山西省长治市武乡县蟠龙大桥建于1985年,是武乡县砖蟠线仅有的一座大桥。随着社会的进步、经济的发展和运输交通的需要,对安全等级的要求不断提高,但与此同时,该桥却出现了不同程度的病害,为此,对该桥进行了改造施工。在施工过程中,对于如何确定卸载方案,如何合理选用卸载方法、机械、步骤,卸载过程测量监控等都是工程中的重点,通过对它们进行深入的分析,采取了有针对性的施工方法,使工程得以顺利完工。另外,对三七灰土施工工艺进行了比较详细的阐述。 Wulong County, Changzhi City, Shanxi Province Beaulieu Bridge was built in 1985, is the only bridge Wuxian brick line. With the progress of society, economic development and the need of transport and transportation, the requirements on the safety level have been continuously improved. However, at the same time, the bridge has suffered from varying degrees of disease. To this end, the bridge has been rebuilt. In the construction process, how to choose the unloading method, how to choose the unloading method reasonably, how to measure, measure and control the unloading process are all the key points in the project. Through the thorough analysis of them, we have taken the targeted construction method, So that the project can be successfully completed. In addition, the construction technology of Sanqi lime soil is described in more detail.