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首页> 外文期刊>Australian Geomechanics >HIGH TENSION LOAD TRANSFER USING BORED PILES FOR SOUL APARTMENTS, SURFERS PARADISE
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HIGH TENSION LOAD TRANSFER USING BORED PILES FOR SOUL APARTMENTS, SURFERS PARADISE

机译：采用钻孔桩的高压荷载传递，适用于灵魂公寓，冲浪者天堂

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摘要

This paper describes two different methodologies of transferring high tension loads through large diameter bored piles into the ground. The installation of post tensioned stress bars into the piles was considered as one option for the SOUL project however the use of high strength concrete (f_c > 85 MPa) for the pile shaft had some essential advantages. The use of high strength concrete for bored piles has hitherto been considered to be problematic. Workability criteria have to be maintained for several hours in order to achieve the required quality. Possible concrete shrinkage of the pile shaft causing cracks, concrete bleeding as well as an ongoing quality control of the concrete mix are only a few of the challenges that have to be considered. This is particularly the case for the foundation piles of a high rise building where extremely high point loads are transferred through the piles into the ground. All piles have to be constructed to extremely high standards. In most cases geometry constraints and the design requirements of the superstructure make it impractical to install additional piles in the event that a pile does not achieve the required capacity and has to be supported or replaced by an adjacent pile.
机译：本文介绍了两种不同的方法，这些方法可通过大直径的钻孔桩将高张力载荷传递到地面。在SOUL项目中，将后张应力棒安装到桩中被视为一种选择，但是桩身使用高强度混凝土（f_c> 85 MPa）具有一些重要的优势。迄今为止，将高强度混凝土用于钻孔桩一直被认为是有问题的。为了达到所需的质量，必须将可工作性标准维持几个小时。桩轴可能发生的混凝土收缩会导致裂缝，混凝土渗出以及对混凝土混合物进行持续质量控制，这只是需要考虑的一些挑战。对于高层建筑的基础桩尤其如此，其中极高的点荷载通过桩传递到地面。所有桩必须按照极高的标准建造。在大多数情况下，如果一个桩未达到所需的承载能力并且必须由相邻的桩支撑或替换，则几何形状的限制和上部结构的设计要求使其无法安装额外的桩。

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  • 专利
  • 1. SURFER'S PARADISE [P] . 外国专利： EP1937793A4 . 2010-05-26

    机译：冲浪者天堂

  • 2. Surfer's Paradise [P] . 外国专利： US2010257561A1 . 2010-10-07

    机译：冲浪者天堂

  • 3. SURFER'S PARADISE [P] . 外国专利： WO2007034467A3 . 2009-04-23

    机译：冲浪者天堂

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