Roctest Ltd. has been awarded a major contract from Flatiron Constructors/Manson Construction Company of Minneapolis (Flatiron-Manson JV), principal contractors for the I-35W Minnesota Bridge construction. The contract includes instrumenting the I-35W Bridge with conventional vibratingwire products and fiber optic instruments. This bridge project is a world-first for Group Roctest for this type of combined applications as it also combines Roctest newly introduced SensCore concrete corrosion monitoring system.
The new I-35W Bridge project, designed by FIGG Engineering Group, was started in October 2007 following the tragic collapse of the original bridge on August 1, 2007. Group Roctest worked in close relationship with Minnesota DOT and the University of Minnesota in finalizing the optimal instrumentation solution for the bridge.
The monitoring instruments on the I-35W Bridge will measure dynamic and static parameter points to enable close behavioural monitoring for the bridge’s life span. This bridge will be considered one of the first Smart Bridges to be constructed in the United States.
”Roctest has instrumented hundreds of structures with fiber optic sensors and many customers have also combined our traditional vibrating wire technology with our fiber optic sensors in geotechnical applications. In this contract, fiber optic has been selected as a complementary solution for monitoring I-35W Bridge, clearly proving the maturity of our solution
and it will certainly lead to more opportunities in bridge and other structural applications” said François Cordeau, President and Chief Executive Officer of Roctest. “Roctest is really the only instrumentation company offering a complete toolbox of solutions, providing world-class traditional vibrating-wire instruments, leading edge fiber optic sensors, the unique
SensCore concrete corrosion monitoring system and the application software to monitor complex structures.” added François Cordeau.
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