Static inelastic analysis of RC shear walls
Chen Qin (陈勤) and Qian Jiaru (钱稼茹)
Department of Civil Engineering, Tsinghua University, Beijing 100084,China
Abstract: A macro-model of a reinforced concrete (RC) shear wall is
developed for static inelastic analysis. The model is composed of RC column
elements and RC membrane elements. The column elements are used to model the
boundary zone and the membrane elements are used to model the wall panel.
Various types of constitutive relationships of concrete could be adopted for the
two kinds of elements. To perform analysis, the wall is divided into layers
along its height. Two adjacent layers are connected with a rigid beam. There are
only three unknown displacement components for each layer. A method called
single degree of freedom compensation is adopted to solve the peak value of the
capacity curve. The post-peak stage analysis is performed using a forced
iteration approach. The macro-model developed in the study and the complete
process analysis methodology are verified by the experimental and static
inelastic analytical results of four RC shear wall specimens.
Keywords: RC shear wall; macro-model; static inelastic analysis;
experiment
