Mined-out region, as a difficult geotechnical problem, has been encountered in the construction of highway recently.
采空塌陷区处治技术是矿区高速公路建设的技术难题之一。
Combined with the treatment example of some expressway tunnel crossing mined-out region, the paper analyzed and evaluated its treatment effects.
以某高速公路隧道穿越煤矿采空区的处治为实例，对该工程的处治效果予以分析并评价。
Combined with the treatment example of some expressway tunnel crossing mined-out region, the paper analyzed and evaluated its treatment effects.
以某高速公路隧道穿越煤矿采空区的处治为实例，对该工程的处治效果予以分析并评价。
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