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Abstract A fiber reinforced polymer (FRP) tendon analysis model has recently been proposed to estimate the ultimate load and explain its decrease with increasing diameter. However, the bond length of… Click to show full abstract
Abstract A fiber reinforced polymer (FRP) tendon analysis model has recently been proposed to estimate the ultimate load and explain its decrease with increasing diameter. However, the bond length of the FRP tendon must be longer than the effective bond length, which is a large limitation. This paper extends the application of analytical models to FRP tendons with arbitrary bond lengths. Based on the effective analytical formula of the actual boundary shear stress, the stress distribution of the FRP/steel bonded joints, which are mainly elastic behavior, is studied by the analytical model. The stress distributions of the FRP tendon under different pulling forces are verified against both FEA and previous test results. This model may contribute to the optimal design of the ultimate load.
Journal Title: Construction and Building Materials
Year Published: 2020
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