抄録
Collapse or falling of rainforced masonry walls due to heavy quake followed by a big earthquake is a widely noticed problem all over the local community area. Therefore, some task forces in local administrational organ have inspected the safety level of existing masonry walls by means of appearance examination, and established the grading of safety. Their adequacy was investigated after the big earthquake has hit. The tracing survey reached the conclusion that the established grades have certain reliability but should continue to be used with some cautiousness.
