Secondly, the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length.
其次为使构件破坏时充分发挥预应力钢绞线的强度，防止弯曲裂缝出现在延伸长度之内，提出了先张预应力混凝土板在均布荷载作用下的最小板长。
The structure is analyzed by software 3D3S and MIDAS. The steel amount of whole structure can be reduced by adjusting the initial pretensioned value of cables.
采用3D3S和MIDAS软件对结构进行分析，通过控制拉索的初始预应力取值，降低整个结构用钢量。
The structure is analyzed by software 3D3S and MIDAS. The steel amount of whole structure can be reduced by adjusting the initial pretensioned value of cables.
采用3D3S和MIDAS软件对结构进行分析，通过控制拉索的初始预应力取值，降低整个结构用钢量。
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