作为交通运输事业的重要组成部分,公路是国家建设的基础设施之一。公路作为工程构造物,长期暴露在大自然中,不断经受着各种自然因素的破坏。另外,随着经济的发展,交通运输量不断增加,致使公路时刻遭受磨损和破坏,其通过能力和承载能力都受到严峻考验。公路养护刻不容缓。公路养护的作业方法按作业形式大致可以分为:人工作业,混合作业和机械化作业。 As an important part of transportation, the highway is one of the infrastructure for the nation’s construction. Highway as a structural engineering, long-term exposure to nature, continue to suffer a variety of natural factors. In addition, with the development of economy, the traffic volume has been increasing, causing road wear and destruction at any moment, and its passing ability and carrying capacity have been severely tested. Highway maintenance without delay. Road maintenance methods of operation can be roughly divided into the form of operations: manual, mixed operations and mechanized operations.