现浇梁钢筋密集情况下混凝土振捣技术改良  

Improvement of Concrete Vibration Technology based on Dense Reinforcement of Cast-in-Place Beam

作　　者：李俊 吕永伟 任鑫 闫松涛 LI Jun;LV Yongwei;REN Xin;YAN Songtao(Northern China Branch,China Construction Eighth Engineering Division Crop.Ltd.,Tianjin 300452,China)

机构地区：[1]中国建筑第八工程局有限公司华北分公司,天津300452

出　　处：《天津建设科技》2023年第6期56-58,共3页Tianjin Construction Science and Technology

摘　　要：针对现浇梁钢筋密集工况下局部混凝土振捣不充分问题,对现有混凝土振捣技术进行改良。在现浇梁钢筋密集区域提前规划振捣点,预埋PVC管作为振捣棒伸入钢筋内部的预留空间,以一种前置规划、前置预留的方式有效保证在不扰动现浇梁整体钢筋骨架的前提下,为振捣棒提供充足的伸入空间,有保证了现浇梁密集钢筋情况下梁体内部混凝土充分振捣。In view of the problem of insufficient local vibration in the case of dense reinforcement of cast-in-place beams,the paper improves the existing concrete vibration technology.The vibration points are planned in advance in the area with dense reinforcement of cast-in-place beams,and the embedded PVC pipe is used as the reserved space for the vibrator to extend into the reinforcement.In a way of pre planning and pre reservation,it is effectively guaranteed to provide sufficient extension space for the vibrator without disturbing the overall reinforcement framework of cast-in-place beams,which effectively ensures sufficient vibration inside the beam body when the cast-in-place beam is densely reinforced.

关 键 词：现浇梁 钢筋 混凝土振捣 

分 类 号：TU755.6[建筑科学—建筑技术科学]