| 软基处理砾石桩施工技术分析与实施 |
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| 引用本文： | 苑学胜.软基处理砾石桩施工技术分析与实施[J].交通科技与经济,2007,9(5):27-28. |
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| 作者姓名： | 苑学胜 |
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| 作者单位： | 黑龙江龙建路桥股份有限公司四处,黑龙江,哈尔滨,150070 |
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| 摘 要： | 砾石桩是进行软基处理的一种有效形式。形成竖向排水通道,从而达到排水固结的作用,使路基沉降能很快完成。用沉管设备在导管下部形成砂砾钻头,通过振冲方式沉管到规定深度时,从管顶漏斗注入砂砾填充导管,然后封闭管口,提升导管到一定高度,管内砂砾排出桩外,再振动导管,压实度和桩径达到要求后,再反复进行填料,挤密、提管、振动,直至全桩形成。每段砾石桩完成后均需进行现场检测和确认。
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| 关 键 词： | 软基处理 砾石桩 施工控制 |
| 文章编号： | 1008-5696（2007）05-0027-02 |
| 修稿时间： | 2007-03-16 |
Technical analysis of gravel pile construction in soft subgrade |
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| YUAN Xue-sheng.Technical analysis of gravel pile construction in soft subgrade[J].Technology & Economy in Areas of Communications,2007,9(5):27-28. |
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| Authors: | YUAN Xue-sheng |
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| Institution: | Branch 4 of Heilongjiang Longiian highway and Bridge Stock Co. , Ltd. , Harbin 150070, China |
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| Abstract: | Gravel piles will be installed by driving a casing pipe with a special device at its ower to form a gravel plug using pile-driving equipmen when it has penetrated to the required depth by vibration as well as water jetting. |
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| Keywords: | soft subgrade settlement gravel piles construction control |
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