Zn系常温磷化的耐蚀性钢筋混凝土的力学性能
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摘要
为提高钢纤维的耐蚀性,分析常温锌系磷化在提高钢纤维耐蚀性的效果以及磷化处理后钢纤维混凝土的力学性能,确定磷化处理钢纤维的工艺流程。通过点铜试验、SEM、电化学方法对比分析处理后的磷化钢纤维与不锈钢钢纤维、普通钢纤维的耐蚀性。结果表明:与普通钢纤维相比,磷化处理后的钢纤维的耐蚀性能有明显提高,与不锈钢纤维耐蚀性能相近。通过混凝土力学性能试验对不同钢纤维混凝土的力学性能进行分析,结果表明:经磷化处理的钢纤维混凝土的各项力学性能指标较未经处理的钢纤维混凝土及不锈钢纤维混凝土无明显变化,且磷化钢纤维对混凝土早期强度有所提升。
In order to improve the corrosion resistance of steel fibers, the phosphorization effects of zinc series at the room temperature in improving the corrosion resistance of steel fibers and the mechanical properties of steel fibers after the phosphatization treatment are analyzed, and the process of phosphating treatment of steel fibers is determined. The comparative analysis of the corrosion resistance of the phosphorization-treated steel fibers, stainless steel fibers and ordinary steel fibers are carried out by the copper test, SEM and electrochemical method. The results show that the corrosion resistance of the phosphated steel fibers is obviously improved compared with that of the ordinary steel fibers, which is similar to that of stainless steel fibers. After the mechanical properties of different steel fiber concretes are analyzed by the mechanical performance test of concrete, the results show that there are no obvious changes in the mechanical performance indexes of steel fiber concrete treated by the phosphorization compared with the untreated steel fiber concrete and stainless steel fiber concrete, and however the phosphated steel fiber contributes to the slight increase of the early strength of concrete.
In order to improve the corrosion resistance of steel fibers, the phosphorization effects of zinc series at the room temperature in improving the corrosion resistance of steel fibers and the mechanical properties of steel fibers after the phosphatization treatment are analyzed, and the process of phosphating treatment of steel fibers is determined. The comparative analysis of the corrosion resistance of the phosphorization-treated steel fibers, stainless steel fibers and ordinary steel fibers are carried out by the copper test, SEM and electrochemical method. The results show that the corrosion resistance of the phosphated steel fibers is obviously improved compared with that of the ordinary steel fibers, which is similar to that of stainless steel fibers. After the mechanical properties of different steel fiber concretes are analyzed by the mechanical performance test of concrete, the results show that there are no obvious changes in the mechanical performance indexes of steel fiber concrete treated by the phosphorization compared with the untreated steel fiber concrete and stainless steel fiber concrete, and however the phosphated steel fiber contributes to the slight increase of the early strength of concrete.
引文
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[23]宋丹，游凯，程兆俊，等．混凝土结构用钢筋耐蚀性提升研究进展[J]．热加工工艺．2016,45(2):9-13.SONG Dan,YOU Kai,CHENG Zhaojun,et al.Research progress of corrosion-resistance improvement of rebar used in concrete structure[J].Hot Working Technology,2016,45(2):9-13．
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[30]武汉材料保护研究所．人造气氛腐蚀试验-盐雾试验:GB10125-2012[S]．北京:中国标准出版社，2013．
[31]杨永奇．FRP加固病害混凝土受弯构件的抗弯性能研究[J]．山东交通学院学报，2012,20(2):36-40.YANG Yongqi.Bending research on strengthening disease concrete member by FRP[J].Journal of Shandong Jiaotong University,2012,20(2):36-40．
[32]叶晗晖，奚康，葛胜良，等．受拉钢筋锈蚀后混凝土箱梁抗剪承载能力研究[J]．宁波大学学报(理工版)，2019,32(5):70-77.YE Hanhui,XI Kang,GE Shengliang,et al.Shear capacity of concrete girder with corroded longitudinal reinforcing steel bars[J].Journal of Ningbo University(Natural Science&Engineering Edition),2019,32(5):70-77．
[33]刘智．CFRP预加固钢筋混凝土柱的防腐防蚀性能研究[J]．住宅与房地产，2019(2):107-110．
[34]XU Qing,JI Tao,YANG Zhengxian.Steel rebar corrosion in artificial reef concrete with sulphoaluminate cement,sea water and marine sand[J].Construction and Building Materials,2019,227(10):227.
[2]韦龙林．浅谈钢纤维混凝土技术在道路桥梁施工中应用[J]．公路交通科技(应用技术版)，2014(12):363-365．
[3]王新柏．钢纤维混凝土技术在道路桥梁施工中的应用分析[J]．黑龙江科技信息，2017(1):261-261．
[4]王小亮．道路桥梁施工中钢纤维混凝土的技术应用[J]．黑龙江科学，2014,5(4):114-114．
[5]GEORGE Górecki.Improved iron phosphate corrosion resistance by modification with metal ions[J].Metal Finishing,2015(3):36-39．
[6]MADIHE Shoeib.Influence of ethoxy late surface on zinc phosphate coating[J].Metal Finishing,2007(9):62-68．
[7]BUROKAS V,MARTUIENIENA,BIKULCˇIUS G.The Influence of hexameta phosphate on formation of zinc phosphate coating for deep drawing of steel tubes[J].Surface and Coating Technology,1998,102(5):223-236．
[8]MAIMULYANTI A,BUDIAWAN,SAEFUMILLAH A,et al.Quantification of phosphate ions by diffusive gradients in thin films technique using drite as a binding gel and application to marine sediments[J].IOP Conference Series:Materials Science and Engineering,2019,496(1):839-846．
[9]HIROKAZU Katsui,NAOKI Kondo.Preferred orientations and microstructures of lanthanum phosphate films prepared via laser chemical vapor deposition[J].Journal of Crystal Growth,2019,519(5):49-53．
[10]李立群，曹永香，唐庆平．钢铁零件常温磷化工艺的研究[J]．电镀与环保，2019,39(3):49-51.LI Liqun,CAO Yongxiang,TANG Qingping.Study on phosphating process for iron and steel part at room temperature[J].Electroplating&Polluting Control,2019,39(3):49-51．
[11]PENG Hui,ZHOU Jiezi,CHEN Zhiyuan,et al.Integrated carbon nanosheet frameworks inlaid with nickel phosphide nanoparticles by substrate-free chemical blowing and phosphorization for aqueous asymmetric supercapacitor[J].Journal of Alloys and Compounds,2019,797:1095-1105．
[12]YANG Shuhan,LI Minghua,LIU Mingyan.Corrosion and fouling behaviors of phosphatized Q235 carbon steel coated with fluorinated polysiloxane coating[J].Progress in Organic Coatings,2019,134:177-188．
[13]LI Haoran,AHASN Wali.Modified metal mesh with bipolar wettability for rapid and gravity-driven oil-water separation and oil collection[J].Surface&Coatings Technology,2017,325:661-672．
[14]SAVENKO A V.Experimental study of silicate phosphatization under supergene zone conditions:hornblende,orthoclase,and labradorite[J].Geochemistry International,2019,57(6):722-727．
[15]TATAUKI Ohji,NAOKI Kondo,YOSHI Suzuki,et al.Grain bridging of highly anisotropic silicon nitride[J].Materials Letters,1999,40(1):5-10．
[16]DAISUKE Takagi,NAOKI Kondo,MISATO Takada,et al.Educational attainment,time preference,and health-related behaviors:a mediation analysis from the J-SHINE survey[J].Social Science&Medicine,2016,153:116-122．
[17]SRI H,MUHAMMAD A.Behavior of phosphate inhibitor on pitting corrosion resistance of Cr-Mo steel[J].IOP Conference Series:Materials Science and Engineering,2019,536(1):21-29．
[18]BIKULCIUS G,GIRCIENE O,BUROKAS V.Corrosion behavior in alkaline media of steel with various conversion coatings in concrete[J].Russian Journal of Applied Chemistry,2003,76(11):1759-1763．
[19]GIRCˇIENO,RAMANAUSKAS R,BUROKAS V,et al.Formation of phosphate coatings on steel and corrosion performance of phosphated specimens in alkaline solutions[J].Transactions of the IMF,2004,82(5/6):137-140．
[20]BIKULCIUS G,BUROKAS V,MARTUIEN2IENA,et al.Effects of magnetic fields on the phosphating process[J].Surface&Coatings Technology,2003,172(2)139-143．
[21]包晓英，李秀殿．钢表面钝化膜在混凝土空隙碱性环境下的耐蚀性分析[J]．铸造技术，2015,36(3):597-599.BAO Xiaoying,LI Xiudian.Corrosion resistance of passive membrane on steel surface in concrete gap alkali environment[J].Founder Technology,2015,36(3):597-599．
[22]魏红霞．钢纤维混凝土技术在道路施工中的应用[J]．交通世界，2018(12):18-19．
[23]宋丹，游凯，程兆俊，等．混凝土结构用钢筋耐蚀性提升研究进展[J]．热加工工艺．2016,45(2):9-13.SONG Dan,YOU Kai,CHENG Zhaojun,et al.Research progress of corrosion-resistance improvement of rebar used in concrete structure[J].Hot Working Technology,2016,45(2):9-13．
[24]XU J,YAO W,JIANG Z W.Non-ureolytic bacterial carbonate precipitation as a surface treatment strategy on cementitious materials[J].Journal of Materials in Civil Engineering,2014,26(5):983-991．
[25]GAO X J,YANG Y Z,DENG H W.Electrochemical changes of pre-corroded steel reinforced concrete due to electrochemical chloride extraction[J].International Journal of Electrochemical Science,2011(6):1797-1809．
[26]武汉材料保护研究所．钢铁工件涂装前磷化处理技术条件:GB/T6807-2001[S]．北京:中国标准出版社，2002．
[27]住房与城乡建设部标准定额研究所．钢纤维混凝土:JG/T 472-2015[S]．北京:中国标准出版社，2015．
[28]武汉材料保护研究所．金属的磷酸盐转化膜:GB/T 11376-1997[S]．北京:中国标准出版社，1998．
[29]武汉材料保护研究所．钢铁工件涂漆前磷化处理技术条件:GB/T 6807-2001[S]．北京:中国标准出版社，2002．
[30]武汉材料保护研究所．人造气氛腐蚀试验-盐雾试验:GB10125-2012[S]．北京:中国标准出版社，2013．
[31]杨永奇．FRP加固病害混凝土受弯构件的抗弯性能研究[J]．山东交通学院学报，2012,20(2):36-40.YANG Yongqi.Bending research on strengthening disease concrete member by FRP[J].Journal of Shandong Jiaotong University,2012,20(2):36-40．
[32]叶晗晖，奚康，葛胜良，等．受拉钢筋锈蚀后混凝土箱梁抗剪承载能力研究[J]．宁波大学学报(理工版)，2019,32(5):70-77.YE Hanhui,XI Kang,GE Shengliang,et al.Shear capacity of concrete girder with corroded longitudinal reinforcing steel bars[J].Journal of Ningbo University(Natural Science&Engineering Edition),2019,32(5):70-77．
[33]刘智．CFRP预加固钢筋混凝土柱的防腐防蚀性能研究[J]．住宅与房地产，2019(2):107-110．
[34]XU Qing,JI Tao,YANG Zhengxian.Steel rebar corrosion in artificial reef concrete with sulphoaluminate cement,sea water and marine sand[J].Construction and Building Materials,2019,227(10):227.
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