碳纤维混凝土导电升温性能试验研究
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摘要
通过在混凝土中掺入短切碳纤维,研究了其导电升温规律。发现掺碳纤维有利于混凝土抗压强度的提高。随着碳纤维含量增加,混凝土电阻首先急剧下降,之后放缓并趋于稳定,最佳碳纤维含量在0. 7%左右。施加交流电压相比直流电压,高电压幅值相比低电压幅值,碳纤维混凝土的电阻减小,升温效果更明显。对于大体积混凝土块,内部温度持续升高且未有稳定趋势。
By incorporating short-cut carbon fibers in concrete,the law of the temperature rise of the conductive material was studied. It is found that the mixed carbon fiber is beneficial to the compressive strength of concrete. With the increase of carbon fiber content,the electrical resistance of concrete first drops sharply,then slows down and tends to stabilize. The optimum carbon fiber content is around0. 7%. The resistance of the carbon fiber concrete is lower,the warming effect is more obvious under AC and higher voltage. For the large volume concrete,the internal temperature continues to rise and there is no stable trend.
By incorporating short-cut carbon fibers in concrete,the law of the temperature rise of the conductive material was studied. It is found that the mixed carbon fiber is beneficial to the compressive strength of concrete. With the increase of carbon fiber content,the electrical resistance of concrete first drops sharply,then slows down and tends to stabilize. The optimum carbon fiber content is around0. 7%. The resistance of the carbon fiber concrete is lower,the warming effect is more obvious under AC and higher voltage. For the large volume concrete,the internal temperature continues to rise and there is no stable trend.
引文
[1]侯作富.融雪化冰用碳纤维导电混凝土的研制及应用研究[D].武汉:武汉理工大学,2003.
[2]杨玉山,董发勤.碳纤维导电混凝土的研究与发展前景[J].化工新型材料,2007(2):1-2.
[3]孙明清,李卓球,沈大荣.碳纤维水泥基复合材料seebeck效应[J].材料研究学报,1998,12(1):111-112.
[4]唐祖全.碳纤维机敏混凝土路面结构融雪化冰性能研究[D].武汉:武汉理工大学,2002.
[5]侯作富,李卓球,胡胜良.碳纤维导电混凝土大板的研制[J].江汉石油学院学报,2003,25(2):121-122.
[6]缪小平,訾冬毅,范良凯.碳纤维导电混凝土在机场道面的应用研究[J].混凝土与水泥制品,2008(4):41-45.
[7]马世宁,刘晓军,张云龙.碳纤维导电混凝土道面机场除冰雪的应用研究[J].路基道面,2011(3):182-184.
[8]唐祖全,李卓球,侯作富,等.导电混凝土路面材料的性能分析及导电组分选择[J].混凝土,2002(4):28-31.
[9]邓宗才,付建斐,刘岩.碳纤维导电混凝土电热性能的有限元分析及试验研究[J].混凝土,2013(12):63-66.
[10]徐高伟,陈道政.混凝土中掺入碳纤维对其抗压强度影响的研究[J].公路交通科技,2013(6):205-206,214.
[11]李龙海,仝晔.机场用导电混凝土热融除冰雪能耗优化研究[J].混凝土,2016(4):150-154.
[2]杨玉山,董发勤.碳纤维导电混凝土的研究与发展前景[J].化工新型材料,2007(2):1-2.
[3]孙明清,李卓球,沈大荣.碳纤维水泥基复合材料seebeck效应[J].材料研究学报,1998,12(1):111-112.
[4]唐祖全.碳纤维机敏混凝土路面结构融雪化冰性能研究[D].武汉:武汉理工大学,2002.
[5]侯作富,李卓球,胡胜良.碳纤维导电混凝土大板的研制[J].江汉石油学院学报,2003,25(2):121-122.
[6]缪小平,訾冬毅,范良凯.碳纤维导电混凝土在机场道面的应用研究[J].混凝土与水泥制品,2008(4):41-45.
[7]马世宁,刘晓军,张云龙.碳纤维导电混凝土道面机场除冰雪的应用研究[J].路基道面,2011(3):182-184.
[8]唐祖全,李卓球,侯作富,等.导电混凝土路面材料的性能分析及导电组分选择[J].混凝土,2002(4):28-31.
[9]邓宗才,付建斐,刘岩.碳纤维导电混凝土电热性能的有限元分析及试验研究[J].混凝土,2013(12):63-66.
[10]徐高伟,陈道政.混凝土中掺入碳纤维对其抗压强度影响的研究[J].公路交通科技,2013(6):205-206,214.
[11]李龙海,仝晔.机场用导电混凝土热融除冰雪能耗优化研究[J].混凝土,2016(4):150-154.