纸质出版:2014
移动端阅览
[1]穆彦虎,马巍,牛富俊,刘戈,张青龙.多年冻土区道路工程病害类型及特征研究[J].防灾减灾工程学报,2014,34(03):259-267.
穆彦虎, 马巍, 牛富俊, et al. Study on Geotechnical Hazards to Roadway Engineering in Permafrost Regions[J]. 2014, 34(3): 259-267.
[1]穆彦虎,马巍,牛富俊,刘戈,张青龙.多年冻土区道路工程病害类型及特征研究[J].防灾减灾工程学报,2014,34(03):259-267. DOI: 10.13409/j.cnki.jdpme.2014.03.005.
穆彦虎, 马巍, 牛富俊, et al. Study on Geotechnical Hazards to Roadway Engineering in Permafrost Regions[J]. 2014, 34(3): 259-267. DOI: 10.13409/j.cnki.jdpme.2014.03.005.
多年冻土及多年冻土区恶劣的环境给工程构筑物的建设及维护带来了极大的挑战。以青藏工程走廊内的青藏公路、青藏铁路两大道路工程为研究对象
系统论述了其路基工程、桥梁工程、涵洞工程的主要病害类型及分布特征。现场调查显示
青藏公路80%的路基病害由多年冻土融沉所引起
主要表现为严重的不均匀沉降变形和纵向裂缝
且主要发生在高填方路基上。这两种病害与多年冻土地温及含冰量密切相关
地温越高
含冰量越大
病害越为严重。青藏公路桥梁工程的病害主要集中在附属工程及上部结构上
而涵洞工程病害则主要由冻胀、融沉作用、泥石流淤积、冰塞以及施工原因导致。青藏铁路沿线现场监测及调查结果表明
目前铁路路基病害主要为高温冻土区普通路基的(不均匀)沉降变形、纵向裂缝、路桥过渡段沉降变形、风沙灾害及块碎石材料风化引起的冷却路基结构失效等。此外
青藏工程走廊内广泛分布着包括冻胀丘、冰椎、冰幔、热融湖塘等不良冻土地质现象
当上述不良地质现象与工程接近时
会对道路工程的稳定性造成威胁
严重时可导致一些工程病害的发生。
Frozen soil and harsh environment in permafrost regions present great challenges and result in lots of geotechnical hazards to permafrost engineering.The present paper systematically analyzes permafrost-related geotechnical hazards to roadway engineering(Qinghai-Tibet Highway(QTH)and Qinghai-Tibet Railway(QTR))along the Qinghai-Tibet engineering corridor.Field investigations indicated that about 80percent of embankment hazards to QTH were caused by thaw settlement
and mainly performed as significant differential settlement and longitudinal crack
especially on high embankment
and were severer when underlying permafrost is warmer and ice-rich.Geotechnical hazards to bridge along the QTH mainly occurred in affiliated structures and upper structures
while on culverts
hazards were mainly consequences of freezing-thawing actions
debris-and icing-flow and unreasonable construction method.Field monitoring and investigation showed that geotechnical hazards along the QTR included differential settlement of earthen embankment in warm permafrost regions
longitudinal crack
uneven settlement at embankment-bridge transition section
and hazards induced by aeolian sand disaster and rock shattering of crushed rocks on embankment.In addition
some permafrost-related geological phenomena
including frost mound
icing and ice mantle
thermokarst lake
widely developping within the corridor
will exert potential geotechnical hazards to roadway engineering.
多年冻土区铁路路基热状况对工程扰动及气候变化的响应 [J]. 马巍,穆彦虎,李国玉,吴青柏,刘永智,孙志忠. 中国科学:地球科学 . 2013(03)
青藏高原重大冻土工程的基础研究 [J]. 马巍,牛富俊,穆彦虎. 地球科学进展 . 2012(11)
青藏高原热融湖对冻土工程影响的数值模拟 [J]. 林战举,牛富俊,刘华,鲁嘉濠,罗京. 岩土工程学报 . 2012(08)
青藏铁路路桥过渡段沉降变形影响因素分析 [J]. 牛富俊,林战举,鲁嘉濠,刘华. 岩土力学 . 2011(S2)
青藏铁路主要冻土路基工程热稳定性及主要冻融灾害 [J]. 牛富俊,马巍,吴青柏. 地球科学与环境学报 . 2011(02)
青藏铁路典型路段风沙灾害现状与机械防沙效益估算 [J]. 牛清河,屈建军,张克存,韩庆杰,韩光中,马瑞. 中国沙漠 . 2009(04)
多年冻土地区公路修筑技术研究与工程实践 [J]. 汪双杰,陈建兵,李仙虎. 冰川冻土 . 2009(02)
青藏公路高路基病害的形成及其机理 [J]. 陈建兵,汪双杰,章金钊,马巍. 长安大学学报(自然科学版) . 2008(06)
Thermal regimes and degradation modes of permafrost along the Qinghai-Tibet Highway [J]. JIN Huijun, ZHAO Lin, WANG Shaoling & JIN Rui State Key Laboratory of Frozen Soils Engineering and Cryosphere Station of the Qinghai-Tibet Plateau, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000 China. Science in China(Series D:Earth Sciences) . 2006(11)
青藏公路路基纵向裂缝病害及其发生规律 [J]. 代寒松,盛煜,陈继. 公路 . 2006(01)
青藏铁路沿线的大风特征及风压研究 [J]. 白虎志,李栋梁,董安祥,方锋. 冰川冻土 . 2005(01)
青藏公路多年冻土路基病害 [J]. 汪双杰,霍明,周文锦. 公路 . 2004(05)
青藏公路沿线多年冻土与公路相互作用研究 [J]. 吴青柏,施斌,吴青柏,刘永智. 中国科学(D辑:地球科学) . 2002(06)
青藏高原多年冻土地区不良冻土现象对铁路建设的影响 [J]. 潘卫东,朱元林,吴亚平,张鲁新. 兰州大学学报 . 2002(01)
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Cooling processes and effects of crushed rock embankment along the Qinghai–Tibet Railway in permafrost regions [J] . Yanhu Mu,Wei Ma,Qingbai Wu,Zhizhong Sun,Yongzhi Liu. Cold Regions Science and Technology . 2012
Characteristics of thermokarst lakes and their influence on permafrost in Qinghai–Tibet Plateau [J] . Fujun Niu,Zhanju Lin,Hua Liu,Jiahao Lu. Geomorphology . 2011 (3)
Thermal regime of conventional embankments along the Qinghai–Tibet Railway in permafrost regions [J] . Yanhu Mu,Wei Ma,Qingbai Wu,Zhizhong Sun,Yongzhi Liu,Guangzhou Qu. Cold Regions Science and Technology . 2011
Characteristics and mechanisms of embankment deformation along the Qinghai–Tibet Railway in permafrost regions [J] . Wei Ma,Yanhu Mu,Qingbai Wu,Zhizhong Sun,Yongzhi Liu. Cold Regions Science and Technology . 2011 (3)
The thermal effect of differential solar exposure on embankments along the Qinghai–Tibet Railway [J] . Qingbai Wu,Yongzhi Liu,Zeyong Hu. Cold Regions Science and Technology . 2010 (1)
Monitoring investigation on thermal stability of air-convection crushed-rock embankment [J] . Yanhu Mu,Wei Ma,Yongzhi Liu,Zhizhong Sun. Cold Regions Science and Technology . 2010 (2)
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