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小浪底库区黄河特大桥主体施工前首先需在黄河库区河道内搭设临时钢栈桥,项目重点和难点也集中在钢栈桥施工,为了能够顺利推进黄河特大桥钢栈桥施工,现场采用“钓鱼法”和“悬打法”打桩技术施工。黄河特大桥所处小浪底库区,水位深且常年在变化,且有部分通航船舶运行。
Before the construction of the main body of the Yellow River Bridge in Xiaolangdi Reservoir Area, the temporary steel trestle should be erected in the river course of the Yellow River reservoir. The key and difficult points of the project are also concentrated on the construction of the steel trestle. In order to smoothly promote the construction of the steel trestle on the Yellow River Bridge, “And ” hanging method "piling technology construction. Xiaolangdi Reservoir Area where the Yellow River Grand Bridge is located, the water level is deep and perennial is changing, and some navigable vessels are in operation.