室内交通空间的问题对里弄建筑来说,主要是指楼梯和过道。不难发现,江南传统民居中交通空间所占的比例微乎其微,甚至在有些类型中根本没有。建筑内部的交通流线是通过穿越房间实现的。早期里弄建筑延续了这种做法,除了“不得不出现”的垂直交通——楼梯,室内没有多余的空间留给交通。于是,楼梯成为必然的交通节点,它不仅是此后天井更为重要的前后分区转换标志,同时各个主要房间也都对楼梯设置出入口,使其成 The problem of indoor traffic space for the building Lane Lane, mainly refers to the stairs and aisles. It is not hard to find out that the proportion of traffic space in traditional houses in southern China is negligible, even in some types. The flow of traffic inside the building is achieved by crossing the room. The early construction of the building continued this practice, except for the vertical transportation of “had to appear” - the stairs, where no room for traffic was left. As a result, the staircase becomes an inevitable traffic node, which is not only a sign of the more important front and rear zoning changes of the patios, but also the entrances and exits of the stairways in each of the main rooms,