South slip road of the M-40 motorway, Madrid, Spain

Projects, domains, issues

South slip road of the M-40 motorway, Madrid, Spain

Project: South slip road of the M-40 motorway
Location: Madrid, Espagne
Instrumentation: S.E.A expert acquisition system with Optical Strands, Optical Extensometers, Tiltmeter, Temperature probe

Bénéfices OSMOS :

  • Continuity of traffic
  • Safety of users
  • Extension of the lifetime of the structure



Safety arrangements of a strategic bridge

This 270-metre pre-stressed concrete beam bridge spans the M40 motorway, the main access road to Madrid for motorists arriving from the North. A number of factors convinced the manager to implement preventive monitoring of the structure - poor bearing capacity of the soil, significant incline of the deck, innovative construction method. The client did indeed wish to ensure the safety and optimization of the maintenance of the structure. OSMOS monitoring operations revealed that the parameters studied (bending, bending stresses, impact of the traffic), remained within an acceptable amplitude interval. 



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