Point-supported glass orders come i...

Point-supported glass orders come in two basic varieties: truss-braced orders like the one employed by way of New York City's American Museum of Natural History for the Rose Center planetarium, and simple tension-cable orders The truss systems are more rigid and permit relatively small deflections of the glazed plane, while the cable-stayed variety permit a great deal greater deflections.
The lobby exterior at single in kind North Wacker for example, is designed for length-to-displacement ratios of about 50:1 and cables may be post-tensioned to as to a great degree as 15,000 pounds per cable, with equal reason the ...