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本文简要介绍了中银大厦大跨度预应力混凝土井字粱施工。在井字梁楼盖体系中，首次采用了大吨位滑动支座和２７孔大吨位群锚锚固体系。该工程的预应力施工技术和质量管理达到了较高水平。
This article briefly introduces the construction of large-span prestressed concrete wells in the Bank of China Tower. For the first time, a large-tonnage sliding bearing and a 27-hole large-tonnage anchor anchor system were adopted in the T-beam girder system. The prestressed construction technology and quality management of this project have reached a high level.