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1、numericalsimulationiswellagreementwiththeresultoftest.5)TheevolutionprocessesofRCClayercrack.Firstly,thedamisdividedandtherandomaggregatemodelofRCCisobtainedonthebasisofblockcuttingmethod.ThenthecohesivecrackmodelofRCCisobtainedbythealgorithmofinsertingcohesiveelement.Finally,underhydrostatic
2、pressure,theevolutionprocessesofRCClayercrackisnumericalsimulatedbyAbaqus.Keywords:randomaggregatecohesiveelementmesoscopicparameterscrackmesoscopicconcretedamIV萬方數(shù)據(jù)目錄引言...................................................................................................................11緒論.....
3、..........................................................................................................21.1研究背景與意義................................................................................21.2混凝土細觀力學(xué)模型........................................................................21.3混凝土裂縫模型
4、................................................................................41.4本文研究的主要內(nèi)容........................................................................62混凝土隨機骨料模型的建立.......................................................................82.1混凝土骨料粒徑分布及常用級配.........................
5、...........................82.2蒙特卡羅法與隨機數(shù)的產(chǎn)生............................................................92.3骨料生成算法..................................................................................102.4投放侵入判別準則..........................................................................152.5四級配混凝土
6、隨機骨料模型生成實例..........................................162.6本章小結(jié)..........................................................................................173混凝土粘結(jié)裂縫模型的建立及開裂過程的模擬.....................................193.1粘結(jié)裂縫模型簡介.....................................................................
7、.....193.2粘結(jié)單元嵌入算法..........................................................................233.3混凝土粘結(jié)裂縫模型......................................................................243.4單軸受拉數(shù)值模擬試驗...................................................
