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魏衍杰¹ ,  盛園園² ,  馬   超³

( 1 .  巨野縣水務事業發展中心 ， 山東 巨野 274900 ;

2.  山東省水文中心 ， 山東 濟南 250002 ;

3 . 水發規劃設計有限公司 ， 山東 濟南 250100)

摘   要 ：土壤水分特征曲線模型對瞬態非飽和滲流條件下的邊坡穩定性分析具有重要的理論意義與工程應 用價值 。通過水力特性試驗 ，確定了從高塑性黏土到淤泥質砂等不同土壤的土壤水分特征曲線 ，得出土壤質地 對土壤水分特征曲線模型的性能有較大影響 ；通過數值計算得出 VG 、K 和 FX 土壤水分特征曲線模型比 BC 和 E 土壤水分特征曲線模型更能代表所研究土壤樣本的土壤水分特征曲線 ，且土壤水分特征曲線模型的選擇對瞬態 滲流條件下邊坡穩定性分析的可預測性具有重要影響。

關鍵詞 ：瞬態滲流 ；水力特性 ；邊坡穩定 ；土壤水分特征曲線

中圖分類號 ：TD854. 7           

文獻標志碼 ：A            

文章編號 ：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

 

作者簡介 ：魏衍杰  ( 1969—) ,   男 ，本科 ， 高級工程師 ， 主要研究方向 ：水利工程規劃設計及建設管理。

通信作者 ：馬超  ( 1989—) ,   男 ，碩士 ， 高級工程師 ， 主要研究方向 ：水利工程規劃設計工作。

收稿日期 ：2023- 08-24