抄録
Pressurization system of elevator shaft, which prevents smoke to spread into another floors through elevator shafts, will increase in number because of publication of a guide. However, there exists few report concerned to this system, there are many unknown points about the gap character and the distribution of pressure difference between hall and elevator shaft. We have planned this system in hotel and experimented on it in autumn and in winter. The results of this experiment, we confirmed that it showed the designed performance and grasped the actual influence of various factor toward this system.
