According to pretensioned prestressing concrete beam and slab construction in one express highway the master operations and controlling measures in the production are introduced.
结合某高速公路先张法预应力空心梁板的现场施工，介绍了在预应力先张法梁板生产过程中的主要工序及其控制方法。
For some problem in the construction of prestress beam slab, the paper analyzed and discussed its cause, and proposed protective measures and methods.
针对预应力梁板施工中较常遇到的一些问题，对其产生的原因进行了较为详细的分析与探讨，并提出了具体的预防措施和救治方法。
But mostly, the beam slab structure is adopted as superstructure which causes some weakness in construction and use of high-pile wharf.
但是上部结构却大都采用梁板结构，这使得高桩码头在施工和使用上存在着一些缺点。
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