水利工程堤防施工关键技术应用探析  

Analysis on the Application of Key Technologies in the Construction of Hydraulic Engineering Embankments

作　　者：柳志 Liu Zhi(Zhejiang First Hydropower Construction Group Co.,Ltd.,Hangzhou,China)

机构地区：[1]浙江省第一水电建设集团股份有限公司,浙江杭州

出　　处：《科学技术创新》2025年第11期152-155,共4页Scientific and Technological Innovation

摘　　要：为有效解决软土地质条件下水利工程堤防填筑过程中自身和地基的大变形,研究采用理论计算和现场实测的方法,对比分析了真空堆载联合预压加固处理后地基的沉降变形,并基于SDG密度仪对堤防的密实度进行快速检测。结果表明,在整个真空堆载联合预压过程中,实测沉降值与理论计算值的变化趋势均呈现非线性单调增加,并趋于收敛的规律,收敛时间为60 d,趋于收敛的实测沉降值为741 mm,而预测值则为778 mm;SDG200型土壤密度仪与环刀法测试压实度、天然密度具有较好的一致性,压实度的偏差范围为-2.14%~1.70%、天然密度的偏差范围为-0.65%~1.10%。In order to effectively solve the large deformation of itself and the foundation during the filling process of hydraulic engineering embankments under soft soil geological conditions,theoretical calculations and on-site measurements were used to compare and analyze the settlement deformation of the foundation after vacuum loading combined with preloading reinforcement treatment.The compactness of the embankment was quickly detected based on SDG density meter.The results showed that during the entire vacuum pile load joint preloading process,the measured settlement values and theoretical calculation values showed a non-linear and monotonic increase trend,and tended to converge.The convergence time was 60 days,and the measured settlement value that tended to converge was 741 mm,while the predicted value was 778 mm;The SDG200 soil density meter has good consistency with the ring knife method for testing compaction and natural density,with a deviation range of-2.14%to 1.70%for compaction and-0.65%to 1.10%for natural density.

关 键 词：水利工程 堤防 软土地基处理 压实度快速检测 控制效果 沉降曲线 理论计算 

分 类 号：TV871.1[水利工程—水利水电工程]