氯离子固化.docx

第一部分：氯离子固化表1掺偏高岭土配合比编号变量水泥水砂石子减水剂缓凝剂VrfRH411368(G)184640河砂12423.681.104一368(三)184640海砂12423.681.10418.4(5%)18.25182.6635.21232.73.651.136.8(10%)362.5181.2630.312233.621.0955.2(15%)359.7179.8625.51213.93.591.08掺量73.6(20%)357178.4620.61204.53.561.0892(25%)354.2177.1615.91195.13.531.07110.4(30%)351.5175.76111185.83.421.07表2水灰比及水泥用量变化时的配合比编号水灰比水泥水砂石子减水剂缓凝剂对照组0.5368(G)18464012423.681.1040.5368(三)18464012423.681.1040.3368(三)110.4663.91296.83.81.15水灰比0.4368(三)147.2652.51266.23.751.130.5408(三)204619.51202.53.561.090.5408(三)204619.51202.53.561.09水泥用量0.5368(三)18464012423.681.1040.5328(三)164660.41281.53.81.140.5288(三)144680.713214.041.17实验内容：1.偏高岭土的掺量对不同龄期试块固化氯离子能力的影响。2 .基准组试块在氯离子含量为2%、3%、4%的氯化钠溶液中持续浸泡及干湿循环，研究不同外部氯离子含量侵蚀液侵蚀作用下，混凝土固化氯离子能力的变化。3 .基准组试块在5%硫酸钠溶液中持续浸泡，研究在外部硫酸根离子侵蚀作用下，混凝土固化氯离子能力的变化4 .不同水灰比及水泥用量下，对混凝土氯离子的固化能力的影响。所要测的数据：1 .掺不同掺量偏高岭土时，混凝土中游离态氯离子含量、被固化氯离子含量。2 .混凝土在内部海砂及含0.3%、0.4%、0.5%氯离子含量的侵蚀液作用下，内部游离态氯离子含量及固化态氯离子含量，混凝土不同深度处，氯离子含量变化的规律。3 .混凝土在内部海砂及5%含量的硫酸钠溶液侵蚀作用下，内部游离态氯离子含量及固化态氯离子含量。4 .在不同水灰比和水泥用量下，混凝土中游离态氯离子及固化态氯离子含量。第二部分、钢筋锈蚀表3偏高岭土和有机阻锈剂协同作用下的混凝土配合比编号掺量（MK+有机）水泥水砂石子减水剂缓凝剂Wl368(G)184640河砂12423.681.104W2一368(三)184640海砂12423.681.104W310%362.5181.2630.312233.621.104W410%+0.2%362.3181.2630.11222.93.621.104W510%+0.3%362.3181.16301222.73.621.104W610%+0.4%362.2181.1629.91222.53.621.09W720%357178.4620.61204.53.561.08W820%+0.2%356.8178.4620.512043.551.08W920%+0.3%356.7178.4620.412043.551.08WlO20%+0.4%356.7178.3620.31203.83.551.08Wll30%351.5175.76111185.82,421.07W1230%+0.2%351.2175.6610.81185.42.421.07W1330%+0.3%350.9175.5610.811852.421.07W1430%+0.4%350.6174.4610.81184.62.421.07表4偏高岭土和无机阻锈剂协同作用下的混凝土配合比编号掺量（MK+无机）水泥水砂石子减水剂缓凝剂Xl-368(G)184640河砂12423.681.104X2368(三)184640海砂12423.681.104X310%362.5181.2630.312233.621.104X410%+0.2%362.3181.2630.11222.93.621.104X510%+0.3%362.3181.16301222.73.621.104X610%+0.4%362.2181.1629.91222.53.621.09X720%357178.4620.61204.53.561.08X820%+0.2%356.8178.4620.512043.551.08X920%+0.3%356.7178.4620.412043.551.08XlO20%+0.4%356.7178.3620.31203.83.551.08Xll30%351.5175.76111185.82.421.07X1230%+0.2%351.2175.6610.81185.42.421.07X1330%+0.3%350.9175.5610.811852.421.07X1430%+0.4%350.6174.4610.81184.62.421.07表5偏高岭土和复合阻锈剂协同作用下的混凝土配合比砂 石子 减水剂 缓凝剂”,口掺量（MK+人口编号O人、水泥复合）Yl-368(G)184640河砂12423.681.104Y2一368(三)184640海砂12423.681.104Y310%362.5181.2630.312233.621.104Y410%+0.2%362.3181.2630.11222.93.621.104Y510%+0.3%362.3181.16301222.73.621.104Y610%+0.4%362.2181.1629.91222.53.621.09Y720%357178.4620.61204.53.561.08Y820%+0.2%356.8178.4620.512043.551.08Y920%+0.3%356.7178.4620.412043.551.08YlO20%+0.4%356.7178.3620.31203.83.551.08Yll30%351.5175.76111185.82.421.07Y1230%+0.2%351.2175.6610.81185.42.421.07Y1330%+0.3%350.9175.5610.811852.421.07Y1430%+0.4%350.6174.4610.81184.62.421.07研究内容:1 .不同掺量的偏高岭土及不同类型阻锈剂掺量对钢筋锈蚀的影响。2 .在不同水灰比及水泥用量情况下，对混凝土氯离子的固化能力的影响。3 .基准组试块在含2%、3%、4%氯化钠的模拟海水中持续浸泡及干湿循环制度下外部氯离子含量对钢筋锈蚀的影响。4 .5%硫酸钠溶液中持续浸泡，研究混凝土在外部硫酸根离子侵蚀作用下钢筋的锈蚀。5 .偏高岭土和阻锈剂协同作用对钢筋锈蚀的影响：以偏高岭土与有机阻锈齐I、无机阻锈剂和复合阻锈剂的协同作用对钢筋锈蚀的影响。所要测得数据：1 .掺不同掺量偏高岭土及不同类型与阻锈剂时，混凝土的腐蚀电位与腐蚀电流密度。2 .基准组试块在内部海砂及外部不同氯离子含量侵蚀液侵蚀作用下，混凝土的腐蚀电位与腐蚀电流密度。3 .基准组试块在内部海砂及外部硫酸盐溶液侵蚀作用下，混凝土的腐蚀电位与腐蚀电流密度。4 .在不同水灰比和水泥用量下，混凝土的腐蚀电位与腐蚀电流密度。