The deck erection gantry is a specialized equipment for erection of suspension bridgedeck segments, it has mainly two forms of winch type and hydraulic lifting type.
跨缆吊机是悬索桥钢箱梁桥面单元提升安装的专用设备，主要有卷扬机提升式和液压提升式两种形式。
2
The self-excited loads acted on the bridgedeck are expressed inthe time domain in the terms of convolution integrals with impulse-response-func ions type kernels.
基于脉冲响应函数的卷积积分，将作用在桥梁主梁上的自激力表达为时域形式。
3
The research results indicated that the method used is suitable for the defects of Dadu River bridge. This method can be used into the reinforced concrete decktype arched bridge further.