对桩基冻拔的冻土工程问题进行了断裂力学分析，并给出简化模型。
A frozen soil engineering problem of pile foundation uplift, is analyzed using fracture mechanics method, and a simplified model for calculation the stability of pile foundation uplift is presented.
介绍青藏铁路冻土工程的主要特点，阐明解决冻土工程问题的核心是控制融沉和冻胀变形。
The paper briefs on the features of Qinghai-Tibet Railway permafrost engineering andclaries the control of thaw deposit and frosting heaving deformation as the core of thepermafrost engineering.
土中水分迁移的动力势问题是探讨水分迁移成冰机理以及研究冻胀、冻土内应力等冻土工程问题的关键所在。
The driving force of moisture migration in soil is the key of discussing the mechanism of freezing ice and frost heave and the stress of freezing soil.
土中水分迁移的动力势问题是探讨水分迁移成冰机理以及研究冻胀、冻土内应力等冻土工程问题的关键所在。
The driving force of moisture migration in soil is the key of discussing the mechanism of freezing ice and frost heave and the stress of freezing soil.
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