Bridge pile foundation construction method

The invention discloses a bridge pile foundation construction method. The method comprises the following steps that 1, survey and setting-out are carried out, particularly, a total station instrumentis adopted for pile foundation construction setting-out, a construction site is practically surveyed, soil in the construction site is collected for experimental analysis, soil ingredients are determined, the depth and position of a pile foundation are determined according to the hardnesses of soil in different depths, the whole construction process is simulated on a computer according to the practical survey data and the experimental data, and preset values are obtained; and 2, site formation is carried out, particularly, a construction machine is used for site formation, impurities on the needed construction site are removed after site formation, and the site is filled with soft soil and rammed to be compact to be used as drilling machine construction platform, and a drilling machine ismoved to the construction method. The whole construction process is simulated on the computer in advance through practical survey and experiments, the preset values are obtained, construction is carried out according to the preset values, errors in the construction process can be conveniently processed in time, and construction quality is ensured.