【摘要】 针对西部黄土地区暗穴的发育对公路建设和安全运营的危害,对暗穴的分布规律、发育形态、破坏机制等进行了归纳与研究,总结了黄土洞穴对公路危害的一般特点,提出了一些确定顶板临界厚度的方法。更多还原

【Abstract】 Based on the problem that building and transporiation of the highway are seriously threatened with the development of the hidden caves in the western loess area,the developed configuration of hidden caves were concluded and researched,the general features of the damages caused by caves in loess region are summarized.Several methods defining the critical thickness of the roof were proposed.更多还原