UNDER WAY Focus of probe has shifted from columns under concourse at Charles de Gaulle Airport to struts that connect “fingers” to concrete shell. (Photo courtesy of Eiffel /Laubeuf) External tubular ...
A project to build a 20-story hospital tower on the Henry Ford Health campus in Detroit has marked a worldwide first with placement of four W14x1000 steel columns installed at the bracing core at the ...
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