粉煤灰硅酸盐水泥-Portland fly-ash cemen66课件讲解

主讲人：安亚强Portlandfly-ashcement粉煤灰硅酸盐水泥e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7粉煤灰硅酸盐水泥P.Fe7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7粉煤灰水泥应用面较广、使用量较大的水泥品种。CONTENTS目录定义技术要求特性及应用231DefinitionTechnicalrequirementsPropertyandapplications............................................................................................................e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7定义definition1适量石膏粉煤灰硅酸盐水泥熟料粉煤灰硅酸盐水泥掺加量按质量百分比计为20%~40%技术性能Technicalrequirements2细度：80μm方孔筛筛余≤10%或45μm方孔筛筛余≤30%。强度等级抗压强度（MPa）抗折强度（MPa）3d28d3d28d32.5≥10.0≥32.5≥2.5≥5.532.5R≥15.0≥3.542.5≥15.0≥42.5≥3.5≥6.542.5R≥19.0≥4.052.5≥21.0≥52.5≥4.0≥7.052.5R≥23.0≥4.5强度等级：按照规定龄期的抗压强度和抗折强度划分。氧化镁：≤5.0%，压蒸合格的放宽至6.0%。三氧化硫：≤3.5%。凝结时间：初凝：≥45min,终凝≤600min。体积安定性：沸煮法合格。碱含量：Na2O+0.658K2O≤0.60%时商定。氯离子含量：≤0.06%。特性及应用Propertyandapplications3早期强度低，后期强度增进率高。抗软水、抗腐蚀能力强。水化热低。湿热敏感性强，适合蒸汽养护。抗碳化能力差。3.13.23.33.43.53.63.7保水性差，易泌水。和易性好，干缩性小、抗裂好。粉煤灰呈致密的球形颗粒粉煤灰颗粒呈封闭结实的球形，比表面积小，吸水能力小，需水量少小结定义技术性能两大主要特性及适用范围e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7ThanksForWatching主讲人：安亚强e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C