Page 19 - 2024年第55卷第11期
P. 19

[28] 魏永新,赵顾尧,庹晓军,等.基于模糊 C均值聚类的振冲碎石桩加固地层识别 [J].长江科学院院报,
                      2023,40(5):111 - 117.
                [29] 张伟,王国阳,张少华,等.复杂地层中振冲碎石桩施工关键技术探讨[J].科技通报,2022,38(9):72 - 80.
                [30] HAERHENGA,CHENGJ,PANJ,etal.Studyonslopestabilityandreinforcementmeasuresofanearth - rock
                       cofferdam ondeepoverburdenfoundation [J].IOPConferenceSeries:EarthandEnvironmentalScience,2019,
                      218(1):012004.
                [31] 刘强,卢伟,李晓力,等.超深振冲碎石桩加固 处 理 深 厚 覆 盖 层 围 堰 堰 基 应 用 研 究 [J].水 利 水 电 快 报,
                      2022,43(4):90 - 95.
                [32] 臧成新,张广彪.质量管理监控系统在振冲碎石桩质量控制中的应用[C]??中国水利学会地基与基础工程
                       专业委员会.2021水利水电地基与基础工程技术创新与发展.2021.
                [33] 韩克文.淤泥质土地基振冲碎石桩处理施工工艺分析[J].安徽建筑,2021,28(2):111 - 112,115.
                [34] 刘彪,赵宇飞,陈祖煜,等.基于碾压波速的堆石坝压实质量实时监测指标的研究[J].中国水利水电科
                       学研究院学报(中英文),2022,20(1):20 - 29.
                [35] 李文旭,陈祖煜,唐春安,等.基于信号时频特征的微震波形识别在岩爆预测中的应用[J].中国水利水
                       电科学研究院学报(中英文),2022,20(6):523 - 531,556.
                [36] LIT,MENGJ,ZHANGQ,etal.Studyonvibro - replacementstonecolumntestforsoftsoilfoundation[J].Ap
                       pliedMechanicsandMaterials,2014,3082(543?547):3982 - 3985.
                [37] 胡奎,赵嘉伟,王思瑞,等.振冲 碎 石 桩 在 斗 门 水 库 坝 基 处 理 中 的 应 用 研 究 [J].安 徽 建 筑,2021,28
                       (11):145 - 146.



                        Analysisandresearchontechnicalparametersofhigh - powervibro - vibration
                                     reinforcementforultra - deepsoftsoilfoundation

                                                           3
                                             1
                                                                          3
                               1,2
                                                                                       2
                    CHENZuyu ,HUMingtao,WEIYongxin,TIANYinghui,ZHAOYufei,HUMinyun                   2
                   (1.StateKeyLaboratoryofEco - HydraulicsinNorthwestAridRegion,Xi’anUniversityofTechnology,Xi’an 710048,China;
                         2.StateKeyLaboratoryofBasinWaterCycleSimulationandRegulation,ChinaInstituteofWaterResourcesand
                                             HydropowerResearch,Beijing 100048,China;
                             3.HuadianJinshaRiverUpstreamHydropowerDevelopmentCo.,Ltd.,Chengdu 610020,China)
                  Abstract:ThecofferdamintheupperreachesofLawaHydropowerStationis60mhighanditsfoundationiscom
                  posedoflowliquidlimitclayandsiltysoillayersabout50mthickdepositedbybarrierlakesediments.Inorderto
                  ensurethesafetyandreliabilityofcofferdamconstruction ,itisnecessarytostrengthenthedeepsoftsoilfoundation
                  byutilizingvibro - replacementcolumns.Basedon158millionmeasureddatacollectedbytheremoteconstruction
                  controlplatformoftheInternetofThings,thisstudyestimatedthevolumereplacementrateandcolumndiameterof
                  thevibriocrushedstonecolumn ,andinitiallyevaluatedthereinforcementeffectofthecompositefoundationofthe
                  vibriocrushedstonecolumn.Theresultsshowthatthecolumnspacinghasasignificanteffectonthevolumere
                  placementrate.Whenthespacingis2.5m ,theaveragecolumndiameteris1.16m andthevolumereplacement
                  rateis15.10%.Whenthespacingis3.0m ,theaveragecolumndiameteris1.09m,andthevolumereplacement
                  rateis10.87%.Thestudyalsofoundthatthehardnessofthestratumandthelevelofconstructionoperationwillaf
                  fectthediameterofthecolumn,andlocaldiameterreductioniseasytooccurattheweakinterlayer.Thelengthof
                  theencryptionsectionshouldbestrictlycontrolledwithintherangeof0.5 - 1.0m,andtheencryptioncurrentand
                  vibrationretentiontimeshouldbecontrolledtomeettheconstructionstandards.Basedontheapplicationofintelli
                  gentconstructionmonitoringsystem ,thisstudyprovidespreliminaryresultsofscientificdemonstrationforthequali
                  tycontrolanddetectionofvibro - replacementstonecolumnreinforcementtreatmentondeepsoftsoilfoundationand
                  comprehensiveevaluationofthereinforcementeffectofcompositefoundation,andcanprovidereferenceforthere
                  inforcementdesignofvibro - replacementstonecolumn.
                  Keywords:deepcoveringlayer;vibro - replacementstonecolumn;IOTremoteconstructioncontrol;encryption
                  current ;replacementrate;columndiameter;qualityeffectevaluation

                                                                                    (责任编辑:李 娜)

                                                                                                   2
                                                                                              —   1 8 5 —
   14   15   16   17   18   19   20   21   22   23   24