| 董毓利,谢和平.循环受压砼全过程声发射实验及其本构关系[J].实验力学,1996,11(2): |
| 循环受压砼全过程声发射实验及其本构关系 |
| Complete Process Acoustic Emission Characteristics and Constitutive Modle of Concrete under Cyclic Compression |
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| DOI： |
| 中文关键词: 砼，循环受压，声发射，损伤，本构关系 |
| 英文关键词:concrete,cyclic compression,acoustic emission,damage,constitutive relationship. |
| 基金项目:国家杰出青年科学基金,国家教委跨世纪优秀人才专项基金 |
| 董毓利 谢和平 |
| 中国矿业大学 |
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| 中文摘要: |
| 本文根据在ＭＴＳ电液伺服试验系统上完成的不同应变控制加载工况的循环受压砼应力—应变全过程试验及相应声发射检测结果分析了受压砼全过程的声发射特性，然后利用损伤力学的等效应变假定建立了考虑不可逆效应的循环受压砼本构关系，该模型兼容理想弹性损伤本构模型和一般弹塑性本构模型。经比较，本文所建模型与实验结果吻合较好。 |
| 英文摘要: |
| By detecting the acoustic emission energy rate during the complete process tests ofconcrete under cyclic compression,the complete process acouStic Characteristics were analyzed. Anew constitutive model was proposed based on the equivalent strain hypothesi |
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