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针对砖混结构的特点,通过建模对某办公楼进行了计算分析。提出了采用钢屋架代替混凝土梁板的做法以减轻自重,同时增加构造柱及圈梁提高结构的抗震性能。介绍了植筋、灌浆料及钢结构的施工工艺,并重点对拆除施工中的技术方法、预防措施进行了分析。技术方案及施工质量符合规范要求。
According to the characteristics of brick and concrete structure, the calculation and analysis of an office building is carried out through modeling. Proposed the use of steel roof truss instead of concrete slab approach to reduce self-weight, while increasing the column and ring beam to improve the seismic performance of the structure. The construction technology of planting bar, grouting material and steel structure is introduced, and the technical methods and precautionary measures in dismantling construction are analyzed emphatically. Technical programs and construction quality in line with regulatory requirements.