4 Plos Structures

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Structures

Teknologidagarne 2013

Trondheim, 24 October

Mario Plos

Associate professorStructural Engineering

[email protected]
mailto:[email protected]:[email protected]


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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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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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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/


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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

[email protected]

4 Plos Structures

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