Models for Simulating the Seismic Response of Concrete Structures - Dynamic Behavior of Concrete and Seismic Engineering - page 251

Frame without
filling

Frame with
filling

475 years - 2.18 m/s 2 Seismic level

Displacement 60.8 mm 10.2 mm

Shear load at the basis 209 kN 754 kN

975 years - 2.88 m/s 2

Seismic level

116.7 mm (1) Displacement 22.3 mm

Shear load at the basis 217 kN 846 kN

2000 years - 3.73 m/s 2 Seismic level

Displacement / 40.6 mm

Shear load at the basis / 529.2 kN

Table 7.1. Main experimental results of pseudo-dynamic tests on 4-storey frames carried out
at the ELSA (Ispra, Italy). Tests stopping before the end of the signal

0.20 0.20 0.50 0.20

2.30 4.65 4.65

0.50

2.0 x 1.1 1.2 x 1.1 2.20

0.50

2.20

2.0 x 1.1 1.2 x 1.1

1.30 m 1.35 m 2.65 m

0.80 m

0.50

0.30 m

2.20 1.30 m

1.2 x 1.1

2.0 x 1.1

1.30 m

0.80 m

0.50

0.30 m 0.30

2.60 m

2.20

1.2 x 1.1

2.0 x 1.9

1.30 m

0.80 m

0.80 m

0.20 0.20 0.60 0.20

2.30 4.60 4.60

Figure 7.12. 4-storey frame tested at ELSA (CCR, Ispra, Italy)

The artificial signals used for these high-level pseudo-dynamic tests
corresponded to earthquakes with 475, 975 and 2,000 year return periods. Front
displacements and shear loads at the basis of the structure measured during the tests
are given in Figure 7.1 for the seismic levels applied.