ISOSISM® Shock Transmission Unit (STU)
ISOSISM® connectors create a rigid connection between the superstructure and the supporting structures during quick displacements typical of seismic events and allow free movement in normal operating conditions.
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200+Number of projects worldwide
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2,000+Number of units installed worldwide
Benefits
01. Effective behavior under earthquake
The ISOSISM® STU act as rigid connection, distributing horizontal forces to the supports on which it is installed. The device works like a high-pressure hydraulic jack, correlating to the velocity of the load application.
02. No disturbance under normal operating conditions
Very low resistance to slow displacements that occur in service conditions (temperature variations, shrinkage, creep, etc)
03. Cost-savings
Reduced civil engineering costs at construction stage and for maintenance and repair throughout the life cycle.
04. Durability
Corrosion protection system, in accordance with EN 12944-2.
The external compensation chamber allows thermal expansion of the hydraulic fluid to avoid overpressure and leakages.
ISOSISM® Shock Transmission Unit specifications
DocumentationUsage
Adapted to all types of structures, new or existing ones
Reaction force
500 to 4000 kN depending on model.
Lower or higher value possible for special applications
Lower or higher value possible for special applications
Stroke
100 to 200 mm depending on model.
Lower or higher value possible for special applications
Lower or higher value possible for special applications
Range
Optimized design to project specifications
Certification
Compliant with all international standards,
CE marking on request
CE marking on request
Installation
Different installation configurations depending on the space available
London bridge Station – England
3D sketch of ISOSISM® Shock Transmission Unit, including fixings
Railway over Don River, Scotland, UK
Railway over Don River, Scotland, UK
Railway over Don River, Scotland, UK / ISOSISM® STU ready for shipment, painted at client’s request
Southern Branch of the National Palace Museum, Taïwan
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