| 组合桩在唐山沿海地区的试验应用 |
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| 引用本文： | 郑思光,冯士广,纪燕祥,赵志杰,何若梅,刘建兵,孙宇佳.组合桩在唐山沿海地区的试验应用[J].探矿工程,2017,44(11):71-77. |
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| 作者姓名： | 郑思光 冯士广 纪燕祥 赵志杰 何若梅 刘建兵 孙宇佳 |
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| 作者单位： | 河北省地矿局第二地质大队,河北省地矿局第二地质大队,河北省地矿局第二地质大队,河北省地矿局第二地质大队,河北省地矿局第二地质大队,河北省地矿局第二地质大队,河北省地矿局第二地质大队 |
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| 摘 要： | 唐山沿海地区由于自然历史原因造成土体结构与内陆地区相差甚远，土体结构多层，且上部以软弱粘性土、砂类土为主，使得单一桩型成本较高、效率低、施工难度大且易造成环境污染。针对这些问题并结合本地区地层，设计试验了一套粉喷桩和预应力混凝土管桩相结合的柔刚组合桩施工方法，降低了施工难度、提高了效率、降低了成本，实现桩基施工无泥浆排放的节能环保示范，为类似地区地基基础工程施工提供了借鉴和参考。
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| 关 键 词： | 组合桩 柔刚组合桩 粉喷桩 预应力混凝土管桩 单桩承载力 沿海地区 |
| 收稿时间： | 2017/10/25 0:00:00 |
| 修稿时间： | 2017/10/25 0:00:00 |
Experimental Application of Composite Pile in Tangshan Coastal Area |
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| ZHENG Si-guang,FENG Shi-guang,JI Yan-xiang,ZHAO Zhi-jie,HE Ruo-mei,LIU Jian-bing and SUN Yu-jia.Experimental Application of Composite Pile in Tangshan Coastal Area[J].Exploration Engineering(Drilling & Tunneling),2017,44(11):71-77. |
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| Authors: | ZHENG Si-guang FENG Shi-guang JI Yan-xiang ZHAO Zhi-jie HE Ruo-mei LIU Jian-bing and SUN Yu-jia |
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| Institution: | The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources,The Second Geological Team of Hebei Bureau of Geology and Mineral Resources |
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| Abstract: | Due to the natural and historical reasons, the soil structure is very different to that of inland area in Tangshan coastal area mainly with multi-layer soil structure and soft clay & sand soil in upper part, which leads to high cost of the single pile type with low efficiency, difficult construction and being easy to cause environmental pollution. According to this situation and considering the formation in this area, a set of construction method of flexible-rigid composite pile with cement rejection pile and pre-stressed concrete pipe pile is designed with construction difficulties and cost reduction, efficiency improvement and realization of energy saving and no mud recharge to be an environmental protection demonstration, which provides the reference for foundation engineering construction in this area. |
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| Keywords: | compound pile flexible and rigid composite pile cement rejection pile pre-stressed concrete pipe pile bearing capacity of single pile coastal area |
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