甘肃省红层泥岩地区公路路基沉降观测方案研究

Study on highway subgrade settlement observation scheme in red mudstone area of Gansu Province

甘肃红层因其沉积时特殊的地质环境和气候条件,形成了其成岩差、水敏感性强和易受后生改造的特性,在有水参与的情况下,易造成路基沉陷、边坡崩塌、剥落等病害。本文结合路基无损检测技术和智能竖向位移变形观测系统,提出红层泥岩地区公路路基沉降观测方案。

Because of its special geological environment and climate conditions, the red beds in Gansu formed their characteristics of poor diagenesis, strong sensitivity to water and susceptible to post growing transformation. Under the condition of water participation, it is easy to build subgrade subsidence, slope collapse and spalling and other diseases. Based on the subgrade nondestructive testing technology and the intelligent vertical displacement deformation observation system, the settlement observation scheme of the road subgrade in the red mudstone area is proposed in this paper.