INFORMATIONTECHNOLOGIES INCONSTRUCTIONSECTOR H CHARRUE Herve CHARRUE Research Director with special thanks to CSTB Departments 12/2010 JAPAN| DIRECTION DE LA RECHERCHE PAGE 1 TIDS – DAE - ESE – DSSF -DESH ITINCONSTRUCTIONSECTOR CONTEXT COMPLEXITY C OS MAINEXPECTATIONS ITAPPLICATIONS CSTBSTRATEGY MODELING&SIMULATION NEXT STEPS NEXTSTEPS PAGE 2
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cstb IT IN CONSTRUCT ON VF 101209 · context franceurbanizationfranceurbanization french urban population trend 1846 - 1999 millions inhabitants 1936 41,5 mio inh. % 80 100 total
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INFORMATION�TECHNOLOGIES
IN�CONSTRUCTION�SECTORH CHARRUEHerve CHARRUE
Research Director
with special thanks to CSTB Departments
12/2010 JAPAN| DIRECTION DE LA RECHERCHE PAGE 1
p pTIDS – DAE - ESE – DSSF -DESH
IT�IN�CONSTRUCTION�SECTOR
� CONTEXT
� COMPLEXITY
C O S� MAIN�EXPECTATIONS
� IT�APPLICATIONS
� CSTB��STRATEGY
� MODELING�&�SIMULATION�
� NEXT STEPS� NEXT�STEPS
PAGE 2
CONTEXTPOPULATIONPOPULATION
WORLD�WIDE��POPULATION�
6,9 MDSAGEING
PAGE 3
CONTEXTURBANIZATIONURBANIZATION
total population of the cities higher than 2 millions inhabitants
WORLDWIDEWORLD�WIDE�URBANIZATION�RATE�
population density(Inhab /sq km)
% cities > 2 millions inhab
+ 30% POPULATION WWLIVE IN CITY > 1Mio InH
total population of the cities higher than 2 millions inhabitants
(Inhab /sq km) vs total populationLIVE IN CITY 1Mio InH
(millions)
PAGE 4
TH. BRINKHOFF PRINCIPAL AGGLOMARATIONS OF THE WORLD TOTAL POPULATON STATISTICS
CONTEXTFrance URBANIZATIONFrance�URBANIZATION�
FRENCH URBAN POPULATION TREND 1846 - 1999
MILLIONS INHABITANTS193641,5 Mio InH.
%
80
100
TOTAL
URBAN RURAL
60200965 Mio InH.
URBANIZATION
RATE %
RURAL
PAGE 5
CONTEXTRAPID GROWTHRAPID�GROWTH
SPEED OF GROWTH SHENZENSUSTAINABLE CITY CHALLENGES
MODELING�&�SIMULATIONFROM NANO TO APPLICATIONFROM�NANO�TO�APPLICATION�
CONCRETE : POROUS, HIGHLY HETEROGENEOUS, INCLUDIND RESIDUAL WATER. INFLUENCE OF MICROSTRUCTURE ON GLOBAL BEHAVIOUR UNDER MECHANICAL & THERMAL SOLICITATIONS DUE TOMECHANICAL & THERMAL SOLICITATIONS DUE TO WATER CONTENT
IMPACT ON TYPE OF DAMAGE UNDER FIRE CONDITIONS
� adsorbed water� inter layer waterSereda et al
(SPLITTING, FLAKING) PARTICULARLY FOR HIGH PERFORMANCE CONCRETE
MODELING�&�SIMULATIONFROM NANO TO APPLICATION CONCRETEFROM�NANO�TO�APPLICATION�� CONCRETE�
SIMULATION MODEL CONCRETEd�
dd�
VARIABLES
Liquid phaseiTEMPERATURE – MOISTURE
MECHANIC i
idm�
dPi= [P]Water vaporDry air
i
HIGH TEMPERATURE EFFECT
GAZ PRESSURE (AIR, VAPOUR)
dS dT
PARAMETERS( , )
LIQUIDE & CAPILLARY PRESSURE
THERMO MECHANICAL DAMAGE
MECHANIC THERMIC
K G C
PARAMETERS
THERMO – MECHANICAL DAMAGE
DAMAGE IMPACT ON PERMEABILITY
WATER
K0 , G C
�i
mb i
�
WATERN ij
MODELING�&�SIMULATIONFROM NANO TO APPLICATION CONCRETE
NUMERICAL CONCRETE
FROM�NANO�TO�APPLICATION�� CONCRETE��
NUMERICAL CONCRETEMULTI PHASE CONCRETE WITH RANDOM DISTRIBUTION OF AGGREGATES AND PORESTAKING INTO ACCOUNT REAL GRANULOMETRY OF STUDIED CONCRETE
AGGREGATE
MESH
FEM
PAGE 27
MODELING�&�SIMULATIONFROM NANO TO APPLICATION ANCHORFROM�NANO�TO�APPLICATION�� ANCHOR�
The failure occurs by a local concrete damage in front ofThe failure occurs by a local concrete damage in front ofthe anchor followed by a steel failure
Load displacement curves: shear failureexperimental and simulation results.
MODELING�&�SIMULATIONFROM NANO TO APPLICATION BRIDGEFROM�NANO�TO�APPLICATION��� BRIDGE�
FLUID DYNAMIC MODEL
+ AERODYNAMIC CONDITIONS
BASED ON METEOROLOGICAL MODEL
Simplified 2D model
Fluid mesh 30 knods
PAGE 29
MODELING�&�SIMULATIONCITY SCALE TRAFIC
TRAFFIC MODEL INTEGRATION WITHIN AN URBAN
CITY�SCALE�� TRAFIC
TRAFFIC MODEL INTEGRATION WITHIN AN URBANINFORMATION MODEL (COLLABORATION WITH INRETS)
TWO MODELING LEVELS� Macroscopic model at the city level : impact of (re)development actions on traffic� Microscopic model : each vehicle interacts with surrounding vehicles
CREATION OF 3D HIGH DEFINITION MODELS USING SIMPLE PHOTOS� AUTOMATIC PROCESS INDEPENDENT FROM EXPOSITION & ZOOM� AUTOMATIC PROCESS INDEPENDENT FROM EXPOSITION & ZOOM� HIGH PERFORMANCE ALGORITHMIC few hours of computing time
� ABILITY TO DESCRIBE FROM A PHYSICAL STAND POINT FROM LARGE TO NARROW SCALE AT CITY LEVEL AS A LIMIT CONDITION OF THE BUILDING
� NECESSITY TO DESCRIBE BUILDING AT THE � NECESSITY TO DESCRIBE BUILDING AT THE COMPONANT SCALE IN ORDER TO PRECISELY SIMULATE HOW IT WORKSSIMULATE HOW IT WORKS
Page 38
MODELING�&�SIMULATION
BUILDING INFORMATIONMODELBUILDING�INFORMATION�MODEL
� BIM MODELS GENERALLY MADE OF GENERICMATERIALS COMPONENTS SYSTEMSMATERIALS – COMPONENTS - SYSTEMS
� DO NOT CONTAIN REAL AND PRECISE DESCRIPTION OFINDUSTRIAL PRODUCTS AND SYSTEMS USED IN THE INDUSTRIAL PRODUCTS AND SYSTEMS USED IN THE CONSTRUCTION PROJECT
MODELING�&�SIMULATIONCOLLABORATION CSTB / SAINT GOBAINCOLLABORATION�CSTB�/�SAINT�GOBAIN
� OBJECTIVE: TO DESCRIBE A SYSTEM IN BIM, BASED ON IFC STANDARD, � DESCRIPTION SHOULD EXPRESS CONSTRUCTION GUIDELINES OF SYSTEMS� GEOMETRY AND POSITION OF THE PRODUCTS ARE CONSTRAINED BY THEGEOMETRY AND POSITION OF THE PRODUCTS ARE CONSTRAINED BY THE
CHARACTERISTICS OF EACH PROJECT� PRODUCTS CHOSEN ACCORDING TO REGULATION CONSTRAINTS &
PERFORMANCES THE DESIGNER WANTS TO ACHIEVEPERFORMANCES THE DESIGNER WANTS TO ACHIEVE.
Page 43
MODELING�&�SIMULATIONARCHITECTURE OF IFC CONFIGURATORARCHITECTURE�OF�IFC�CONFIGURATOR
C l f I d i l
Simple BIM
Catalogue from Industrials
ProductsProductsProductsArticles
ArticlesArticles D i
Regulation DB (/country)
DocsmultimediaDocs
multimediaDocslti di
IFCArticles . Designer
Interface(/country)= rules and
performances to achieve
multimedia
XML XML
Systems EnrichedIFC
1. Industrial building BIM-IFCmodel
developmentworkshop To simulation & calculation tools (thermal,
Thermal simulations Environmental impact Costs and descriptions
Page 46
NEXT�STEPSKEY ISSUESKEY�ISSUES
HAVING THE ABILITY TO DESCRIBE VARIOUS SOLUTIONS UNDER VARIOUS LIMIT CONDITIONS AND PRECISIONUNDER VARIOUS LIMIT CONDITIONS AND PRECISION
� INTEGRATE USAGE & USER COPORTMENTUSER ACCEPTABILITY SOCIAL & ECONOMY� USER ACCEPTABILITY - SOCIAL & ECONOMY
� OBSERVATION OF REALITY & DATA MANAGEMENT
TOWARDS A MAJOR CHANGE IN THE CONSTRUCTION SECTOR AND ALL ITS ACTORS TROUGH IT SOLUTIONSFORSECTOR AND ALL ITS ACTORS TROUGH IT SOLUTIONSFORCONCEPTION – ENGINEERING - TRAINING - MANAGEMENT