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魏衍杰¹ ,  盛园园² ,  马   超³

( 1 .  巨野县水务事业发展中心 ， 山东 巨野 274900 ;

2.  山东省水文中心 ， 山东 济南 250002 ;

3 . 水发规划设计有限公司 ， 山东 济南 250100)

摘   要 ：土壤水分特征曲线模型对瞬态非饱和渗流条件下的边坡稳定性分析具有重要的理论意义与工程应 用价值 。通过水力特性试验 ，确定了从高塑性黏土到淤泥质砂等不同土壤的土壤水分特征曲线 ，得出土壤质地 对土壤水分特征曲线模型的性能有较大影响 ；通过数值计算得出 VG 、K 和 FX 土壤水分特征曲线模型比 BC 和 E 土壤水分特征曲线模型更能代表所研究土壤样本的土壤水分特征曲线 ，且土壤水分特征曲线模型的选择对瞬态 渗流条件下边坡稳定性分析的可预测性具有重要影响。

关键词 ：瞬态渗流 ；水力特性 ；边坡稳定 ；土壤水分特征曲线

中图分类号 ：TD854. 7           

文献标志码 ：A            

文章编号 ：1005- 8249  (2024)   01- 0088- 05

DOI : 10. 19860/j . cnki . issn1005- 8249. 2024. 01 . 016

 

WEI Yanjie ¹  ,  SHENG Yuanyuan² ,   MA  Chao³

( 1 . Water Development  Center of Juye ,  Juye 274900 ,   China;

2. Hydrological Center of Shandong Province ,  Jinan 250002 ,   China;

3 . Shuifa Planning & Design Co. ，Ltd. ，Jinan 250100 ,   China)

Abstract: The soil moisture characteristic curve model has important theoretical significance and engineering application value for slope stability analysis under transient unsaturated seepage conditions. The soil moisture characteristic curves of different soils from high plasticity clay to silty sand are determined by hydraulic property tests, and it is concluded that soil texture has a greater influence on the performance of the soil moisture characteristic curve model; through numerical calculation, it is concluded that the soil moisture characteristic curve models of VG, K and FX are more representative of the soil moisture characteristic curves of the studied soil samples than the soil moisture characteristic curve models of BC and E, and the choice of soil moisture characteristic curve model has a greater influence on the stability analysis of slopes under transient unsaturated seepage conditions. The choice of soil moisture characteristic curve model has an important influence on the predictability of slope stability analysis under transient seepage conditions.

Keywords: transient seepage; hydraulic properties; slope stability; soil moisture characteristic curve

 

作者简介 ：魏衍杰  ( 1969—) ,   男 ，本科 ， 高级工程师 ， 主要研究方向 ：水利工程规划设计及建设管理。

通信作者 ：马超  ( 1989—) ,   男 ，硕士 ， 高级工程师 ， 主要研究方向 ：水利工程规划设计工作。

收稿日期 ：2023- 08-24