Page 117 - Advanced Design Examples of Seismic Retrofit of Structures

Example of a Two-Story Unreinforced Masonry Building Chapter 2 109

TABLE 2.14 m-Factors in LSP for Shotcreted URM In-Plane Walls and Piers

Performance Level
Failure f ae ρf y
Reference Mode f me f me IO LS CP
Ghiassi et al. [50] Flexural 0.04 0.07 4 7 8
>0.07 1.5 2.0 2.5
>0.04 0.07 2.0 3.5 4.5
>0.07 1.0 2.0 2.5
Shear 2 2 3
Sliding 1 3 4

0.58 0.41 0.83 0.94 0.94 0.81
0.8 0.96 0.92 0.37 0.92 1.01 0.91 0.22
1.11 1.12 0.84 0.93
0.84
0.96 0.9
1.14 0.22 0.19 0.25 0.58 1.36
0.92 0.79 0.96 0.31
0.33 0.75 0.89
0.27 0.95 0.76 0.71
1.01
0.81
1.14
0.96 1.2 0.6
1.66 1.7 1.660.58 0.35 0.92 0.93 0.73
0.8 0.99 0.89 0.37 0.37 0.37 0.66
(A)

0.44 0.49 0.91 0.92 0.92 0.87
0.84 0.92 0.92 0.36 0.92 0.91 0.96 0.16
0.87 0.87 0.94
1
0.94
1.06 1
1.21 0.35 0.27 0.31 0.39 1.05
0.89 0.56 0.92 0.52
0.45 0.53 0.84
0.47 0.91 0.54 0.89
1.04
1.17
0.55
1.21
1.06 1.03 0.81
0.61 0.72 0.61 0.44 0.35 0.9 0.89 0.77
0.84 0.92 0.92 0.4 0.93 0.95 0.89
(B)
FIG. 2.56 Plan of the vulnerable walls of the example partially shotcreted building with rigid dia-
phragm. (A) Floor story. (B) First story.