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地质力学学报:2009,15(3):209-217
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实践中发展的最大有效力矩准则
(1.教育部造山带与地壳演化重点实验室,北京大学地球与空间科学学院,北京 100871;2.中国地质科学院地质研究所,北京 100037)
THE MAXIMUM-EFFECTIVE-MOMENT CRITERION DEVELOPING IN PRACTICE
(1.The Key Laboratory of Orogenic Belts and Crustal Evolution,Ministry of Edu cation,School of Earth and Space Sciences,Peking University,Beijing 100871,China;2.Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037 ,China)
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投稿时间:2009-05-19    
中文摘要: 最大有效力矩准则发表以来,不断得到新的野外观察和实验结果的验证,正在得到国内外同行的支持。岩石的变形行为取决于自身力学性质、构造层次(包括温度、压力、流体压力等因素)和应变速率。浅构造层次中平面菱网状构造和剖面共轭膝褶带,钝角面对缩短方向,受最大有效力矩准则控制,是对慢应变速率的构造响应。证明应变速率对变形行为的控制程度不亚于构造层次。韧、脆性构造的共存意味着构造演化过程为快、慢应变速率的交替。
Abstract:Since the Maximum-Effective-Moment Criterion was published,it has been obtaining evidence in nature and the laboratory and supports from geologists home and abroad.Behavior of rock during deformation depends on mechanical property itself,structure levels (including such factors as temperature,pressure,fluid) and strain rate.The lozenge features and conjugate kink zones with obtuse angles in the contractional direction at shallow levels are consistent with the criterion and suggested as deformation at low strain rates and conform that the strain rate plays a more important role than the structure level in deformation.Coexistence of brittle and ductile features implies a tectonic evolution with alternation of high and low strain rates.
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基金项目:国家自然科学基金项目(Grant No.90714006;40872133)资助
引用文本:
郑亚东,张进江,王涛,2009.实践中发展的最大有效力矩准则[J].地质力学学报,15(3):209-217.DOI:
ZHENG Ya-dong,ZHANG Jin-jiang,WANG Tao,2009.THE MAXIMUM-EFFECTIVE-MOMENT CRITERION DEVELOPING IN PRACTICE[J].Journal of Geomechanics,15(3):209-217.DOI:

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