粉煤灰硅酸鹽水泥-Portland fly-ash cemen66課件講解

主講人：安亞強Portlandfly-ashcement粉煤灰硅酸鹽水泥e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7粉煤灰硅酸鹽水泥P.Fe7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7粉煤灰水泥應(yīng)用面較廣、使用量較大的水泥品種。CONTENTS目錄定義技術(shù)要求特性及應(yīng)用231DefinitionTechnicalrequirementsPropertyandapplications............................................................................................................e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7定義definition1適量石膏粉煤灰硅酸鹽水泥熟料粉煤灰硅酸鹽水泥摻加量按質(zhì)量百分比計為20%~40%技術(shù)性能Technicalrequirements2細度：80μm方孔篩篩余≤10%或45μm方孔篩篩余≤30%。強度等級抗壓強度（MPa）抗折強度（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強度等級：按照規(guī)定齡期的抗壓強度和抗折強度劃分。氧化鎂：≤5.0%，壓蒸合格的放寬至6.0%。三氧化硫：≤3.5%。凝結(jié)時間：初凝：≥45min,終凝≤600min。體積安定性：沸煮法合格。堿含量：Na2O+0.658K2O≤0.60%時商定。氯離子含量：≤0.06%。特性及應(yīng)用Propertyandapplications3早期強度低，后期強度增進率高?？管浰?、抗腐蝕能力強。水化熱低。濕熱敏感性強，適合蒸汽養(yǎng)護?？固蓟芰Σ?。3.13.23.33.43.53.63.7保水性差，易泌水。和易性好，干縮性小、抗裂好。粉煤灰呈致密的球形顆粒粉煤灰顆粒呈封閉結(jié)實的球形，比表面積小，吸水能力小，需水量少小結(jié)定義技術(shù)性能兩大主要特性及適用范圍e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7ThanksForWatching主講人：安亞強e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C