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聚丙烯-钢纤维增强高强混凝土高温性能

, PP. 187-193

Keywords: 混杂纤维,外观评价,质量损失,高温,力学性能

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Abstract:

通过对聚丙烯-钢纤维增强高强混凝土(混杂纤维/高强混凝土)试块的高温试验,研究不同目标温度后混凝土表观特征、高温爆裂、质量损失及力学性能。结果表明:高强混凝土在600℃时发生爆裂,混杂纤维/高强混凝土直至800℃未出现爆裂,混杂纤维有效抑制了高强混凝土的高温爆裂。混杂纤维/高强混凝土的质量损失随所受温度的升高而增大,其抗压强度、抗折强度随温度的升高而降低,并且400℃以后显著降低。相同温度下,混杂纤维的加入提高了高强混凝土高温后强度。通过对试验结果的统计分析,分别建立了混杂纤维混凝土质量损失、抗压强度和抗折强度随温度变化的关系式。

References

[1]  董香军. 纤维高性能混凝土高温、明火力学与爆裂性能研究 .大连: 大连理工大学, 2006. Dong Xiangjun. Research on mechanical properties and spalling behaviours of FRHPC subjected to high temperature and fire . Dalian: Dalian University of Technology. 2006.
[2]  Kalifa P, Menneteau F D, Quenard D. Spalling and pore pressure in HPC at high temperatures [J].Cement and Concrete Research, 2000, 30(12): 1915-1927.
[3]  Hertz K D. Danish investigations on silica fume concrete at elevated temperatures [J]. ACI Materials Journal, 1992, 89(4): 345-347.
[4]  王 平, 肖建庄, 陈瑞生. 聚丙烯纤维对高性能混凝土高温后力学性能的影响试验研究 [J]. 工业建筑, 2005, 35(11): 67-77. Wang Ping, Xiao Jianzhuang, Chen Ruisheng. Experimental study on effect of polypropylene fiber on mechanical property of high performance concrete after high temperature [J]. Industrial Construction, 2005, 35(11): 67-77.
[5]  过镇海, 时旭东. 钢筋混凝土的高温性能及其计算 [M]. 北京: 清华大学出版社, 2003: 73-76. Guo Zhenhai, Shi Xudong. High temperature performance of reinforced concrete and calculation [M]. Beijing: Tsinghua University Press, 2003:73-76.
[6]  柳 献, 袁 勇, 叶 光, De Schutter Geert.聚丙烯纤维高温阻裂机理 [J]. 同济大学学报: 自然科学版, 2007, 35(7): 959-964. Liu Xian, Yuan Yong, Ye Guang, De Schutter Geert.Mechanism of polypropylene fibers on preventing spalling of self compacting concrete at high temperature [J]. Journal of Tongji University: Science Edition, 2007, 35(7): 959-964.
[7]  赵 军, 高丹盈, 王 邦. 高温后钢纤维高强混凝土力学性能试验研究 [J]. 混凝土, 2006, 205(11): 4-6. Zhao Jun, Gao Danying, Wang Bang.The experimental study on mechanical property of steel fiber reinforced high-strength concrete after high temperature[J].Concrete, 2006, 2006, 205(11): 4-6.
[8]  Al-Tayyib Abdul-Hamid J, Al-Zahrani Mesfer M. Use of polypropylene fibers to enhance deterioration resistance of concrete surface skin subjected to cyclic wet/dry seawater exposure [J]. ACI Materials Journal, 1990, 87(4): 363-370.
[9]  Xiao J, Falkner H. On residual strength of high-performance concrete with and without polypropylene fibers at elevated temperatures [J]. Fire Safety Journal, 2006, 41(2): 115-121.
[10]  Kodur V K R, Cheng, F P, Wang T Ch, et al.Effect of strength and fiber reinforcement on fire resistance of high-strength concrete columns [J]. ASCE Journal of Structural Engineering, 2003, 129(2): 253-259.
[11]  Peng Gaifei, Bian Songhua, Guo zhanqi, et al. Effect of thermal shock due to rapid cooling on residual mechanical properties of fiber concrete exposed to high temperatures [J]. Construction and Building Materials, 2008, 22(5): 948-955.
[12]  Chern J C, Yang H J, Chen H W.Behavior of steel fiber reinforced concrete in multiracial loading [J]. ACI Materials Journal, 1993, 89(1): 32-40.
[13]  Balaguru P. Contribution of fibers to crack reduction of concrete composites during the initial and final setting period [J]. ACI Materials Journal, 1994, 91(3): 280-288.
[14]  Holschemacher K, Mueller T, Ribakov Y. Effect of steel fibers on mechanical properties of high-strength concrete [J]. Materials and Design, 2010, 31(5): 2604-2615.
[15]  Wang Z, Liu Y, Shen R.Stress-strain relationship of steel fiber-reinforced concrete under dynamic compression [J]. Construction and Building Materials, 2008, 22(5): 811-819.
[16]  Aydin S, Yazici H, Baradan B. High temperature resistance of normal strength and autoclaved high strength mortars incorporated polypropylene and steel fibers [J]. Construction and Building Materials, 2008, 22(4): 504-512.
[17]  谢狄敏, 钱在兹.高温(明火)作用后混凝土强度与变形试验研究 [J]. 工程力学, 1996, 13(增刊): 54-58. Xie Dimin, Qian Zaici. Experimental study on strength and deformation of concrete after high temperature [J]. Engineering Mechanics, 1996, 13(Suppl): 54-58.
[18]  徐世烺, 阎轶群. 低配网率纤维编织网增强混凝土轴拉力学性能 [J]. 复合材料学报, 2011, 28(5): 206-213. Xu Shilang, Yan Yiqun. Mechanical properties of textile reinforced concrete plate at low textile ratios [J]. Acta Materiae Compositae Sinica, 2011, 28(5): 206-213.
[19]  罗立峰, 周建春, 黄培彦. 聚合物钢纤维混凝土的增强机理分析 [J]. 复合材料学报, 2002, 19(3): 46-50. Luo Lifeng, Zhou Jianchun, Huang Peiyan. Reinforced mechanism with the polymer latex added in the steel fiber reinforced concrete [J]. Acta Materiae Compositae Sinica, 2002, 19(3) : 46-50.
[20]  邢 锋, 冷发光, 冯乃谦,等. 克裂速纤维增强混凝土抗裂性能 [J]. 复合材料学报, 2002, 19(6): 120-124. Xing Feng, Leng Faguang, Feng Naiqian, et al. Properties of cracking resistance of cemfiber reinforced concrete [J]. Acta Materiae Compositae Sinica, 2002, 19(6): 120-124.
[21]  徐松林, 唐志平, 胡元育,等. 纤维增强水泥基复合材料压剪破坏的细观实验研究 [J]. 复合材料学报, 2005, 22(1): 92-101. Xu Songlin, Tang Zhiping, Hu Yuanyu, et al. Meso experimental investigation of fiber reinforced cementitious composites under compression and shear loading [J]. Acta Materiae Compositae Sinica, 2005, 22(1): 92-101.

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