青藏公路

  • 网络the qinghai-tibet highway
青藏公路青藏公路
  1. 结果表明,青藏公路热棒试验工程中其间距采用4.0m是合理的,路基双侧设置热棒优于单侧,热棒向路基中心斜置更好。

    The results indicate that the space between heat pipes for 4.0 m is reasonable , the installation positions of heat pipes at two sides are better than at one side , pile oblique placement is better than perpendicular placement . 4 tabs , 8 figs , 15 refs .

  2. 昆仑山区青藏公路沿线冰缘现象

    Periglacial phenomena along Qinghai Xizang highway in the Kunlun mountainous region

  3. 青藏公路与铁路沿途1981年~2001年植被覆盖变化

    Vegetation Change along the Qinghai-Xizang Highway and Railway from 1981 to 2001

  4. 青藏公路取土场高寒草原植被的恢复进程

    The alpine steppe vegetation restoration process of fountainhead region of Yangtze River

  5. 基于人工神经网络的青藏公路铁路沿线生态系统风险研究

    Ecological Risk Assessment of Regions Alongside Qinghai-Xizang Highway and Railway Based on Artificial Neural Network

  6. 青藏公路铁路沿线生态系统特征及道路修建对其影响

    Features of Ecosystems alongside Qinghai-Xizang Highway and Railway and the Impacts of Road Construction on Them

  7. 青藏公路沿线的多边形-脉构造及其古气候意义

    Polygon-Veins along the Qinghai-Xizang Highway

  8. 并对系统做需求分析,提出了系统建设的基本结构;在需求分析的基础上设计并实现青藏公路科研管理系统。

    We did demand analysis and set a basic structure for the system , then designed and realized the system .

  9. 青藏公路沿线高寒草原植被的人为破坏影响是明显的,植被的自然恢复需要20年左右的时间。

    However , in the region destroying of the alpine steppe vegetation was obvious , needing about 20 years for natural resonation .

  10. 根据青藏公路纵向裂缝现场勘察和形成机理分析,认为导致路基纵向裂缝的主要原因是路基边坡坡脚下融化区的产生及发展。

    According to the investigation and the mechanism of the embankment longitudinal cracks , the main reason for the crack is the appearance of thaw area under slope foot in permafrost region .

  11. 根据青藏公路30年观测调查资料,分析不同时间段多年冻土地区公路路基病害的主要类型与特征。

    On the basis of the observed data for 30 years and the analysis of subgrade failure in different period , the main type and characteristic of highway subgrade failure in the permafrost area are demonstrated .

  12. 在纵向裂缝形成机理研究中,首先根据多年冻土上限变化规律、多年冻土地区路基温度场特征和青藏公路纵向裂缝特点构建了分析模型,然后利用有限元方法进行数值仿真,研究纵向裂缝的形成过程。

    In the mechanism analysis part , the paper has established the model through analyzing the changing laws of permafrost upper limit , temperature field characteristic and the longitudinal crack traits , and solved through FEM .

  13. 通过该地区桥涵破坏类型的调查,对工程设计、施工及养护的分析,总结了青藏公路地区桥涵工程破坏的特点及防治对策。

    This article sums up the damaging characteristics of the bridges and culverts , and summarizes the countermeasures to prevent and cure these damages , through analyzing the design , the construction and the maintenance of the engineering there .

  14. 根据2001年11月14日青海省昆仑山口西81级强烈地震的现场调查资料,确定了沿青藏公路一线的地震烈度分布,对此次地震造成的灾害损失进行了分析、描述。

    The distribution of intensity of the earthquake with M s8.1 on Nov.14.2001 in Kunlun Mountains are determined on the basis of field investigation data along the Qinghai-Xizang road , and the earthquake disasters and the loss are evaluated and analysed in the paper .

  15. 青藏铁路建设期青藏公路(格拉段)整治改建工程的冻土环境影响与对策

    Impacts on Permafrost Environment and Countermeasures of the Reinforcement and Rebuilding of the Qing-Zang Highway During the Building Period of Qing-Zang Railway