The unique feature of the large bay flexible residential building is that:every unit itself consists of a reinforced concrete tube-stairway core body-with its repective composite wall with openings.

According to the uniform distribution of ground reaction and the principle of vertical static balance in masonry structure, we can sum up a convenient pragmatic method to adjust strip-base breadth.

The seismic hazard feature of masonry structure is analyzed and some aseismatic measures of masonry structure are proposed.