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当前位置:首页 > 行业资料 > 国内外标准规范 > 强夯_排水板联合加固河漫滩吹填料场地基的试验研究与应用
44120141BuildingStructureVol.44No.1Jan.2014-430080-。、、、CPT。-。TU47A1002-848X201401-0092-06Experimentalstudyandapplicationofcombinationconsolidationofdynamicconsolidationanddrainageplateinfloodplainblow-fillfoundationHuangTaoPengDianhuaWuhanSurveying-GeotechnicalResearchInstituteCo.Ltd.ofMCCWuhan430080ChinaAbstractBasedoncombinationconsolidationmechanismofdynamicconsolidationanddrainageplatedynamiccompactiontestswereconductedwithdifferentpowerlevelsunderconditionswithorwithoutplasticdrainageplateinsertedinfloodplainblow-fillfoundationofapracticalengineeringprojectlocatedinmiddleandlowerreachesofYangtzeRiver.ExcessporewaterpressuredynamicconsolidationnumbersrammingvolumeCPTandfakwereanalyzedbyteststoobtainaseriesofparametersindynamicconsolidation.Basedonaboveparameterstheoriginaldesignschemewascomplementedandoptimizedaccordinglywhichisappliedintherarematerialfoundationtreatment.Thepracticalapplicationofengineeringshowsthatfoundationtreatmentbythecombinationsmeansofdynamicconsolidationanddrainageplatemakethefloodplainblow-fillfoundationmeettherequirementsofpreliminarystockpilingandensuretheminestoragetoreachthestockpilinggoalfinally.Combinationconsolidationofdynamicconsolidationanddrainageplateisascientificandeconomicfoundationtreatmentmethod.Keywordsdynamicconsolidationplasticdrainageplatefloodplainblow-fillfoundationeffectivereinforcementdepthshallowplatestaticloadtestexcessporewaterpressureEmailhuangtao0815@126.com。0。1。。、2。。。15.11~7.83m。1。25m254441.-1/m0.55~5.55fak=100kPa①0.50~2.30fak=110kPa②10.35~5.75fak=100kPa②20.45~4.90fak=140kPa②30.30~5.85fak=85kPa②40.45~6.45fak=140kPa③10.45~4.70fak=90kPa③20.35~5.70~fak=180kPa③30.40~2.45fak=100kPa④10.65~6.55fak=200kPa④21.25~8.05~fak=220kPa。140kPa。300kPa。。22.11#2#ABC25m×25m24m。3-521。2/kN·m/t/m/m/mA100017.62.47.38.0×8.0150017.62.48.58.0×8.01+2+1B150017.62.48.58.0×8.0300017.62.417.08.0×8.02+1C150017.62.48.58.0×8.0180017.62.410.28.0×8.02+112+121000kN·m1/43“2”2“1”1。BCA。1A。17.5m1000mm。1、。23。2.275kW。ABC。1000kN·mAY13#、1500kN·mBY13#、1800kN·mCY13#3000kN·mBE12#。BC0.5m23920141。33.12.5mΔU2。21000kN·m1.0m5.5m1500kN·m1800kN·m21.5m8.0m3000kN·m21.5m6.5m2d5.5mΔU2c10.0m。61500kN·m6。。23。31000kN·m10m6ΔU9.33kPa1500kN·m12m1~44ΔU12.71kPa1800kN·m13.5m7ΔU10.83kPa3000kN·m13.5m6ΔU21.68kPa。ΔU4.5~6.0m4.5m≤3000kN·m。343ΔU4、31000kN·m650cm4~51500kN·m1800kN·m670~49441.-90cm53000kN·m690cm5~6。/cm3/kN·m1234561000148765.521422293540.542.5150021141398721354857657218002615910121126415060728330003024211311630547588991051800kN·m76cm89cm。3.2A65。5A51000kN·mΔU4.5m18.5kPa7.5m0.65kPa14hΔU。21500kN·mΔU4.5m17.05kPa7.5m0.98kPa15.5hΔU1.95kPa17.05×20%=3.41kPa15.5hΔU80%。BC0.5m667。61500kN·mΔU4.5m14.9kPa6.0mΔU3.5kPa13.5m16hΔU。3000kN·mΔU4.5m18.78kPa6.0mΔU4.5kPa13.5m。15hΔU。6B7C56A1500kN·mΔU17.05kPa16hΔU80%B1500kN·mΔU14.9kPa16hΔU。、。71500kN·mΔU6.0m14.63kPa7.5mΔU4.0kPa13.5m13.5hΔUΔU。1800kN·mΔU6.0m15.5kPa7.5mΔU3.0kPa13.5m13.5hΔU0.6kPa15.5×20%=3.1kPa13.5hΔU80%。5~71500kN·mA7.5mΔU0.65kPaBC6.0m7.5m13.5m3.5~4.0kPa。4512。453610cmA、BC59201414/cm2/cm/cm/kN·mA46.85.215.01000B74.07.322.01500C76.58.025.01500。25/cm2/cm/cm/kN·mA54.77.330.01500B96.49.450.03000C67.87.835.018000.450.720.60m。3.3A、BCCPT。8~10A~CCPT67BCCPT。8ACPT9BCPT10CCPTBCPT6fs/kPafs/kPafs/%qc/MPaqc/MPaqc/%7.5646.925211.878.37348①46.5193.761021.945.49183②227.2742.07542.834.2650②323.3440.24723.235.5973②434.1943.10264.465.7429CCPT7fs/kPafs/kPafs/%qc/MPaqc/MPaqc/%19.7957.001881.686.49286①31.2249.40581.912.2819②250.2264.39284.204.9317②328.7334.44202.963.9734②431.3131.330.063.683.68018A4.5mCPT16.48kPa47.79kPa190%CPT2.2MPa7.07MPa212%。。91067BC、①、②2、②3②4。CPT50%B②410mC②25.0m。B10m3000kN·mCBC。20.56m2、10。11P-S8。11898kPa43%57%57%140kPa。P-S。8/kPa/mm/kPa/mm986.9019613.68A1407.6228018.33B1548.3130820.79C1548.4730821.733.4CPT369441.-11P-S。29Menardα0.440.450.450.46。/m9/kN·m1000150018003000356785~766A8B7C8.5138~104.54.5~551055.567—55.568“6A”A6m。411000150018003000kN·m5.58810m8m。21000kN·m4~5150018003000kN·m5~6。313~16h。4140kPa。B。5ΔU、CPT。1MENARDLBROISEY.TheoreticalandpracticalaspectsofdynamicconsolidationJ.JournalofGeotechnicalEngineering19752513-18.2.J.200623510-516.3JGJ79—2002S.2002.4GB50007—2002S.2002.5CECS279∶2010S.2010.HeydarAliyev·HeydarAliyev57519m2111292m2。、。。。。。。MERO。。。zaha-hadidDomeofVisionsDomeofVisions。、、、、、。。。、。。79
本文标题:强夯_排水板联合加固河漫滩吹填料场地基的试验研究与应用
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