Title :
Simulation analysis of a foldable carbon fiber reinforced polymer bridge prototype
Author :
Agusril ; Nor, Norazman Mohamad
Author_Institution :
Civil Eng., Univ. Pertahanan Nasional Malaysia (UPNM), Kuala Lumpur, Malaysia
Abstract :
Simulation analysis of a foldable bridge prototype using carbon fiber reinforced honeycomb will be presented in this paper. The foldable bridge is constructed using sandwich structure which is consisting of Carbon Fiber Reinforced Polymer (CFRP) and Aluminum Honeycomb as the skin and core, respectively. The reason to use the CFRP as a primary material is due to its high strength to weight ratio, thus making it lighter than steel and other alloy. The use of Aluminum Honeycomb Hex-Web 5.2-1/4-25(3003) is expected to increase the stiffness of bridge beam without significant additional weight. Finite Element Analysis (FEA) is used to simulate several lay-up of CFRP layer including use of aluminum honeycomb core to increase stiffness of the member. The trials produce the maximum stress on the lamina (σ1) = -87.4 MPa, (σ2) = 2.53 MPa, and (τ12) = -9.68 MPa, while the maximum stresses of aluminium honeycomb are σz = 0 MPa, τyz = -0.823 MPa, τxz = -0.493 MPa. Failure analysis of CFRP and aluminium honeycomb show that the maximum stresses are within allowable material strength. From the trials can be concluded that, with proper design, Carbon Fiber Reinforced Polymer and Aluminum Honeycomb can take the design load similar to steel and aluminium alloy.
Keywords :
aluminium alloys; bridges (structures); carbon fibre reinforced plastics; elasticity; finite element analysis; honeycomb structures; prototypes; sandwich structures; stress analysis; structural engineering; CFRP layer; FEA; aluminum honeycombs; carbon fiber reinforced polymers; finite element analysis; foldable bridge prototypes; material strength; sandwich structure; stiffness; stress analysis; Aluminum; Bridges; Finite element methods; Polymers; Steel; Stress; Aluminium Honeycomb; CFRP; Finite Element Method; Foldable Bridge;
Conference_Titel :
National Postgraduate Conference (NPC), 2011
Conference_Location :
Kuala Lumpur
Print_ISBN :
978-1-4577-1882-3
DOI :
10.1109/NatPC.2011.6136356