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CFG Pile Foundation Treatment Project for Guiyang Rail Transit Line 1 Officially Commences

2014-08-08 540 0人评论

随着长螺旋钻机的阵阵震动，贵阳轨道交通1号线第一工作段成功打下第一根CFG桩，标志着1号线第一工作段CFG桩地基处理工程正式开工。

CFG桩为水泥粉煤灰碎石桩，由碎石、石屑、砂、粉煤灰掺水泥加水拌和，并用各种成桩机械制成的可变强度桩。它是一种低强度混凝土桩，可充分利用桩间土的承载力共同作用，并可传递荷载到深层地基中去，具有质量易控制、工程造价低、节约材料资源的优点。

第一工作段承担1号线金阳车辆段与综合基地土石方和窦关大桥的建设任务，本工作段CFG桩加固范围为1号线部分地基承载力不足的区域，桩长5至7.6米，桩径0.5米，间距1.5米，呈梅花形布置。市轨道公司将根据工期要求，组织施工单位陆续增加多台螺旋钻机进场，多个作业面同时展开施工，确保1号线金阳车辆段后续工程的顺利实施。

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CFG Pile Foundation Treatment Project for Guiyang Rail Transit Line 1 Officially Commences

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CFG Pile Foundation Treatment Project for Guiyang Rail Transit Line 1 Officially Commences

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