以预应力混凝土小构件和混凝土空心小型砌块为核心技术的农房建筑体系(简称“两小体系”)于一九八五年十月十八日至二十一日在成都通过省级技术鉴定。该项课题是四川省科委和四川省城乡建设环境保护厅下达《农村房屋成套技术研究》课题中,由四川省建筑科学研究所承担的《农村建筑构配件研究》和《农村房屋建筑墙体材料的研究》两个子项课题,经过调 The rural housing construction system based on prestressed concrete small components and concrete hollow small blocks (abbreviated as “two small systems”) passed provincial technology in Chengdu from October 18 to October 18, 1985 Identification. This project is part of the “Research on Rural Housing Complete Technology” issued by the Sichuan Provincial Science and Technology Commission and the Urban and Rural Construction and Environmental Protection Department of Sichuan Province. The Research Institute of Building Construction Components and the Rural Housing Building Wall undertaken by the Sichuan Institute of Building Science. “Study of Materials”, two sub-topics, adjusted