資源描述:
《摻阻銹劑摻合料海水海砂混凝土護(hù)筋性探討》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、第15卷第1期建筑材料學(xué)報Vo1.15。No.1學(xué)兔兔www.xuetutu.com2012年2月joURNALOFBUILDINGMATERIALSFeb.,2O12文章編號:1007—9629(2012)01—0069—06摻阻銹劑摻合料海水海砂混凝土護(hù)筋性探討周俊龍,歐忠文,江世永。,陳喬,陳云,陳寒斌,許春霞(1.四川省住房和城鄉(xiāng)建設(shè)廳建筑管理處,四川成都610041;2.中國人民解放軍后勤工程學(xué)院化學(xué)與材料工程系,重慶401331;3.中國人民解放軍后勤工程學(xué)院訓(xùn)練部,重慶401331)摘要:測試了海水海
2、砂膠砂中鋼筋的極化電位和失重率,觀察了鋼筋的銹蝕情況,研究了不同摻合料和阻銹劑對海水海砂混凝土護(hù)筋性的影響.結(jié)果表明:粉煤灰、礦渣對海水海砂混凝土護(hù)筋性改善作用有限,而偏高嶺土的改善作用顯著,鋼筋極化電位明顯正移;阻銹劑中三乙醇胺對海水海砂混凝土護(hù)筋性改善作用明顯;復(fù)摻偏高嶺土(20,質(zhì)量分?jǐn)?shù))和三乙醇胺(1.5,質(zhì)量分?jǐn)?shù))后,海水海砂混凝土的護(hù)筋性明顯提高,鋼筋極化電位與淡水標(biāo)準(zhǔn)砂配制的普通混凝土相近,鋼筋失重率明顯降低,標(biāo)準(zhǔn)養(yǎng)護(hù)420d后鋼筋無任何銹蝕.關(guān)鍵詞:海水海砂混凝土;鋼筋;極化電位;護(hù)筋性;摻合料;阻
3、銹劑中圖分類號:TU528.571文獻(xiàn)標(biāo)志碼:Adoi:10.3969/j.issn.1007—9629.2012.01.013DiscussionofRebar-ProtectingPropertiesofSeawater-SeasandConcreteMixedwithAdmixtureandCorrosionInhibitorZHOUJ.n—long,OUZhong—wen,JIANGShi—yong。,CHENQiao,CHENYun。CHENHan—bin。XUChun—xia(1.ManagementD
4、ivisionofConstructionEngineering,SichuanProvinceHousingandUrban-RuralConstructionDepartment,Chengdou610041,China;2.ChemistryandMaterialsEngineeringDepartment,ChinesePeople’SIiberationArmyLogisticalEngineeringUniversity,Chongqing401331,China;3.TrainingDepartmen
5、t,ChinesePeople’SLiberationArmyLogisticalEngineeringUniversity,Chongqing401331,China)Abstract:Theeffectofadmixtureandcorrosioninhibitoronrebar—protectingpropertiesofseawater—sea—sandconcretewasstudiedbytestingpolarizationpotentialandmasslossofrebarinseawater。s
6、easandmor——tar.Itisconcludedthattheflyash,slaghavelimitedimprovementontherebar—protectingpropertiesofseawater—seasandconcretewhereasmetakaolinhasamarkedeffectofimprovement.WhenmetakaoliniSadded,therebarpolarizationpotentialobviouslymovestothepositive.Inadditio
7、n,triethanolaminecorro—sioninhibitorhasthegoodeffectonimprovingtherebar——protectingpropertiesofseawater——seasandcon—crete.Thecombinationofmetakaolin(20,bymass)andtriethanolamine(1.5,bymass)hasansignifi—canteffectontherebar—protectingpropertiesofseawater—seasan
8、dconcrete,therebarpolarizationpotentialisthesameastheordinaryconcretemadewithfreshwaterandsand,rebarmasslossissignificantlyre—duced,rebarcuredfor420diSnotcorrodedatal1.Keywords:sea