广东地区公路路基含水率动态变化研究

Study on dynamic change of Highway ground water content in Guangdong region

为了研究广东省地区路基内部含水率变化,采用SEEP/W软件,来模拟降雨强度、压实度、地下水位对路基内部含水率的影响,并结合广东省某高速公路路基现场检测,进行综合分析研究。试验结果表明:路基内部土壤动态含水率受降雨强度和压实度的影响显著,受地下水位的影响不明显,含水率与降雨强度成正比,与压实度、地下水位成反比。通过现场检测可知,不同季节条件和不同深度下,路基内部含水率有显著差异性和时效性。

In order to study the change of water content inside subgrade in Guangdong Province, SEEP/W software was used to simulate the influence of rainfall intensity, compaction degree and groundwater level on the internal moisture content of subgrade, combined with on - site inspection of a highway subgrade in Guangdong Province, acomprehensive analysis and study was conducted. The test resuits show that the dynamic soil moisture content within the subgrade is significantly affected by the rainfall intensity and compaction degree, not significantly affected by the groundwater level, the water content is directly proportional to the rainfall intensity, and in versely proportional to the compaction degree and groundwater level. Through on - site inspection, it can be seen that under different season conditions and different depths, the internal moisture content of the subgrade has significant differences and timeliness.