Dispositivi Earlyprot per la
protezione di oggetti museali
Gerardo De Canio
Laboratorio Qualificazione Materiali e Componenti
ENEA‐SEDE: Giornata di studio NUOVE IDEE PER L’ADEGUAMENTO SISMICO SEGLI EDIFICI STORICI
Roma 11 Maggio 2010
Semi Passive Anti seismic Devices
Devices “Earlyprot” for Earthquake protection of ¾Movable and semi movable Cultural Heritage Objects
¾Movable and semi movable Cultural Heritage Objects high vulnerable statues, museum teches ¾Strategic Infrastructures and services:
control centers, nuclear safety systems, delicate instruments
FAMIGLIA: ISOLATORI A SCORRIMENTO
Curvatura singola
Curvatura doppia
Superfici di scorrimento: Attrito
Sfera rotante
Sfera rotante + trefoli dissipativi
Marmo / Ceramica / Acciaio
Dispositivi Earlyprot
Early warning + isolators + airbags
1- non invasive devices based on the use of very low stiffness and low
dissipating antiseismic devices made by CERAMIC, MARBLE or STEEL,
blocked in normal conditions and activated by a Seismic Early Warning signal
Devices
made by
Ceramic or
Marble
2- Airbags !! In the cage and on the floor
activated by the Seismic Early Warning signal.
signal
Steel
Seismic Early Warning Systems for
Strategical Infrastructures and CUHE
EPIC
The SEW system is Based on the
diff
difference
b
between
t
th
the underground
d
d
seismic wave velocity and the radio
frequency velocity waves
Depending on the distance of the seismogenetic fault from the
relevant
l
structure to be
b protected,
d the
h early
l warning
i signal
i
l can
anticipate the distruptive waves up to dozen of [email protected]
Cultural Heritage
Unblock the
antiseismic
devices
Steel
Marble
Electrical Cabinet for Nuclear plant
Unblock the
antiseismic
devices
Steel
Quadro elettrico della società IMESA
destinato al mercato Nord America ed Est
Europa.
p classificato cat.1E e q
qualificato alle
azioni sismiche presso il l’ENEA C.R. Casaccia
secondo le norme IEEE_693 ed IEEE_344
6 DOF Shake table for earthquake tests
Qualifica
ambientale
Qualifica
Vibrazioni
e Shock
Taratura
Accelerometri
Qualifica
EMC
Qualifica
Sismica
3D-Vision Motion Capture
Project TREMA_RELUIS: seismic tests on a 1:1.5 model of stone building
Nodi del Grigliato FEM!
Step 1 - markers
Step 2 - Seismic test collapse
Step 3 - ruins
conceptual structure of the DySCo networking configuration.
The remote user share data and images
during the experiment and communicate with the local operator.
ih h l l
At this stage only the local operator is allowed to drive the test. ll
d t d i th t t
Remote User
N° 1
Remote Controlled
Web-cam
Web
cam & 3D3D
Remote User
N° 2
Remote User
N° ….
Vision
Local
Operation
Remote/
Local
Operation
AFS
Local Data
AFS Data Integration
> 4 TByte
Local GRID Cluster
Test configurations
Weight (KN) = 17, 34
D (mm) = 200, 400, 500
R (mm) = 2000 N° Cables = 36, 32, 24, 20, 16, 8, 0 ,
Shaking Table tests:
g
1) Pull‐Release, 2) Shock, 3) Sine Sweep, 4) Sine,
5) Random, 6) Seismic
Test C4: D=400mm, W=17 KN, N=24, A0=200mm
Test C4: D=400mm, W=17 KN, N=0, A0=200mm
Semi Passive Device EARLYPROT
Pull-release tests at different number of dissipating cables
3.00E+02
1C_9Tref
4C_8Tref
5C_6Tref
8C 4T f
8C_4Tref
9C_2Tref
12C_0Tref
2.00E+02
free oscillations ((mm)
1.00E+02
0.00E+00
0.00E+00
2.00E+00
4.00E+00
6.00E+00
8.00E+00
1.00E+01
-1.00E+02
-2.00E+02
-3.00E+02
time (sec)
1.20E+01
1.40E+01
1.60E+01
1.80E+01
0.50
ACC_F1E_SG29
k=1/R, u=3%
0.40
0.30
0.20
acc
c (g)
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-250
-200
-150
-100
-50
0
drfit (mm)
50
100
150
200
250
0.50
ACC_F1E_SG29
k=1/R, u=3%
0.40
0.30
0 20
0.20
acc (g)
0.10
0 00
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-250
-200
-150
-100
-50
0
drfit (mm)
50
100
150
200
250
0.50
sin_x_010g_050Hz
sin
x 010g 050Hz
sin_x_010g_040Hz
sin_x_030g_04Hz
sin_x_030g_05Hz
sin_x_020g_05Hz
k=1/R u=3%
k=1/R,
0.40
0.30
0.20
acc (g)
0.10
0.00
-0.10
-0.20
-0.30
-0.40
-0.50
-250
-200
-150
-100
-50
0
drfit (mm)
50
100
150
200
250
Validazione modello numerico EARLYPROT_M
0.3
X_g
X dev
X_dev
02
0.2
0.1
0
EARLYPROT_M
0
10
20
30
40
50
60
70
-0.1
-0.2
-0
0.3
3
800
600
400
200
0
-0.2
-0.15
-0.1
-0.05 -200 0
-400
-600
-800
0.05
0.1
0.15
0.2
Qualification test set‐up
Seismic qualification of an electrical cabinet made by MERMEC s.p.a
IEEE-344 HRRS
IEEE-344 HRRS X. Y, Z Time Histories
0.8
0.2
Acc_X_Dt=0.005
Disp_X_Dt=0.005
0.15
0.4
0.1
0 2
0.2
0 05
0.05
0
0
0
5
10
15
20
25
30
35
40
45
D
is
p
l(m
)
A
c
c
(g
)
0.6
-0.2
-0.05
-0.4
-0.1
-0.6
-0.15
-0.8
-0.2
0.8
0.2
Ac c_Y_Dt=0.005
Dis pl_Y_Dt=0.005
0.15
0.4
0.1
0.2
0.05
0
0
0
5
10
15
20
25
30
35
40
45
-0.2
-0.05
-0.4
-0.1
-0.6
-0.15
-0.8
-0.2
0.8
D
is
p
l(
m
)
A
c
c
(
g
)
0.6
0.2
Ac c_Z_Dt=0.005
Displ_Z_Dt=0.005
0.15
0.4
0.1
0.2
0.05
0
0
0
5
10
15
20
25
30
35
40
45
-0.2
-0.05
-0.4
-0.1
-0.6
-0.15
-0.8
-0.2
D
is
p
l(m
)
A
c
c
(
g
)
0.6
IEEE‐344_X
IEEE‐344
IEEE
344_ZZ
IEEE‐344_XYZ NOT mandatory
Test Atx *1.4; ATy *1.6
Risultati Qualifica Quadro Elettrico
2.50E+00
Acc_X(g)_DT=0.005
Acc_Y(g)_DT=0.005
_ (g)_
IEEE 693_XY_2%
Spectral Acce
eleration (g)
2.00E+00
1.50E+00
1.00E+00
5.00E-01
0.00E+00
1.00E-01
1.00E+00
1.00E+01
Frequency (Hz)
1.00E+02
Thank You……