Effect of embedded length of deformed bars welded to steel plate on precast reinforced concrete beam

Abstract

Most of reinforced concrete is constructed with a cast-in-place system, which use a lot of formwork, labor and construction time. As the technology progresses, it causes the construction of precast concrete, which has the advantage of reduce amount of formwork, labor and construction time, thus saving the construction budget. It also able to control the quality during the construction process better than the cast-in-place. Therefore, in order to want to develop the connection between columns and beams to be able to install more easily. This research will describe about precast concrete beams with deformed bars welded to steel plates embedded at the support sections. The main objective is to study the effect of embedded length of deformed bars welded to steel plate on precast concrete beams compared with precast concrete beams without deformed bars welded to steel plate designed according to standard of Engineering Institute of Thailand.