现浇混凝土空心楼盖设计及应用

Design and application of cast-in-situ concrete hollow floor

介绍了现浇混凝土空心楼盖在工程中的应用和发展,对现浇混凝土空心楼盖的规范、图集体系进行了梳理归纳。对现浇混凝土空心楼盖结构在结构体系的选择上结合规范给出笔者的理解和建议。对于现浇混凝土空心楼盖在工程应用中的几个关键问题进行分析,并结合规范的规定对这些问题进行了探讨。对目前市场上用于现浇混凝土空心楼盖结构的软件进行概括对比介绍。对空心楼盖目前的设计现状进行了分析,探讨了现浇空心楼盖的一些认识误区。最后展望了现浇空心楼盖的发展前景以及其在结构优化、与预应力结合方面的发展方向。

Development and application of cast-in-situ concrete hollow floor in engineering were introduced. Norms and construction drawings for cast-in-situ concrete hollow floor were summarized. Based on norms, understanding and suggestion were provided for the structural system selection of cast-in-situ concrete hollow floor structure. Several key problems in the engineering application of cast-in-place concrete hollow floor were analyzed,and these issues were discussed combined with the norms. Programs in the current market used for calculation of cast-in-situ concrete hollow floor structure were summarized and compared. The present design situation of hollow floor was analyzed, and some misunderstandings of cast-in-situ hollow floor design were discussed. Finally,the prospects of cast-in-situ hollow floor development were introduced as well as the development direction combined with structural optimization and prestressed design.