Analysis and modelling of the seismic behaviour of high ... - Ingegneria

3. SEISMIC BEHAVIOUR OF BOLTED END PLATE BEAM-TO-COLUMN STEEL JOINTS
e/e y +
e/e y +
e/e y +
20
10
0
-10
-20
20
10
0
10
8
6
4
2
0
-2
-4
-6
-8
-10
10
8
6
4
2
0
-2
-4
-6
-8
-10
SDTP-1
(ECCS,1986)
a)
b)
SDTP-2
SDTP-4
CYCLE NUMBER
d)
-6
-8 e)
SDTP-6
CYCLE NUMBER
f)
-12
-16 g)
CYCLE NUMBER
e/e y +
e/e y +
e/e y +
10
8
6
4
2
0
-2
-4
-6
-8
-10
10
8
6
4
2
0
-2
-4
-10
20
16
12
8
4
0
-4
-8
-20
c)
SDTP-3
SDTP-7
CYCLE NUMBER
CYCLE NUMBER
CYCLE NUMBER
SDTP-5
Figure 3.4. Controlled displacement test protocols: a) and b) Variable amplitude cycles in
accordance with the ECCS Procedure (1986); c) Constant amplitude cycles; d), e) and f)
Large amplitudes cycles superimposed upon constant amplitude cycles; g) Random
amplitude cycles.
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