Development and Performance Evaluation of Floor Level Joint System

다목적 바닥 레벨조인트 공법의 개발 및 성능평가에 관한 연구

The finishing method of concrete floor using automatic surface finisher is one of new technologies in concrete floor construction. The development of high technologies in construction will increase in order to satisfy the demand to construct high quality building. Using this method, it is possible to increase the quality of building as well as to reduce the labor work in site. In this paper, a system which can be used to finish the concrete floor using automatic surface finisher, is presented and its structural capacities are evaluated. The system is composed of rail which guides the surface vibrator and absorbs the volume change of concrete, and a device supporting the rail. From the experimental work for these devices, it was shown that the support and rail had suitable strength to resist the automatic surface finisher. For design purpose, also, effective span of supports was tabulated.