交通与土木工程河南科技HenanScienceandTechnology总第799期第5期2023年3月电渗联合堆载预压及化学法加速淤筑土固结的试验研究桂书润1王龙嘉2班子越3赵飞燕1徐欣1(1.华北水利水电大学,河南郑州450046;2.河南新田置业有限公司,河南郑州450002;3.同济大学,上海200092)摘要:【目的目的】电渗法是通过在土体中施加低压直流电来加速排水固结的处理方法。在电场中,液体在外加电场的影响下通过膜的运动称为电渗。【方法方法】鉴于电渗法的特点,它通常联合堆载预压法、真空预压法和化学法共同使用来治理软黏土,本研究对黄河范县段的淤筑土采用单独电渗法、电渗联合堆载预压法、电渗联合化学法的比较试验,通过累积排水量、含水率、抗剪强度、能耗等结果来对比三种方法的效果。【结果结果】与未施加电渗法的三组对照试验相比,电渗试验无论是排水速率还是累计排水量相比于传统单一的方法都有了明显的提升,电渗联合堆载预压法处理后土样的强度最高。【结论结论】在各种方法当中电渗联合堆载预压法的提升效果最为明显。关键词:电渗法;固结速率;堆载预压法;排水量中图分类号:TU44文献标志码:A文章编号:1003-5168(2023)05-0086-05DOI:10.19968/j.cnki.hnkj.1003-5168.2023.05.017ExperimentalStudyonAcceleratedConsolidationofSiltyClaybyCombinedElectro-OsmoticbothPre-LoadingandChemicalMethodofMoundLoadGUIShurun1WANGLongjia2BANZiyue3ZHAOFeiyan1XUXin1(1.NorthChinaUniversityofWaterResourcesandElectricPower,Zhengzhou450046,China;2.HenanXintianRealEstateCo.,Ltd.,Zhengzhou450002,China;3.TongjiUniversity,Shanghai200092,China)Abstract:[Purposes]Electroosmosisisatreatmentmethodtoacceleratedrainageconsolidationbyapply⁃inglow-voltagedirectcurrentinthesoil.Intheelectricfield,themovementofliquidthroughthemem⁃braneundertheinfluenceoftheappliedelectricfieldiscalledelectroosmosis.[Methods]Inviewofthecharacteristicsofelectro-osmosis,itisusuallyusedincombinationwithstackpre-pressuremethod,vacuumpre-pressuremethodandchemicalmethodtotreatsoftclaysoil.Inthisstudy,comparativetestsofelectro-osmosisalone,electro-osmosiscombinedwithstackpre-pressuremethodandelectro-osmosiscombinedwithchemicalmethodwereconductedonthesiltationsoilofFanxiansectionofYel⁃lowRivertocomparethe...