| 砾卵石层中大口径桩底高压注浆灌注桩的承载性状 |
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| 引用本文： | 刘俊龙. 砾卵石层中大口径桩底高压注浆灌注桩的承载性状[J]. 工程勘察, 2000, 0(5) |
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| 作者姓名： | 刘俊龙 |
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| 作者单位： | 福建省建筑设计研究院!福州350001 |
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| 摘 要： | 本文通过对砾卵石层中大直径桩底高压注浆灌注桩注浆前后的垂直静载试验及桩身轴力的现场测试 ,分析了注浆前后单桩限承载力、桩端阻力及桩侧土层摩阻力的变化特点及桩底高压注浆对单桩极限承载力及土层桩端承载力、桩侧摩阻力发挥的作用及机理。
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| 关 键 词： | 桩底高压注浆 单桩极限承载力 桩端阻力 桩侧摩阻力 |
Bearing Behaviour of Large Diameter Cast-in-place Pile in Gravel Stratum with High Pressure Grouting at Pile End |
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| Liu Junlong et al.. Bearing Behaviour of Large Diameter Cast-in-place Pile in Gravel Stratum with High Pressure Grouting at Pile End[J]. Geotechnical Investigation & Surveying, 2000, 0(5) |
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| Authors: | Liu Junlong et al. |
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| Abstract: | The characteristics of ultimate bearing capacity of single pile, tip resistance and lateral resistance of large diameter cast|in|place pile in gravel stratum are analyzed herein based on the results of vertical static loading test and in|situ test of axial force of pile shaft. The action mechanism of high pressure grouting at pile end affecting them are also studied. |
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| Keywords: | high pressure grouting at pile end ultimate bearing capacity of single pile pile tip resistance lateral resistance of pile |
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