Page 157 - Proceedings of 1st ISCIR 2017
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Strengthening of RC Structures using FRPs
         by Asst. Prof. Dr. Kittipoom Rodsin
                            Strengthening of non-ductile
                            column using FRP                         150
                                                                     100    1

                                                                      50
                                                    Lateral Load (kN)  0
                                เสาไม่ได้เสริมกําลัง  -250  -200  -150  -100  -50  0  50  100  150  200  250
                                                                     -50
                                                                                 With FRP
                                                                     -100        Without FRP
                                                                     -150
                                                                    Displacement (mm)







                                                           เสาที่เสริมกําลัง










         Strengthening of RC Structures using FRPs
         by Asst. Prof. Dr. Kittipoom Rodsin

                               Why GFPR?
                               1. Cheap with high tensile strength
                               Tensile strength and cost of glass fiber

                                                                     Carbon fiber  Glass fiber
                                        Tensile Strength (MPa)          3500         2300
                                       Young’s Modulus (GPa)            200           76
                                          Thickness (mm)                0.111        0.350
                                        Price per sq. m. (Bth)          1400          300
                                   Tensile Strength Per Meter (Ton)     38.85        80.50
                                       Price/Strength (Bth/Ton)         36.0          3.7
                                   Price/(Tensile Strength x Young’s    0.18         0.04
                                             Modulus)





                           “Innovative Seismic Strengthening System for Concrete Structures”
                                        © 2017 | T Imjai & R. Garcia (Eds.)
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