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首页> 外文会议>Deep Foundations Institute 28th Annual Conference on Deep Foundations: Deep Foundations in Compressible Soil and Soft Rock >HELICAL PILES WITH GROUTED SHAFTS - A CASE HISTORY
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HELICAL PILES WITH GROUTED SHAFTS - A CASE HISTORY

机译：带有倾斜轴的螺旋桩-案例历史

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A helical pile with in-situ grouted shaft was used to underpin the existing slab of a large retail store in the Edmonton, Alberta Canada area. The existing structural slab did not have the capacity to support the increased load requirements. The design to upgrade the capacity specified a drilled shaft as the deep foundation to underpin a portion of the slab. A helical pile was quoted as an alternate and ultimately won the bid based on the advantages of the system. After an ASTM D1143 Quick Load Test confirmed the axial compression capacity, 723 helical piles with grouted shafts were installed in 3 weeks underpinning 40% of the 93,000 ft~2 (8,660 m~2) building.
机译：在加拿大艾伯塔省埃德蒙顿地区，使用带有原位灌浆轴的螺旋桩支撑了一家大型零售商店的现有平板。现有的结构板没有能力支持增加的载荷要求。提升产能的设计将钻孔轴作为支撑板坯一部分的深层基础。螺旋桩作为替代方案被引用，并根据系统的优势最终中标。在ASTM D1143快速负载测试确认轴向压缩能力后，在3周内安装了723根带灌浆轴的螺旋桩，支撑着93,000 ft〜2（8,660 m〜2）建筑的40％。

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