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RELATIVE PERFORMANCES OF ULTRA-HIGH PERFORMANCE CONCRETE Name: Institute: Tutor: Date:

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RELATIVE PERFORMANCES OF ULTRA-HIGH PERFORMANCE CONCRETEName:Institute:Tutor:Date:Relative Performances of Ultra-High Performance Concrete with and without Basalt SplitAbstractTe !irst u"tra-i# $er!orman%e %on%rete un&er o'ser(ation )as ma&e o! rea%ti(e $o)&er %on%rete* Te se%on& )as %om$ose& o! %ruse& 'asa"t )it te ran#e o! $arti%"e si+e 'et)een , an& - mm* Te same ma#nitu&e o! %om$ressi(e stren#t )as arri(e& at )it rea%ti(e $o)&er %on%rete )ose ma.ima" a##re#ate &imension is "ess tan /*0 mm* Te in%or$oration o! 'asa"t s$"it in u"tra-i# $er!orman%e %on%rete 'rou#t a'out (ariations in te mi.in# $ro%ess an& me%ani%a" $ro$erties* Tere )ere some (arian%es a"so in te mo&u"us o! e"asti%it1 an& strain at te i#est "e(e"s o! $ea2 stress* Lo)er auto#enous srin2a#e "e(e"s )ere re%or&e& in te u"tra-i# $er!orman%e %on%rete %ontainin# 'asa"t s$"it*IntroductionU"tra-i# $er!orman%e %on%rete is a %ementitious %om'ination o! si"i%a !ume3 )ater3 !i'res an& i#-ran#e )ater re&u%in# a#ents* Te %om$oun& as e.%e""ent stren#t3 &ura'i"it1 an& &u%ti"it1 $ro$erties tat ma2e it a 'etter en#ineerin# materia" tan t1$i%a" %on%rete or stee"* Its %om$ressi(e stren#t ma1 (ar1 'et)een /-0 N4mm, to 500 N4mm, &e$en&in# on its %onstituents an& treatin# tem$erature*/ Mi%ro %ra%2in# as 'een attri'ute& to te (arian%es in te me%ani%a" an& terma" $ro$erties o! te %ementitious matri. an& te a##re#ate* Mi%ro %ra%2in# )as !oun& to 'e re"ationa" to te si+e o! te a##re#ates an&3 tere!ore3 te a##re#ate si+e )as "imite& to 0*6 mm* Te u"tra-i# $er!orman%e %on%rete ma&e !rom su% a##re#ates )as re!erre& to as rea%ti(e $o)&er %on%rete an& ser(e& as te !irst test in te ana"1sis*Materials and concrete constituentsTe t)o u"tra-i# $er!orman%e %on%rete mo&e"s )ere ma&e !rom or&inar1 Port"an& %ement CEM I 7,3- R an& te !ineness o! te 8uart+ $o)&er in te %ement )as em$"o1e& as a mi%ro !i""er* Te se%on& mo&e" a& 'asa"t s$"its 9,-- mm: tere'1 (io"atin# te stan&ar& mentione& a'o(e in te manu!a%ture o! rea%ti(e $o)&er %on%rete* Te se%on& test a& 8uart+ san& o! "ess tan 0*6 mm tus %om$"1in# )it te %on(entions re8uire& !or te $ro&u%tion o! rea%ti(e $o)&er%on%rete* On te 'asis o! $o"1%ar'o.1"ateeter3 su$er$"asti%i+er )as use& to ensure tat 'ot mo&e"s e.i'ite& a i# !"ui& %a$a%it1 as se"!-%on&ensin# %on%rete* Te ta'"e 'e"o) so)s te (arious %om$ositions use& !or te t)o tria"s*Ta'"e /Materia"s U"tra-i# $er!orman%e %on%rete -Mo&e" /U"tra-i# $er!orman%e %on%rete -Mo&e" ,Cement CEM I 7,*- R /*,/7 /*,/7;uart+ san& 90*,-0*6 mm: /*560 0*