刘增利   

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Supervisor of Master's Candidates

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Paper Publications

Title of Paper:冻土断裂力学在桩基冻拔稳定计算中的应用

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Date of Publication:1998-01-01

Journal:冰川冻土

Included Journals:PKU、CSCD

Volume:20

Issue:2

Page Number:112

ISSN No.:1000-0240

Key Words:冻土断裂力学; 应力强度因子; 断裂判据; 桩基冻拔

Abstract: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.在此基础上讨论了断裂判据以及应力强度因子的计算表达式.最后通过实际算例详尽的说明断裂力学方法在桩基冻拔稳定性计算中的应用,并与现行方法做了对比.比较结果表明,断裂力学方法不仅是有效的,而且比现行方法更为完善.

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