| 复合套拱在某隧道洞口段的应用及力学性能分析 |
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| 引用本文： | 王革.复合套拱在某隧道洞口段的应用及力学性能分析[J].山西交通科技,2013(3):63-65. |
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| 作者姓名： | 王革 |
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| 作者单位： | 山西太长高速公路有限责任公司,山西晋中030600 |
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| 摘 要： | 为全面掌握偏压隧道洞口段复合式套拱的力学性能,通过对林屋隧道进口洞口段的复合套拱的桩底应力、桩身应力、钢架应力及拱顶下沉等进行了监控量测,并对监测结果进行分析。结果表明:在偏压地形情况下,复合套拱桩基底应力分布不均匀,极易造成基底不均匀沉降;偏压隧道洞口段复合套拱受力情况复杂,桩身底部易产生拉应力,拱肩、拱顶部位易产生较大压应力,不利于整体稳定性;复合套拱的两侧边桩对于提高隧道洞口整体稳定性有极大作用。
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| 关 键 词： | 偏压隧道 复合套拱 力学性能 监控 量测 |
The Application and the Analysis of Mechanical Properties of Composite Sets of Arch in A Tunnel Entrance Section |
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| WANG Ge.The Application and the Analysis of Mechanical Properties of Composite Sets of Arch in A Tunnel Entrance Section[J].Shanxi Science & Technology of Communications,2013(3):63-65. |
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| Authors: | WANG Ge |
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| Institution: | WANG Ge(Shanxi Taichang Expressway Co.,Ltd,Jinzhong,Shanxi 030600,China) |
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| Abstract: | In order to fully master the mechanical properties of composite arch in the bias tunnel entrance section,through the monitoring and measurement of pile bottom stress,stress of pile,steel stress and arch top settlement of composite arch in the tunnel entrance section,this paper analyzed the monitoring results. |
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| Keywords: | bias tunnel composite arch mechanical property monitoring measurement |
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