Micropile with steel tubular profile reinforcement, for foundation underpinning

Micropile up to 15 m in length and 114.3 mm nominal diameter, composed of a threaded tubular profile, steel EN ISO 11960 N-80, with a yield strength of 562 N/mm², 60.3 mm outer diameter and 5.5 mm thickness, and cement grout CEM I 42.5N, with a water/cement ratio of 0.4 by weight, poured through the interior of the reinforcement using a single global injection (IU) system; for foundation underpinning, penetrating the existing foundation, in a work area with a free height between 2.50 and 4 m, and manual loading onto trucks or containers of the remaining fill material and other waste produced during the works.