３层砖混楼上增建４层的方案选择孔德润，李玉祥，胡应吉某３层砖混楼，木屋架，机瓦屋面，灰土条形基础建于５０年代。其北半跨为纵墙承重，南半跨为横墙承重（图１）。一、二层外墙厚３７０ｍｍ，三层外墙及所有内墙厚２４０ｍｍ，拟在上部加建４层公寓式住宅。图１原有... Three-story brick-and-concrete-building four-story building plans to choose Kong Derun, Li Yuxiang, Hu Yingji a three-story brick building, wooden truss, tile roof, lime soil strip foundation was built in the 50’s. The north half of the bridge is the load bearing of the vertical wall and the southern half is the load of the cross wall (Figure 1). The outer walls of the first and second floors are 370mm thick, and the outer walls of the third floor and all the inner walls are 240mm thick. It is planned to build a 4-storey apartment house in the upper part. Figure 1 original ...