山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2011年
30期
100-101
,共2页
后浇带%温度预应力%张拉
後澆帶%溫度預應力%張拉
후요대%온도예응력%장랍
post-pouring band%temperature prestress%stretching
针对工程超长结构裂缝问题,采取设置后浇带方法及布设温度预应力筋技术,结合后浇带与预应力技术的优势,在后浇带封闭以前,张拉预应力筋,使得预应力效应得以充分建立;后浇带封闭以后,结构形成受力整体,从而对确保工程质量起到了重要作用。
針對工程超長結構裂縫問題,採取設置後澆帶方法及佈設溫度預應力觔技術,結閤後澆帶與預應力技術的優勢,在後澆帶封閉以前,張拉預應力觔,使得預應力效應得以充分建立;後澆帶封閉以後,結構形成受力整體,從而對確保工程質量起到瞭重要作用。
침대공정초장결구렬봉문제,채취설치후요대방법급포설온도예응력근기술,결합후요대여예응력기술적우세,재후요대봉폐이전,장랍예응력근,사득예응력효응득이충분건립;후요대봉폐이후,결구형성수력정체,종이대학보공정질량기도료중요작용。
According to the adopted post-pouring band method and the layout of the temperature prestressing tendon technique in the cracks problems of the super-long structure,the paper combining with the advantages of the post-pouring band and the prestressing technique,fully establishes the prestressing effect by stretching the prestressing tendon before sealing the post-pouring band,and forms the stress integration in the structure after the sealing of the post-pouring band,so as to ensure the important role of the engineering quality.
