| 拦河坝砼防渗墙的施工技术 |
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| 引用本文： | 曾鹏九.拦河坝砼防渗墙的施工技术[J].探矿工程,1996(5):46-48. |
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| 作者姓名： | 曾鹏九 |
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| 作者单位： | 黄河水利委员会勘测规划设计院地质勘探总队 |
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| 摘 要： | 拦河坝砼防渗墙多在砂层与砂卵石层上施工，地基处理根据地质条件选择，施工方法有无导孔挖槽导孔挖槽，冲击成槽，回转钻成槽，锯槽机成槽，锯槽机为新型防渗成墙材料提供了新的施工手段，但有局限性。
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| 关 键 词： | 防渗墙 锯槽机 拦河坝 混凝土防渗墙 |
Concrete Seepage Cut-off Wall Construction for a River-crossing Dam |
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| Zeng Pengjiu.Concrete Seepage Cut-off Wall Construction for a River-crossing Dam[J].Exploration Engineering(Drilling & Tunneling),1996(5):46-48. |
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| Authors: | Zeng Pengjiu |
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| Abstract: | The seepage cut -off wall for the river-crossing dam is usually installed in the sand and the sandy gravel. The dam site treatment depends on the geological conditions and the construction methods include trench-cutting without pilot hole, trench-cutting with pilot hole, percussive trenching, rotsry trenching and trenching by trench saw. The trench saw provides a new construction method for the new seepage cut-off walling material, but has its limitation. |
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| Keywords: | seepage cut-off wall trench-cutting method trench saw bottom cleaning concreting |
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