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high performance concrete

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high performance concrete

  1. 1. 1 A SEMINAR ON Presented by, Santhosh Rajesh.S.P Sai Sujay Rakshit.P HIGH PERFORMANCEHIGH PERFORMANCE CONCRETECONCRETE
  2. 2. CONTENT Introduction Salient Features Selection Of Materials Behavior Of Fresh HFC Behavior Of Hardened HFC Applications Case Study Advantage And Disadvantages 2
  3. 3. 3 INTRODUCTIONINTRODUCTION •CONCRETE-MOST WIDELY USEDCONCRETE-MOST WIDELY USED CONSTRUCTION MATERIALCONSTRUCTION MATERIAL •ANNUAL CONSUMPTION-100 MILLION mANNUAL CONSUMPTION-100 MILLION m33 •CONVENTIONAL CEMENT CONCRETE ISCONVENTIONAL CEMENT CONCRETE IS DEFICIENT OF IT’S,DEFICIENT OF IT’S, a.a.DURABILITYDURABILITY b.b.TIME CONSUMPTIONTIME CONSUMPTION c.c.ENERGY ABSORPTIONENERGY ABSORPTION
  4. 4. 4 SALIENT FEATURES OF HIGHSALIENT FEATURES OF HIGH PERFORMANCE CONCRETEPERFORMANCE CONCRETE •HIGH WORKABILITYHIGH WORKABILITY •HIGH COMPRESSIVE STRENGTHHIGH COMPRESSIVE STRENGTH •SEVERE ENVIRONMENTSEVERE ENVIRONMENT •COSTCOST
  5. 5. 5 DEFINITIONDEFINITION ““A CONCRETE WHICH MEETS SPECIALA CONCRETE WHICH MEETS SPECIAL PERFORMANCE AND UNIFORMITYPERFORMANCE AND UNIFORMITY REQUIREMENTS THAT CANNOT ALWAYS BEREQUIREMENTS THAT CANNOT ALWAYS BE ACHIEVED ROUTINELY BY USING ONLYACHIEVED ROUTINELY BY USING ONLY CONVENTIONAL MATERIALS AND NORMALCONVENTIONAL MATERIALS AND NORMAL MIXING,PLACING AND CURING PRACTICES”MIXING,PLACING AND CURING PRACTICES”
  6. 6. 6 SELECTION OF MATERIALSSELECTION OF MATERIALS SELECTION OF SUITABLE INGREDIENTSSELECTION OF SUITABLE INGREDIENTS DETERMINATION OF QUANTITIESDETERMINATION OF QUANTITIES CAREFUL QUALITY CONTROLCAREFUL QUALITY CONTROL
  7. 7. 7 CEMENTCEMENT LITTLE AMOUNT OF CLITTLE AMOUNT OF C33AA FINELY GROUNDFINELY GROUND FAIR AMOUNT OF CFAIR AMOUNT OF C33SS FINE AGGREGATESFINE AGGREGATES RIVER SAND AND CRUSHED STONESRIVER SAND AND CRUSHED STONES COARSER SANDCOARSER SAND
  8. 8. 8 COARSE AGGREGATECOARSE AGGREGATE STRONGEST COMPONENTSTRONGEST COMPONENT SIZE NOT EXCEEDING 20MPaSIZE NOT EXCEEDING 20MPa CUBIC IN SHAPECUBIC IN SHAPE NOT FLAKY OR ELONGATEDNOT FLAKY OR ELONGATED
  9. 9. 9 IMPORTANT INGERDIENTIMPORTANT INGERDIENT BINDING AGENTBINDING AGENT EXCESS WATER IS UNDESIRABLEEXCESS WATER IS UNDESIRABLE WATERWATER
  10. 10. 10 CHEMICAL ADMIXTURESCHEMICAL ADMIXTURES IMPROVE WORKABILITYIMPROVE WORKABILITY DECREASE IN WATER REQUIREMENTDECREASE IN WATER REQUIREMENT TYPES OF CHEMICAL ADMIXTURES:TYPES OF CHEMICAL ADMIXTURES:  PLASTICIZERSPLASTICIZERS  SUPER PLASTICIZERSSUPER PLASTICIZERS  RETARDERSRETARDERS  AIR ENTRAINING AGENTSAIR ENTRAINING AGENTS
  11. 11. 11 MINERAL ADMIXTURESMINERAL ADMIXTURES CEMENT MATRIX-DENSER ANDCEMENT MATRIX-DENSER AND STRONGERSTRONGER TYPES OF MINERAL ADMIXTURESTYPES OF MINERAL ADMIXTURES  FLY ASHFLY ASH  SILICA FUMESILICA FUME  CARBON BLACK POWDERCARBON BLACK POWDER  ANHYDROUS GYPSUM BASEDANHYDROUS GYPSUM BASED MINERAL ADMIXTURESMINERAL ADMIXTURES
  12. 12. 12 BEHAVIOUR OF FRESH HPCBEHAVIOUR OF FRESH HPC •WORKABILITYWORKABILITY VERY GOODVERY GOOD PUMPED VERY WELLPUMPED VERY WELL WITHOUT SEGREGATION ANDWITHOUT SEGREGATION AND VOIDSVOIDS
  13. 13. 13 SETTING TIMESETTING TIME DEPENDS ON APPLICATIONDEPENDS ON APPLICATION WATER REDUCING ADMIXTURESWATER REDUCING ADMIXTURES
  14. 14. 14 BEHAVIOUR OF HARDENED HPCBEHAVIOUR OF HARDENED HPC •SHORT TERM PROPERTIES:SHORT TERM PROPERTIES: COMPRESSIVE STRENGTHCOMPRESSIVE STRENGTH TENSILE STRENGTHTENSILE STRENGTH •LONG TERM PROPERTIES:LONG TERM PROPERTIES: DURABILITYDURABILITY (POROSITY,PERMEABILITY,FREEZE-THAW(POROSITY,PERMEABILITY,FREEZE-THAW RESISTANCE AND ABARASION RESISTANCE)RESISTANCE AND ABARASION RESISTANCE) CREEP AND SHRINKAGECREEP AND SHRINKAGE
  15. 15. 15 STRENGTHSTRENGTH CONSTITUENT MATERIALSCONSTITUENT MATERIALS METHOD OF TESTINGMETHOD OF TESTING RATE OF LOADINGRATE OF LOADING CURING TECHNIQUESCURING TECHNIQUES
  16. 16. 16 COMPRESSIVE STRENGTHCOMPRESSIVE STRENGTH 28 DAYS STRENGTH UPTO 80 Mpa28 DAYS STRENGTH UPTO 80 Mpa 90 DAYS STRENGTH UPTO 130 Mpa90 DAYS STRENGTH UPTO 130 Mpa FUTURE-140MPaFUTURE-140MPa
  17. 17. 17 TENSILE STRENGTHTENSILE STRENGTH GOVERNS THE CRACKING BEHAVIOURGOVERNS THE CRACKING BEHAVIOUR DIRECT TENSILE TESTDIRECT TENSILE TEST SPLIT TENSILE TESTSPLIT TENSILE TEST
  18. 18. 18 DURABILITY CHARACTERISTICSDURABILITY CHARACTERISTICS LOW PERMEABILITYLOW PERMEABILITY STEEL PROTECTEDSTEEL PROTECTED ABRASION RESISTANCEABRASION RESISTANCE
  19. 19. 19 WHEN TO USE HPCWHEN TO USE HPC SEVERE EXPOSURE CONDITIONSSEVERE EXPOSURE CONDITIONS INCREASE DURABILITYINCREASE DURABILITY PREVENT DETERIORATION OFPREVENT DETERIORATION OF CONCRETECONCRETE
  20. 20. 20 APPLICATIONSAPPLICATIONS BRIDGESBRIDGES HIGH RISE BUILDINGSHIGH RISE BUILDINGS TUNNELSTUNNELS PAVEMENTSPAVEMENTS NUCLEAR STRUCTURESNUCLEAR STRUCTURES
  21. 21. 21 CASE STUDYCASE STUDY:: JOIGNY BRIDGEJOIGNY BRIDGE BUILT ACROSS RIVER YONNEBUILT ACROSS RIVER YONNE THREE SPAN BRIDGETHREE SPAN BRIDGE HEIGHT OF 220mHEIGHT OF 220m WIDTH OF 15.8mWIDTH OF 15.8m FRENCH CODESFRENCH CODES
  22. 22. 22 REDUCTION IN CONCRETEREDUCTION IN CONCRETE VOLUMEVOLUME 28 DAYS STRENGTH OF 70MPa28 DAYS STRENGTH OF 70MPa PUMPINGPUMPING SUFFICIENT SETTING TIMESUFFICIENT SETTING TIME
  23. 23. 23 CONCRETE STRENGTH-91.7MPaCONCRETE STRENGTH-91.7MPa AND 65.5MPaAND 65.5MPa TENSILE STRENGTH-5.1MPaTENSILE STRENGTH-5.1MPa FIRST BRIDGE WITH 60MPaFIRST BRIDGE WITH 60MPa COMPLETED IN 1989COMPLETED IN 1989
  24. 24. 24 JOIGNY BRIDGE
  25. 25. 25 PETRONAS TOWERS
  26. 26. 26 NUCLEAR REACTOR, FRANCENUCLEAR REACTOR, FRANCE
  27. 27. 27 LA GRANDE ARCHE, PARISLA GRANDE ARCHE, PARIS
  28. 28. 28 THE RE ISLAND BRIDGE,FRANCETHE RE ISLAND BRIDGE,FRANCE
  29. 29. 29 THE GREAT HASSAN II MOSQUE,MOROCCOTHE GREAT HASSAN II MOSQUE,MOROCCO
  30. 30. 30 HIGHWAY BRIDGE, HONGKONGHIGHWAY BRIDGE, HONGKONG
  31. 31. 31 WATER TOWERWATER TOWER PLACE,CHICAGOPLACE,CHICAGO
  32. 32. 32 ADVANTAGESADVANTAGES REDUCTION IN SIZE OFREDUCTION IN SIZE OF STRUCTURAL MEMBERSSTRUCTURAL MEMBERS SPEED OF CONSTRUCTIONSPEED OF CONSTRUCTION WORKABILITY ANDWORKABILITY AND PUMPABILITYPUMPABILITY ECONOMICAL MATERIAL INECONOMICAL MATERIAL IN TERMS OF TIME AND MONEYTERMS OF TIME AND MONEY
  33. 33. 33 HIGHER SEISMIC RESISTANCEHIGHER SEISMIC RESISTANCE IMPROVED DURABILITYIMPROVED DURABILITY ABRASION RESISTANCEABRASION RESISTANCE HIGH TENSILE STRENGTHHIGH TENSILE STRENGTH REDUCEDREDUCED MAINTENANCE COSTMAINTENANCE COST ADVANTAGES(CONTADVANTAGES(CONT..)..)
  34. 34. 34 LIMITATIONLIMITATION  AN EXTENDED QUALITYAN EXTENDED QUALITY CONTROLCONTROL  COSTCOST  SPECIAL CONSTITUENTSSPECIAL CONSTITUENTS  MANUFACTURED AND PLACEDMANUFACTURED AND PLACED CAREFULLYCAREFULLY
  35. 35. 35 CONCLUSIONSCONCLUSIONS DURABILITY CONSIDERATIONSDURABILITY CONSIDERATIONS INITIAL COST IS HIGHINITIAL COST IS HIGH REDUCED SIZE OF STRUCTURALREDUCED SIZE OF STRUCTURAL MEMBERSMEMBERS PRECAST PRODUCTSPRECAST PRODUCTS EFFECTIVE UTILIZATION OFEFFECTIVE UTILIZATION OF INDUSTRIAL WASTESINDUSTRIAL WASTES
  36. 36. 36 REFERENCES:REFERENCES: YVES MALIER, “HIGH PERFORMANCEYVES MALIER, “HIGH PERFORMANCE CONCRETE”, E&FN SPON, LONDONCONCRETE”, E&FN SPON, LONDON A.M.NEVILLE, “PROPERTIES OF CONCRETE”,A.M.NEVILLE, “PROPERTIES OF CONCRETE”, PEARSON EDUCATION PTE LTD, ENGLAND.PEARSON EDUCATION PTE LTD, ENGLAND. DR R.JAGADISH, “HIGH PERFORMANCEDR R.JAGADISH, “HIGH PERFORMANCE CONCRTE”, PROCEEDINGS OF SHORT TERMCONCRTE”, PROCEEDINGS OF SHORT TERM TRAINING PROGRAM ON ADVANCES INTRAINING PROGRAM ON ADVANCES IN CEMENTIOUS MATERIALS AND TESTING.CEMENTIOUS MATERIALS AND TESTING.
  37. 37. 37 REFERENCES(CONTREFERENCES(CONT..)..) M.S.SHETTY, “CONCRETEM.S.SHETTY, “CONCRETE TECHNOLOGY”,S.CHAND & COMPANY Ltd. NEWTECHNOLOGY”,S.CHAND & COMPANY Ltd. NEW DELHI.DELHI. AITICIN P.C “HIGH PERFORMANCEAITICIN P.C “HIGH PERFORMANCE CONCRETE DEMGSTIFIED, CONCRETECONCRETE DEMGSTIFIED, CONCRETE INTERNATIONAL JAN.1993.INTERNATIONAL JAN.1993.
  38. 38. 38

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