温度炭纤维和硅土粉对轻量混凝土力学性能的影响.pdf

第23卷第4期 新型炭材料 V01．23No．4 NEW MATERIALS 2008年12月 CARBON Dee．2008 Article ID：1007-8827(2008)04-0339-06 Effectof silicafumeon temperature，carbonfibers，and themechanical of concretes propertieslightweight HarunTANYⅡ，DIZI (DepartmentofConstructionEducation，FiratUmversi桫，Elazig，TURKEY) Abstract：Theeffectof carbonfiberandsilicafumecontentsonthemechanical temperature，and sive silica andflexural concreteswas fractionsof0 strength)oflightweight investigated．Samplescontainingfume(mass and carbon fractionsof andflexural lO％)and fibers(mass 0，0．5，l，and2％)wereprepared．1nlecompressive ofthe weredeterminedafter hadbeen to 800℃)．The strengthssamples they exposedhightemperatures(400，600，and methodwasusedtodeterminethe conditionsandto the reducenumberof Taguchi optimum experiments．Thesignifi． canceofthethreefactors themechanical of concreteswasdeterminedtheAnova affecting propertieslightweight using andtheF．test．Resultsshowedthatthemost facmrformechanical wastemperature．f01． analysis important properties 10wedcarbonfiberandsilicafumecontents．The for weredifferentfrom by optimumparameterscompre