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冻融循环及盐溶液作用下玄武岩纤维布耐久性试验研究
引用本文:郭旗,潘建伍,吴刚. 冻融循环及盐溶液作用下玄武岩纤维布耐久性试验研究[J]. 工业建筑, 2010, 40(4)
作者姓名:郭旗  潘建伍  吴刚
作者单位:1. 南京航空航天大学土木系,南京,210016
2. 南京航空航天大学土木系,南京,210016;东南大学城市工程科学国际研究中心,南京,210096
3. 东南大学城市工程科学国际研究中心,南京,210096
摘    要:在冻融循环和冻融循环-盐溶液复合环境下,对39个玄武岩纤维片材进行拉伸试验,研究环境类型、暴露时间对材料耐久性的影响。试验表明:两种环境作用下抗拉强度、延伸率都呈下降趋势,弹性模量呈上升趋势;冻融循环对片材抗拉强度的影响要比复合环境更大;复合环境下弹性模量增长幅度和延伸率下降幅度都高于单一冻融循环环境,说明复合环境更容易使材料脆化。最后,提出环境作用下玄武岩纤维布相对抗拉强度灰色预测模型。

关 键 词:玄武岩纤维布  耐久性  冻融循环  盐溶液  灰色系统

EXPERIMENTAL INVESTIGATION ON DURABILITY OF BASALT FIBER REINFORCED POLYMER UNDER FREEZE-THAW CYCLE AND SODIUM CHLORIDE SOLUTION
Guo Qi,Pan Jianwu,Wu Gang. EXPERIMENTAL INVESTIGATION ON DURABILITY OF BASALT FIBER REINFORCED POLYMER UNDER FREEZE-THAW CYCLE AND SODIUM CHLORIDE SOLUTION[J]. Industrial Construction, 2010, 40(4)
Authors:Guo Qi  Pan Jianwu  Wu Gang
Affiliation:1.Department of Civil Engineering;Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China;2.International Institute for Urban Systems Engineering;Southeast University;Nanjing 210096;China
Abstract:Tension tests were carried out for a total of 39 basalt fiber reinforced polymer( BFRP) sheet specimens subjected to freeze-thaw cycles and freeze-thaw cycles-sodium chloride solution.The law of BFRP composites performance deterioration ,the effects of different environmental conditions and exposure time on durability of BFRP composites were studied.The experimental results indicate that tensile strength and elongation decrease and elastic modulus increases when subjected to the two test environments.Single...
Keywords:basalt fiber reinforced polymer(BFRP) sheet  durability  freeze-thaw cycles  sodium chloride solution  grey system
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