支架荷载试验是保证桥梁工程施工安全及消除支架非弹性变形的一个重要措施,文章结合贵州平寨大桥实际施工中所采用的荷载实验方法对桥梁施工中常采用的沙袋预压法、水箱预压法、地锚法、混合法四种支架荷载试验进行了综合论述比较,重点介绍了混合法支架荷试验的方法和步骤,该方法在高支架预压过程中与其他方法相比具有安全、快速、经济的特点,可供类似工程参考。 Bracket load test is an important measure to ensure the construction safety of bridges and to eliminate the inelastic deformation of brackets. Combined with the load test method used in the actual construction of Pingzhai Bridge in Guizhou Province, the sand bag preloading method, tank preloading method , Ground anchorage method and hybrid method. The methods and steps of mixed load stent test are introduced emphatically. The method has the advantages of safe, fast, easy and safe compared with other methods in the process of high stent preloading, Economic characteristics, for similar projects for reference.