應用研究 2024年 第53卷 第21期

DOI: 10. 7672 / sgjs2024210037

既有工業廠房加固改造技術

趙來柱

作者簡介:

趙來柱,工程師,E?mail:1341297153@ qq. com

作者單位:

北京建工四建工程建設有限公司,北京 100024

基金項目:

?北京建工集團科技計劃(RZCA140320220001)

摘要:

對已停產老工業廠房燒成窯尾高聳框架結構加固改造技術進行研究,包括基礎土方開挖、基礎加固、上部結構新增樓層及短肢剪力墻等,在保留原建筑設備及工業風貌的同時滿足安全和使用功能要求。進行基礎加固改造時,采用分區格開挖技術,在原獨立基礎內部和外圍新增筏板,形成整體筏形基礎,以增強整體結構穩定性。進行上部結構加固改造時,首先拆除原有磚混結構,以減小結構自重,降低對地基承載力的要求,然后進行梁、柱擴大截面和粘貼鋼板施工。加固施工過程中采用紅外監測設備對結構位移進行監測,以保證結構安全性和穩定性。

English:

The reinforcement and reconstruction technology of the high?rise frame structure of the existingindustrial plant fired kiln tail has been studied, including foundation earthwork excavation, foundationreinforcement, new floors and short?limb shear walls of the superstructure,while retaining the originalbuilding equipment and industrial features and meeting the safety and use function requirements. Duringthe foundation reinforcement and reconstruction, the partition grid excavation technology is adopted, andthe raft is added inside and outside the original independent foundation to form an integral raftfoundation,which can enhance the stability of the overall structure. When the upper structure isreinforced, the original brick?concrete structure is first removed to reduce the weight of the building andreduce the requirements for the foundation bearing capacity, and then the beams and columns areexpanded and the steel sheet is fastened. In the process of reinforcement construction, in order to ensurethe safety and stability of the structure, infrared monitoring equipment is used to monitor the structuraldisplacement.