CCTV双向倾斜高强预应力锚栓安装施工技术  

Installation Construction Technology of Bidirectional Inclining Highstrength Prestressed Anchor Bolt

作　　者：张琨[1] 陈振明[1] 杨道俊[1] 陈华周 

机构地区：[1]中国建筑工程总公司,北京100020

出　　处：《施工技术》2007年第7期9-12,共4页Construction Technology

摘　　要：中央电视台新台址主楼外框筒钢柱脚锚栓具有直径大、单根柱锚杆分布数量不等、双向倾斜安装以及张拉空间狭小的特点。介绍了双向倾斜大直径高强预应力锚栓安装施工技术,包括定位埋设工艺、锚栓张拉和灌浆工艺等内容。The anchor bolts in steel column bases of frame-tube structure in CCTV new headquarters have characteristics of large diameter, unequal distribution quantity and bidirectional inclining installation as well as limited tensioning space. In this paper, installation construction technology of bidirectional inclining high-strength prestressed with large diameter is introduced including burial localization, anchor bolts tensioning and grouting technology.

关 键 词：钢柱脚 高强度预应力锚栓 张拉 灌浆 

分 类 号：TU744.5[建筑科学—建筑技术科学]