Field Laboratories for Civil Engineering · PDF fileField Laboratories for Civil Engineering Students ... Performance-based Engineering, ... for Structural Analysis

Drexel UniversityDrexel University
Department of Civil, Architectural and Department of Civil, Architectural and Environmental EngineeringEnvironmental Engineering
Field Laboratories for Civil Field Laboratories for Civil Engineering StudentsEngineering Students
CEE 06CEE 06Reforming Civil and Reforming Civil and
Environmental EngineeringEnvironmental Engineering
44--7 October 20067 October 2006
Istanbul, TurkeyIstanbul, Turkey
F.L. Moon and A.E. AktanF.L. Moon and A.E. Aktan
Drexel Intelligent Infrastructure InstituteDrexel Intelligent Infrastructure Institute
Department of Civil, Arch. and Env. EngDepartment of Civil, Arch. and Env. Eng

Presentation OverviewPresentation Overview
The civil engineer and infrastructureThe civil engineer and infrastructure
Primary objectives of field laboratoriesPrimary objectives of field laboratories
Example implementation Example implementation
Example implementation Example implementation
Secondary benefitsSecondary benefits
Challenges Challenges
Relationship with recent recommendationsRelationship with recent recommendations

What is the Future of Civil Eng?What is the Future of Civil Eng?
Indeed, the success of our profession [Civil Engineering] over the formative decades of the 21st century could well depend on how well we
incorporatetechnology into our ongoing efforts to provide the infrastructure that makes a quality life possible for our citizens
-G. Wayne Clough
Former President of Georgia Tech
Clough, G.W. (2000) Civil engineering in the next millennium, CEE New Millennium Colloquium, MIT, March 20-21

The Civil Engineer and InfrastructureThe Civil Engineer and InfrastructureCivil Engineering Domain KnowledgeCivil Engineering Domain Knowledge
Performance-based Engineering, Infrastructure Health Monitoring, Asset
Management
Communicate technical information Communicate technical information
to less technically trained to less technically trained
administrators and to the publicadministrators and to the public
Identify the most relevant data to collect Identify the most relevant data to collect
as well as the density, resolution, and as well as the density, resolution, and
frequency with which to collect it.frequency with which to collect it.
Sensing
Technology
TechnologyTechnology
Data Servers
Advanced Model-
based Simulation
Remote Viewing
& Processing
Public Policy
Decision Analysis
Model Properties
Model Flexibility
Model Properties + Modal Scaling from Impact Tests
Modal Flexibility
CMIF
Peak Pick
Pronys Method
PTD
CMIF
PTD Peak Pick
CMIF PSD Random Decrement
SSI
Experimental Testing
Static Flexibility
Dynamic Testing
Ambient Testing (Random Shaker)
MIMO Impact Testing
Static Testing
Epistemic Uncertainty?
PolicyPolicy--MakersMakers
administrators and to the publicadministrators and to the public
Leverage heuristic knowledge Leverage heuristic knowledge
along with traditional and emergingalong with traditional and emerging
engineering paradigms, to engineering paradigms, to
effectively interpret dataeffectively interpret data

How is Our Infrastructure Performing?How is Our Infrastructure Performing?
If our public works were If our public works were graded on an academic graded on an academic scale, their recent scale, their recent performance would earn a performance would earn a scant scant CC barely barely
ASCE 1998 ASCE 1998 Report CardReport Card
scant scant CC barely barely adequate to support adequate to support current demandscurrent demands
--1988 Report to the President 1988 Report to the President and Congress from the National and Congress from the National Council on Public Works Council on Public Works ImprovementsImprovements
Overall InfrastructureOverall Infrastructure
DDOverall InfrastructureOverall Infrastructure
D+D+
Report CardReport Card
Overall InfrastructureOverall Infrastructure
DD
www.asce.org/reportcard/2005/index.cfm

Engineered SystemsEngineered Systems
Buildings, bridges, highways, buried Buildings, bridges, highways, buried pipes/tunnels, dams, energy etc.pipes/tunnels, dams, energy etc.componentcomponent--,, systemsystem--level level behaviorsbehaviors
What are Civil What are Civil Infrastructures?Infrastructures?
ClimateClimate, , temperaturetemperature,,humidity, precipitationhumidity, precipitationWind, earthquakeWind, earthquakeSoilSoil, water , water
Natural SystemsNatural Systems
UsersUsersDesigners, Designers, managersmanagers
Policy makersPolicy makersFunding mechanismsFunding mechanisms
Human SystemsHuman Systems

Human Sys. Human Sys. User ExpectationsUser Expectations
based
Ap
pro
ach
based
Ap
pro
ach
based
Ap
pro
ach
based
Ap
pro
ach
(Edmunds.com)
The poor correlation between predicted The poor correlation between predicted values of stresses, displacements, drifts and values of stresses, displacements, drifts and other performance indices specified by codes other performance indices specified by codes
2007 Hyundai Accent
Price: $12,565 (MSRP)
Performance Metrics:Horsepower: 110 hp; Max Horsepower: 6000 rpm;
Torque: 106 ft-lbs; Max Torque: 4500 rpm; Turning Circle: 33.1 ft.; EPA Mileage Estimates: 32 mpg / 35 mpg; Range in Miles: 380.8 mi. / 416.5 mi; etc
Warranty:Bumper-to-Bumper: 5 yr. / 60,000 mi. Drivetrain: 10 yr. / 100,000 mi. Rust: 7 yr. / Unlimited mi.
Hamilton Co., OH Bridge (1997)-Over 24 subcontractors for construction-Many Bureaus of ODOT District 6
Price: $1,000,000-2,000,000
Performance Metrics:???
Warranty:NoneP
rod
uct
Pro
du
ct--
based
Ap
pro
ach
based
Ap
pro
ach
Pro
cess
Pro
cess--b
ased
Ap
pro
ach
based
Ap
pro
ach
Aktan, A.E. and F.L. Moon, (2005) Transition Towards
Performance-Based Civil Engineering, 11th Transportation
Engineering and Safety Conference, State College, PA
other performance indices specified by codes other performance indices specified by codes and their actual values following construction and their actual values following construction represents a fundamental barrier to represents a fundamental barrier to PerformancesPerformances--Based EngineeringBased Engineering
--ASCEASCE--SEI PerformanceSEI Performance--Based Design and Evaluation Based Design and Evaluation of CE Facilities Committee (Aktan et al. 2006) of CE Facilities Committee (Aktan et al. 2006)

Human Sys. Human Sys. ManagersManagers
Phares, B.M., G.A. W

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Field Laboratories for Civil Engineering · PDF fileField Laboratories for Civil Engineering Students ... Performance-based Engineering, ... for Structural Analysis