| 隧道长大管棚预支护施工放样技术 --横断面投影法 |
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| 引用本文： | 王海彦,田岩平. 隧道长大管棚预支护施工放样技术 --横断面投影法[J]. 石家庄铁路职业技术学院学报, 2005, 4(3): 45-48 |
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| 作者姓名： | 王海彦 田岩平 |
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| 作者单位： | 石家庄铁路职业技术学院,河北,石家庄,050041;石家庄铁路职业技术学院,河北,石家庄,050041 |
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| 摘 要： | 长大管棚超前支护是隧道施工穿越软弱破碎围岩的一种加固方法，根据长大管棚的施工放样实例，介绍横断面投影法放样的具体计算方法及操作要点。
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| 关 键 词： | 隧道 长大管棚 预支护 横断面投影 |
| 文章编号： | 1673-1816（2005）03-0045-04 |
| 收稿时间： | 2004-11-18 |
| 修稿时间： | 2004-11-18 |
The Sampled Technique Pre-supporting of Pre-supporting Project with Long and Large Tube Shed in Tunnel Construction--the Transection Projection Method |
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| Wang haiyan,Tian Yanping. The Sampled Technique Pre-supporting of Pre-supporting Project with Long and Large Tube Shed in Tunnel Construction--the Transection Projection Method[J]. Journal of Shijiazhuang Institute of Railway Technology, 2005, 4(3): 45-48 |
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| Authors: | Wang haiyan Tian Yanping |
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| Abstract: | The pre-supporting method with long and large tube shed is a method for reinforcing the layer when tunnel construction penetrating shattered sieges rock. The calculating method and operating points of transect projection were introduced according to the example of long and large tube shed construction. |
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| Keywords: | tunnel long and large tube shed pre-support transect projection |
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