Design and Construction Technology of Bored Pile in a Wharf in Republic of Liberia
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摘要: 某码头改建工程位于利比里亚蒙罗维亚港内,场地内淤泥、淤泥质粘土地层厚度大、压缩性高、触变性强。考虑场地地层条件、施工设备、项目工期以及工程造价后,按规范对钻孔灌注桩进行设计,同时根据场地条件及钻孔灌注桩特点制定了施工流程。对钻孔灌注桩施工中出现的问题,如护筒冒水、卡钻、堵管等,提出了相应的质量控制措施。Abstract: A wharf reconstruction project lies in Monrovia, Republic of Liberia, where the silt and silt clay formations are thick with high compressibility and thixotropic.Considering the factors of stratum conditions, construction equipments, pro-ject period and project cost, the bored pile is designed according to the related standard and according to the site conditions and the characteristics of the bored grouting pile, and the construction process is formulated.The quality control measures are put forward for the problems of water oozing from casing, drilling tool sticking and grouting pipe blocking in bored grou-ting pile construction.
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Key words:
- bored grouting pile /
- wharf /
- design and construction /
- quality control
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