高速公路工程建设项目具有投资大、建设工期长、施工难度大、技术复杂以及工程参与方众多的特点,既是材料、设备、工艺、技术方案、实施方法、施工手段的集成,又是观念、责任、经验和科学管理的综合体现。在建设过程中不可预见的因素较多,因此工 Expressway construction projects have the characteristics of large investment, long construction period, large construction difficulty, complex technology and many project participants. They are not only the integration of materials, equipment, technology, technical solutions, implementation methods and construction methods, but also the concepts and responsibilities , A combination of experience and scientific management. In the process of building more unforeseen factors, therefore workers