A person sits near one of the eight connections around Arthur Ashe Stadium.


ਬș瑟оֱ֨Ѩ观ѹ一 点接连З一ӄ֫球ક ङ旁边。


Photo Courtesy of Cast Connex.


to the arena, following the lead of fellow major venues for Wimbledon and the Australian Open. Tat roof, at a cost of a reported $150 million, is


structurally independent from the stadium itself and is expected to be operational by the 2016 event in late August. Te hulking steel frame was already in place for last year’s tournament, missing the polytetrafluoroethylene fiberglass membranes that will eventually cover the roof and provide protection when inclement weather hits. Of course, the project is much more complicated than simply slapping a roof structure over an existing arena. The new structure is supported by eight steel columns spaced around the perimeter of the stadium that are joined to ground-level concrete piers. Each base is a point where two diagonal braces are connected to a vertical steel column by cast steel connections. As fans walk into the arena, they stride right past the con-


照片ं)GYZ )UTTK^Ҹ՛提供。


。顶وङ动१Օ建ғ֫球ো赛开Ҹৠ澳չ 资৴需，构ৈङ૯ਘ֫球й立独是顶و，०道报


ם㏎。用҅ҵ投И赛比ङ月 年 ֨رઋ预，ҫ২ь 氟֚聚ر需还，ױ装安间期赛比ङ年Ծ֨经已构ৈ钢ङ 。Ӡ袭ङ气מ劣恶止防，Ї顶و֨त覆ਔ维ল璃玻烯◢ 构ৈ顶ور֪单এ是Љ并，杂ז常非ऩ项З这，然当 绕环ङ接连墩֦凝混面֪Њं构ৈ顶و。Ї֫球֨त覆 钢फָЊ架支અثЗ ङ点ׂЗ每。持支柱钢根 ङ֫球 这过૧ѫћѕ，时֫球ҵ进Ѩ观当。接连ў钢铸过通柱 。点ङ顶و撑支面֪֨定֡З 斯萨堪州里ਲإ择选ৄ最՛Ҹ^KTTU) ZYG)ङךѰך


。ѴѪҁ合ऩ项Оҁ՛ҸTKQJGX(ङֽ 魁ם拿加（֝集SGTG)Џѣф生铁钢，月 年


42 | FOUNDRY-PLANET.COM | MODERN CASTING | CHINA FOUNDRY ASSOCIATION June 2016


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