| 桩底后压浆技术研究 |
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| 引用本文： | 黄生根,刘萍. 桩底后压浆技术研究[J]. 地质科技情报, 1999, 0(Z1) |
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| 作者姓名： | 黄生根 刘萍 |
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| 作者单位： | 中国地质大学汉口岩土与建筑工程系(黄生根)，湖北非金属地质公司(刘萍) |
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| 摘 要： | 介绍了桩底后压浆技术，通过向桩底进行注浆可消除孔底沉渣的不利影响，并提高单桩承载力；通过工程实例分析表明，在卵石层中其灌浆机理主要表现为渗透灌浆，其承载力由３部分组成，即桩身部分的摩擦力、固结体部分的摩擦力和固结体的底部阻力。
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| 关 键 词： | 后压浆 承载力 渗透灌浆 |
STUDY ON PILE BOTTOM POST PRESSURE GROUTING TECHNOLOGY |
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| Huang Shenggen. STUDY ON PILE BOTTOM POST PRESSURE GROUTING TECHNOLOGY[J]. Geological Science and Technology Information, 1999, 0(Z1) |
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| Authors: | Huang Shenggen |
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| Abstract: | The pile bottom post pressure grouting technology could raise a bored pile's bearing capacity by grouting cement to the end of the pile According to the construction experience ,the working mechanism of pile end grouting appeared to be seep in grouting mainly,and the bearing capacity was composed of the friction of pile side,the resistance and friction of the consolidated body |
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| Keywords: | post pressure grouting bearing capacity seep in grouting |
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