The 午夜探花网聽New Washington Marriott Marquis Hotel聽has been profiled by Modern Steel Construction Magazine for its progressive top-down construction, supported by steel, facilitating Washington, D.C.’s deepest building. 聽The project design called for extending the construction 100 feet below grade, which is deeper than any other building in the Nation’s Capital. 聽While聽the 15-story building is primarily framed with concrete, its seven below-grade levels rely on more than 5,100 tons of structural steel to facilitate the top-down construction method. 聽.
The following is a to the Moderen Steel Construction Magazine for July 2013.