Abstract
With the wide application of ultra-high performance concrete in strengthening orthotropic steel bridge deck, the fatigue damage of steel bridge deck and the cracking of pavement layer are effectively solved. More green and environmentally friendly alkali-activated ultra-high performance concrete is also proposed. The finite element analysis method was used to study the shear performance of different diameter and length of the stud in alkali-activated UHPC. The results show that the diameter of the stud has the greatest influence on the shear bearing capacity of the stud, and the length-diameter ratio has a certain influence on the slip.
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