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在山区或重丘区修建高等级公路,可利用石方多,利用开山石料或其他弃方石料修筑填石路堤,其社会经济效益相当显著。但是填石路堤空隙率大,易产生沉降等不均匀变形,如何搞好填石路堤的施工、提高填石路堤的质量,是确保高速公路填石路堤强度和稳定性的关键。本文结合长深高速公路唐山段填石路堤的施工实际,从填料、机械、工艺、检测4个关键环节对填石路堤施工质量控制进行了探讨。
The construction of high-grade highways in mountainous or heavy hilly areas can make use of stonework and many other rock-fill embankments built by using rocky rocks or other abandoned stones, resulting in considerable social and economic benefits. However, the embankment with large rock embankment, easy to produce settlement and other non-uniform deformation, how to do a good job of embankment construction and improve the quality of rock embankment is to ensure the highway embankment strength and stability of the key. Based on the actual construction of rockfill embankment in Tangshan section of Changshen Expressway, this paper discusses the construction quality control of rockfill embankment from four key aspects of packing, machinery, technology and testing.