perennially frozen ground

Explosion effects and characteristic analysis of frozen soils;

冻土爆破作用与特性分析

Detection by acoustical method on the physical and mechanical character of frozen soil;

用声波检测冻土物理力学性质的研究

The results indicate that adoption of this direct-embedded foundation where soil-sand is in place of frozen ground can avoid heaving e.

结合青藏铁路门型电杆的基础形式,对直埋式基础的设计及工程处理措施进行了研究,同时对已完工的门型电杆进行了变形观测,提出了在高原地区做变形观测应注意的事项,结果表明,在冻土地区采用换填油砂直埋式基础可以有效地防止冻融循环过程中产生的冻拔,能够满足承载力的要求,该基础形式是合理可行的。

In seasonally frozen ground regions as well as permafrost regions,active layer is the most active terrane in terms of thermodynamics.

活动层夏季融化、冬季冻结的近地表土(岩)层,是冻土地区热力动态最活跃的岩层,在冻土研究中有着重要意义。

In this paper the bearing capacity experiment of pile foundation had been done In the frozen ground region of Qinghai-Tibet Railway.

介绍了青藏铁路冻土区桩基承载力试验技术及问题处理 ,并提出改进措

Thermal analysis of artificially frozen wall in seasonal frozen area

季节冻土地区人工冻土墙的冻结特性研究

RESEARCH OF GROUND FROZEN DEPTH IN SEASONALLY FROZEN AREAS

季节性冻土地区土壤冻结深度的研究

Research on the Forming and Thawing of Frozen Soil Walls by Artificial Ground Freezing Method;

人工地层冻结冻土帷幕形成与解冻规律研究

Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;

冻结法凿井冻土冻胀对井架基础影响的研究

Experimental Research on the Frost Heave Mechanism of Seasonal Frozen Soil and Upward Freezing Pulling Test of Near Water Foundation

季节性冻土冻胀机理与近水基础冻拔试验研究

On freeze damages of frozen soil to foundation and roadbed and treatment measures thereof

浅谈冻土对地基和路基的冻害及处理

Subgrade frost heaving treatment measure research in seasonal frozen soil area

季节性冻土区路基冻胀处理措施研究

Field Measurement Analysis of Natural Thawing and Artificial Thawing of Frozen Soil by Artificial Ground Freezing

人工地层冻结冻土自然解冻与强制解冻实测分析

Because of the intense cold, the subsoil of the tundra remains permanently frozen to a great depth.

由于严寒，冻土带的底层土仍然长久冷冻得很深。

The Permafrost Characteristics of Qinghai-Tibet Highway Subgrade in Permafrost Regions

青藏公路多年冻土区路基下冻土发育特征

Experimental Study of the Temperature Field in a Frozen Wall Influenced by a Seasonal Frozen Soil Layer

季节冻土层影响下冻土墙温度场模型试验研究

Research on Frozen and Uplift Resistant for Concrete Short Pile Foundation in Seasonal Frozen Soil Area

季节性冻土环境下混凝土短桩基础抗冻拔研究

The frozen ground will have to be picked up by hand before machine digging can begin.

这冻土必须挖过后才能用掘土机掘土。

Experimental Study on Indoor Uniaxial Frost-heaving Constitutive Relation and Frost-heaving Force of Tunnel in Frozen Earth Region;

室内单轴冻胀本构试验及冻土隧道冻胀力模型试验研究

Numerical Simulation of Thermal Field of Roadbed under Cement Concrete Pavement in Permafrost Region

多年冻土区水泥混凝土路面下冻土路基温度场数值分析

Experimental Research on Seasonal Subgrade Freezing Damage in Gobi Region;

戈壁地区季节性冻土路基冻害的试验研究

Analysis on Bearing Capacity of Refreezing Process of Cast-in-place Bored Pile in Permafrost Region;

多年冻土地区钻孔灌注桩回冻过程承载力分析

Studies on Basic Theories and Technologies for Artificial Thawing of Artificial Frozen Soil;

人工冻土强制解冻基本理论和技术研究