|
Title |
Bond Performance Evaluation and Pullout Prediction Model for Double-Arched Steel Fiber
|
|
Authors |
박주현(Ju-Hyun Park) ; 송민규(Min-Kyu Song) ; 이종한(Jong-Han Lee) |
|
DOI |
https://doi.org/10.4334/JKCI.2022.34.6.667 |
|
Keywords |
강섬유; 인발실험; 예측모델; 에너지흡수성능; 더블아치형 steel fiber; pullout test; prediction model; energy absorption capacity; double-arched |
|
Abstract |
This study analyzed the performance of a newly developed double-arched steel fiber to propose a prediction model for the steel fiber. Experiments were conducted to evaluate the pullout resistance and energy absorption capacity of the double-arched fiber compared with those of the hooked-end and single-arched steel fibers. Double-arched steel fiber demonstrated high peak and residual pullout resistance, approximately 1.3 to 2.3 times those of the hooked-end and single-arched steel fibers. Energy absorption capacity was also large, approximately 1.5 to 2.3 times that of the hooked-end and single-arched steel fibers. In addition, the proposed prediction model of the pullout behavior for the double-arch steel fiber exhibited a peak pullout load similar to the experimental results with a slight difference of approximately 1.7 %. In addition, the residual pullout resistance and energy absorption performance obtained from the prediction model were also very similar to those in the experiments.
|