Page 180 - 《水资源与水工程学报》2023年第1期
P. 180

!34 " ! 1 #                       & ' ( ) & * + , -                               Vol.34No.1
               2023 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2023

            DOI:10.11705/j.issn.1672-643X.2023.01.21


                       zÝ÷{û{…Z:`={V€RS


                                       1         1         2          1         2       2
                                ¹˜H , ºm6 , }»¼ , 4»½ , ‚¾  , Z ¿
                           (1. ·Ä2ê"øó1ÄÁ<)ùÍ<, ¹§ /¢ 610041;2. ‚8121Ä*e+^l
                                       Sq1JVNXsÂ89:;}~, ðñ 100048)

                 A B: è«SíÐ$€ÌÚuP|Mu„^\*), Z%MÚ-5:P, SíÐ|$/ÐË&Âý.ƒ£
                 ™。ŒSíЖj¤Oj–jjô™½„ˆø, *\è«SíÐ/Ð%», „…D„ÂI@Átÿè«SíÐ
                 /{ê{、 á!、 è«Bþ]OP/ÐË&N, ¦·¸Ð|56+^。ÃijÅ: MãSD„I¥¦ÍFuN
                 è«Ë&‚Sí–j¤:2SÞ, žmn5ÿSífj¤Ë€Me; ìèË&‚, Sí–ûþ)…‹j¤{
                 ½Ðˆ‰Û9, ³Åè«SíÐÌЅj¤)ÅǍBþo; D„ÂI@¥¦N5SíXj¤:2o, ¦
                 ýÐ|–Ð.³+5òÞ´, X•ÎÍú6Áµ@:Ó¢„á%&}"。
                 CDE: è«SíÐ; /ÐË&; Ð|; D„ÂI@; u„^\
                 FGHIJ:TV553;TU753.3   KLMNO:A    KPQJ:1672643X(2023)01017605

                                    Formingprocesssimulationanddiameter
                                     predictionofvibroflotationgravelpiles

                                                           2
                                                                         1
                                            1
                             1
                                                                                                       2
                                                                                       2
                 WEIYongxin,TUOXiaojun,CAORuilang,HERuiliang,ZHAOYufei,ZHANGQiang
                         (1.HuadianJinshaRiverUpstreamHydropowerDevelopmentCo.,Ltd.,Chengdu610041,China;
                            2.StatekeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,China
                                InstituteofWaterResourcesandHydropowerResearch ,Beijing100048,China)
                 Abstract:Asaneconomicandpracticalfoundationtreatmentmethod,vibroflotationgravelpilesarespe
                 ciallydesignedforweakstrata ,thequalitycontrolofwhichareofgreatsignificance,andthediameterof
                 thegravelpileisoneofthecoreelementsofthecontrolofpileformingprocess.Basedonthecalibration
                 ofmacroscopicandmesoscopicparametersofthegravelpileandsoil ,thepileformingprocessofthevi
                 broflotationgravelpileisanalyzedandthemainpileformingprocesses,suchasholeformingandclean
                 ing ,fillingandvibroflotationcompactionaresimulatedusingthediscreteelementmethod.Inthemean
                 time ,thepilediameterpredictioniscarriedout.Theresultsshowthattheparticleflowdiscreteelement
                 cansimulatetheflowbetweenthegravelandsoilintheprocessofvibroflotation,andthemodelreflects
                 theactualtransitioninterfacebetweengravelandsoil;intheprocessofretainingvibration,theporosityof
                 thesoilaroundthegravelanddensifiedsectiondecreasesgradually,indicatingthatthevibroflotation
                 gravelpilehasanobviouscompactioneffectonthesoilaroundthepile ;becausethediscreteelement
                 methodcansimulatetheinteractionbetweenthegravelandsoil ,thecalculatedfluctuationofpilediame
                 terandpileshapeismorereasonablethanthatofthecalculationmethodofconventionalformulas.
                 Keywords:vibroflotationgravelpile;pileformingprocess;pilediameter;discreteelementmethod;
                 foundationtreatment






                !"#$:20220623; %&#$:20221002
                '()*: 89œ*e„2./(52079150)
                +,-.: Âï?(1973-), b, K(?›E, eG, IJÌÉÌ%&N, +^µf¾121Ä%&。
                /0+,: µ«³(1986-), b, '(…ªE, FG, ÉÌ%&N, +^µf¾<jÄeX%&。
   175   176   177   178   179   180   181   182   183   184   185