青溪
青溪-
县境北缘的青溪洞珍贵动物自然保护区，是广东省十大自然保护区之一。
County northern edge of the hole precious animals Qingxi Nature Reserve Nature Reserve in Guangdong Province , one of the top ten .
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以青溪大桥桥基岩溶洞穴围岩工程地质条件定性-半定量-定量分析为基础，在岩土自重和桩基的外附荷载作用下，对桥墩所在位置的溶洞顶板稳定性进行综合评价。
Based on the qualitative and quantitative analysis of engineering geology of karst cave wall rock under bridge foundation , the roof stability of karst cave was comprehensively evaluated under roof rock weight and pile foundation loading .