在房屋结构中,由于体系陈旧、落后,造成构件笨重庞杂,工料耗费很大,给生产和施工带来一系列问题。在毛主席革命路线指引下,群众性的设计革命运动推动了建筑结构的改革。屋盖是每个建筑构筑物设计时要首先考虑的问题,因为它影响到下部结构和基础的设计与计算,因此,重屋盖成为结 In the housing structure, due to the obsolescence and backwardness of the system, the heavy and cumbersome components and the heavy consumption of work materials have caused a series of problems in production and construction. Under the guidance of Chairman Mao’s revolutionary line, the mass design revolutionary movement has promoted the reform of the building structure. The roof is the first consideration in the design of each building structure because it affects the design and calculation of the substructure and foundation. Therefore, the heavy roof becomes a knot.