Development Of Specifications For Engineered Cementitious Composites For Use In Bridge Deck Overlays
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The objective of this Nevada DOT research project is to determine whether or not ECC can be produced consistently and reliably from multiple sources of Nevada aggregates and batched on a large scale for highway construction projects. This research project will investigate the mix design, production, performance, and application of ECC on a large scale for bridge deck overlays. Testing carried out on the ECC will evaluate the material’s mechanical properties. The durability of ECC will also be evaluated to determine if the material can perform at a high level for many years as a bridge deck overlay. Once the material has been tested and a mix has been chosen for field testing, two different bridge deck overlays in Nevada will be constructed to validate the results of laboratory testing on ECC. The project will conclude by developing specifications for designing, producing, placing, and finishing ECC for bridge deck overlays in Nevada.