Near surface mounting (NSM)
Many road infrastructures built about half a century ago, and more particularly during the highway networks expansion that took place in North America in the 1950’s, are today showing signs of wear and tear as a result of an unanticipated increase of vehicular flow as well as overestimated shear resistance properties of concrete.
Among the signs related to these bridge ''burnouts'', diagonal cracking has been often observed on reinforced concrete girders. In order to extend the service life of the affected structures, the rehabilitation has proven to be an economically suited alternative, especially when compared to a complete replacement.
With the product V•ROD of Pultrall...
Amidst the newly developed technologies to overcome this situation, the near surface installation of carbon based concrete reinforcement bars is an emerging one. In fact, the combination of an unquestionable corrosion resistance and a high strength-to-weight ratio have made of this solution a premium choice and one relatively simple to implement. In this case, as well as many others, V•ROD then offers you the ideal solution at a more than competitive cost.
The Solution for Corrosion!
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about V•ROD rebar.
V•ROD rebar does not rust, even in the harshest environments. It does not react to salt, chemical products or the alkalinity present in concrete.
V•ROD rebar does not create a thermal bridge within structures.
She is almost 4 times lighter than steel rebar. It is much easier to handle and, in most cases, one truck load will be sufficient to carry the rebar required on an entire project.
V•ROD rebar offers a level of thermal expansion comparable to concrete due to its 80% silica content.
V•ROD rebar does not contain any metal; it will not cause any interference in contact with strong magnetic fields or when operating sensitive electronic instruments.
V•ROD rebar produced by pultrusion offers a tensile strength that can reach more than five times that of steel.
V•ROD rebar can be delivered at the right time and in the exact quantity needed at the site. Various specifications such as the length of straight bars as well as angles and led lengths of special bent sections are prepared in the plant.