1. SEI 2013
1
Jul.2010MSdegree
Ph.D.StudentNov.2010
Sapienza University of Rome
Timeline (2010 – 2013)
Mar.2010
Feb.2012
Handling
Exceptions 10
Handling Exceptions in Structural Engineering:
Structural Systems, Accidental Scenarios, Design Complexity
Rome, July 8 and 9, 2010 – http://www.francobontempi.org/handling.php
FLUG Meeting
by GexCon
Sept.2011
Eurosteel 2011
Oct.2011
CTA 2011
Jul.2012
P.E.
Lehigh University
Class Lecture
CEE-467-043-SP12
TISP Conference 2012
Mar.2012
Apr.2012
IABMAS 2012
PCI 2012
Sapienza Lehigh NTUA Athena
Apr.2013
May2013
Jul.2013
TISP Conference 2013
Sept.2013
ISIEMS 2013
Structural
Robustness
Close-in and far field
detonations on
cladding panels
Prob.
blast
design
Timeline(2010-2013)
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Jun.2013
Prob.
blast
design
Close-in
and …
- 20 March 2013 -

2. 2
PCI Committee report (Chairman:
Seeber KE). State-of-the-art of
precast/prestressed sandwich wall
panels. PCI Journal 1997; 42(2): 1-60.
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels Intro on sandwich panels
- 20 March 2013 -

3. 3
#3@18” #4@8”
t1
64” (1.6 m)
#3@18” #4@8”
t2
tf
64” (1.6 m)
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels Intro on sandwich panels – Layout
- 20 March 2013 -

4. 4 Close-in Detonations – Scenario
D
R
L
h
Typical cylindrical
cased charge, W
Equivalent
hemispherical
surface charge, Wadj
Concrete wall
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
Failed concrete
Concrete fragments
- 20 March 2013 -

5. 5 Close-in Detonations – Numerical model
64”(1.6m)
8’ (2.4 m)
64” (1.6 m)
12’(2.4m)
fix
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

6. 6
Concrete
A A’
Y
X
Section view
A A’
Y
Z
Plane view
Foam
Concrete
Detonation
Close-in Detonations – Detonation scenario
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
64”(1.6m)
5” (12.7 cm)
- 20 March 2013 -

7. 7 Cladding panels – Model validation
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Concrete
plate
Explosive
Different
stand-off
distance
Rubberized
Concrete
plate
VALIDATION OF THE MODEL by previous experimental tests
- 20 March 2013 -

8. 8
Experimental Numerical
ModelRearviewFrontview
VALIDATION OF THE MODEL
Close-in Detonations – Model validation
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

9. 9
NumericalSectionview
VALIDATION OF THE MODEL
Close-in Detonations – Model validation
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

10. Name Notes
(6C) 6" concrete
(C,1F,C) 3" conc. - 1" foam - 3" conc.
(C,2F,C) 3" conc. - 2" foam - 3" conc.
(C,3F,C) 3" conc. - 3" foam - 3" conc.
(C,5F,C) 3" conc. - 5" foam - 3" conc.
(C,03S,3F,C) 3" conc. - 0.03" liner - 3" foam - 3" conc.
(C,05S,3F,C) 3" conc. - 0.05" liner - 3" foam - 3" conc.
10 Close-in Detonations – Setup of the numerical models
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

11. 11 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
6C

12. 12 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,1F,C

13. 13 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,2F,C

14. 14 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,3F,C

15. 15 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,5F,C

16. 16 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,03S,3F,C

17. 17
6C C,1F,C
C,2F,C C,3F,C
C,5F,C C,03S,3F,C
Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

18. 18 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
6C

19. 19 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,1F,C

20. 20 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,2F,C

21. 21 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,3F,C

22. 22 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,5F,C

23. 23 Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -
C,03S,3F,C

24. 24
6C C,1F,C C,2F,C
C,3F,C C,5F,C C,03S,3F,C
Close-in Detonations – Results
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -

25. 25
5 in. foam
3 in. concrete
3 in. concrete
support
concrete breach
5 in. stand-off detonation
concrete cracks
SP’s square portion subjected to a close-in detonation.
Close-in Detonations – Num. prediction on the exp. setup
Pierluigi Olmati, P.E., Ph.D. Student
Sapienza University of Rome
Advisor: Prof. Franco Bontempi
Co-Advisor: Prof. Clay J. Naito
Claddingpanels
- 20 March 2013 -