混凝土细骨料置换分析
摘要
设置海水、河水对照组,对细骨料河砂逐步替换为海砂进行制备。设置不同龄期进行标准养护到龄期时进行单轴抗压实验,分析此类混凝土最优替换值并判断关键影响因素。研究结果表明:当海砂替换率为50%时强度最高,同时海砂对该类混凝土的强度影响较大,海水影响可以忽略不计。
引文
[1]Wenge Chai,Wenli Li,Hengjing Ba.Experimental Study on Predicting Service Life of Concrete in the Marine Environm-ent[J].The Open Civil Engineering Journal,2001:93-99.
[2]Shi XianMing,Xie Ning,Keith Fortune,et al.Durability of steel reinforced concrete in chloride environments:Anoverview[J].Constr Build Mater,2012,30(5):125.
[3]Boddy A,Bentz E,Thomas M D,et al.An overview and sensitivity study of a multimechanistic chloride transport model[J].Cement and Concrete Research,1999,29(6):827-837.
[4]漆贵海,王玉麟,李硕等.海砂混凝土国内研究综述[J].混凝土,2013,(5):57-61.
[5]施养杭,王丹芳,吴泽进.海砂混凝土及其耐久性保护[C].全国结构工程学术会议,2009.
[6]冷发光,丁威,周永祥等.海砂混凝土应用技术的若干要点[J].施工技术,2011,40(7):97-100.
[7]蒋真,赵铁军,宋晓翠.海砂混凝土碳化性能研究[J].工程建设,2009,41(4):11-14.
[8]Matsumura T,Shirai K,Saegusa T.Verification Method for Durability of Reinforced Concrete Structures Subjected to Salt Attack Under High Temperature Conditions[J].Nuclear Engineering and Design,2008,238(5):1181-1188.
[9]刘军,邢锋,董必钦等.模拟海砂混凝土中氯离子扩散研究[J].混凝土,2008,(3):33-35.
[10]刘军,邢锋,董必钦等.海砂型氯离子在混凝土中扩散的微观形貌分析[J].混凝土与水泥制品,2007,(6):15-17.
[11]D.E.Highley,L.E.Hitherrington,T.J.Brown,D.J.Harrison and G O Jenkin,“The strategic importance of marine aggregate industry to the UK”,British Geological Survey Research Report OR/07/019.
[2]Shi XianMing,Xie Ning,Keith Fortune,et al.Durability of steel reinforced concrete in chloride environments:Anoverview[J].Constr Build Mater,2012,30(5):125.
[3]Boddy A,Bentz E,Thomas M D,et al.An overview and sensitivity study of a multimechanistic chloride transport model[J].Cement and Concrete Research,1999,29(6):827-837.
[4]漆贵海,王玉麟,李硕等.海砂混凝土国内研究综述[J].混凝土,2013,(5):57-61.
[5]施养杭,王丹芳,吴泽进.海砂混凝土及其耐久性保护[C].全国结构工程学术会议,2009.
[6]冷发光,丁威,周永祥等.海砂混凝土应用技术的若干要点[J].施工技术,2011,40(7):97-100.
[7]蒋真,赵铁军,宋晓翠.海砂混凝土碳化性能研究[J].工程建设,2009,41(4):11-14.
[8]Matsumura T,Shirai K,Saegusa T.Verification Method for Durability of Reinforced Concrete Structures Subjected to Salt Attack Under High Temperature Conditions[J].Nuclear Engineering and Design,2008,238(5):1181-1188.
[9]刘军,邢锋,董必钦等.模拟海砂混凝土中氯离子扩散研究[J].混凝土,2008,(3):33-35.
[10]刘军,邢锋,董必钦等.海砂型氯离子在混凝土中扩散的微观形貌分析[J].混凝土与水泥制品,2007,(6):15-17.
[11]D.E.Highley,L.E.Hitherrington,T.J.Brown,D.J.Harrison and G O Jenkin,“The strategic importance of marine aggregate industry to the UK”,British Geological Survey Research Report OR/07/019.