都汶路恢复重建中的主要地震次生山地灾害与明洞工程
|
摘要
"5.12"汶川地震次生灾害中,有两类山地灾害至今仍对公路运营安全影响很大,其一是高高堆积在坡体之上且规模较大的松散(动)危岩体,其二是与岷江大致正交的泥石流沟泥石流。它们共同的特点是危险物源分布相对位置高、体量大、来势凶猛、冲击破坏性极强,加上它们发生的时间或空间的不确定性,致使常规防治措施无能为力并极易遭到破坏。复式明洞工程则是针对上述灾害专门提出的公路实用性防护工程。经过前期运行,已明显体现出这类工程的优越性,同时也凸显出一些尚需进一步改进的地方。
In Secondary disasters of "5·12" Wenchuan earthquake,two types of mountain hazards still have a great impact on road safety operation,one is unstably large rock body which heap on top of the slope;the second is low-frequency debris flow which have the high Outlet of low-frequency debris flow gullies that approximately intersect Minjiang river into the right angle.Their common feature is the dangerous source distributing in the high position,having large body,being ferocious,devastating impact.And coupling with their occuring time or space is uncertainty,resulting in inability of conventional control measures,and easily damaged.Open tunnel project is specifically made for the road hazard protection engineering.After pre-running,the open tunnel project have clearly demonstrated the superiority,but also exposed some areas needing further improvement.
In Secondary disasters of "5·12" Wenchuan earthquake,two types of mountain hazards still have a great impact on road safety operation,one is unstably large rock body which heap on top of the slope;the second is low-frequency debris flow which have the high Outlet of low-frequency debris flow gullies that approximately intersect Minjiang river into the right angle.Their common feature is the dangerous source distributing in the high position,having large body,being ferocious,devastating impact.And coupling with their occuring time or space is uncertainty,resulting in inability of conventional control measures,and easily damaged.Open tunnel project is specifically made for the road hazard protection engineering.After pre-running,the open tunnel project have clearly demonstrated the superiority,but also exposed some areas needing further improvement.
引文
[1]Zhao Sheng,Zheng Mingxin,Wang Quancai.Analysis on collapsemechanisms and treatment scheme of Laohuzui landslide on Dujian-gyan-Wenchuan Highway caused by Wenchuan Earthquake[J].Tunnel Construction,2009,29(2):243-247[赵升,郑明新,王全才.汶川地震引起的老虎嘴山体崩塌形成机理与治理方案分析[J].隧道建设,2009,29(2):243-247]
[2]Zhuang Jianqing,Ge Yonggan.Land destruction by5.1 2 WenchuanEarthquake along Dujiangyan Wenchuan Highway and its loss evalu-ation[J].Geological Science and Technology Information,2009,28(2):7-15[庄建琦,葛永刚.5.1 2汶川地震对都汶公路(G 21 3)沿线土地破坏及损失评价[J].地质科技情报,2009,28(2):7-15]
[3]Wang Quancai,Wang Lansheng,Li Zongyou,et al.Application offlexible stone-gabion framework in large-scale rock-collapse control-ling engineering.[J].Journal of Mountain Science,2009,27(5):631-636[王全才,王兰生,李宗有,等.柔性框架石笼在大型崩塌体治理工程中的应用[J].山地学报,2009,27(5):631-636]
[4]Han Yongshun,Cui Peng,Zhu Yingyan,et al.Remote sensing mo-nitoring and assessment of traffical damage by Wenchuan Earth-quake—a case study in Duwen Highway[J].Journal of SichuanunIversity:Engineering Science Edition,2009,41(3):273-283[韩用顺,崔鹏,朱颖彦.汶川地震危害道路交通及其遥感监测评估:以都汶公路为例[J].四川大学学报:工程科学版,2009,41(3):273-283]
[5]Wang Quancai,Liu Xilin.Bridge study on danger influenced bydebris in Taoguan Gully of Dujiangyan?Wenchuan Haiway[J].Advance in Earth Science,2004,19:238-241[王全才,刘希林.都汶公路泥石流对沟口桥梁危险性评价[J].地球科学进展,2004,19:238-241]
[6]China Railway First Survey and Design Institute.Roadbed[M].Beijing:China Railway Publishing House,1992[铁道部第一勘测设计院.路基[M].北京:中国铁道出版社,1992]
[7]He Siming Wu Yong.Research on cushioning mechanism of new-typed energy dissipative rock shed[J].Chinese Journal of RockMe-chanics and Engineering,2010,29(5):926-932[何思明,吴永.新型耗能减震滚石棚洞作用机理研究[J].岩石力学与工程学报,2010,29(5):926-932]
[10]Ministry of Communication of the People′s Republic of ChinaJTJ026-90,The Professional Standards Compilation Group of Peo-ple′s Republic of China.Design Specification for Highway Tunnel[S].Beijing:China Communications Press,1990[中华人民共和国交通部,公路隧道设计规范JTJ026-90[S].北京:人民交通出版社,1990]
[2]Zhuang Jianqing,Ge Yonggan.Land destruction by5.1 2 WenchuanEarthquake along Dujiangyan Wenchuan Highway and its loss evalu-ation[J].Geological Science and Technology Information,2009,28(2):7-15[庄建琦,葛永刚.5.1 2汶川地震对都汶公路(G 21 3)沿线土地破坏及损失评价[J].地质科技情报,2009,28(2):7-15]
[3]Wang Quancai,Wang Lansheng,Li Zongyou,et al.Application offlexible stone-gabion framework in large-scale rock-collapse control-ling engineering.[J].Journal of Mountain Science,2009,27(5):631-636[王全才,王兰生,李宗有,等.柔性框架石笼在大型崩塌体治理工程中的应用[J].山地学报,2009,27(5):631-636]
[4]Han Yongshun,Cui Peng,Zhu Yingyan,et al.Remote sensing mo-nitoring and assessment of traffical damage by Wenchuan Earth-quake—a case study in Duwen Highway[J].Journal of SichuanunIversity:Engineering Science Edition,2009,41(3):273-283[韩用顺,崔鹏,朱颖彦.汶川地震危害道路交通及其遥感监测评估:以都汶公路为例[J].四川大学学报:工程科学版,2009,41(3):273-283]
[5]Wang Quancai,Liu Xilin.Bridge study on danger influenced bydebris in Taoguan Gully of Dujiangyan?Wenchuan Haiway[J].Advance in Earth Science,2004,19:238-241[王全才,刘希林.都汶公路泥石流对沟口桥梁危险性评价[J].地球科学进展,2004,19:238-241]
[6]China Railway First Survey and Design Institute.Roadbed[M].Beijing:China Railway Publishing House,1992[铁道部第一勘测设计院.路基[M].北京:中国铁道出版社,1992]
[7]He Siming Wu Yong.Research on cushioning mechanism of new-typed energy dissipative rock shed[J].Chinese Journal of RockMe-chanics and Engineering,2010,29(5):926-932[何思明,吴永.新型耗能减震滚石棚洞作用机理研究[J].岩石力学与工程学报,2010,29(5):926-932]
[10]Ministry of Communication of the People′s Republic of ChinaJTJ026-90,The Professional Standards Compilation Group of Peo-ple′s Republic of China.Design Specification for Highway Tunnel[S].Beijing:China Communications Press,1990[中华人民共和国交通部,公路隧道设计规范JTJ026-90[S].北京:人民交通出版社,1990]
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心