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Structures
Teknologidagarne 2013
Trondheim, 24 October
Mario Plos
Associate professorStructural Engineering
mailto:[email protected]:[email protected]7/25/2019 4 Plos Structures
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Architecture
Structures
at Chalmers
Applied
MechanicsBuilding
Materials
Building
Physics
Geo
Engineering
Construction
Management
Structural Engineering
Steel &
Timber
Structures
Concrete
Structures
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Education in Structural Engineering
3 main programmes Civil Engineering (5 years) Building and Civil Engineering (3 years)Architecture and Engineering (5 years)
Master programme Structural Engineering and Building Technology
Structural
systems
FEM basics* Timber
engg.
FEM
structures *
Geo-
technics*
Structural
concrete
Structural
design *
Concrete
structures
Steel
structure
Structural
dynamics*
Building technology
and services engineering
Material
performance
Heat, moisture
engineering
Sustainable building
- competition*
Sound &
vibration*
Build. acoust &
commun noice*
Building
physics
Indoor climate
and HVAC
MastersThesis
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Structural Engineering
People
Prof. Karin LundgrenConcrete Structures(reinforcement corrosion,new reinforcement types
)
Prof. Robert KligerTimber Structures
Prof. Bjrn EngstrmConcrete Structures,Vice head of department
Associate prof.Mohammad Al-EmraniSteel structures,FRP structures
Associate prof.Mario PlosConcrete Structures,Head of division
4 (part-time) professors
6 researchers/teachers (PhDs)
13 PhD students
1 research engineer
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Structural Engineering
Research profile
Design and performance of load carrying structuresfor bridges, buildings and civil engineering structures
Modelling, analysis and simulation of structures,components and materials Development of analysis methods and material
models
Assessment and upgrading of existing structures Structures with new materials and combinations of
materials
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From details to entire structures
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Research methodology
Strategic combination of theoretical analyses and experiments forunderstanding of the mechanical behaviour of structures
Understanding of mechanical behaviour
Safe, sustainable and effective structures
Experiments
Engineering knowledge
Hypothesis
- Conceptual model
Theoretical
modelling
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Laboratory test Nonlinear FE-analysis Optical measurements
Laboratory tests, FE-analysis
and advanced measurement techniques
Nonlinear FE-analysisLaboratory test
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Laboratory and testing resources
Advanced measurement techniques
Full-scale testing
Climate room
and climate
chamber
Material
characterizationComponent testing
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FE-analysis and simulation
Bridge assessemnt
Projectile impact
Multi-scale modellingDamage assessment
LS-DYNA
http://www.mathworks.se/index.htmlhttp://tnodiana.com/content/SolutionsEarthquakehttp://www.google.se/url?sa=i&source=images&cd=&cad=rja&docid=MgzC4KhR2kiD9M&tbnid=HiLgIp-b99KXSM:&ved=0CAgQjRwwAA&url=http://www.nafems.org/media/news/industrynews1003/page94/&ei=hfqlUcKjGo_o4QSOg4CIAg&psig=AFQjCNGiPpFcbe2rjZXnRqMeWUVNZ7sNXA&ust=1369918469472871http://www.franc3d.com/7/25/2019 4 Plos Structures
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Major Scientific Achievements
Concrete Structures
Material modelling of concreteFatigueBlast and impact
Modelling of reinforcementcorrosion
Bond and splittingFlow of corrosion products
Safety formats for non-linear analysis
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Major Scientific Achievements
Steel and Timber Structures
FRP composites for strengthening and repairDesign methods and models
Pre
stressed FRP laminates
Steel structuresFatigue design with local approachesPost-weld treatmentLocal stability and buckling
Timber bridgesStress laminated bridge decks
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Current research
Existing concrete structures
FEM for design and assessmentof bridges
Bridge deck slabs Effects of reinforcement
corrosion
Naturally corroded reinforcement
Effects of fibres
Multi-scale modellingof chloride ingress
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Steel structures
Fatigue design and assessment of bridges FEM based methods
Post-weld treatment
Current research
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Timber structures
Timber bridges Stress laminated
timber decks
In-situ assessment Non-destructive techniques
Current research
( Mt ) ( N)
+ -
NMt
A
B
A
B
N N
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Effective design and construction
Urban Infrastructure Construction EU project Pantura
Effective industrialised bridgeconstruction
Current research
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Current research
Concrete structures with new
reinforcement materials
Fibre reinforced concrete (FRC)
FRC in bridges EU-projekt TailorCrete
Textile reinforced concrete (TRC) Project Homes for Tomorrow
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Structures subjected to explosions
Blast and fragment impact
Novel material model for concrete Extension to fibre reinforced concrete
Recommendations for practice
Current research
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Our research vs. challenges?
A.Advanced predictive infrastructure performance proc. Novel materials and structures Industrial design and construction Service life prediction / deterioration models
B.Enhanced durability and life-time extension Cost effective strengthening Innovative upgrading Structural assessment
F.Resource and energy efficiency (Eco-design) Resource efficient and sustainable structures Improved assessment and strenghtening
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Project proposals
Novel materials and structures
FRC and UHPFRC for improved durability
FRP bridge decks Integrated de-icing and energy storage
Ultra light sandwich steel decks
New combination of materials FRP and TRC sandwich decks
Timber and FRP composite bridges
Innovative bridge design solutions Ultra-light railway bridges for high speed trains Lightweight temporary bridges
Lightweight concrete
Infused FRP plate
Woven textile
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Project proposals
Industrial design and construction
Conceptual design Development of new structural solutions for straight crossing Development of solutions for repair and strengthening
Industrial bridge construction IT-infrastructure for Information
management
UHPFRC
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Project proposals
Extended Life for Existing Structures
Strengthening and upgrading Pre-stressed FRP laminates Long-term performance of FPR
strengthening joints
Upgrading with FRP decks Assessment of bridges
Deteriorated concrete bridges
FE Model updating Structural safety assessment Condition and service life
assessment of timber bridges
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Structures at Chalmers
Conclusions
Well established and successful research environment
Modern research methodology
From details to entire structures
From theoretical modelling to engineering applications
Research driven by urge for safe, sustainable andeffective structures
National and leading international cooperation partners
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Structures
Thank you for your attention!
Mario Plos