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May 24, 2017

Case Study: Temporary Bridge for the Lower Churchill (Muskrat Falls) Project

Case Study: Temporary Bridge for the Lower Churchill (Muskrat Falls) Project

The Muskrat Falls Project is a large-scale hydroelectric dam initiative undertaken by the province of Newfoundland and Labrador. A critical step in the process was the construction of a 377-feet (115-metre) long, 750-ton temporary bridge in the city of Goose Bay. The bridge, which is 52 feet (15.85 metres) wide and 30 feet (9.14 metres) high, is mainly used by vehicles known as off-highway trucks…

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January 25, 2017

How can steel solve our transportation problems?

How can steel solve our transportation problems?

It’s a brand-new year, so naturally, everyone’s aflutter with visions of svelte waistlines, getting organized, spending more time with friends and family, and spending less/saving more. I’m not a resolution guy, but over the past few weeks, I’ve spent a great deal of time deciding what to change for this upcoming year, and figuring out how I’m actually going to do it (don’t fail me…

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November 8, 2016

Lead-Rubber Bearing Prototype Testing

Lead-Rubber Bearing Prototype Testing

Canam-Bridges just supplied seismic isolators for two overpasses located at the Félix Leclerc (Highway 40) and Laurentian (Highway 73) interchange in Quebec City, Quebec. As part of this project, two overpass ramps underwent repairs while two bridges were demolished and rebuilt. The structures were designed by a consortium composed of BPR and EXP, and the project was carried out by EBC Construction on behalf…

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October 4, 2016

View our Presentation on Metallizing at the 2016 WSBS Symposium

View our Presentation on Metallizing at the 2016 WSBS Symposium

Recordings and slides of the World Steel Bridge Symposium (WSBS) and the 2016 NASCC Conference are now available online. Brian Raff, Strategic Development Manager at Canam-Bridges presented the topic of “Metallizing From A to Zinc.” The presentation covers the generalities of thermal spray coatings and explores specification and blasting requirements that provide a basis for the technical, economic, and operational performance of metallizing. After exploring a…

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August 23, 2016

Case Study: Île-des-Sœurs Bypass Bridge

Case Study: Île-des-Sœurs Bypass Bridge

Special collaboration: WSP Canada Inc. This temporary bypass bridge was fabricated by Canam-Bridges as part of the project to replace the Île-des-Sœurs bridge, which serves as the gateway to the new Champlain Bridge. This bypass bridge is a 541 foot (165 meters) long causeway. The structure was built to limit the impact on traffic during the reconstruction of the permanent Île-des-Sœurs bridge, which will be…

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June 23, 2016

Case Study: Hastings Swing Bridge

Case Study: Hastings Swing Bridge

The Hastings movable bridge, located in the Village of Hastings, Ontario, Canada, needed major repairs. The structure is a 2,200 square foot (204 square meter) swing bridge. In 2016, Canam-Bridges replaced its 83.8 foot (25.6 meters) long by 26.7 foot (8.2 meters) wide superstructure. Hastings Swing Bridge under construction Challenges The weight of the new bridge superstructure and deck had to be low enough for the existing mechanical…

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March 30, 2016

Summary of Our Questions and Answers on Metallizing

Summary of Our Questions and Answers on Metallizing

Following the publication of our questions and answers on the metallizing process, we have gathered all the content in one single document available in PDF format for your reference. Download the summary Feel free to submit your questions, we will be happy to answer them!

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March 17, 2016

Does a Metallized Coating Perform Well in High Strength Bolted Connections?

Does a Metallized Coating Perform Well in High Strength Bolted Connections?

Recent research have shown that unsealed metallized faying surfaces used in high strength bolted connections provide higher slip resistance than specified values for uncoated blast-cleaned Class B surfaces in North American design standards (Chiza and al. 2013; Ampleman and al. 2015; FHWA 2014). These studies followed the recommended procedure in the Research Council on Structural Connections Specification for Structural Joints Using…

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March 16, 2016

What is the Application Standard of Metallizing?

What is the Application Standard of Metallizing?

In Canada, metallizing procedures must follow the CAN/CSA-G189 (2003) Sprayed metal coatings for atmospheric corrosion protection. Canam-Bridges also follows a worldwide specification for the application of thermal sprayed coatings – Specification for the application of thermal spray coatings NACE 12/AWS 2.23M/ SSPC – CS 23.00. Canam-Bridges uses 99.9 % pure zinc wire manufactured per ASTM B833, which covers zinc and zinc alloy wire used to…

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March 15, 2016

How Experienced is Canam-Bridges with the Metallizing Technology?

How Experienced is Canam-Bridges with the Metallizing Technology?

Since 1986, Canam-Bridges has metallized more than 2.5 million square feet of structural steel. That is like metallizing the entire surface area of almost 30 Empire State Building!Tomorrow: What is the application standard of metallizing? For more information, view our video on metallizing and visit the Painting and Metallizing section of our website. For any questions regarding this post, contact us.  

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March 14, 2016

What Surface Preparation is Required for Metallizing?

What Surface Preparation is Required for Metallizing?

To ensure a successful long term performance under severe conditions, preparation of SSPC-SP 5, or White Metal Finish with an appropriate angular profile is recommended. However NACE 12/AWS 2.23M/ SSPC – CS 23.00 specifies a minimum surface preparation of SSPC-SP-10, or near-white-metal finish obtained by blasting. A minimum of 2.5 mils of a sharp, angular profile depth is required. A high spray velocity is essential to penetrating…

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March 11, 2016

How Durable is a Metallized Coating?

How Durable is a Metallized Coating?

Steel structures are subjected to aggressive environmental conditions. Metallizing ensures their longevity and structural integrity. In fact, with proper surface preparation and with a ten-year inspection cycle, a metallized coating can provide an indefinite service life well in excess of 30 years. Moreover, topcoat sealant can be used to fill the voids and prevent moisture infiltration, increasing the durability of the coating.Tomorrow: What surface preparation…

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