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【摘要】文章对道路地质情况和软土地基物理力学特点,阐述水泥深层搅拌桩在高等级道路软基处理中的设计、施工,在城市道路软基加固中的运用。
【关键词】高等级道路;水泥深层搅拌桩;软基处理;质量控制
Discuss design and construction of cement deep mixing pile under treatment of soft ground road
Liu Yuan1,Huang Wei2,Xu Ming-ju2
(1. Jiangxi Province Dayu County, Transportation Bureau highway stationDayuJiangxi341500;
2. Jiangxi Province Gannan Highway Survey and Design InstituteGanzhouJiangxi341000)
【Abstract】In this article the road of geological conditions and physical and mechanical characteristics of soft ground to explain the deep cement mixing pile in soft ground treatment of high-grade road in the design, construction, roads in the city in the use of soft foundation..
【Key words】High-grade road; Cement deep mixing pile; Soft foundation treatment; Quality control
某市中心区公路, 沿线穿越的地貌单元为园缓低丘陵和冲海积平原,地形稍有起伏,高程为1.14~8.15米。且经铁路、北渠、水稻田积水区(水深为0.2~0.6米)、多处有池塘(水深为0.8~3.0米)。该道路为该市最宽的市政道路,60米宽,八车道,施工工期短,根据实际情况决定采用水泥搅拌桩进行地基处理,并在桩顶设置 50cm土工格栅加筋砂石垫层。下面主要对该路段水泥搅拌桩的设计、施工及检测控制作一系统的阐述,以供同行参考。
【关键词】高等级道路;水泥深层搅拌桩;软基处理;质量控制
Discuss design and construction of cement deep mixing pile under treatment of soft ground road
Liu Yuan1,Huang Wei2,Xu Ming-ju2
(1. Jiangxi Province Dayu County, Transportation Bureau highway stationDayuJiangxi341500;
2. Jiangxi Province Gannan Highway Survey and Design InstituteGanzhouJiangxi341000)
【Abstract】In this article the road of geological conditions and physical and mechanical characteristics of soft ground to explain the deep cement mixing pile in soft ground treatment of high-grade road in the design, construction, roads in the city in the use of soft foundation..
【Key words】High-grade road; Cement deep mixing pile; Soft foundation treatment; Quality control
某市中心区公路, 沿线穿越的地貌单元为园缓低丘陵和冲海积平原,地形稍有起伏,高程为1.14~8.15米。且经铁路、北渠、水稻田积水区(水深为0.2~0.6米)、多处有池塘(水深为0.8~3.0米)。该道路为该市最宽的市政道路,60米宽,八车道,施工工期短,根据实际情况决定采用水泥搅拌桩进行地基处理,并在桩顶设置 50cm土工格栅加筋砂石垫层。下面主要对该路段水泥搅拌桩的设计、施工及检测控制作一系统的阐述,以供同行参考。