Introduction General Geocryology Engineering Geological Conditions of Permafrost at the Gulian Coal Mine Area in the Da Hinggan Ling region Guo Dongxin and Huang Yizhi et al. Evaluation of the Engineering-Geological Conditions of Permafrost in the Section of Xiao Nanchuan-Kunlun Mountain Pass of the Qinghai-Xizang Highway Wang Shaoling and Li Shude Underground Water of Permafrost Area in Da Hinggan Ling Zheng Qipu Hydrogeological Characteristics of Permafrost at the Huolapen Basin in Da Hinggan Ling Lin Fengtong and Tu Guangzhong Basic Types of Underground Water in Permafrost Area on the Qinghai-Xizang Plateau Guo Pengfei Xinan Pine Vegetation and Variation of the Ecological Environment of Permafrost in Northeast China Lu Guowei Ecological Characteristics of Forest Plants and Its Utilization in the Da Hinggan Ling Permafrost Region Yang Kuichen Change of Permafrost at the Fenghuo Mountain on the Qinghai-Xizang Plateau Zhang Tingjun and Zhou Youwu Degenerating Permafrost in Da Hinggan Ling Yuan Haiyi On the Thermodynamic Base for the Stability of Frozen Soil System Ding Dewen Compilation of the Map of Seasonal Frozen Depth in Jilin Province at 1∶2000000 Zhang Xing and Li Yinrong et al. Relationship Between Flux and Freezing Depth of Soil During Freezing Period——For Instance of the Wujiabao Hydrometric Station in Heilongjiang Province Liu Fusheng Physical Process and Cryogeneous-Texture of Soil During Freezing Wang Jiacheng and Liu Jimin Frost Denudation Landforms at the Hinterland on the Qinghai-Xizang Plateau Zhan Weixin and Xu Shuying et al. Study on Rock Glaciers and Other Periglacial Processes at the area of Tianshan Glacial Station Cui Zhijiu and Zhu Cheng Application of Air Photo to the Analysis of Ground Ice Liang Fengxian and Wang Zhengwen The Boundary of Permafrost Region in East China During Last Glacial Epoch Xu Shuying and Xu Defu et al. The Condition of Palaeo-temperature and the Distinguishing of Last Glacial Epoch in Northern China Sun Jianzhong and Li Xingguo Physico-Mechanical Properties of Frozen Soil Hydraulic Properties and Frost Susceptibility of Unsaturated Soil Chen Xiaobai and Wang Yaqing Statistical Analysis on Frost Heaving Behaviour of Foundation Soil of Water Conservancy Structures in Seasonal Frozen Ground Region Wang Jianguo and Xie Yinqi On Frost Heaving Distribution Along Depth in Seasonal Frozen Ground Region Zhu Qiang and Fu Sining et al. Study on Tangential Frost Heaving Forces on the Reinforced Concrete Bridge Pile Foundation Dai Huimin and Tian Deting et al. Tangential Frost Heaving Forces and Examination of Anti-frost Uplift of Reinforced Concrete Piles Sun Yuliang and Wang liang Test Standard and Design Value of Normal Frost Heaving Force Tong Changjiang and Yu Chongyun et al. Study on Horizontal Frost-heaving Force of Retaining Wall in Seasonal Frozen Ground Region Sui Tieling and Na Wen jie Calculating Method of Frost Heaving Reaction in Seasonal Frozen Ground Region Zhou Youcai Frost Heaving Force on Foundations in Seasonal Frozen Ground Region Xu Shaoxin Triaxial Compressive Strength of Frozen Soil Under Constant Deformation Rates Zhu Yuanlin and D.L.Carbee Creep and Strength Behaviour of Frozen Swelling Clayey Soils Zhang Jianming and Zhang Jiayi Tensile Adfreezing Strength Between Frozen Soil and Foundation Ding jingkang and Lou Anjin et al. Freezing Temperature of Soil and Unfrozen Water Content in Frozen Soil Tao Zhaoxiang and Wang Yujie et al. Study on Characteristics of Moisture Migration in Saturated Freezing Soil Xu Xiaozu and Deng Yousheng et al. On the Direction of Soluble Salt Migration During Freezing Qiu Guoqing and Sheng Wenkun et al. Method for Determining the Thickness of Insulation Layer of Foundation Cooperation Group of Insulation Constrnction of Foundation Numerical Simulation of Critical Height of Embankment with Double Layer and Two Dimentional Phase Change Problem An Weidong and Wu Ziwang Approximate Solutions to Phase-change Problem Li Shuxun Thaw Settlement of Seasonally Frozen Soil Chen Enyuan and Jiang Houg ju Engineering Behavior of Frozen Swelling Soils Wu Ziwang and Zhang Jiayi et al. Development and Application of A Low Temperature Triaxial Testing Apparatus Zhang Changqing Data Acquisition System with High Accuracy for Frozen Soil Testing Wu Bangjun and Zhang Xuezhen Engineering Geocryology Calculation of the Minimum Buried Depth of Building Foundations in Consideration of Frost Susceptibility of Subsoil Jiang Hougju and Cheng Enyuan Frost Heaving Force of Heated Buildings Liu Hongxu Influnce of Heating on the Frozen Depth of Building Foundation Hong Yuping and Jiang Hong ju Frost Damage of Enclosing Wall and Its Preventing Measures Wang Gong shan Study and Application of Strong Tamping to Prevent Frost-heave Han Huaguang and Guo Mingzhu et al. Experiments of Shallow-buried Water Supply Pipes Meng Fan jin Anti-frost Behavionr of Concrete Lined Canal with Different Structures Song Baoqing and Fan Xiuting et al. Frost Characteristic of Saline Soil and Its Effect on Canals Feng Ting Frost Heave and Frost Heave Force of Large U-shaped and Concrete Lined Canals Li Anguo Study and Engineering Practice of Enclosed Foundation of Sluice Yu Baifang and Qu Xiangmin et al. Engineering Classification of Frost Susceptibility of Foundation Soil of Water Conservancy Struclure in Seasonal Frozen Ground Region Xie Yinqi and Wang Jianguo et al. Forecasting of Deformation of Asphalt Paved Frozen Roadbed of the Qinghai-Xizang Highway Wu Ziwang and Liu Yongzhi Calculation of the Critical Height of Asphalt-paved Embankment of the Qinghai-Xizang Highway Zhu Linnan and Wang Guirong et al. Cracking of Asphalt Pavement and lts Prevention Tian Deting and Dai Huimin Sliding of the Slope of Railway Embankment in Permafrost Region and Its Treatment Wang Wenbao Model Test of Ground Temperature Variation of Embankment Ye Bayou and Tong Zhiquan et al. A Preliminary Study on the Calculation of Deformation of Frozen Wall Mi Haizhen Stress Calculation of Frozen Wall with Viscoelastic Plastic Theory Lou Gengda Two New Methods for Calculating Temperature Field of Freezing Wall——Using the Deforming Mesh Finite Element System and the Separating Point of Distortion Fu Liandi and Gao Xingwang Mathematical Model of the Variation of Freezing Wall with Double-circle of Freezing Pipes and Its Numerical Calculation Gao Min
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