According to de Oliveira, each of the connections weighs


around 7,700 lbs. (3,492.7 kg) and connects to 30-in. (76.2 cm) diameter steel braces on one end. On the other, they’re welded to the 40-in. (101.6 cm) diameter columns. “Tey’re at the interface between the very large diameter


bracing and columns,” de Oliveira said. “Te casting transi- tions from the round brace down to a relatively thin vertical plate, providing an organically shaped transition between the two geometries.”


The Connections’ Role Is Key As de Oliveira alluded to, the components need to do


more than look good. “Te components are structural; they each support a


large portion of the weight of the roof. And when the wind blows on the structure, they have to transmit the resulting lateral forces down into the foundations,” de Oliveira said. “And if there was ever an earthquake, the inertial forces caused by the excitation of the structure would also be transmitted through the cast steel connections. “As such, these are absolutely critical structural


components.” Cast Connex is not a casting facility. It designs the cast


steel structural components for the construction of build- ings and bridges, and partners with steel facilities for the manufacture of the components it designs. Cast Connex has designed critical components for many other large-scale projects like the architecturally exposed cast steel nodes for the Transbay Transit Center project in San Francisco. Te


竖ङ薄较չ架支形֤接连ў铸Ȕ，પGXOK\OR5 KJȕ，ה ȕ。渡过ङ机有д现实И构ৈѾәЗД֨，构ৈ板


连接铸件的һ键Ҁ用 5RO\KOXG提ӱङ，થ铸ў应થЉюю是र起 KJײ正


来Љ错。 ङӣ部ם撑支љՕў铸З每ͺў构ৈ是ў铸થȔ


底ӱ递Ѯ力风ङէ横ر须必ћ它，时风刮。量重顶و 生ф构ৈ顶وं，时生Շ震֪Ȕ，પGXOK\OR5 部，ȕJK ȕ。Їў钢铸ङ接连ӱ递ѮرЭ力性惯ङ ȕ。ў部ङ用ҁ键Ҽ起是ث্ћ它，此֜Ȕ )GYZ )UTTK^Ҹ՛Љ是铸造ѣЏ，它О建উ、桥梁 铸ङઋગ۱它ф生ҁ合Џѣ造铸Њ，ў构ৈ钢铸ઋગ 部键Ҽдઋગऩ项型םך很О՛Ҹ^KTTU) ў。)GYZ У意উ建дઋગऩ项心И输运湾越ङٌ金旧Оײ҆，ў Їङ铸钢ਭ点。Ҹ՛Օљ提供՟य़՟样ङ标ӕ化铸ў， 括包，物উ建य़՟й用应泛广，ў接连ף插ङ用通ײ҆ া约ङ惠特尼২术馆。 לਈћ我，Շӟچઅङউ建ђȔ：ॐ੮GXOK\OR5 JK


ગઋӟӀ有ЊѨЉգङ২感ङәѾৈ构չ连接点，这是 ȕ。ङ现实ਈЉ۱Џҁ接焊


The incomplete roof, anchored by the


connections, was in place for the 2015 tournament.


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


年ङ比


顶و，间期赛 ৈ构已经安装 连ं是它，ױ ع，定֡点接 未完工。


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