基于ABAQUS的混凝土剪力墻滯回性能的模擬
范浩1，溫四清1，董衛(wèi)國1，施剛2
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(1 中信建筑設(shè)計研究總院有限公司, 武漢 430014; 2 土木工程安全與耐久教育部重點實驗室清華大學(xué)土木工程系, 北京 100084)[摘要] ABAQUS非線性分析能力突出，經(jīng)常用于分析建筑結(jié)構(gòu)在罕遇地震作用下的抗倒塌性能，而結(jié)構(gòu)中的關(guān)鍵抗側(cè)力構(gòu)件——混凝土剪力墻一般采用軟件自帶的損傷塑性本構(gòu)(CDP)進行模擬，但關(guān)于驗證該模型模準確性的研究卻很少。本文詳細介紹了該模型在模擬混凝土剪力墻的滯回性能時各參數(shù)的設(shè)置方法，并模擬了7片墻體的循環(huán)加載性能，計算結(jié)果與相應(yīng)的試驗結(jié)果吻合較好。本文研究表明，作者提出的CDP模型的參數(shù)設(shè)置方法能夠很好的模擬混凝土剪力墻構(gòu)件在循環(huán)荷載下的滯回性能，可用于整體結(jié)構(gòu)分析中。[關(guān)鍵詞] 剪力墻; 滯回性能; 有限元; ABAQUS; 損傷塑性本構(gòu)中圖分類號：TU375，O245 文獻標識碼：A 文章編號：1002-848X(2013)S2-0549-06作者簡介：范浩，碩士研究生，Email：fanhao1956@gmail.com。Simulation of the hysteretic performance of the concrete shear wall in ABAQUSFan Hao 1, Wen Siqing 1, Dong Weiguo 1, Shi Gang 2(1 CITIC General Institute of Architectural Design and Research Co., Ltd., Wuhan 430014, China; 2 Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry, Department of Civil Engineering, Tsinghua University, Beijing 100084, China)Abstract: ABAQUS is very powerful to solve nonlinear problems; therefore, it is often used to analysis the performance of the structure building under rare occurrence earthquake where the key member to resist seismic effect, i.e. concrete shear wall, is simulated by the built-in constitutive model named concrete damaged plasticity (CDP) model. However, research on the accuracy and reliability of this model has rarely been reported. In this paper, methods to determine the exact value of parameters in CDP model were discussed. Further, the cyclic performance of 7 pieces of concrete shear wall was simulated and it showed that the simulation results agreed well with those of the corresponding experiment. This paper proves that the methods approved by the author to set the values of the parameters in CDP model could reproduce the pinch effect of the concrete shear wall under cyclic loading, and it can be used to analysis the seismic performance of the whole building structure.Keywords: concrete shear wall; hysteretic performance; finite element analysis; ABAQUS; concrete damaged plasticity
