likewise be described as bored piles if their diameter is less than 250 mm.