苏联从八十年代初起,每年除继续新建大量住宅外,还着手改建和更新从五十年代来到六十年代初所建的第一代五层定型设计的住宅。第一代的定型设计住宅量很大,全苏约有五亿平方米,占全国住宅总数的15％,它们的使用年限可长达100～125年。但是随着社会的前进、科学技术的发展和人民物质 From the beginning of the 1980s, the Soviet Union started to build a large number of residential buildings every year, and also began to renovate and renovate the first-generation five-story design houses built from the 1950s to the early 1960s. The first generation of stereotyped design residences is very large. The entire Soviet Union has about 500 million square meters, accounting for 15% of the total number of residential buildings in the country. Their useful life can be as long as 100 to 125 years. But with the advancement of society, the development of science and technology, and the people’s material