"Effect of Shear Connectors Distribution and Reinforcement Layout at Grouting Pockets on the Connection between Pre-cast Concrete Girders and Pre-cast Deck Panels"

Abstract

Precast concrete decks have begun to revolutionize the bridge design industry due to their rapid constructability, reduction in overall mobilization and high quality control. Several precast elements are available to meet with all construction requirements. It is often preferable to transport beams and deck slabs separately to reduce the weight of each element. The interfacial shear transfer between the top slab and the supporting beams is of great significance to the overall deck load carrying capacity and performance. According to international codes it was found that distribution of shear connectors is one of the most important factors that has an effect on the capacity of the connection. Previous research and design guidelines suggest the use of two different approaches to quantify the required interfacial shear strength, namely based on the maximum compressive forces in the flange at mid-span or the maximum shear flow at the supports.