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

Table 2

Base shear comparison between force-based design and DDBD.

Number of frames	Base shear from FBD (kN)	Base shear from DDBD (kN)	Base shear (FBD)/base shear (DDBD)	Error
YKJ-1	383.632	310.68	1.23	−19.02%
YKJ-2	897.37	780.51	1.15	−13.02%
YKJ-3	666.58	684.59	0.97	2.70%
YKJ-4	342.81	290.31	1.18	−15.31%
YKJ-5	464.48	363.24	1.28	−21.80%
YKJ-6	1031.15	891.58	1.16	−13.54%
YKJ-7	544.64	441.4	1.23	−18.96%
YKJ-8	1188.89	983.03	1.21	−17.32%
YKJ-9	834.33	676.5	1.23	−18.92%
YKJ-10	1782.51	1482.73	1.20	−16.82%
YKJ-11	693.87	545.57	1.27	−21.37%
YKJ-12	1549.93	1394.74	1.11	−10.01%
YKJ-13	561.615	419.65	1.34	−25.28%
YKJ-14	1315.35	1132.17	1.16	−13.93%
YKJ-15	493.85	404.59	1.22	−18.07%
YKJ-16	1013.83	1034.08	0.98	2.00%
YKJ-17	486.19	402.47	1.21	−17.22%
YKJ-18	1136.12	985.24	1.15	−13.28%
YKJ-19	690.2	566.92	1.22	−17.86%
YKJ-20	1506.34	1239.11	1.22	−17.74%
YKJ-21	1057.1	863.32	1.22	−18.33%
YKJ-22	2258.44	1850.16	1.22	−18.08%
YKJ-23	711.57	542.73	1.31	−23.73%
YKJ-24	1666.55	1409.73	1.18	−15.41%
Mean			1.20	−15.85%

Note: error = (base shear from DDBD − base shear from FBD)/base shear from DDBD.