FRP栏杆的试验与设计-冯鹏PengFENG.PDFVIP

FRP 栏杆的试验与设计 齐玉军，冯鹏，叶列平 （清华大学土木工程系工程结构与振动教育部重点实验室 北京 100084 ） 摘 要：栏杆结构是房屋、桥梁等结构中关系到人员安全的重要构件。纤维增强复合材料 （FRP ）具有高强、 轻质、耐腐等优点，在栏杆结构中具有广阔的前景。文中提出了一种 FRP 拉挤型材栏杆结构，并进行了系 统研究。首先对带肋矩形断面的拉挤玻璃纤维增强复合材料型材进行了轴压和弯曲试验，得到了其基本受力 性能；然后通过对GFRP 栏杆结构参数的设计计算分析，提出了栏杆高度和立柱间距的参考取值；并对所设 计的GFRP 栏杆安全性了分析。研究结果表明，复合材料栏杆结构具有较高的安全储备。 关键词：栏杆结构；拉挤型材；荷载比例系数；安全系数 EXPERIMENTS AND STRUCTURE DESIGN OF FRP RAILING SYSTEMS QI Yu-jun, FENG Peng, YE Lie-ping (MOE Key Lab of Engineering Structure and Vibration, Department of Civil Engineering, Tsinghua University, Beijing 100084) Abstract ：Railing system as the important accessory of buildings and bridges is very important for ensuring the safety of lives and properties of the public user. The FRP (fiber reinforced polymer) has the advantages of light weight, high strength and corrosion resistance, and the FRP has the prospective applications in the railing systems. A FRP profile railing system is proposed and systematic studied in this paper. Firstly, the mechanical properties of a pultruded GFRP (glass fiber reinforced polymer) profile with ribbed rectangle section for railing system are acquired by tests in bending and compressive. Base on the test results, the railing structures is designed, and the height of the railing systems and the distance of the posts are proposed. The safety of the railing structure is analyzed. As the results, it is proved that the FRP profile railing sy