REFERENCE APPROACH IDENTIFICATION
Source Geographic Analy- Experi- Test Wall or
No. Location tical? mental? Method System?
Kato, H., Goto, T., and Mizuno, H. Chile X PS, cyclic Wall
1992 10th World Conference on Earthquake
Engineering, pp 3539-3544 Chile X PS, cyclic Wall
Cyclic Loading Tests of Confined Masonry Wall
Elements for Structural Design Development of
Apartment Houses in the Third World Chile X PS, cyclic Wall
Chile X PS, cyclic Wall
OACH IDENTIFICATION REMARKS
Specimen
Geometry? Scale?
Single wall, In-plane Half Specimen A: 3.8% longit. & 1.3% transv reinf ratio
Single wall, In-plane Half Specimen B: 3.8% longit., 0.3% transv.
Single wall, In-plane Half Specimen C: 0.99% longit., 1.3% transv.
Single wall, In-plane Half Specimen D: 0.99% longit., 0.3% transv.
STRUCTURAL IDENTIFICATION
Brick Axial Stress Wall
Material Applied? Length
Clay 3-4 stories ( 1.27 m
Clay 3-4 stories 1.27
Clay 3-4 stories 1.27
Clay 3-4 stories 1.27
CATION
YIELD/CRACKING
Wall
Aspect Ratio DRIFT Remark Std Dev
1.0 0.001
1.0 0.002
1.0 0.002
1.0 0.001
YIELD/CRACKING MAXIMUM
Reported Force or Stress AREA FORCE (kN) DRIFT Std Dev Reported Force
170 0.003
180 0.0025
150 0.0035
135 0.0015
M ULTIMATE (usually defined by % peak)
FORCE (kN) DRIFT Std Dev Reported Force FORCE (kN)
230 0.02 100
235 0.019 120
167 0.02 80
147 0.02 90
ADDITIONAL POINT/TEST END bT,ds * Ductility Strength Failure
DRIFT Reported Force FORCE (kN) Factor Reduction Factor Mode
Shear
Shear
Shear
Shear
POINT B - YIELD
a2 Height Bldg Mass Eff. Mass Meff Drift Displ Sd Force
(a.k.a. k1) (taken at D) (kg) Coeff. (k3) (kg) meters meters kN
1 1.33 153000 0.85 130050 0.0010 0.00133 0.0013 170
1 1.33 153000 0.85 130050 0.0020 0.00266 0.0027 180
1 1.33 153000 0.85 130050 0.0020 0.00266 0.0027 150
1 1.33 153000 0.85 130050 0.0010 0.00133 0.0013 135
B - YIELD POINT C - MAXIMUM STRENGTH POINT D
Keff Sa Drift Displ Sd Force Keff Sa Drift
kN/m (g) meters meters kN kN/m (g)
127820 0.13 0.0030 0.0040 0.0040 230 57644 0.18 0.0200
67669 0.14 0.0025 0.0033 0.0033 235 70677 0.18 0.0190
56391 0.12 0.0035 0.0047 0.0047 167 35875 0.13 0.0200
101504 0.11 0.0015 0.0020 0.0020 147 73684 0.12 0.0200
POINT D - ULTIMATE POINT E - Test End
Displ Sd Force Keff Sa Drift Displ Sd Force
meters meters kN kN/m (g) meters meters kN
0.0266 0.0266 100 3759 0.08
0.0253 0.0253 120 4749 0.09
0.0266 0.0266 80 3008 0.06
0.0266 0.0266 90 3383 0.07
E - Test End
Keff Sa
kN/m (g)
Referece 15 (Kato, et al 1992)
Specimen A Specimen B Specimen C
Point X (Sd) Y (Sa) Point X (Sd) Y (Sa) Point X (Sd)
A 0 0 A 0 0 A 0
B 0.052362 0.13 B 0.104724 0.14 B 0.104724
C 0.157086 0.18 C 0.130905 0.18 C 0.183267
D 1.047242 0.08 D 0.99488 0.09 D 1.047242
E E E
Specimen D
Point X (Sd) Y (Sa)
A 0 0
B 0.052362 0.11
C 0.078543 0.12
D 1.047242 0.07
E
Y (Sa)
0
0.12
0.13
0.06
0.2 Specimen A: high longit & transv reinf
Specimen B: high longit, low transv
Spectral accel., g
Specimen C: low longit, high transv
0.15 Specimen D: low longit & transv
0.1
0.05
0
0 1 2
Spectral displ., Sd, inches