结合工程实例,研究了利用道岔三维定位结合大机捣固整治岔区技术,介绍了定位桩的布设方式以及捣固前的准备工作,着重探索了前期三维测量及工作量标注、复测等工作要点,总结了测量和施工中的注意事项,达到了良好的施工效果。 Combined with engineering examples, this paper studied the technology of using turnout three-dimensional positioning combined with large-scale tamping to improve turnout area, introduced the layout of positioning pile and the preparation work before tamping, and focused on the preliminary three-dimensional measurement and workload annotation and retesting Points, summed up the measurement and construction of the attention to achieve a good construction effect.