输煤栈桥结构碳纤维加固技术及数值模拟

Reinforced with CFRP and numerical simulation of coal trestle structure

利用大型有限元计算软件ANSYS对阜新发电厂输煤栈桥进行了碳纤维加固梁受静荷载作用的有限元分析,给出了梁加固的具体方案,结果表明使用碳纤维加固方法可以明显提高梁的承载能力和有效控制梁的挠度变形。同时通过分析动荷载作用下碳纤维加固梁的各种材料应力应变状态得知,碳纤维加固可以使结构构件有一定的安全储备,以适应各种环境影响因素带来的额外荷载,从而较大程度的提高结构构件的安全使用可靠度。

The finite element analysis on beams pressed with dead loading of trestle for coal transporting of Fuxin Power Plant was completed by using ANSYS software.The result shows that the carrying power of beam reinforced with CFRP is increased and deflection is controlled effectively.At the same time,analysis on respond history of the factory building excited by dynamic shows that the mass of structure increase so little that can be ignored by means of pasting CFRP for reinforcing structure,and resistance to lateral bending stiffness is increased dramatically,so that the structure can resist any loading.