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大桩径双层钢筋笼工厂化预制施工技术

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深中通道非通航孔桥设计使用寿命100年,基础布置大桩径钻孔灌注桩,其中部分钢筋笼设置双层主筋,钢筋直径大,强度等级高且密集布置,分节预制精度要求高,难度大.经过本工程大桩径双层钢筋笼应用,不断优化工艺,形成标准化施工,钢筋笼加工质量、加工效率均实现预期目标.通过一系列大桩径双层钢筋笼工厂化预制工艺总结,形成一套区别于传统长线法预制工艺,解决了类似中小型加工厂预制大桩径双层钢筋笼的难题.
FACTORY PREFABRICATION CONSTRUCTION TECHNOLOGY OF DOUBLE-LAYER REINFORCING CAGE WITH LARGE PILE DIAMETER
The design of the non-traffic bridge of the Shenzhen-Middle Channel for 100 years.The basic layout of the large pile diameter drilling pile is arranged.Some of the reinforced cages are set with double-layer main tendons.High difficulty.After the application of double-layer reinforced cage in the large pile diameter of this project,the process is continuously optimized to form standardized construction.The quality and processing efficiency of the steel cage all achieve the expected goals.Through a series of large pile diameter double-layer reinforced cage factories,the prefabricated process of prefabrication process,forming a set of prefabricated processes that are different from traditional long-term method,solving the problem of prefabricated large and medium-sized processing plants in the prefabricated large pile diameter double-layer reinforced cage cage.

large pile diameterrdouble layersteel cageprefabrication

吕鹏、孙庆发

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中交一航局第一工程有限公司,天津 300456

大桩径 双层 钢筋笼 预制

2024

建筑技术开发
北京市建筑工程研究院

建筑技术开发

影响因子:0.351
ISSN:1001-523X
年,卷(期):2024.51(4)
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