In order to design irregular prestressed concrete floor, formulas of anisotropic finite element method to analyze the internal force of prestressed concrete hollow slab have been presented.

考虑预应力混凝土空心板的构造特点，推导了进行板内力分析的各向异性有限元法公式。

youdao

It is a new form of hollow floor slab cast in place with thin plastic box being used as inner formwork and has the advantages of easy construction, high hollowness and good economical benefit.

蜂窝式现浇混凝土空心楼板使用薄壁塑料盒作为内模，是一种新型的现浇空心楼板形式，具有施工简单、空心率大、经济效益好等优点。

youdao

The present invention is suitable for use in in-situ cast or pre-stressed reinforced concrete floor slab, roof, wall, foundation slab and hollow bridge.

适用于现浇钢筋砼或预应力钢筋砼的空心楼盖、屋盖、墙体、基础底板以及空腹桥梁使用。

youdao