Timber seismic shelter and seismic retrofit structure

摘要

Problem to be solved: to provide a wooden seismic shelter, which is easy to construct, which can reduce the number of evacuees by reducing the damage caused by the collapse of a wooden house at the time of an earthquake, and also to reduce the number of shelters by suppressing the collapse of wooden houses and securing living space.This is a wooden seismic shelter installed in a wooden structure with an axial structure.It consists of four bearing walls 1 which surround the space of a part of a wooden buildingEach bearing wallTwo existing posts 110 andA wall part 10 made of a regular square member 11 which is stacked sideways between the existing columns andA joint means 20 for joining each square member 11 to an existing columnThe laterally loaded positive angle member 11 is provided with a shear force transmission mechanism 30 for blocking the lateral displacement of the two corners.Joining meansThrough the upper surface 11a of the positive angle member 11 diagonally penetrated to the end surface 11B of the positive angle memberA screw 20 is formed from the side surface of the existing column 110 to the interior of the existing column 110.Diagram