一、 99TS住宅体系的特点·基于我国人多地少、人均收入低的基本国情 ,考虑到我国长期计划生育政策形成的家庭小型化和人口老龄化 ,吸取大开间住宅和支撑体住宅的优点 ,结构体系采取小开间与大开间结合的方式 ,结构形式为钢筋混凝土横墙承重 ,取消内纵墙。居室内无墙无梁 ,住户 I. Characteristics of the 99TS Residential System • Based on the basic national conditions in China where there are fewer people and less land and per capita income, taking into account the miniaturization of the family and population aging resulting from the long-term family planning policy in our country, drawing on the advantages of housing and supporting houses, Structural system to take a small room with a wide open way, the structure of the load-bearing walls of reinforced concrete, cancel the vertical wall. Homeless walls without beams, households