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。
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。
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.
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