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Open AccessEffects of Redispersible Polymer Powder on Mechanical and Durability Properties of Preplaced Aggregate Concrete with Recycled Railway Ballast
The rapid-hardening method employing the injection of calcium sulfoaluminate (CSA) cement mortar into voids between preplaced ballast aggregates has recently emerged as a promising approach for the renovation ...
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Introduction—Scanning the Symposium
In his revolutionary experiments of 1895, Marconi achieved transmission of coded radio signals over distances up to 2 km. Six years later, he succeeded in the first transmission of telegraphic signals across t...
