The twin spans of the Delaware Memorial Bridge were showing their age by 2018, with more than 1 billion cars and trucks having rolled across their decks over the decades. Built in 1952, the deck of ...
Ultra-high performance concrete (UHPC) is an enhanced fibrous and cementitious concrete with high compressive strength (120–250 MPa) particle packing density (0.825–0.855, tensile strength (15–20 MPa) ...
Los Angeles could have to rebuild over 30% of the city. California has fires, earthquakes, high winds and other risks. Replacing hundreds of billions in residential and commercial buildings and roads ...
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