perennially frozen ground

Explosion effects and characteristic analysis of frozen soils;

凍土爆破作用與特性分析

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

用聲波檢測凍土物理力學性質的研究

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

結合青藏鐵路門型電桿的基礎形式,對直埋式基礎的設計及工程處理措施進行了研究,同時對已完工的門型電桿進行了變形觀測,提出了在高原地區做變形觀測應注意的事項,結果表明,在凍土地區采用換填油砂直埋式基礎可以有效地防止凍融循環過程中產生的凍拔,能夠滿足承載力的要求,該基礎形式是合理可行的。

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

活動層夏季融化、冬季凍結的近地表土(巖)層,是凍土地區熱力動態最活躍的巖層,在凍土研究中有著重要意義。

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

介紹了青藏鐵路凍土區樁基承載力試驗技術及問題處理 ,并提出改進措

Thermal analysis of artificially frozen wall in seasonal frozen area

季節凍土地區人工凍土墻的凍結特性研究

RESEARCH OF GROUND FROZEN DEPTH IN SEASONALLY FROZEN AREAS

季節性凍土地區土壤凍結深度的研究

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

人工地層凍結凍土帷幕形成與解凍規律研究

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

凍結法鑿井凍土凍脹對井架基礎影響的研究

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

季節性凍土凍脹機理與近水基礎凍拔試驗研究

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

淺談凍土對地基和路基的凍害及處理

Subgrade frost heaving treatment measure research in seasonal frozen soil area

季節性凍土區路基凍脹處理措施研究

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

人工地層凍結凍土自然解凍與強制解凍實測分析

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

由于嚴寒，凍土帶的底層土仍然長久冷凍得很深。

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

青藏公路多年凍土區路基下凍土發育特征

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

季節凍土層影響下凍土墻溫度場模型試驗研究

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

季節性凍土環境下混凝土短樁基礎抗凍拔研究

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

這凍土必須挖過后才能用掘土機掘土。

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

室內單軸凍脹本構試驗及凍土隧道凍脹力模型試驗研究

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

多年凍土區水泥混凝土路面下凍土路基溫度場數值分析

Experimental Research on Seasonal Subgrade Freezing Damage in Gobi Region;

戈壁地區季節性凍土路基凍害的試驗研究

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

多年凍土地區鉆孔灌注樁回凍過程承載力分析

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

人工凍土強制解凍基本理論和技術研究