Right before hardening of the main grout, very similar grout is injected once by using a sleeve grout pipe at a stress of the nadir of one.0MPa. Even though micropiles are more expensive than some shallow Basis possibilities, their positive aspects often justify the expense: Publish-grouting inside the bond length https://preecha-concrete-pile63849.blogzet.com/helping-the-others-realize-the-advantages-of-service-46412302