Structural solutions in the renovation of a home in Madrid

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Renovation of a home in Madrid

[vc_row][vc_column][vc_column_text]Antana would like to share the structural solutions we have employed in order to reinforce and strengthen concrete pillars during the renovation of a home in Madrid.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column width=”1/1″][vc_empty_space height=”32px”][/vc_column][/vc_row][vc_row][vc_column width=”1/3″][vc_column_text], Structural solutions in the renovation of a home in Madrid

, Structural solutions in the renovation of a home in Madrid

, Structural solutions in the renovation of a home in Madrid[/vc_column_text][/vc_column][vc_column width=”2/3″][vc_column_text]The affected structure consisted of six pillars, each with a cross-section surface area of 11 cm x 11 cm, with significant damage, as indicated in the image. The longitudinal trusses of each pillar were made with thin steel rods that, through bearing the supported load, had become “detached” from the concrete. This type of truss has not been used for several decades, having been substituted by corrugated truss rods that improve the bonds between steel and concrete.

Our first job was to clean up the pillar, which was done by getting rid of the concrete that had been broken. Given that the trusses showed signs of rusting, it was necessary to remove the rust and apply a protective film of synthetic resin and silica fume (Sika® MonoTop®-910 S). This was applied directly with a brush, after being prepared with water, which improves its adhesion to the repair mortar we would apply later.

Once the trusses were dealt with, we proceeded to repair the pillar section by applying non-shrink mortar (Sika® MonoTop®-618). To do this, the pillar was encased and the mortar was added in successive layers (up to a thickness of 80 mm, in accordance with the manufacturer’s instructions).

Once the original section was reconstructed, we proceeded to clad it with laminated sheet steel 10 mm thick – which was already U-shaped – and supported these with 16 mm steel plates (measuring 60 cm x 60 cm) on a levelled mortar base.

For the placement of the pillar encasements, we used clamps to reduce the vibrations of the pillars.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column width=”1/1″][vc_empty_space height=”32px”][vc_column_text]Afterwards, sheeting measuring 400 mm x 400 mm x 12 mm was placed at the head of the new pillars to share the loads and provide punching shear reinforcement to the new framework on the existing shape.[/vc_column_text][/vc_column][/vc_row]

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