1
Robustezza e Resilienza
di Sistemi Strutturali e Infrastrutturali
Franco Bontempi
Professore Ordinario di Tecnica delle ...
2
www.francobontempi.org
Str
o N
GER
3
Concepts
4
Structural Robustness
ATTRIBUTE
S
RELIABILITY
AVAILABILITY
SAFETY
MAINTAINABILITY
INTEGRITY
SECURITY
FAILURE
ERROR
FAULT...
5
Performance layout
OBJECT
NET
Structural
System
Infrastructural
System
USE
SAFETY
INTEGRITY
f(D)
D
Mean
Frequent
Maximum...
6RESILIENCE
Life Cycle View
7
RESILIENCERESILIENCE
CONSTRUCTIONS
NEW
EXISTING
COLLAPSED
“As Designed”
“As Built”
“As Actual”
“As Failed”
www.francobon...
8
CONSTRUCTIONS
NEW
EXISTING
COLLAPSED
DESIGN
ENVIRONMENT
/
BOUNDARY
CONDITIONS
FSI
“As Designed”
“As Built”
“As Actual”
“...
9
Case
10
11
www.francobontempi.org
Str
o N
GER
Seismic Action
12
www.francobontempi.org
Str
o N
GER
Critical Node
13
WU
WD
HY
CBCR
CU
RETAINING WALL UP (WU) RETAINING WALL DOWN (WD) HYDROELECTRIC POWER STATION (HY)
CONDUIT UP (CU) CONDU...
14
WU
WD
HY
CBCR
CU
(0,0) (92,0)
(92,29)
(0,29)
(0,54)
(0,62) (28.5,62)
(53,56)
(63,45)
(92,32)
(92,34)
System with Elemen...
15
www.francobontempi.org
Str
o N
GER
System with Element connected in Parallel
16
www.francobontempi.org
Str
o N
GER
Structural System Degradation
17
www.francobontempi.org
Str
o N
GER
18
www.francobontempi.org
Str
o N
GER
Damage at Local Level
19
www.francobontempi.org
Str
o N
GER
Damage at Element Level
20
www.francobontempi.org
Str
o N
GER
Damage at Structural Level
21
Design
22
23
24
25
26
www.francobontempi.org
Str
o N
GER
27
Concepts again
28
Perrow
LINEAR interactions NONLINEAR
LOOSEcouplingsTIGHT
www.francobontempi.org
Str
o N
GER
29
FAR FIELD ZONE
EXCHAGE ZONE
STRUCTURE
FAR FIELD ZONE
EXCHAGE ZONE
STRUCTURE
INFRASTRUCTURE
OBJECT
NET
Local / Punctual
...
30
Structural System
31
ATTRIBUTES
THREATS
MEANS
RELIABILITY
FAILURE
ERROR
FAULT
FAULT TOLERANT
DESIGN
FAULT DETECTION
FAULT DIAGNOSIS
FAULT MA...
32
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CTA 2013 Robustezza Strutturale e Resilienza di Sistemi Strutturali e Infrastrutturali

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CTA 2013 Robustezza Strutturale e Resilienza di Sistemi Strutturali e Infrastrutturali

  1. 1. 1 Robustezza e Resilienza di Sistemi Strutturali e Infrastrutturali Franco Bontempi Professore Ordinario di Tecnica delle Costruzioni Facolta’ di Ingegneria Civile e Industriale Universita’ degli Studi di Roma La Sapienza
  2. 2. 2 www.francobontempi.org Str o N GER
  3. 3. 3 Concepts
  4. 4. 4 Structural Robustness ATTRIBUTE S RELIABILITY AVAILABILITY SAFETY MAINTAINABILITY INTEGRITY SECURITY FAILURE ERROR FAULT permanent interruption of a system ability to perform a required function under specified operating conditions the system is in an incorrect state: it may or may not cause failure it is a defect and represents a potential cause of error, active or dormant THREATS 4 NEGATIVE CAUSE STRUCTURALQUALITY more robust less robust
  5. 5. 5 Performance layout OBJECT NET Structural System Infrastructural System USE SAFETY INTEGRITY f(D) D Mean Frequent Maximum Rare Accidental Exceptional BlackSwan SLS ULS ILS
  6. 6. 6RESILIENCE Life Cycle View
  7. 7. 7 RESILIENCERESILIENCE CONSTRUCTIONS NEW EXISTING COLLAPSED “As Designed” “As Built” “As Actual” “As Failed” www.francobontempi.org Str o N GER
  8. 8. 8 CONSTRUCTIONS NEW EXISTING COLLAPSED DESIGN ENVIRONMENT / BOUNDARY CONDITIONS FSI “As Designed” “As Built” “As Actual” “As Failed” HPLC LPHC Black Swan Conceptual Design Innovatice Concepts Structural Oprimization Advanced Materials Special Devices Structural Control Energy Harvesting NATURAL ANTROPIC ACCIDENTAL EXCEPTIONAL SOIL - STRUCTURE WIND - STRUCTURE WAVE - STRUCTURE ACTIONS INTERACTIONS GEOLOGICAL ASPECTS EARTHQUAKES Codes & Standards Information Retrivial Data Mining Risk Analysis Performance Based Design Dependability Structural Identification Structural Health Monitoring Damage Assessment Remaining Capacity Structural Refurbishment Structural Augmentation Codes Compliance Historical and Monumental Costructions Back Analysis Forensic Engineering Legal Issues Components and Structures Testing Experimental Design Rapid Prototyping Fire Explosions Activities
  9. 9. 9 Case
  10. 10. 10
  11. 11. 11 www.francobontempi.org Str o N GER Seismic Action
  12. 12. 12 www.francobontempi.org Str o N GER Critical Node
  13. 13. 13 WU WD HY CBCR CU RETAINING WALL UP (WU) RETAINING WALL DOWN (WD) HYDROELECTRIC POWER STATION (HY) CONDUIT UP (CU) CONDUIT ROSALBA CONDUIT PAVONCELLI BIS 1 2 3 4 5 6 7 1 2 3 4 5 6 7 HYDRAULIC JUNCTION ELECTRICITY WATER Infrastructure plan view Individuation of the system/network components Representation of the system Outputs Node Congestion
  14. 14. 14 WU WD HY CBCR CU (0,0) (92,0) (92,29) (0,29) (0,54) (0,62) (28.5,62) (53,56) (63,45) (92,32) (92,34) System with Element connected in Series
  15. 15. 15 www.francobontempi.org Str o N GER System with Element connected in Parallel
  16. 16. 16 www.francobontempi.org Str o N GER Structural System Degradation
  17. 17. 17 www.francobontempi.org Str o N GER
  18. 18. 18 www.francobontempi.org Str o N GER Damage at Local Level
  19. 19. 19 www.francobontempi.org Str o N GER Damage at Element Level
  20. 20. 20 www.francobontempi.org Str o N GER Damage at Structural Level
  21. 21. 21 Design
  22. 22. 22
  23. 23. 23
  24. 24. 24
  25. 25. 25
  26. 26. 26 www.francobontempi.org Str o N GER
  27. 27. 27 Concepts again
  28. 28. 28 Perrow LINEAR interactions NONLINEAR LOOSEcouplingsTIGHT www.francobontempi.org Str o N GER
  29. 29. 29 FAR FIELD ZONE EXCHAGE ZONE STRUCTURE FAR FIELD ZONE EXCHAGE ZONE STRUCTURE INFRASTRUCTURE OBJECT NET Local / Punctual Scale Global / Regional Scale Structural System Infrastructural System Holistic View Also if artificial, these systems need to have necessarily evolutive soundness, ecological coherence and sustainability characteristics
  30. 30. 30 Structural System
  31. 31. 31 ATTRIBUTES THREATS MEANS RELIABILITY FAILURE ERROR FAULT FAULT TOLERANT DESIGN FAULT DETECTION FAULT DIAGNOSIS FAULT MANAGING DEPENDABILITY of STRUCTURAL SYSTEMS AVAILABILITY SAFETY MAINTAINABILITY permanent interruption of a system ability to perform a required function under specified operating conditions the system is in an incorrect state: it may or may not cause failure it is a defect and represents a potential cause of error, active or dormant INTEGRITY ways to increase the dependability of a system An understanding of the things that can affect the dependability of a system A way to assess the dependability of a system the trustworthiness of a system which allows reliance to be justifiably placed on the service it delivers SECURITY High level / active performance Low level / passive performance Dependability
  32. 32. 32

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