WebThe overlay material can only be applied after the concrete has cured for at least 30 days, temperatures are consistently above 40 degrees and dry weather is forecasted. It is PWKP’s goal to open these structures to traffic as quickly as possible, as a result, motorists may notice a slight bump on the bridge until the overlay is applied. Webdeck, CalTrans de-cided to replace the deteriorated cap with a polyester poly-mer concrete over-l a y. The overlay also would provide a new riding surf a c e . Despite the high cost of …

Construction Procedure Directives

WebJul 13, 2024 · Caltrans spokesperson Dennis Keaton told PaintSquare Daily News that the new surface will be a thicker, faster-setting product than was used in 2014.. While the original overlay was a “multi-layer of resin and broadcast aggregate” 3/8 inch thick, the new product, also manufactured by Kwik Bond, is ”a premixed polyester concrete, aggregate … WebThe first was validation of estimating the concrete strength by the maturity method and the second was to determine the UHPC curing requirements prior to placement of a polyester … fish biodiversity

Caltrans Implementation of UHPC Connections for ABC Projects

Webof the contract. The first was validation of estimating the concrete strength by the maturity meth od and the second was to determine the UHPC curing requirements prior to … WebPolyester Concrete Overlays . The following are some of the requirements for polyester concrete overlays: • The contractor is to notify the engineer at least 15 days before … WebConcrete box girder bridges with integral decks are the predominant bridge type in California. From a maintenance perspective, instead of delaying until an expensive deck replacement is required, Caltrans employs preservation and rehabilitation strategies, mainly in the form of High Molecular Weight Methacrylate (HMWM)-based crack sealing and … fish biofilter