Moreover , building on stilts is an environmentally sound method of building that can prevent the earth ' s surface being destroyed and help to develop mountanious areas in accordance with the climax . finally , the dissertation analyses physical environmental technologies of guibei folk houses , including heat insulation of building enclosure structures , natural ventilation , solar radiation protection , rainproof , damp proof and lighting of houses and sound insulation of walls 最后，本文分析了桂北民居的物理环境技术，包括外围护结构的隔热、房间的自然通风、防太阳热辐射、防雨、防潮、采光、墙体隔声等，并对龙胜金竹寨廖宅和三江马安寨52一1宅进行了热工测试。
