张旭红      （铁道第一勘察设计院 兰州 730000）

[提要]  结合兰大图书馆楼工程实例，就其改扩建工程中采用的技术处理作一些介绍。着重介绍了旧建筑物与共享大厅的连接，塔楼加高改造及粘钢增强钢筋混凝土梁抗剪能力的技术处理，可供同类工程参考。
[关键词]  图书馆建筑  改扩建  加固  改造设计

The technical treatment methods adopted in strengthening and enlargement engineering for the library of Lanzhou University are introduced. The treatment methods for connection between the existing building and the lobby withshared space, height-increase of tower buildings and the shear resistance of reinforced concrete beam strengthened by bonded steel sheet are particularly proposed. It can be referred for similar projects.
Keywords: strengthening; enlargement; design