| 青藏高原重大冻土工程的基础研究 |
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| 引用本文： | 马巍,牛富俊,穆彦虎.青藏高原重大冻土工程的基础研究[J].地球科学进展,2012,27(11):1185-1191. |
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| 作者姓名： | 马巍 牛富俊 穆彦虎 |
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| 作者单位： | 冻土工程国家重点实验室,寒区旱区环境与工程研究所,甘肃兰州730000 |
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| 基金项目： | 国家重点基础研究发展计划项目“青藏高原重大冻土工程的基础研究”( |
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| 摘 要： | 青藏高原是我国乃至世界高海拔多年冻土区的典型代表。伴随着青藏铁路的建成通车,西藏自治区迎来了新一轮经济发展,迫切需要新建高速公路、输变电线路、输油气管道工程等。这些拟建工程与已建的青藏公路、青藏铁路、格拉输油管道、兰西拉光缆等工程均聚集于宽度不足10km范围内的青藏工程走廊。在这狭长的冻土工程走廊内,已修建或拟建的各种冻土构筑物相互影响,多因素耦合叠加,加速区域内的冻土退化,而冻土融化必将影响到工程的稳定性和生态环境退化。再加上全球气候变化的影响,其变化程度更加剧烈。面对国家需求,国家重点基础研究发展项目"青藏高原重大冻土工程的基础研究"于2012年4月正式启动。该项目旨在揭示气候变化与人类工程活动加剧背景下冻土变化及灾害时空演化规律,建立冻土工程稳定性和服役性能评价体系,提出冻土工程灾害防治理论与控制对策,为冻土构筑物群灾害应急预案和重大冻土工程建设提供科学决策依据。
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| 关 键 词： | 青藏高原 冻土工程 气候变化 冻土变化 稳定性及服役性能 工程灾害 |
Basic Research on the Major Permafrost Projects in the Qinghai-Tibet Plateau |
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| Ma Wei,Niu Fujun,Mu Yanhu.Basic Research on the Major Permafrost Projects in the Qinghai-Tibet Plateau[J].Advance in Earth Sciences,2012,27(11):1185-1191. |
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| Authors: | Ma Wei Niu Fujun Mu Yanhu |
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| Institution: | State Key Laboratory of Frozen Soils Engineering, Cold and Arid Environmental and Engineering Research Institute, Chinese Academy of SciencesLanzhou, 730000, China |
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| Abstract: | Qinghai Tibet Plateau is representative high altitude permafrost region on the earth. Along with the operation of Qinghai-Tibet Railway, a new round of economic development in Xizang (Tibet) Autonomous Region has emerged, which need construction of highway, power transmission line and oil/gas pipeline. These proposed projects and already existed projects, including Qinghai Tibet Railway, Qinghai-Tibet Highway, Golmud-Lhasa oil product pipeline, and optical cable from Lanzhou to Lhasa, are all located in the Qinghai Tibet engineering corridor, which is not wide than 10 km. In this corridor, influences between proposed and existed projects and coupling of multi factors will accelerate the permafrost degradation, and consequently undermine the stability of these projects and ecological environment, especially along with climate change. To meet the national needs, “Basic Research on the Major Permafrost Projects in the Qinghai-Tibet Plateau”, a project of National Basic Research Program of China, was initiated in April, 2012. The aim of this project is to reveal the space time revolution of permafrost and permafrost related hazards under the scenarios of climate change and intensive engineering activity, construct an evaluation system on stability and service ability of permafrost engineering, and propose a preventative theory and control measures on permafrost engineering hazard, and finally provide scientific guidelines on pre arranging plan on permafrost engineering hazard and on construction of major permafrost engineering in the future. |
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| Keywords: | Qinghai-Tibet Plateau Permafrost engineering Climate change Permafrost change Stability and service ability Engineering hazard |
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