Taking the investigation design in goaf of Laibin to Mashan highway as an example,and combined with its geological characteristics,the article introduces the main method to do investigation in goaf area and discusses the design method and countermeasures,which provides reference to related projects.%文章以来宾至马山高速公路采空区勘察设计为例,结合勘察区工程地质条件的特点,介绍了采空区勘察的主要手段,探讨了采空区勘察设计方法和处治措施,为类似工程的勘察设计提供参考。
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