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Zhu Chenfei, Liu Xiaojun, Li Wenzhe, Wu Yonggen, Liu Qingtao. STUDY OF FREEZE-THAW DURABILITY AND DAMAGE MODEL OFHYBRID FIBER CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(2): 10-14. doi: 10.13204/j.gyjz201502003
Citation: Zhu Chenfei, Liu Xiaojun, Li Wenzhe, Wu Yonggen, Liu Qingtao. STUDY OF FREEZE-THAW DURABILITY AND DAMAGE MODEL OFHYBRID FIBER CONCRETE[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(2): 10-14. doi: 10.13204/j.gyjz201502003

STUDY OF FREEZE-THAW DURABILITY AND DAMAGE MODEL OFHYBRID FIBER CONCRETE

doi: 10.13204/j.gyjz201502003
  • Publish Date: 2015-02-20
  • Steel and basalt hybrid fibers reinforced concrete technical route was proposed,through the freeze-thaw test, the influence of steel fiber mixed basalt fiber on the frost-resistance of concrete and freeze-thaw model were studied. The results showed that different fiber dosage had great influence on the frost-resistance of concrete,and when the volume fraction of steel fiber was 1. 5% and basalt fiber was 0. 05%,the frost-resistance of airport pavement concrete attain the level of F250. The freeze-thaw damage mechanism was analyzed,freeze-thaw damage models of hybrid fiber concrete were established by using relative dynamic modulus of elasticity and accumulative freeze-thaw damage,the model based on relative dynamic modulus of elasticity attenuation was superior to the one based on accumulative freezethaw damage,and quadratic function model had a higher fit accuracy as compared to exponential function model.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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