| 多年冻土区钻孔扩底桩的施工 |
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| 引用本文： | 张家全.多年冻土区钻孔扩底桩的施工[J].科学之友,2006(6). |
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| 作者姓名： | 张家全 |
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| 作者单位： | 中铁三局铁科公司 河北霸州065700 |
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| 摘 要： | 以青藏高原冻土施工为例,通过对钻孔扩底灌注桩施工工艺的试验研究,说明掌握钻孔扩底桩的施工工艺及扩孔钻头与钻机、地质条件的适用性,可熟悉水下混凝土浇筑在寒季施工时的温度指标控制、措施及规律。
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| 关 键 词： | 钻孔 扩底 施工 |
The Construction of Bore Pedestal Pile in Permafrost Zone |
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| Zhang Jiaquan.The Construction of Bore Pedestal Pile in Permafrost Zone[J].Friend of Science Amateurs,2006(6). |
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| Authors: | Zhang Jiaquan |
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| Institution: | Zhang Jiaquan |
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| Abstract: | Taking the construction of permafrost of Qinghai-Tibet Plateau as an example, the article researches on the construction craft of bore pedestal bottling pile, explains the constuction craft of bore pedestal and the applicability of epanding drill, borer and geological condilion, and introduces the temperature index control, the measures and rules of underwater concrete depositing in winter construction. |
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| Keywords: | bore pedestal construction |
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