摻cas—r,2o的高摻量礦渣水泥的研究

1、河北理工大學(xué)碩士學(xué)位論文摻CAS—RO的高摻量礦渣水泥的研究姓名：張英群申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：楊克銳20060401河北理’Ii大學(xué)碩十學(xué)位論文AbstractBaseonhi曲一contentblastfumaceslagcement，jntowhichbothsulfoaluminatecementclinkerasacomponentimprovingtheearlystren群handtheaIkaligrou

2、pasa酉tationagentforblaStfumaceslagareadded，anewtypeofh唔h—contentblastfumaccslagcementhaSbcendevelopcdT1lecompos“ionofcementhasbeenoptimizedbytheonh090naltestmethod，a玎dthecontcntofblastfIl】maccslaginthisccmentreachesto665

3、％ThiscementhasmaIlymefitssuchaspropersettingtime’higllearlystfen群h，eli百blevolumestabjlitygoodp曲珊anceofrcsistillgsulfateattackandrcsistingdrysllriIlkageAlltheperfb珊ancesofthisⅡewhi曲一contentblastfumaceslagcementachieveorex

4、ceedoverthenationalstaIldardofPS425ThehydranonmechaIlismsofnewhi曲一contentblastfumaceslagcementhavebeenstudiedbyusingXRD，D1jA，SEMandthemeasufementofcementhydrateVelocityT1leresultsshowthatthehydrationcourseofthis∞mentisdi

5、仃erentffDmthatofPonlandcementItcanbedividedintofoufperiods：namely’ettringitecryStallizationperiod，inductionpeTiod，tricalciumsiljcatehydrationperiodandblastfurIlaceslaghydrationperiodEachhydrationperiodhasitselfchatactera

6、ndmechnismThespeciesofhydrationproduct0fnewhj曲一comentblastfumaceslagareallalogoustothatofslagcement，butthequantitiesaredif!ferent11leresultsshowthatthePHValueofcementpastehas孕eatjnnuenceforthefomlingofettrin西teandthehydr

7、ationde孕eeofblastfIlmaceslagT1leenrin舀tecanbeformedinaratherextensiVepHvalueconditions，buttheoptimumpHValueisabout115Thefb珊ationanddistributionofeHriⅡgitewillbeaff托tedwhenthepHValueistoohighortoolow，whidlwillaffcctthestr

8、cn班hThepHvalueofcementPhasewillbedeprcssedaftersu王fbaluminateccmemdill壬【erisaddedintohighcontentblastfumaccslagcement，whichishelpfllltothefo加ationaIldgro、Ⅳthofet晡n西teThercforc，themainreasonforearlyhigllsIrcngthisthefo珊in

9、gofabundalltettrjngiteintheearlyhydrationperiodofcementThepHValuealsoh船greatinnuencconactivationofblastfIlmacesla晷11lcblastfllⅡlaceslagisdifficulttobeactiVatcdifthepHvalueislessthan11OnlythepHvalueismorcthaIl12theblastfu