住宅建筑是城市中最大量的建筑物,因而节约住宅建设用地对节约城市建设用地将起到显著作用。除从街坊规划的角度考虑以外,就单体建筑来说,加大进深缩小面宽,是较为有效的办法。小内天井方案由于户内走廊加长,增加了辅助面积,且位于下部几 Residential buildings are the largest building in the city, so saving land for residential use will play a significant role in saving urban construction land. In addition to consideration from the perspective of neighborhood planning, for single buildings, it is an effective way to increase the depth and reduce the width. The Xiaonai Patio programme has increased the auxiliary area due to the lengthening of the indoor corridor and it is located in the lower part