盖挖逆作法条件下型钢混凝土梁施工方法

摘要

介绍了盖挖逆作法及型钢混凝土组合结构的概念，对盖挖逆作法条件下型钢混凝土梁的施工特点、适用范围、操作要点进行了阐述，并提出了在施工过程中具体的质量控制措施。%The paper introduces the concept of the topdown construction and steel concrete composite structure, illustrates the construction fea-tures, applied scopes, and operation points under the topdown construction, and points out the quality control measures in the construction process.