基于响应面法的纤维素纤维引气道面混凝土力学性能建模分析
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摘要
在普通道面混凝土中加入纤维素纤维和引气剂,配制纤维素纤维引气道面混凝土,进行抗压强度和抗折强度试验。采用RSM方法,利用Design Expert统计分析软件,对纤维素纤维引气道面混凝土的力学试验结果进行模型拟合,分析含气量和纤维素纤维掺量各自变量及其交互作用对混凝土力学性能的影响。结果表明:含气量对混凝土的抗压强度影响显著,纤维素纤维掺量的影响则较弱;含气量和纤维素纤维掺量对抗压强度的交互作用不显著;含气量对混凝土抗折强度影响的显著程度稍大于纤维素纤维掺量;含气量和纤维素纤维掺量对抗折强度的交互作用显著。
Air entrained cellulose fiber pavement concrete was prepared by adding cellulose fiber and air entraining agent to ordinary pavement concrete,then test for compressive strength and flexural strength. Based on the RSM method,the experimental results were modeled by using the design expert statistical analysis software. The notability degree of air content was researched and cellulosed fiber content the intermingled influence between them towards the mechanical properties of concrete. The results show that,the notability degree effects of air content on compressive strength of concrete is remarkable,but the notability degree effects of cellulose fiber content is weak.The interaction between air content and cellulose fiber content has no significant effect on compressive strength; the notability degree effects of air content on rupture strength of concrete is slightly greater than that of cellulose fiber.The interaction between air content and cellulose fiber content has significant effect on rupture strength.
Air entrained cellulose fiber pavement concrete was prepared by adding cellulose fiber and air entraining agent to ordinary pavement concrete,then test for compressive strength and flexural strength. Based on the RSM method,the experimental results were modeled by using the design expert statistical analysis software. The notability degree of air content was researched and cellulosed fiber content the intermingled influence between them towards the mechanical properties of concrete. The results show that,the notability degree effects of air content on compressive strength of concrete is remarkable,but the notability degree effects of cellulose fiber content is weak.The interaction between air content and cellulose fiber content has no significant effect on compressive strength; the notability degree effects of air content on rupture strength of concrete is slightly greater than that of cellulose fiber.The interaction between air content and cellulose fiber content has significant effect on rupture strength.
引文
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2杨钱荣,黄士元.引气混凝土的特性研究.混凝土,2008;(5):3-7Yang Qianrong,Huang Shiyuan,Characteristics of air-entrained concrete.Concrete,2008;(5):3-7
3肖少华.路用引气混凝土工艺及耐久性室内试验研究.长沙:长沙理工大学,2011Xiao Shaohua.Indoor experiment research on manufacturability and durability of road air-entrained concrete.Changsha:Changsha University of Science&Technology,2011
4吴方政.引气剂对混凝土流变性及气泡特征的研究.石家庄:河北工程大学,2012Wu Fangzheng,The research of air entraining agent onconcrete rheological properties and bubblecharacteristic parameters effect.Shijiazhuang:Hebei University of Engineering,2012
5柯国炬,田波,王稷良,路面混凝土引气剂评价方法的研究.建筑材料学报,2014;17(4):743-746Ke Guoju,Tian Bo,Wang Jiliang,Evaluation method of pavement concrete air-entraining agent.Journal of Building Materials,2014;17(4):743-746
6姚佳良,翁庆华,刘虎跃,等.引气混凝土试验研究.工业建筑,2010;40(8):107-110Yao Jialiang,Weng Qinghua,Liu Huyue,et al.Experimental research on air-entrained concrete.Industrial Construction,2010,40(8):107-110
7王金华,岑国平,王硕太.机场道面引气混凝土性能试验研究.混凝土,2008;(11):40-42Wang Jinhua,Cen Guoping,Wang Shuotai.Experimental study on property of air-entrained concrete for airport pavement.Concrete,2008;(11):40-42
8王稷良,廖华涛,吴方政.引气剂对硬化混凝土力学性能与气泡特征参数的影响.公路交通科技,2015;32(1):25-29Wang Jiliang,Liao Huatao,Wu Fangzheng.Influence of air-entraining agent on mechanical property and air voidcharacteristic parameters of hardened concrete.Journal of Highway and Transportation Research and Development,2015;32(1):25-29
9刘贺,付智.含气量对混凝土性能影响的试验研究.公路交通科技,2009;26(7):39-43Liu He,Fu Zhi,Experimental research on properties of concrete with different air contents.Journal of Highway and Transportation Research and Development,2009;26(7):39-43
10吴永根,张泽垚,刘庆涛,等.采用响应面法的无机聚合物混凝土性能研究.空军工程大学学报(自然科学版),2017;18(3):92-98Wu Yonggen,Zhang Zeyao,Liu Qingtao,et al.Study on performance of inorganic polymer concrete based on response surface methodology.Journal of Air Force Engineering University(Nature Science Edition),2017;18(3):92-98
11付亚伟,蔡良才,曹定国,等.碱矿粉无机聚合物混凝土的制备及性能研究.建筑材料学报,2010;13(4):208-212Fu Yawei,Cai Liangcai,Cao Dingguo,et al.Manufacturing process and properties of alkali-slag mineral polymer concrete.Journal of Building Materials,2010;13(4):208-212