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SISTEMA INTEGRAL DE INFORMACIÓN ACADÉMICA - PÚBLICO
Título del libro: Geotechnical Engineering In The Xxi Century: Lessons Learned And Future Challenges Título del capítulo: Underpinning and Releveling of a Building Using Control Piles and Sub-Excavation
Control piles; settlement control; underpinning; releveling; sub-excavation
Resumen:
Control piles are a special foundation consisting of point-bearing piles
that freely penetrate the foundation slab, at the head of which is
placed a device to control the pile load and the settlement of a
structure. These devices eventually allow the pile to be completely
unloaded to induce corrective movements in the case of buildings with
differential settlements or apparent protruding. Therefore, control
piles have been widely used in Mexico City for the underpinning of
buildings with problems of differential settlements and tiltings. In
this paper, the case of a building with a foundation that was
underpinned with control piles to correct a maximum differential
settlement of approximately 1 m is briefly described. The underpinning
was combined with the sub-excavation technique to accelerate the process
of the releveling of the building. Both the underpinning and the
releveling were carried out within a year.
