| 石龟山大桥直径3～4.4m空心桩施工技术 |
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| 引用本文：冯宗才,范清明,陆祖安.石龟山大桥直径3～4.4m空心桩施工技术[J].钻探工程,1997,(1):21-24.. [J]. Drilling Engineering, 1997,(1):21-24. |
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| 冯宗才 范清明 陆祖安 |
| 湖南省地质建筑基础工程公司!娄底，417000 |
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| 中文摘要:施工 3～4．4m空心桩，需要预制空心桩节和护筒、搭建水上平台，进而介绍了钻孔施工、桩节组拼以及压浆等工艺。与实心桩相比，空心桩显示了独特的优越性。 |
| 中文关键词:空心钻孔灌注桩,桩节,水上平台,压浆 |
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| Feng Zongcai Fan Qingming Lu Zu'an |
| Building Foundation Engineering Company of Hunan Loudi 417000 |
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| Abstract:It is necessary to prefabricate hollow pile sections and the conductor casing for the construction of 3 to 4. 4m hollow piles. The drilling process, pile section assembly and grout injection are described. The hollow pile exhibits unque adventage over the solid one. |
| keywords:hollow bored pipe, pile section, drilling platform, grout injection, |
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