Research Article

A Relative Reliability Approach for Direct Displacement-Based Seismic Design of Partially Prestressed Reinforced Concrete Frame Structures

Table 4

Performance point coordinates and related parameters of frame designed according to DDBD under frequent earthquake risk.

Number of framesPerformance point ()Performance point ()Story drift ratio of performance pointTarget drift ratioRelative error

YKJ-1(0.00946, 0.3081)(277.10, 0.01139)1/13301/13994.93%
YKJ-2(0.01538, 0.7411)(679.72, 0.01853)1/8261/8502.82%
YKJ-7(0.01271, 0.2370)(368.04, 0.01585)1/17331/1399−19.3%
YKJ-8(0.02148, 0.5505)(873.99, 0.02680)1/9691/850−14.0%
YKJ-9(0.01193, 0.2506)(579.10, 0.01488)1/18271/1399−23.4%
YKJ-10(0.02089, 0.5642)(1328.4, 0.02610)1/9951/850−17.0%
YKJ-13(0.01000, 0.2933)(390.00, 0.01204)1/12261/139912.4%
YKJ-14(0.01523, 0.7473)(1009.6, 0.01835)1/8211/8503.41%
YKJ-19(0.01626, 0.2975)(461.99, 0.02028)1/13831/13991.14%
YKJ-20(0.02714, 0.6991)(1109.9, 0.03387)1/7691/8509.53%

Note: relative error = (story drift ratio of performance point − target drift ratio)/story drift ratio of performance point.