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000001锯锯锯锯锯权权2权锯锯杂锯锯锯2权权锯2锯22权锯1锯锯锯22222锯锯2PCM2ANSYS1权锯2权锯IMTQM1E0CTTT0TT01CCMPPSPTTTTTTP12MTQM1ECMTTMQCMTCT0CPSPP0PPPLPPP0TTTT2CCMPPLP2ANSYS3IIWITHTHERAPIDDEVELOPMENTOFGLOBALINDUSTRY锯WHILETHETEMPERATURECRACKINDUCEDBYCEMENTHYDRATIONHEATWITHINTHECONSTRUCTIONHASBEENDEMONSTRATEDTOBETHEMOSTDELETERIOUSCRACKWHICHWOULDDETERIORATETHEWORKABILITYOFBUILDINGSANDSERVICELIFEMEANWHILEGREATECONOMICLOSSWASCAUSEDHOWEVERATPRESENTTHEAPPROACHESOFTEMPERATURECRACKSCONTROLLINGAREFOCUSEDONTHEMATERIALSTECHNOLOGYANDCONSTRUCTIONMEASURESSUCHASRAWMATERIALSSELECTINGMIXPROPORTIONOPTIMIZATIONOFCONCRETEPRECOOLINGAGGREGATESPARTITIONEDCASTINGANDCOOLINGWATERPIPEALTHOUGHTHESEMEASURESHAVEREDUCEDTHEIMUMTEMPERATURERISEINMASSCONCRETETOSOMEEXTENTBUTTHEYHAVECOMPLEXPROCESSNEEDHIGHCOSTANDCANNTCONTROLTEMPERATURECRACKSINTHECONCRETESTRUCTUREEFFECTIVELYPHASECHANGEMATERIALPCMHASHIGHLATENTHEATANDSMALLTEMPERATURECHANGEINTHEPHASECHANGEPROCESSSOMECEMENTHYDRATIONHEATCANBEABSORBEDBYPCMTHEREFORETHEINNERTEMPERATURERISEANDTEMPERATURESTRESSOFCONCRETECANBEREDUCEDINTHATTHEHIGHENERGYSTORAGEDENSITYANDSMALLTEMPERATURECHANGEINTHEPHASECHANGEPROCESSOFPCMITISABRANDNEWMETHODTOREDUCETHETEMPERATURERISEANDMINIMIZETHETEMPERATURECRACKUSINGPCMFOCUSONREDUCINGTHETEMPERATURERISEOFMASSCONCRETEBYPCMTHEPREPARATIONANDAPPLICATIONOFPCMWERETHOROUGHLYINVESTIGATEDBASEDONTHECHARACTERISTICSANDTEMPERATUREHISTORYOFMASSCONCRETEANDTHEPHASECHANGEPROPERTIESOFPCMTHEMAINLYRESEARCHCONCLUSIONOFTHISTHESISARELISTASFOLLOWS1THEPCMBIGCAPSULEPREPARATIONMETHODWASPROPOSEDTHEEXPERIMENTSRESULTSSHOWEDTHETEMPERATURERISEINDUCEDBYHYDRATIONHEATCOULDBEREDUCEDINACERTAINEXTENTWITHAPPLICATIONOFPREEMBEDDEDPCMBIGCAPSULE2ACCORDINGTOTHEEXPERIMENTALSTUDYOFCOMPRESSIVESTRENGTHOFCONCRETEPREEMBEDDEDDIFFERENTVOLUMEPCMBIGCAPSULESTHEINFLUENCEOFPCMBIGCAPSULEONTHESTRENGTHOFCONCRETEISINSIGNIFICANT3ONTHEBASISOFTHEORYSTUDIESTHECALCULATIONMETHODOFPCMBIGCAPSULECONCRETEADIABATICTEMPERATURERISEWASPROPOSEDCALCULATIONANALYSISOFIIIPREEMBEDDEDPCMBIGCAPSULESINTHECONCRETEWITHDIFFERENTCEMENTRESULTSINTHATTHEMORECEMENTINPERUNITVOLUMEOFCONCRETETHEBIGGERTEMPERATUREAMPLITUDEOFTHECORRESPONDINGPROPORTIONOFPCMONHYDRATIONHEAT4ACCORDINGTOLAWOFCEMENTHYDRATIONORDINARYCONCRETEINTERNALTEMPERATURECHANGESWASANALYZEDADIABATICTEMPERATURERISEMODELOFPHASECHANGECONCRETEWASESTABLISHEDNEWIDEASTOCONTROLTHETEMPERATUREWITHPHASECHANGEMATERIALSWASPROPOSEDINTHISPAPERTHETEMPERATUREFIELDWERECALCULATEDBYANSYS1ADIABATICTEMPERATURERISEMODELOFPCMBIGCAPSULESCONCRETEWASESTABLISHEDTEMPERATURERISINGPROCESSWASDIVIDEDINTOTHREESEGMENTSANDTHESIMULATIONCALCULATIONFORMULAOFADIABATICTEMPERATURERISEMODELWASASFOLLOWSMTQM1E0CTTT0TT01CCMPPSPTTTTTTP12MTQM1ECMTTMQCMTCT0CPSPP0PPPLPPP0TTTT2CCMPPLP2ACCORDINGTOADIABATICTEMPERATURERISEMODELOFPCMBIGCAPSULESCONCRETEANDCALCULATIONOFANSYSTHEDESIGNMETHODOFPCMBIGCAPSULESPREEMBEDDEDINDIFFERENTPARTSOFCONCRETEWASPUTFORWARD3THEECONOMICRATIONALITYOFBIGCAPSULEUSEDINCONCRETEISSTUDIED,ANDTHEMEASURESOFCOSTCONTROLLINGISPROPOSEDKEYWORDPHASECHANGEMATERIALPCMBIGCAPSULESPCMBIGCAPSULESCONCRETEPREEMBEDDEDIVII22II22锯锯锯锯1111111112212213I所I3131313251336134714PCMII101511IIIIIIII21所122212221122221323I1424II162411624217243172519锯锯IIIIII锯锯IIIIII31I2031120V312203221321213222233223423锯锯锯锯412442244325431254322644264529451294523346锯37473922225141524153435314353244544654146542495552VI锯锯附附锯锯附附6153625363附54645565附556515565255653ANSYS566545766626863锯锯锯锯71647265VII锯锯锯锯11111锯锯锯锯锯锯锯JASS580CM锯锯25ACI锯1M锯2040锯25锯锯锯1锯锯锯锯1988224330锯3锯锯1311234567121389122313131PHASECHANGEMATERIALSPCMS10ORGANICPCMINORGANICPCMCOMPOSITEPCM1112METAL/ALLOYPCM3PCMPCM200001PCMNASO10HO242CACL6HONACO12HOKF4HONAHPO12HO222322242PCM13/22123414562213NHSCNKHF42/34T509015P151940131131TAB131PROPERTIESOFNORMALPCMSJ/GNASO10HO3242542426HO297180CACL22HPO12HO35281NA242KF4HO1852312ZNNO6HO364147322NACO12HO32267232CH28224241838CH36624662042CHO313136102021321612“”COLDFINGER354413421332070PCM17CHAHROUDIPCM18HAWESPCMSPCMSPCMS192HADJIEVADSCIR20LEEPCMS398621LUISAFCABEZA26110J/G5PCM22“”23PCM6DSC24PCMPCMPCMPCM252627PCMS28PCMS29PCMPCMPCMPCMPCM134PCMPCM1PCM18HAWES720LEE3021M1000M31,32LTORINI1,6200NM33LANXIAOZHENG24TDIEDAOP3475MEPCM24TDIEDA2M83536CEMILALKANMEPCM37FABIEN21MEPCMLUISAFCABEZA26110KJ/KG538396178941513716J/GPCM40PCM414243/44912155W/MK45SALYER锯SIO2锯SIO2锯PCM50J/G锯150J/G锯15锯701MM锯锯锯锯锯CRISTOPIA3CACL6HO98MM267MJ/M222MPA锯MFARID47/G锯锯锯05M05M0095MCACL6HO锯2275MM54锯锯20MM锯8锯16锯锯锯14PCM10PCM46PCMPCM15ANSYS1121锯锯锯22221锯3222TTTTQA21222XYZCA22C21AMH1KJMH1CKJKG3KGM13QKJHM锯Q23CQ12222Q31MQQ1E2401QKJKG1QKJKG0D1MD221MTABLE221THEVALUEOFCONSTANTM510152025M02950318034003620384482Q0Q25NN0Q0QQ0NQQ/2033BAQQ1E260QAB2220132221QKJKGAB0PO425330069056PO525350036074231TTT0P0TT11MTQTQ1E270QCMTT281PSP0QKJ1CPCMKJ/KGPSMPCMKGPT0MTQM1ECMTT0CPSP0TT290CP3KG/MMKGCCKJ/KGPCMMCMPBBCPMCKJ/KG14C046KJ/KGBMKGBMKGMKGMTQM1E0CTTT2100CCMPPSPTTTTP1MTQM1EC0CPQT211CCMPPSP2TTPTTT122TPTTT212PMTMT21QM1EQM1EMQ2130C0CPPQPCMKJ/KGT2P3TTPTT2MTM1ECMTTMQCMTT2140CPSPP0PPPLPPCPCMKJ/KGPLTPCMP15MTQM1ECMTTMQCMTTQ0CPSPP0PPPLPPTT2150CCPPMTQM1ECMTTMQCMTCT0CPSPP0PPPLPPP0T216CCMPPLPMTCQM1ECMQCCMCTTP0CPPPPLPSPPP0Q217CCMPPLPMTQM1E0CTTT0TT01CCMPPSPTTTTTTP12MTQM1ECMTTMQCMTCT0CPSPP0PPPLPPP0TTTT2CCMPPLP242413MKMQCF0T218CMTMKGCKK025K03MKGFQKJ/KG016242PCMQCMTTTT1PSPP00PQMQTT2PP0PQCMT3PLPPPQQQKJ123CPCMKJ/KGPS强PCMQQQQCMTTMQCM219123PSPP0PPPLPP243PCMQMKMQQ220PCFC强强强强强强强强MKMQCMTTMQCMMKMQQCFCPSPP0PPPLPPCFCT2210CMCMPPMKMQCMTTMQCMCMTCFCPSPP0PPPLPPP0222CMCMPPLPC强KJ/KGPCMMCMPBBC223PM17APCM所所所223政所222MKMQCMTTMQCMCMMTCMTCFCPSPP0PPPLPPP0BB0224CMMCMCMPBBPLP强PCMMPB225MKMCF强PCM所所所TTT0226AT所218所224所225所226MKMQCCMTTMQCMCFCPLPSPP0PPA1227MKMQCMCMCCMCFCBBPLP所所APCM强ACMQMKMCCFM228PCACC1AMKMQCMQCCTTBPLCFCPPLPSP0MB所A强强强AMP18251强强MTQM1E0CTTT0TT01CCMPPSPTTTTTTP12MTQM1ECMTTMQCMTCT0CPSPP0PPPLPPP0TTTT2CCMPPLP2强MKMQCMTTMQCMCMMTCMTCFCPSPP0PPPLPPP0BB0CMMCMCMPBBPLP3强ACMQMKMCCFMPCACC1AMKMQCMQCCTTBPLCFCPPLPSP01931311PCM,2035312CT24CACL6HO22311311CT24TAB311BASICPROPERTIESOFCT243KG/MKJ/KGKJ/KGKJ/KG23251480185134231CT26CACL6HO22312312CT26TAB312BASICPROPERTIESOFCT263KG/MKJ/KGKJ/KGKJ/KG2527150018013423120MG19313313MG19TAB313BASICPROPERTIESOFMG193KG/MKJ/KGKJ/KGKJ/KG18208801401618MG26314314MG26TAB314BASICPROPERTIESOFMG263KG/MKJ/KGKJ/KGKJ/KG252786514216183232121322锯锯“”2锯所锯48W/MK2所2锯2所锯所232133锯所2222PCM2PTFE3313312TAB331BASICPROPERTIESOFPTFE所222锯锯22190锯260锯所2233134PCM1034163MM20MM16MM2MM30MM20MM5MM341PCMFIG341PCMBIGCAPSULE2341PCMPCMPCMPCMPCM42425R421422421TAB421CHEMICALCOMPOSITIONOFCEMENTCAOSIOALOFEOMGOSO22323363672140563372215175200422TAB422BASICPROPERTIESOFCEMENTMPAMPA2M/KGML3D28D3D28D1531772342755945394300301540MM244343150MM331630MM480MM365MM520MM400MM280MM50MM420MM300MM230MM50MMHDPE03W/MK5MMEPS003W/MK50MM35MM431PCMPCM25AMMB431PCMMMFIG431DEVICEUSEDTOMEASURETHEINTERNALTEMPERATUREOFCEMENTITIOUSMATERIALSUNITSMM432XAR70A01PT10020045043244PCM03726431A44144230MINPCMAB4414422706L3441PCMPCMKGPCMPCMPCMSJ1061306477107953238600SJ20613CT24364771079532386032417SJ30613CT26364771079532386032417SJ40613MG19364771079532386032432SJ50613MG26364771079532386032432SJ60613CT24764771
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