着重介绍了多年冻土施工通风片石和碎石护坡改善多年冻土隔化下沉维持冻土的稳定。
The paper introduces the role of ventilating plate stone and rubble foot protection in improving permafrost and maintaining the stability of permafrost.
本文主要对高原冻土隧道的施工技术、工艺进行了试验研究。
This paper mainly discusses the tunnel construction technique in permafrost Soil on the plateau.
本文成果可作为季节性冻土地区路基设计和施工的参考。
The research results can provide reference for design and construction of subgrade in seasonal frozen soil region.
在施工过程中，通过温度场监测分析掌握冻土帷幕的安全状态，是风险控制的重要手段之一。
During the construction process, keeping abreast of the safety status of the frozen soil curtain by temperature field monitoring and analyzing is one of the important measures for risk control.
此研究为预测青藏铁路旱桥桩基稳定以及高温多年冻土桩基的设计与施工提供参考依据。
Reference basis is provided for the stability of land bridge along Qinghai—Tibet Railway and the design and construction of pile foundation in high temperature permafrost regions.
因此，针对不同气候特点和冻土热稳定性特征，采用合适的施工工艺，可以应用现浇整体式涵洞基础。
Therefore, with different climate and permafrost thermal stability characters, suitable construction technologies should be employed, and cast-in-site concrete monolithic foundations can be adopted.
在青藏铁路和青藏公路的施工建设中，许多主动保护冻土的措施已经被采用，遮阳板就是其中有效的降温措施之一。
There are a lot of active measures to protect permafrost adopted in the construction of the Qinghai-Tibet Railway and the Qinghai-Tibet Highway, of which an effective one is awning.
阐述了高原多年冻土区各类涵洞施工工艺。
The construction techniques for culverts in plateau permafrost regions are introduced.
经过野外调查发现，完成施工但尚未投入运营的青藏铁路沿线出现了一些次生不良冻土现象。
A number of secondary harmful frozen soil phenomena were found along Qinghai—Tibet railway which are being developed since the completion of construction of the railway.
在青藏高原北部祁连山区木里煤田多年冻土层煤炭地质勘查施工中，发现天然气水合物存在的证据。
In recent years, some evidences of the gas hydrate were discovered during coal geological exploration in permafrost zones of Muli coalfield, Qilian Mountain, northern Qinghai-Tibet plateau.
本文用有限变形理论对人工冻结壁施工的几何非线性和冻土蠕变材料非线性问题进行了非线性数值分析。
This paper applies the theory of limited deformation analysis to the non-linear problem of the geometrician and creeping material for the frozen-wall.
南京地铁一期工程联络通道采用冻结法施工中，对冻结盐水温度、冻土温度、地表变形等方面进行了跟踪监测；
The application of a freezing method to construction of the connected aisle for Nanjing metro project is introduced.
并且获得了冻结盐水温度、冻土温度、地表变形以及隧道变形的变化规律，在此基础上提出了旁通道冻结施工的建议。
Based on the measurement, the variation rules of the above variables are revealed and investigated and a guidance on the freezing method for the construction of connected aisle is proposed.
并且获得了冻结盐水温度、冻土温度、地表变形以及隧道变形的变化规律，在此基础上提出了旁通道冻结施工的建议。
Based on the measurement, the variation rules of the above variables are revealed and investigated and a guidance on the freezing method for the construction of connected aisle is proposed.
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