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本文针对黄延高速公路扩能工程高边坡多台阶路堑开挖施工论述了采用移动GPS-RTK测量放样技术进行开挖边坡放样,并采用坡度尺进行边坡坡度校核,很好地解决了多台阶路堑开挖时容易出现超挖导致的浪费,或因欠挖路基宽度不够引起的返工现象,保证了路堑开挖质量,加快了施工进度。
In this paper, aiming at the multi-step cutting excavation construction of high slope in Huang-Yan Expressway expansion project, the application of mobile GPS-RTK measurement stakeout technique to excavate the slope, The multi-level cutting excavation prone to over-waste caused by waste, or due to insufficient width of under-excavation caused by the rework phenomenon to ensure the quality of cutting excavation and speed up the construction schedule.