EXPERIMENTAL STUDY ON ANCHORAGE PRESTRESSED TENSION OF CFRP CABLE SUSPENDOME

Abstract

Abstract: Based on the formula of bearing capacity of cohesion force model, the CFRP cable bondage anchorage was optimized. The test of anchorage performance of the test piece was carried out. It was applied to the CFRP cable string dome structure, and the anchorage performance was verified and analyzed. The stress distribution of interfacial stress during the loading of radial cables. The results show that there are five stages in the interface stress distribution in the anchorage zone, and the free end stress is the largest in all stages. Before reaching the critical stage, the stress of the central cable is less than the stress at the loading end. After the critical stage, the stress in the middle is greater than the stress at the loading end. The stress at the free end of the cable is always higher than that of other parts in each stage.

Key words: carbon fiber, CFRP cable anchor, chord-supported dome, stress distribution

CLC Number:

TB332

ZHANG Xiang-yu, LIU Rong-gui, XIE Fu-zhe, XIE Gui-hua. EXPERIMENTAL STUDY ON ANCHORAGE PRESTRESSED TENSION OF CFRP CABLE SUSPENDOME[J]. Fiber Reinforced Plastics/Composites, 2018, 0(10): 5-11.

References

[1] 黄洋. 建筑工业4.0来了吗?[J]. 汉口学院学报, 2016(3): 15-16.
[2] 梁鹏, 陈金涛, 曹琳. CFRP斜拉索力学特性[J]. 中外公路, 2006, 26(1): 113-115.
[3] 杨斌. 未来大跨桥梁的结构材料——CFRP[J]. 公路, 1988(4): 31-32.
[4] 邓程远. CFRP索超大跨桥梁原型设计探索性研究[D]. 镇江: 江苏大学, 2011.
[5] 陈志华. 弦支穹顶结构体系及其结构特性分析[J]. 建筑结构, 2004(5): 38-41.
[6] 汪燕. 高性能CFRP索的弦支穹顶结构的静力性能与试验研究[D]. 镇江: 江苏大学, 2016.
[7] Kawaguchi M, Masaru A, Tatemichi I. Design, tests and realization of "suspendome" system[J]. Journal of the International Association for Shell & Spatial Structures, 1999, 131(40): 179-192.
[8] Kawaguchi M, Abe M, Hatato T, et al. Structural tests on the "suspendome" system.[J]. John F Abel, 1994, 383-392.
[9] 陈志华, 刘红波, 王小盾, 等. 弦支穹顶结构研究综述[J]. 建筑结构学报, 2010(S1): 210-215.
[10] 陈志华. 弦支穹顶结构研究进展与工程实践[J]. 建筑钢结构进展, 2011, 13(5): 11-20.
[11] 张明山. 弦支穹顶结构的理论研究[D]. 杭州: 浙江大学, 2004.
[12] 张志宏, 张明山, 董石麟. 弦支穹顶结构动力分析[J]. 计算力学学报, 2005, 22(6): 646-650.
[13] 张明山, 董石麟, 张志宏. 弦支穹顶初始预应力分布的确定及稳定性分析[J]. 空间结构, 2004, 10(2): 8-12.
[14] 赵玉萍, 袁鸿, 韩军. 基于弹性-塑性内聚力模型的纤维拔出界面宏观行为分析[J]. 力学学报, 2015, 47(1): 127-134.
[15] 赵玉萍. 复合材料中纤维/聚合物界面粘结失效机理研究[D]. 广州: 暨南大学, 2015.
[16] 谈一评, 秦超超, 王宇谋. 基于双线性本构模型的锚杆界面剥离机理分析[J]. 四川建筑科学研究, 2017, 43(1): 28-33.
[17] 吴业飞, 陈伟球. 基于内聚力模型的FRP-混凝土粘结强度分析[J]. 工程力学, 2010, 27(7): 113-119.
[18] 蒋田勇. 碳纤维预应力筋及拉索锚固系统的试验研究和理论分析[D]. 长沙: 湖南大学, 2008.
[19] Harada T, Idemitsu T, Soeda K, et al. A study on anchorage method for continuous fiber reinforcing materials (FRP) using highly expansive material[J]. Proceedings of the Japan Society of Civil Engineers, 2010, 627: 77-90.
[20] 蒋田勇, 方志. 极限状态时CFRP筋粘结式锚具粘结应力分布[J]. 公路交通科技, 2007, 24(12): 75-78.