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1()N1(m)cq(kPa)jq(°)fak(kPa)〈1-1〉(Qml)4.0~11.2----200〈2-2〉(Q4m+al)2.10~9.219.062.1465〈2-4〉(Q4m+al)1.8~17.140.964.83160〈2-11〉(Q4m+al)1.0~5.3----200〈3-1〉(Q4el)1.9~14.525.6513.67220〈4-1〉(γ53)1.6~13.528.8025.20300〈4-2〉(γ53)2.7~15.632.5725.17500GUANGDONGARCHITECTURECIVILENGINEERING201333MAR2013No.31,,,,。5.1m,,,,5.1m。424,2,80m,2。,193m,60m,477m,10973m2,9.9m,。1。2,,,。-2.17m~0.16m,,,TheDeepFoundationPitConstructionTechnologyofHengyuCityGardenFirstPhaseProjectXiaoChangrong(GuangdongFoundationEngineeringCompanyGuangzhou510620)Abstract:Hengyucitygardenprojectexcavationdepthislargerandlocatedinthecitycenter,surroundinglandshortageoffoundationpitexcavationlineisnearthesurroundingmunicipalroad.Thisprojectusesthesupportingpilesandpilesofjetwater&innerbracingstructureoffoundationpitsupport,andhasbetterapplicability.Thispaperintroducesthesupportingpile,jetgroutingpile,constructiontechnologyofsupportingsystem,earthworkexcavationandrelatedmattersneedingattention.Theresultshowsthatthebasepitexcavationdeformationissmall,theoverallstiffnessofthebracingsystemisgood.Keywords:foundationpit;support;supportingpile;pile;excavation;monitoring(510620):,,,“++”,,、、、,,。:;;;;;312ZK02-5.81-13.81-21.90-20.90-8.51-10.110.00(10.81m)(2.70m)(1.60m)(3.70m)21000×10001-5.10-3.50-9.00-9.900.00-0.60f1000()(300)f1000@1200300×300f6001000×800300×300():MAR2013No.3201333,。1。3+,。⑴:f1000@1200f1200@1500(),f600,f6@250×250,100mm。⑵:1000(1200)×800,1000×1000,1000×800,700×700,1000×800,650×650。2。44.1→→()→→→1→→2→、→3→。4.2()、352,f1000、f1200,C30。(、)2.1~9.2m,,,,。4.3f600,P.O.42.5R,1m350kg。7d,,,。,0.8~1.2,20MPa,0.5~0.7MPa,0.10~0.15mmin,。,。50mm,0.5%,,20cm;,,10cm。4.44∠180×16,3m,,,2,。,、、,。,,。4.5,,,,,、,,;,13,。,,。,,。,,,。4.6,,2m。,14#@500,f6@250,f16@500。,0.5~0.7m,,32)24mm。4(mm)(mm)(mm)S1-1.1S11-1.3S21-1.3S2-1.4S12-1.4S22-1.5S3-1.2S13-1.3S23-1.4S4-1.3S14-1.4S24-1.3S5-1.3S15-1.2S25-1.6S6-1.2S16-1.6S26-1.8S7-1.2S17-1.6S27-1.1S8-1.3S18-1S28-1.3S9-1.4S19-1.4----S10-1.2S20-1.1----3(mm)(mm)(mm)S17.2S1111.6S216.7S27.5S128.6S226.7S36.1S136.9S236.9S46.7S148.9S246.9S57.4S159.5S257S68.1S1610.9S268.8S78.2S176.2S276.6S89.2S1810.2S286.8S910.8S197.1----S108.8S206.6----)32mm。2、、()、()20m1,28,313,,13,84154、303,2.5m≤5m,12d;5~10m,1dMAR2013No.3201333。,,50mm,2;2h,,,3d~7d;,。4.7,50cm,。①,,;②,20cm,、;③,,,;④,,;⑤、80%,,,,,。5,,,。,,,,,。3,3、4。6++,。,,,,。++,。,、、,。,。33
本文标题:恒裕滨城花园一期项目深基坑支护施工技术
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