| 初期支护后公路隧道拓宽改造施工方法 |
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| 引用本文： | 赵玉生.初期支护后公路隧道拓宽改造施工方法[J].山西交通科技,2008(3). |
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| 作者姓名： | 赵玉生 |
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| 作者单位： | 山西省公路局建设处 山西太原 |
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| 摘 要： | 因受各种条件限制隧道设计为窄隧道,但在施工过程中考虑到实际交通量需要拓宽隧道,而此时已进行了初期支护,如何充分利用旧支护体系并进行改造成为施工的关键步骤。
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| 关 键 词： | 隧道 拓宽 初期支护 施工 |
The Construction Methods of Highway Tunnel Widening Reconstruction after Preliminary Support |
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| ZHAO Yu-sheng.The Construction Methods of Highway Tunnel Widening Reconstruction after Preliminary Support[J].Shanxi Science & Technology of Communications,2008(3). |
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| Authors: | ZHAO Yu-sheng |
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| Institution: | ZHAO Yu-sheng(Shanxi Provincial Highway Bureau,Taiyuan,Shanxi 030006,China) |
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| Abstract: | The tunnel is designed into a narrow one because of the limitation of some conditions.But considering the actual traffic need,in the course of construction,we widen the tunnel,meanwhile the tunnel has been constructed by the preliminary support.How to reconstruct by old support system has become the key procedure of the construction. |
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| Keywords: | tunnel widening preliminary support construction |
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