Structural study for strengthening a concrete floor in Saint-Laurent-du-Var

As part of a renovation project in Saint-Laurent-du-Var, OMPT STRUCTURE was asked to carry out a structural study aimed at strengthening a concrete floor damaged by water leaks.

Our engineering office carried out a detailed analysis to assess the condition of the existing floor and determine the appropriate strengthening solutions. Following this study, we recommended several essential measures:

• Installing temporary propping to support the ceiling and the load-bearing beams before work begins
• Controlled demolition of the deteriorated reinforced-concrete beams, with removal of the rubble
• Treatment and passivation of the steel reinforcement, including stripping, removal of loose areas and application of fibre-reinforced mortars to restore the integrity of the concrete
• Strengthening with a steel structure, including a double UPE160 beam in a twin-beam clamping (moisage) arrangement and HEA120 beams fixed perpendicularly with base plates and bolts

These precisely sized solutions made it possible to redistribute the loads effectively and ensure the long-term strength of the floor.

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