GUANGDONGARCHITECTURECIVILENGINEERING201344APR2013No.4(510010):,,;;,。:;;;ExamplesandAnalysisoftheSolutionofFoundationPitConstructionZhuAiguo(TheArchitecturalDesignandResearchInstituteofGuangdongProvinceGuangzhou510010,China)Abstract:Thispaperanalyzesthecommonproblemsandcorrespondingsolutionsoffewexcavationexamples.Itincludesthepitemer-gencyreinforcementmeasuresofsupportingstructurewithlocaloverallslipindeepsiltlayer;themeasurementtoreducewaterandsandgushingduringtheanchorintotheholeoftheprestressthatbelowthewatertableanddeepinthesand;analysisandsolutionofthedi-aphragmwallofthebasementwallthatintroversionexposedtendons,forreference.Keywords:deepsoftsoil;rescueandreinforcement;waterandsandgushing;diaphragmwallconcretecover1,1~2m,40~50m、,。,、、,、,。,,。2、2.1(),,,1。,,,,10cm,,。⑴,,,20m,25m,20m,f50017700250010850180002000046001600850087003500520023400810012432f1200@1400f8009200300023001900280082609006500430067001750012000115°2:APR2013No.42013442m,,1.5m,,,。⑵,(1m)F=Gm,G1m,18kNm3,20m、1.5m540kN;m,0.3()。162kN。,,g=1.1,180kN。,1f800@1600,3m,800×800,11.6m。,,,1m5m。1.5m,,。,350kN,10mm。2.2,50m,,,,,2。,,、。,,。:①,;②();③[1],,,3。,,,、、,、、。,,,,,。,。,,6~7m,,,4~5m。,,,10mm。,,1m,,。,,,,。25480080001220023001000890062001600490010009900ZK42APR2013No.42013442.3,。,。,,+1,4。,,,;,。10cm,。,,,。⑵,,,,,10m,。,,。,,,。,、,。,。,,,,,,。,、。,,,,,。,,,,,。,,,0。,,,,200mm。33.1(),,。3.2,,,。(32)26APR2013No.42013443.35、、、,。,,,。,,,,,。,,,。,。,,,。,,,。,,,,,。,,,,。4,:⑴,,,。⑵,,,。⑶,,,。⑷,,。[1],.[J].,2002(5)訳-50-40-300-10-2010203009-0710-0711-0612-0601-0502-04kPakPa(5kPa)5訴(5kPa)-50-40-300-10-20102030kPakPa09-0710-0711-0612-0601-0502-043.3,;,。,,,,,、,。[1]JGJ120-99[S][2]DBJ15-60-2008[S][3]SJG05-2011()[S]!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(26)32