构件外部粘钢加固法在大雨篷加长改造中的应用

The Application of Reinforcing Method of Adhering Steel Sheet onto Structural Part's Surface in Lengthening Transformation of Large Canopy

结合工程实例，简要论述了粘钢加固的原理。

Connecting with practical example of engineering,briefly discussing the principle,calculating method and constructing method of reinforcement of adhering steel sheet.