多年冻土地区路基

多年冻土地区路基变形特征及影响因素

Deformation Characteristics and Influential Factors of Subgrade in Permafrost Region

多年冻土地区路基温度场和水分迁移场耦合问题研究

Study on the problem of coupled temperature field and moisture migration field of Subgrade in Permafrost Region

大兴安岭北部多年冻土地区路基沉陷研究差分干涉SAR冻土形变检测方法研究

Study on Thaw Settlement of Subgrade in Permafrost Regions in the Northern Part of Da Hinggan Mountains Detecting the Displacement Field of Thaw Settlement by Means of SAR Interferometry

采用Biot固结理论的有限元方程，对多年冻土地区路基的不均匀融沉变形进行计算与分析，为路面融沉附加应力计算提供依据。

By use of the finite element equation from Biot theory , it presents the analysis and calculation of the uneven thaw collapse and deformation of tundra subgrade , and given the reference to attaching stress calculation .

多年冻土地区路基修筑技术及实践

A Study on Subgrade Construction Technology and Practice in Permafrost Regions

特殊气候条件对多年冻土地区路基的影响

Effect of special weather on road subgrade in permafrost area

多年冻土地区路基水热力场耦合效应研究

Study on Coupling Model of the Moisture-Heat-Stress Fields in the Permafrost Subgrade

多年冻土地区路基冻胀变形分析

Analysis of frost heave on subgrade in permafrost regions

多年冻土地区路基工程换热分析

Heat exchanged Analysis in Roadbed Engineering in Permafrost Area

应用热管技术提高多年冻土地区路基稳定性的数值分析

Model Analysis of Using Thermosyphon to Enhance the Subgrade Stability in Permafrost Regions

浅谈公路多年冻土地区路基施工

Discussion on roadbed construction in perennial frozen earth area

多年冻土地区路基临界高度研究

Study on critical thickness of Subgrade in Permafrost Area

多年冻土地区路基设计原则及其应用

The Design Principles of Embankment of Highway in Permafrost Regions and Their Application

在评价多年冻土地区路基的稳定性时，尤其要对其热稳定性进行评价。

Thermal stability of roadbed must be evaluated when the stability of roadbed in the permafrost regions is evaluated .

根据多年冻土地区路基特点与环境条件，从土工合成材料的强度特性、构造特性、耐久性及抗施工损伤性能等方面，提出了土工合成材料选择时的原则。

Analyzing the strength property , structural property , longevity and nature of easy to damage in construction , principles of choosing geosynthetics are presented .

多年冻土地区路基的冻结过程是温度场、水分场及应力场相互作用的极其复杂的传热学、物理化学和力学的综合问题。

The freezing course of the permafrost sub-grade synthesizes heat exchanging , physical chemistry and mechanics , which is concerned with the complicated interacting process of the temperature field , moisture field and stress field .

在建立多年冻土地区路基非稳态温度场控制方程、水分迁移的有限元控制方程和路基变形场及应力场计算模型的基础上，提出水热力耦合模型。

Based on the control equation of the non-stationary temperature field , the finite element control equation of the moisture movement and the two-dimensional numerical calculation model of the deformation and stress fields in the subgrade , this paper puts forward the coupling calculation model of the heat-moisture-stress fields .

多年冻土地区特殊路基设计与施工技术研究

Study on Design and Construction Techniques of Special Subgrade for Permafrost Areas

我国多年冻土地区的路基修筑技术及其相关研究走过了50年的历程。

There are 50 years history about subgrade construction technology and the relevant research in the permafrost regions .

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 .

多年冻土地区隔热板路基工作机理研究

Study on Working Mechanism of Embankment with Insulation in Permafrost Regions

利用非线性有限元方法，对多年冻土地区隔热板路基温度场的变化特征进行数值模拟，进而对隔热板路基的工作机理进行研究。

Nonlinear finite element method ( FEM ) was adopted in the numerical simulation of thermal field characteristic of embankment with insulation in permafrost regions , and the working mechanism was analyzed .

多年冻土地区热管冷却路基数值分析

Numerical analysis of thermosyphon in protecting the roadbed in Permafrost

由于全球升温致使多年冻土呈退化趋势，多年冻土地区路基的热稳定性受到了广泛关注。

Because the global elevation of temperature causes permafrost to assume the degenerated tendency , permafrost area embankment thermal stability has received the widespread attention .

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 .

多年冻土路基的冻胀和融沉变形；多年冻土地区路基不均匀融沉变形计算分析

Calculation and Analysis of Subgrade 's Non-uniform Melt Settlement Deformation in Perennially Frozen Soil Zone