Structural Analysis of Story-Adding Structures of Existing Brick Masonry Buildings Using Unitary Masonry-In-Frame Systems

摘要

The interaction of frames with brick masonry structures in the story-adding structures of existing brick masonry buildings using unitary masonry-in-frame system is ambiguous as well as the calculation model. It is proposed that the seismic strengthening effect of the new frame structure on the existing brick masonry may be considered to be similar to that of constructional columns and beams, based on a number of relevant test data from abroad and home. Furthermore, the most disadvantaged internal force stage of the frame and brick masonry structure is analyzed, respectively, which is expected to be served as the basis of governing structural design.