粉煤灰掺量对聚丙烯纤维混凝土抗硫酸盐侵蚀性能试验研究
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摘要
为了研究粉煤灰掺量对聚丙烯纤维混凝土抗硫酸盐侵蚀性能的影响,采用掺量为0%,15%和30%的粉煤灰代替水泥材料,并设定1、2、3、4、5个月对混凝土进行侵蚀;采用TYE-2000型试验机研究了硫酸盐自然浸泡和干湿循环侵蚀环境下聚丙烯纤维混凝土的抗压强度和劈裂抗拉强度的变化规律。最终得出当粉煤灰的最佳掺量为15%综合性能最优,进而为工程实践提供了数据参考。
In order to study the effect of fly ash content on the sulfate-resisting performance of polypropylene fiber concrete, the fly ash with 0%, 15% or 30% was used to substitute cement material, and the concrete was eroded for 1 month, 2 months, 3 months, 4 months or 5 months. The compressive strength and splitting tensile strength of polypropylene fiber reinforced concrete under natural immersion and wet-dry cycle erosion were studied by TYE-2000-type tester. The results showed that when the optimum content of fly ash was 15%, the comprehensive performance of polypropylene fiber reinforced concrete was the best.
In order to study the effect of fly ash content on the sulfate-resisting performance of polypropylene fiber concrete, the fly ash with 0%, 15% or 30% was used to substitute cement material, and the concrete was eroded for 1 month, 2 months, 3 months, 4 months or 5 months. The compressive strength and splitting tensile strength of polypropylene fiber reinforced concrete under natural immersion and wet-dry cycle erosion were studied by TYE-2000-type tester. The results showed that when the optimum content of fly ash was 15%, the comprehensive performance of polypropylene fiber reinforced concrete was the best.
引文
[1]朱敬斌.聚丙烯纤维粉煤灰混凝土抗硫酸盐侵蚀性能试验研究[D].安徽理工大学, 2017.
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[4]严海彬.硫酸盐侵蚀及干湿循环条件下改善混凝土耐久性的措施研究[D].重庆交通大学, 2010.
[5]王学志,贺晶晶,邹浩飞,等.玄武岩-聚丙烯混杂纤维混凝土硫酸盐腐蚀试验研究[J].混凝土与水泥制品, 2014(5):50-54.
[6]田晓宇,白英,杨晨晨,等.受损轻骨料混凝土抗硫酸盐侵蚀性能[J].硅酸盐通报, 2015, 34(12):3726-3730.
[7]苏建彪,唐新军,刘向楠,等.水胶比及粉煤灰掺量对混凝土抗硫酸盐、镁盐双重侵蚀性能的影响[J].粉煤灰综合利用,2014(5):30-32.
[8]钟海明.荷载—干湿循环作用下混凝土抗硫酸盐侵蚀性能研究[D].广州大学, 2012.
[9]孙补,陈瑜,李卫东,等.聚丙烯纤维对粉煤灰混凝土的抗裂性试验研究[J].工业建筑, 2007, 37(s1):1027-1029.
[10]焦楚杰,余其俊.粉煤灰对轻骨料混凝土抗硫酸盐腐蚀的影响[J].混凝土, 2014(2):54-56.
[11]宋德军.不同外加剂对混凝土性能影响研究[J].当代化工,2017(5):817-820.
[2]黄维蓉,张淑林,黄星.多元掺合料混凝土抗硫酸盐侵蚀性能试验研究[J].混凝土, 2011(9):64-67.
[3]黄国栋.混杂纤维混凝土抗硫酸盐和氯盐侵蚀性能的试验研究[D].安徽理工大学, 2010.
[4]严海彬.硫酸盐侵蚀及干湿循环条件下改善混凝土耐久性的措施研究[D].重庆交通大学, 2010.
[5]王学志,贺晶晶,邹浩飞,等.玄武岩-聚丙烯混杂纤维混凝土硫酸盐腐蚀试验研究[J].混凝土与水泥制品, 2014(5):50-54.
[6]田晓宇,白英,杨晨晨,等.受损轻骨料混凝土抗硫酸盐侵蚀性能[J].硅酸盐通报, 2015, 34(12):3726-3730.
[7]苏建彪,唐新军,刘向楠,等.水胶比及粉煤灰掺量对混凝土抗硫酸盐、镁盐双重侵蚀性能的影响[J].粉煤灰综合利用,2014(5):30-32.
[8]钟海明.荷载—干湿循环作用下混凝土抗硫酸盐侵蚀性能研究[D].广州大学, 2012.
[9]孙补,陈瑜,李卫东,等.聚丙烯纤维对粉煤灰混凝土的抗裂性试验研究[J].工业建筑, 2007, 37(s1):1027-1029.
[10]焦楚杰,余其俊.粉煤灰对轻骨料混凝土抗硫酸盐腐蚀的影响[J].混凝土, 2014(2):54-56.
[11]宋德军.不同外加剂对混凝土性能影响研究[J].当代化工,2017(5):817-820.