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2014.No.1:()(21241007);(11ZD1002);(2013-M1-4)。0(),。,()。,“”,,[1],。GB/T2015—2005《》:,10%。,,。,()。,1t1t,,[2]。,、[3-8]。,,。11.1(,45.83%),,1。11.230min,3%。,60℃,30min,0%、2%、6%15%,。,30min刘来宝1,2,唐凯靖1,2,张礼华1,丁文文1(1.-,621010;2.,621010):通过试验,研究了制浆造纸白泥用作白色硅酸盐水泥混合材的工作性能和力学性能,并分析了其对水泥水化产物及微观结构的影响。结果表明,制浆造纸白泥白度高(94.55),比表面积大,其主要矿物相为碳酸钙;适量掺入白水泥中可显著提高其白度。:造纸白泥;白水泥混合材;白度Abstract:TheworkingpropertiesandmechanicalpropertiesofwhitePortlandcementthatusinglimemudfrompapermillasadmixturewerediscussed,andthehydrationproductsandmicrostructureofcementwerealsostudied.Theresultsshowedthatthecalciumcarbonatewasthemainmineralphaseoflimemudfrompapermill.Thehigherwhitedegree(94.55)andspecificsurfaceareaofthelimemudcouldsignificantlyimprovethewhitenessofthewhitecement.Keywords:limemudfrompapermill;whitecementadmixture;whitedegreeFirstauthor'saddress:StateKeyLaboratoryCultivationbaseforNonmetalCompositeandFunctionalMaterials,SouthwestUniversityofScienceandTechnology,Mianyang621010,Sichuan,China:TQ172.44:A:1002-9877(2014)01-0007-04/%CaOSiO2Al2O3Fe2O3MgOSO3R2OLOI81.7955.3227.447.060.192.252.770.881.7690.1553.021.120.460.150.640.9240.7094.5552.024.120.260.120.641.9242.177--CMYK2014.No.1GB1346—2011《、、》、;GB/T17671—1999《》;GB/T2015—2005《》A。22.1XRDSEM12。1XRD2SEM1,,,。2,,1μm,、,,,,,。,,(1~2mm),(≤200℃),。2,10μm27.55%,20μm56.45%,,3μm,。30min,3μm42%,,,(、),“”,。,:①,,,;②(90),。2.2(30min),、,,3。,Y15,S15(),G15。3,,,,。,,15%(G15),7.21%。,。2。/%D50/μm≤1μm≤3μm≤10μm≤20μm≤30μm≤40μm≤60μm≤80μm>80μm0.213.9427.5556.4569.0486.4595.1299.980.0217.3230min16.2641.9866.8078.0383.1290.5494.9298.821.187.0715.2439.4871.2176.8582.5791.2893.5799.160.846.892.8511.4535.1658.1075.4686.2897.2399.920.0816.2128--CMYK2014.No.1,,。,,,,G15Y15。,,,。,,,,,,,,。,,。2.334。3XRD(28d)4(G15)SEM3,,,,。(4),3d,,。,,,。,。,,,,,“”,,。31)(94.55),,。,,,。2),,,,,,。3)、,。,,,,,,。:[1].[J]./%/(m2/kg)/%/min/MPa3d7d28dY0081.7934027.121927645.146.258.1Y2282.4135327.923030542.646.255.7Y6683.1136028.023829341.839.452.6Y151585.8536528.423830737.738.349.2S151584.3436126.421530237.138.448.9G151587.6940229.124029741.145.753.9/MPa3d7d28d6.87.39.86.67.39.45.77.19.55.96.39.55.76.39.66.37.29.139--CMYK2014.No.10(TEA),0.02%。,10%~20%,(3d)10%,5%~10%。,,TEA。()“”。,。。,。、(),“--”,TEA赵明1,2,张雄1,2,张永娟1,2,卢卫群3(1.,201804;2.,201804;3.,200941):通过试验研究了三乙醇胺(TEA)对掺矿渣粉、粉煤灰及石灰石的复合硅酸盐水泥的增强效果。结果表明,复合硅酸盐水泥的强度与混合材“矿渣粉-粉煤灰-石灰石”的组成有关,TEA对复合硅酸盐水泥的增强效果也因混合材不同而存在一定的差别。TEA可以使大部分复合硅酸盐水泥的早期抗压强度(3d)提高10%左右,早强效果显著。混合材为“30%粉煤灰-10%石灰石”时,早期抗压强度提高15%左右,早强效果尤为突出。但是,TEA对矿渣粉含量较高的复合硅酸盐水泥的早期强度改善不大,仅使3d抗压强度提高5%~10%。TEA对复合硅酸盐水泥的后期强度(28d)影响较小,抗压强度变化基本上不超过5%。:三乙醇胺;复合硅酸盐水泥;混合材;增强效果Abstract:Thestrength-enhancingeffectofTriethanolamine(TEA)oncompositePortlandcement,whichadmixedwithslag-limestone-flyash,wasinvestigated.TheresultsshowedthatthestrengthofcompositePortlandcementandthestrengthenhancingeffectofTEAwerecloselyrelatedtothecompositionofslag-limestone-flyashaddedintothecement.TEAcouldincreasetheearly-agestrength(3d)ofmostcompositePortlandcementsbyabout10%.Inparticular,itcouldincreasetheearly-agestrengthofthecompositePortlandcement,whichcontaining30%flyash-10%limestone,by15%.However,theearly-agestrength-enhancingeffectofTEAonthecementcontainingahighcontentofslagwasnotsoobvious,only5%~10%.Inaddition,TEAhadalimitedornileffect(lessthan5%)onthelate-agestrength(28d)ofmostcompositePortlandcements.Keywords:triethanolamine;compositePortlandcement;admixture;strength-enhancingeffectFirstauthor'saddress:SchoolofMaterialsScienceandEngineering,TongjiUniversity,Shanghai201804,China:TQ172.463:A:1002-9877(2014)01-0010-04,1994(11):1-5.[2],.[J].,2008,28(4):61-67.[3],,.-[J].,2013(6):16-19.[4],,,.[J].,2012(1),35(1):37-39.[5],,.[J].,2013(4):22-29.[6],,,.[J].,2013,36(2):12-15.[7],,,.、[P].:201210505558.6,2012.11.30.[8],,,.[P].:201310172584.6,2013.05.10.(编辑蔡成军)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!10--CMYK
本文标题:制浆造纸白泥代替石灰石用作白水泥混合材的试验研究-刘来宝-唐凯靖-张礼华-等
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