The project consisted of the structure’s reinforcement and underpinning of an existing building from 1924. Due to current regulation, the façade and the slabs had to be maintained.
The aim was to strengthen the existing structure in order to adapt it to the new needs, as well as the construction of two basement floors.
Deck Floor: Structure of wooden trusses and main beams
Type floors: Factory work load walls. Forged metallic joists and clay filler tiles. Posterior part. Steel and concrete metal beams supported by factory pilasters.
Ground and first floors: Load walls, brick turns, forged metallic beams, and clay filler blocks.
Foundation: Isolated and continuous footings. Boyd beams over Caisson on the main facade.
CEILINGS: Introduction of elements that reduce the light of the joists and increase the resistant capacity. Execution of a compression layer. Replacement of areas affected by the oxidation of the joists by new unidirectional roofs.
Introduction of interior metal frames and perimeter beams, Boyd beams and lattice beams
Underpinning and foundation:
Micropiles were executed to attach the load walls and the pillars with metal profiles. Subsequently, the basement was excavated in phases and micropiles were braced in order to avoid flexing. Once the foundation depth was reached, the definitive foundations were placed and the pillars were laid as an extension of the attached pillar. Once the entire structure was connected to the new pillars, the micropiles were disassembled.
more images: https://www.flickr.com/photos/s4arquitectes/albums/72157603854166576