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1·The prestressed concrete voided slab is liable to produce crack in construction.

预应力混凝土空心板在施工过程中，易产生裂缝。

2·This paper discusses how to control the quality during design and construction of prestressed concrete voided slab bridges aiming at the quality inspection.

本文拟从质量检验的角度，谈谈在设计与施工预应力空心板时如何控制质量。

3·The structural behavior of cellular voided slab was analyzed by finite element method, difference between cellular voided slab and ribbed or waffle slab was pointed out.

采用有限元法对比分析了蜂窝式空心板的受力特点，指出了蜂窝式空心板与密肋楼板和井式楼板受力机理的不同。

4·According to the practice of bridge construction at Heda Road, the paper introduces the construction method of changing voided slab simple-supported beam into continual beam.

结合鹤大公路桥梁施工的实践，简述了空心板简支梁转换为连续梁的施工方法。

5·Some problems such as concrete cracking, bigger deflection of span and abandoned beams caused by construction quality have appeared in the completed prestressed concrete voided slab Bridges.

在已建设的众多预应力混凝土空心板桥梁中，存在出现混凝土裂缝、跨中挠度过大及因施工质量问题而造成废梁等问题。

6·Structural type, design and calculation method of cellular voided flat slab with plastic boxes embedded in a underground garage were presented, calculating method of the deflection was proposed.

结合已建成的工程实例介绍了使用薄壁塑料盒作为填充体的蜂窝式空心无梁楼盖的结构型式及其设计计算方法，并提出了该类空心无梁楼盖板的挠度计算方法。