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ACI CONCRETE FIELD TESTING TECHNICIAN GRADE 1 STUDY GUIDE | QUESTIONS AND ANSWERS GRADED A+
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ACI CONCRETE FIELD TESTING TECHNICIAN GRADE 1 STUDY GUIDE | QUESTIONS AND ANSWERS GRADED A+
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ACI CONCRETE FIELD TESTING TECHNICIAN GRADE 1 STUDY GUIDE | QUESTIONS AND ANSWERS GRADED A+ ASTM wwC31 ww/ wwC31M -06 ww- wwcorrect wwanswersStandard wwPractice wwfor wwMaking, wwCuring, wwProtecting ww& wwTransporting wwTest wwSpecimens wwin wwthe wwField wwConditions. ASTM wwC1064 ww/C1064M -05 ww- wwcorrect wwanswersStandard wwTest wwMethod wwfor wwTemperature wwof wwFreshly wwMixed wwHydraulic -Cement wwConcrete ASTM wwC172 ww-07 ww- wwcorrect wwanswersStandard wwPractice wwFor wwSampling wwFreshly wwMixed wwConcrete wwFrom wwDifferent wwContainers wwUsed wwIn wwThe wwProduction wwor wwTransportation wwOf wwConcrete. ASTM wwC143 ww/ wwC143M -05a ww- wwcorrect wwanswersStandard wwTest wwMethod wwfor wwSlump wwof wwHydraulic -Cement wwConcrete wwBoth wwIn wwLaboratory wwAnd wwIn wwThe wwField ASTM wwC138 ww/ wwC138M -07 ww- wwcorrect wwanswersStandard wwTest wwMethod wwfor wwDensity ww(Unit wwWeight), wwYield, wwand wwAir wwContent ww(Gravimetric) wwof wwConcrete ASTM wwC231 ww-04 ww- wwcorrect wwanswersStandard wwTest wwMethod wwfor wwAir wwContent wwof wwFreshly wwMixed wwConcrete wwby wwPressure wwMethod ASTM wwC173 ww/ wwC173M -07 ww- wwcorrect wwanswersStandard wwTest wwMethod wwFor wwAir wwContent wwof wwFreshly wwMixed wwConc rete wwContaining wwAny wwType wwOf wwAggregate, wwWhether wwIt wwBe wwDense, wwCellular, wwor wwLightweight wwby wwVolumetric wwMethod Molds ww- wwcorrect wwanswersMold wwfor wwspecimens wwshall wwbe wwmade wwof wwsteel, wwcast wwiron, wwor wwother wwnonabsorbent wwmaterial, wwnonreactive wwwith wwconcrete. wwMolds wwshall wwbe wwwatertight wwand wwhold wwtheir wwdimensions wwand wwshape wwunder wwall wwconditions wwof wwuse. Cylindrical wwSpecimens ww- wwcorrect wwanswersCompressive wwor wwSplitting wwTensile wwStrength wwSpecimens wwshall wwbe wwcylinders wwcast wwand wwallowed wwto wwset wwin wwan wwupright wwposition. wwThe wwlength wwshall wwbe wwtwice wwthe wwdiameter ww(4 wwX ww8in wwor ww6 wwX ww12 wwin). wwThe wwcylinder wwdaimeter wwshall wwbe wwat wwleast ww3 wwtimes wwthe wwnominal wwmaximum wwsize wwof wwthe wwcoarse wwaggregate. wwWhen wwthe wwnominal wwmaximum wwsize wwof wwthe wwcoarse wwaggregate wwexceeds ww2 wwinches wwthe wwconcrete wwsample wwshall wwbe wwtreated wwby wwwet wwsieving wwthrough wwa ww2 wwinch wwsieve. Beam wwSpecimens ww- wwcorrect wwanswersFlexural wwstrength wwspecimens wwshall wwbe wwbeams wwof wwconcrete wwcast wwand wwhardened wwin wwthe wwhorizontal wwposition. wwThe wwlength wwshall wwbe wwat wwleast ww2 wwinch wwgreater wwthan wwthree wwtimes wwthe wwdepth wwas wwtested. wwThe wwratio wwof wwwidth wwto wwdepth wwas wwmolded wwshall wwnot wwexceed ww1.5. wwThe wwstandard wwbeam wwshall wwbe ww6 wwby ww6 wwinches wwin wwcross wwsection, wwand wwshall wwbe wwused wwfor wwconcrete wwwith wwnominal wwmaximum wwsize wwcoarse wwaggregate wwup wwto ww2 wwinches. wwWhen wwthe wwnominal wwmaximum wwsize wwof wwthe wwcoarse wwaggregate wwexceeds ww2 wwinches, wwthe wwsmaller wwcross wwsectional wwdimension wwof wwthe wwbeam wwshall wwbe wwat wwleast wwthree wwtimes wwthe wwnominal wwmaximum wwsize wwof wwthe wwcoarse wwaggregate. Tamping wwRod ww- wwcorrect wwanswersA wwround, wwstraight wwsteel wwrod wwhaving wwthe wwtamping wwend wwor wwboth wwends wwrounded wwto wwa wwhemispherical wwtip wwof wwthe wwsame wwdiameter wwas wwthe wwrod. ww Rod wwDimensions wware wwbased wwoff wwof wwthe wwdiameter wwof wwCylinder wwor wwWidth wwof wwBeam. ww - wwless wwthan ww6 wwinch, wwRod ww=Diameter ww3/8 wwinch ww& wwLength ww12inch - ww6 wwinch, wwRod ww= wwDiameter ww5/8 wwinch ww& wwLength ww20 wwinches - ww9 wwinch, wwRod ww= wwDiameter ww5/8 wwinch ww& wwLength ww26 wwinches [Rod wwtolerances wwlength ww+ wwor ww- ww4inches wwand wwdiameter ww+ wwor ww- ww1/16inch.] Vibrators ww- wwcorrect wwanswersInternal wwvibrators wwshall wwbe wwused. wwThe wwvibrator wwfrequency wwshall wwbe wwat wwleast ww9000 wwvibrations wwper wwminute wwwhile wwthe wwvibrator wwis wwoperating wwin wwthe wwconcrete. wwThe wwdiameter wwof wwa wwround wwvibrator wwshall wwbe wwno wwmore wwthan wwone wwfourth wwthe wwdiameter wwof wwthe wwcylinder wwmold wwor wwwidth wwof wwthe wwbeam wwmold. wwThe wwcombined wwlength wwof wwthe wwvibrator wwshaft wwand wwvibrating wwelement wwshall wwexceed wwthe wwdepth wwof wwthe wwsection wwbeing wwvibrated wwby wwat wwleast ww3 wwinches. Mallet ww- wwcorrect wwanswersA wwmallet wwwith wwa wwrubber wwor wwrawhide wwhead wwweighing ww1.25 ww+ wwor ww- ww0.5 wwlb wwshall wwbe wwused. Sampling wwReceptacle ww- wwcorrect wwanswersThe wwreceptacle wwshall wwbe wwa wwsuitable wwHeavy wwGage wwmetal wwpan, wwwheelbarrow, wwor wwflat, wwclean wwnonabsorbent wwboard wwof wwsufficient wwcapacity wwto wwallow wweasy wwremixing wwof wwthe wwentire wwsample wwwith wwa wwshovel wwor wwtrowel. Temperature wwMeasureing wwDevice ww- wwcorrect wwanswersShall wwbe wwcapable wwof wwaccurately wwmeasuring wwthe wwtemperature ww3 wwinches wwor wwmore wwimmersion wwof wwthe wwfreshly wwmixed wwconcrete wwto wwplus wwor wwminus ww1 wwdegree wwFahrenheit wwthroughout wwthe wwrange wwof ww30 ww- ww120 wwdegrees wwFeahrenheit. wwThe wwdevice wwshall wwbe wwreadab le wwand wwaccurate wwto wwplus wwor wwminus ww0.5 wwFeahrenheit. wwVerification wwof wwdirect wwreading wwresistance wwreference wwtemperature wwmeasuring wwdevices wwshall wwbe wwperformed wwevery wwtwelve wwmonths. ASTM wwC1064 wwStandard wwTest wwMethod wwfor wwTemperature wwProcedure ww- wwcorrect wwanswers - wwSample wwthe wwfreshly wwmixed wwconcrete wwin wwaccordance wwwith wwPractice wwC172 - wwPosition wwthe wwtemperature wwmeasuring wwdevice wwso wwthat wwthe wwend wwof wwthe wwtemperature wwsensing wwportion wwis wwsubmerged ww3 wwinches wwand wwat wwleast ww3 wwinches wwof wwconcrete wwcover wwin wwall wwdirections. - wwClose wwall wwvoids wwat wwsurface wwof wwthe wwconcrete wwaround wwthe wwtemperature wwdevice.The benefits of buying summaries with Stuvia:
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