土壤压实曲线参数模型的对比研究  

Comparative Study of Soil Compaction Curve Parameter Models

作　　者：高照 景元书[1] 高晨 蒋一飞 贾仁浩 刘正国 张子杰 李晓鹏[2,4] 刘建立 GAO Zhao;JING Yuanshu;GAO Chen;JIANG Yifei;JIA Renhao;LIU Zhengguo;ZHANG Zijie;LI Xiaopeng;LIU Jianli(School of Ecology and Applied Meteorology,Nanjing University of Information Science and Technology,Nanjing 210044,China;Institute of Soil Science,Chinese Academy of Sciences,Nanjing 211135,China;University of Chinese Academy of Sciences,Beijing 100049,China;University of Chinese Academy of Sciences,Nanjing,Nanjing 211135,China)

机构地区：[1]南京信息工程大学生态与应用气象学院,南京210044 [2]中国科学院南京土壤研究所,南京211135 [3]中国科学院大学,北京100049 [4]中国科学院大学南京学院,南京211135

出　　处：《土壤》2025年第1期179-186,共8页Soils

基　　金：黑土地保护与利用科技创新工程专项(XDA28010401);国家重点研发计划项目(2023YFD1500304)资助。

摘　　要：为验证经验性土壤压实曲线参数模型的适用性,本文利用典型东北黑土的原状土和填装土室内单轴压缩试验数据,对比分析了10种土壤压实曲线参数模型的应用效果。结果表明,Fredlund-Xing、Logistic、Kosugi、Gompertz模型均能很好地拟合荷载压力-土壤孔隙比数据,其R^(2)均大于0.998,RMSE均小于0.004,可用于拟合土壤压实曲线。其中5参数的Fredlund-Xing模型效果最佳,R2>0.998,RMSE<0.003,推荐在实际研究中使用。研究结果可为土壤压实过程定量模拟和压实风险评估提供参考依据。In order to verify the applicability of the empirical soil compaction curve parameter model,the application effects of 10 soil compaction curve parameter models were compared and analyzed by using the indoor uniaxial compression test data of undisturbed soil and disturbed soil of typical black soil in Northeast China.The results showed that the Fredlund-Xing,Logistic,Kosugi and Gompertz models could fit the load pressure-soil void ratio data well,and their R^(2) were greater than 0.998 and RMSE were less than 0.004,which could be used to fit the soil compaction curve.Among them,the 5-parameter Fredlund-Xing model had the best effect,with R_(2)>0.998 and RMSE<0.003.It is recommended for use in practical research.The results of this study can provide a reference for the quantitative simulation of soil compaction process and compaction risk assessment.

关 键 词：土壤 压实曲线 参数模型 模型评价 

分 类 号：S152.5[农业科学—土壤学] S152.9[农业科学—农业基础科学]