快硬硅酸鹽水泥-Rapid hardening Portl

主講人：安亞強(qiáng)RapidhardeningPortlandcement快硬硅酸鹽水泥e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7快硬硅酸鹽水泥e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7快硬水泥國(guó)防工程、交通工程和搶修工程需要水泥快速達(dá)到使用強(qiáng)度。CONTENTS目錄定義技術(shù)要求特性及應(yīng)用231DefinitionTechnicalrequirementsPropertyandapplications............................................................................................................e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7定義definition1適量石膏硅酸鹽水泥熟料快硬硅酸鹽水泥硅酸三鈣50%~60%鋁酸三鈣8%~14%提高水泥細(xì)度技術(shù)性能Technicalrequirements22.1細(xì)度要求：80μm方孔篩篩余≤10%。2.2氧化鎂含量：≤5.0%，壓蒸合格的放寬至6.0%

2.3三氧化硫含量：≤4.0%。

技術(shù)性能Technicalrequirements22.4凝結(jié)時(shí)間初凝：≥45min,終凝≤600min。

2.5安定性方法：沸煮法合格。

2.6強(qiáng)度等級(jí)強(qiáng)度等級(jí)抗壓強(qiáng)度（MPa）抗折強(qiáng)度（MPa）1d3d28d1d3d28d32.515.032.552.53.55.07.237.517.037.557.54.06.07.642.519.042.562.54.56.48.0按照3d齡期的抗壓強(qiáng)度和抗折強(qiáng)度劃分。

特性及應(yīng)用Propertyandapplications3水化熱高，早期干縮大。抗?jié)B性、抗凍性好，耐腐蝕性差。易受潮變質(zhì)。3.13.23.3細(xì)度大，活性高，適用于早強(qiáng)工程、緊急搶修工程、冬季工程及預(yù)應(yīng)力鋼筋混凝土工程或高強(qiáng)混凝土預(yù)制構(gòu)件；不適用于大體積混凝土。不適用于與腐蝕性介質(zhì)接觸的混凝土工程。防潮且不宜久存，超過(guò)一個(gè)月重新檢查。小結(jié)定義技術(shù)性能三大特性及適用范圍e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF66CDF289C9CC36ECBA7F2088C42C31F330BCA7EC41E6E76953A88CADF3CA73340CC01276EA886AD11179865124F41FC0CEE3C7ThanksForWatching主講人：安亞強(qiáng)e7d195523061f1c0d3ba7f298e59d031c9c3f97027ed136f882110EF8F17BAD1F2C348D17C7856EF46CB4678CC9E44EE1ABA681E3133328A7B4D22AAF822B2429426B2355AA8CC4431B8568D2CF3B73A52C9DCEEEF