| 膨胀混凝土在加固钻孔灌注桩中的应用 |
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| 引用本文： | 颜万才.膨胀混凝土在加固钻孔灌注桩中的应用[J].地质学刊,1997,21(2):103-106. |
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| 作者姓名： | 颜万才 |
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| 作者单位： | 江苏地质基桩工程公司 |
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| 摘 要： | 膨胀混凝土应用于钻孔灌注桩中，能够提高桩土效应、桩的承载力和混凝土强度，节约水泥用量。通过一工程实例证明，采用膨胀混凝土是解决钻孔灌注桩缺陷问题的一种有效途径。
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| 关 键 词： | 膨胀混凝土 钻孔灌注桩 桩基加固 承载力 |
Application of Expansive Concrete in Reinforced Pile in Pre Bored Hole |
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| Yan WancaiJiangsu Geological Pile Engineering Company,Zhenjiang.Application of Expansive Concrete in Reinforced Pile in Pre Bored Hole[J].Jiangsu Geology,1997,21(2):103-106. |
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| Authors: | Yan WancaiJiangsu Geological Pile Engineering Company Zhenjiang |
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| Institution: | Yan WancaiJiangsu Geological Pile Engineering Company,Zhenjiang,212111 |
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| Abstract: | The expansive concrete that used in the pile in pre bored hole,will increase the efficiency of pile concrete,bearing capacity and strength of concrete,saving cement volume.Adding expansive agent into concrete to prepare expansive concrete which will be injected into borehole.The concrete will be solidified and expanded at the surrounding pressure and cealed condition.In doing so,it can not only compensate the shrinkage of concrete during solidification,promoting the efficiency of pile concrete,but also obtain self stress,increasing the strength of concrete (saving cement consumption in case of the same strength requirements).Therefore,the method is very effect in dealing with some defects of pile in borehole,lower the cost in treating accidents. |
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| Keywords: | Expansive agent Concrete Pile in pre bored hole Bearing capacity Shanghai |
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