施工技术

2020, v.49;No.563(16) 1-3

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浅圆仓现浇檐沟定型化支撑体系设计与施工
Design and Construction Method of Shaped Support System for Cast-in-place Gutters in Shallow Round Silo

王伟,刘玮,周辉斌,王堃,李乾峰
WANG Wei,LIU Wei,ZHOU Huibin,WANG Kun,LI Qianfeng

摘要(Abstract):

浅圆仓檐沟高度较高、施工难度大、危险系数高,常规施工方法基于仓壁预埋钢管搭建支撑体系,预埋钢管后期封堵困难,影响筒仓气密性,且拆除时较为危险。提出一种新型可周转檐沟支撑体系,通过在仓壁滑模时预埋螺栓,以滑模吊架进行定位安装,利用高强螺栓实现支撑体系的快速安装与拆除。经过受力计算以及现场施工论证,该支撑体系满足浅圆仓檐沟施工要求且更为安全高效,具有良好的推广价值。
The shallow round silo gutter has a high height,difficult construction,and high risk factor.The conventional construction method is based on pre-embedded steel pipes in the silo wall to build a support system. The pre-embedded steel pipes are difficult to plug in later stages,which affects the air tightness of the silo and is dangerous when removed. A new type of revolving gutter support system is proposed,through pre-embedding bolts during the sliding form of the silo wall, positioning and installation with the sliding form hanger,and using high-strength bolts to realize rapid installation and removal of the supporting system. After calculation of the force and on-site construction demonstration,this kind of support system meets the construction requirements of shallow round silo gutters. It is safer and more efficient,and has good promotion value.

关键词(KeyWords): 粮仓;滑模;檐沟;可周转;螺栓;支撑
granary;slipform;gutters;turnaround;bolts;supports

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基金项目(Foundation): 国家粮食储备库高效建造关键技术研究与应用(CSCEC3B-2020-17)

作者(Author): 王伟,刘玮,周辉斌,王堃,李乾峰
WANG Wei,LIU Wei,ZHOU Huibin,WANG Kun,LI Qianfeng

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