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赵仲珩,陈志坚.基于监测数据的硬质岩路堑边坡地下水分布特征与防渗效果评价[J].河北工程大学自然版,2022,(2):59-63,79
基于监测数据的硬质岩路堑边坡地下水分布特征与防渗效果评价
Evaluation of Underground Water Distribution Characteristics and Seepage Prevention Effect of Hard Rock Cutting Slope Based on Monitoring Data
投稿时间:2022-01-26  
DOI:10.3969/j.issn.1673-9469.2022.02.009
中文关键词:  硬质岩  路堑边坡  地下水监测  边坡稳定性
英文关键词:hard rock  cutting slope  groundwater monitoring  slope stability
基金项目:江苏省政策引导类计划项目(BY2015002-05)
作者单位
赵仲珩 河海大学 地球科学与工程学院, 江苏 南京 211100 
陈志坚 河海大学 地球科学与工程学院, 江苏 南京 211100 
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全文下载次数: 114
中文摘要:
      针对地下水影响岩质边坡的安全稳定的问题,以开挖深度约200 m的连云港中云台山路堑边坡左坡为研究对象,通过计算分析地下水监测数据,对路堑边坡左坡的地下水分布开展研究并评价开挖坡面细石混凝土喷层的截渗效果。结果表明,边坡地下水补给来源为降雨入渗,边坡南端废弃采石场为主要排泄区;埋设渗压计的四个平台间存在较强水力联系;渗流量高的区域细石混凝土喷层老化破损比其他区域高,但整体上细石混凝土喷层的截渗效果较好。
英文摘要:
      In view of the influence of groundwater on the safety and stability of rock slope, taking the left cutting slope with excavation depth of about 200 m of zhongyuntai mountain, Lianyungang as the research object, the groundwater distribution on the slope was studied and the seepage interception effect of fine aggregate concrete spray layer on the excavated slope was evaluated through calculation and analysis of groundwater monitoring data. The results show that the groundwater supply source of the slope is rainfall infiltration and the abandoned quarry at the south end of the slope is the main discharge area. There is a strong hydraulic connection between the four platforms where the osmometer is embedded. The aging damage of the fine aggregate concrete spraying layer in the area with high seepage flow is higher than that in other areas, but on the whole, the seepage interception effect of the fine aggregate concrete spraying layer is better.
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