高强高模量聚乙烯纤维(PE纤维)是一种被广泛研究应用的新型合成纤维增强材料.系统地研究了不同掺量、不同长径比的PE纤维对超高性能混凝土(UHPC)性能的影响.结果表明PE纤维能显著提高混凝土的抗折强度和抗压强度,在纤维体积掺量为2％的情况下,抗折强度为28 MPa,抗压强度为157MPa,较素UHPC分别提高了47.3％和28.1％.PE纤维的掺入大大提高了混凝土的韧性,改变了混凝土脆性破坏的形态,表现为多缝开裂,荷载-挠度全曲线表现为位移硬化.
参考文献
| [1] | Richard P .Composition of reactive powder concrete[J].Cem Concr Res,1995,7(01):1501. |
| [2] | Marcel Cheyrezy;Vincent Maret;Laurent Frouin .Microstructural analysis of reactive powder concrete[J].Cem Concr Res,1995,25(07):1491. |
| [3] | Dong joo Kim;Antoine E. Naaman;Sherif El-Tawil .Comparative flexural behavior of four fiber reinforced cementitious composites[J].Cement & concrete composites,2008(10):917-928. |
| [4] | Antoine E Naaman;Kay Wille.The path to ultra-high performnance fiber reinforced concrete (UHP-FRC):Five decades of progress[C]//[A].Kassel,2012 |
| [5] | Kamile Tosun-Felekoglu;Burak Felekoglu .Effects of fiber-matrix interaction on multiple cracking performance of polymeric fiber reinforced cementitious composites[J].Composites, Part B. Engineering,2013(Sep.):62-71. |
| [6] | Kamile Tosun;Burak Felekoglu;Bulent Baradan .Multiple cracking response of plasma treated polyethylene fiber reinforced cementitious composites under flexural loading[J].Cement & concrete composites,2012(4):508-520. |
| [7] | Jeffrey Chen;Gilles Chanvillard.UHPC composites based on glass fibers with high fluidity,ductility,and durability[A].Kassel,2012 |
| [8] | 叶邦土,蒋金洋,孙伟,王彩辉,胡君.玄武岩纤维增强大掺量矿物掺合料高强混凝土试验研究[J].东南大学学报（自然科学版）,2011(03):611-615. |
| [9] | 江朝华,赵辉,陈达,张玮.玄武岩纤维及聚丙烯纤维对水泥砂浆性能影响的对比分析[J].硅酸盐通报,2007(06):1084-1088. |
| [10] | 吴志煜,王时越,吕燕,马志广.耐碱玻纤混凝土抗折强度测定及不确定度评定[J].实验室研究与探索,2012(06):36-39. |
| [11] | 何峰 .活性粉末混凝土的配制技术研究[D].湖南大学,2000. |
| [12] | 杨吴生,黄政宇.新拌活性粉末混凝土流变性能研究[J].硅酸盐通报,2004(02):28-31,35. |
| [13] | Ravi Ranade;Michael D Stults.Development of high strength high ductility concrete[A].Rio de Janeiro,2011 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%