GUANGDONGARCHITECTURECIVILENGINEERING201355MAY2013No.51,,60m、24.5m。。6m,,,。,(、),,,。,,,,,,,,,。,,。,,,。,,,,,,,,,。(),。,、、,,,、、、。、、,。2,A936,,A9邓加亮1胡明君2(1、广州市吉华岩土检测有限公司广州510310;2、广东岭南现代技工学校广州510663):为解决广州市南沙某场地施工过程中软弱地基处理问题,采取掏孔释放内压力、砂桩排水增大有效应力的方法,随着固结度增大与土体强度增加,可抑制周边建筑物的拱抬以及消散后续施工产生的附加应力。通过测试孔隙水压力以及变形量,验证了该处治技术满足工程要求。:袋装砂井;软基处理;固结;验证StudyonApplicationofSandWickinSoftFoundationTreatmentDengJialiang1HuMingjun2(1、GuangzhouGeohuaGeotechnicalTestingCo.,Ltd.Guangzhou510310,China;2、GuangdongLingnanAdvancedTechnicalSchoolGuangzhou510663,China)Abstract:InordertosolvetheproblemofthesoftfoundationintheconstructionprocessofGuangzhouNansha,itdigsholestoreleasethepressure,andthesandpilesdrainagetoincreasetheeffectivestress.Withthedegreeofconsolidationincreasedinsoilstrength,surroundingbuildingsarchlifthasbeeninhibitedandtheadditionalstresshasbeengeneratedbythesubsequentconstructiondissipate.Porewaterpressureanddeformationtestingareverifiedthetreatmenttechniquetomeettheconstructionrequirements.Keywords:sandwick;softfoundationtreatment;consolidation;validation201訳KY1kPa10-1110-1210-1310-1410-1510-1610-1710-1810-1910-2010-2110-22-20020406080100120140kPa-2010-1110-1210-1310-1410-1510-1610-1710-1810-19020406080100訴KY2:MAY2013No.5201355L,1m,。dw=70mm,l=0.5m。de=1.0l=0.5m,n=dedw=7.14≤25。(10m),,15m,≥50cm。0.79。33.1→→→→、→→→→。3.2⑴,,。⑵:,,,6XY-100,,,。3.3⑴①,3%,,,、,95%,、,,,。②:;≤1.5%;≥0.5m,;。⑵①,,;②,、;③,、,,、、,,,;④,,,。3.4,2,4,6m,3m1。,,2d。,(),、、、,,、。4103,1010,1013,1017。,2d。4.1,。,。KY1()、KY2()(1),,,KY1130kPaKY260kPa,(0.5m),,,“”。,,,,。4.2(),()21MAY2013No.5201355;,,,2~3。⑴2011-10-10,,10-12,;⑵2011-10-13,10-15,,;⑶2011-10-15,3d,,,;⑷2011-10-17,,,,,,。55.1,,,,。5.2,、,,,。5.3,,。[1].[M].:,1988[2]GB50007-2002[S][3],,.[J].,2003(3)2、訳訴mm910-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-02630-3-6-9-12-15WY5WY4WY3WY2WY1mm100-10-20-40-50-30WY7WY8WY6WY9WY10WY11WY12WY13WY1410-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-023訳訴訵訶mm100-10-20-40-50-30WY2WY3WY1WY4WY5mmWY7WY8WY6WY9WY10WY11WY12WY13WY14mm-4-202684D22D23D21D24D25mm-2.00.02.06.08.04.0D27D28D26D29D3010.0D31D32D3310-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-0210-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-0210-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-02100-10-20-40-50-3010-1110-1310-1510-1710-1910-2110-2310-2510-2710-2910-3111-0222