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		基于t准则的各向异性强度准则及变换应力法 1)
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			ANISOTROPIC STRENGTH CRITERION BASED ON T CRITERION AND THE TRANSFORMATION STRESS METHOD 1)
			 
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		 图 7. 各向同性不同$t$值下偏平面上的破坏曲面  | 
	
Fig. 7. Failure surfaces with different a value at deviatoric planein isotropic stress space  | 
	
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