JACK-ASSISTED LEVELING PROCESS OF AN ACTUAL 17-STORY BUILDING

Autor: Juan F. Correal, Álvaro Peláez, Gustavo Gastelbondo, Juan S. Echeverry, Juan C. Reyes, Andres C. Riaño, Armando Palomino
Rok vydání: 2018
Předmět:
Zdroj: International Journal of GEOMATE. 14
ISSN: 2186-2990
2186-2982
DOI: 10.21660/20178.41.71447
Popis: Foundation problems during building construction may cause important structural andnonstructural damage, and compromise the building serviceability. This paper presents a case study of a jack-assisted leveling process implemented on a 17-story reinforced concrete building that suffered importantdifferential settlements during its construction. It is the first time a leveling solution for just a group of piles isimplemented, since previous studies considered intervening all foundation piles. The procedure consists oncutting a small slice of the piles in the unsettled side of the building, equivalent to the necessary descent forleveling the settlements in the opposite end, and lowering the unsettled part by a controlled maneuver withhydraulic jacks. Prior to its execution, a numerical model was developed for predicting the effectiveness of thedescent maneuver indicating that the leveling process would correct the tilt of the building. The solution wassuccessfully implemented and the building is now in service.
Databáze: OpenAIRE