新工艺的装配式钢龙骨具有工厂化批量生产、钢材重复利用率高、作业环境得到改善、施工更加规范等优点。
New process of fabricated steel keel has the characteristics of factory batch production, high steel recycling, big improvement of the working environment, more specification in construction, etc.
现浇或装配式混凝土结构强度随时间而变化，不同施工阶段对混凝土强度都有相应的要求。
The structural strength of the cast-in-place and assembly concrete can change with time. There are corresponding requirements for the concrete strength in different construction stages.
结合工程实例介绍了装配式预应力空心板梁的集中预制的施工组织及工艺流程。
Combined with the engineering practice discussion is made on the construction technology and the process for the centralized prefabrication of prefabricated prestressed hollow girder beam.
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