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东鱼河大桥是定砀二级汽车专用公路中最大的一座桥梁工程。桥全长240m,为12m×20m斜45°后张法预应力空心板桥。其上部采用交通部部颁标准图JT/GQB001—91,圆板式橡胶支座,GQF—MZL80型伸缩缝,柱式墩台,桩基础。 山东省水利水电建筑工程承包公司在东鱼河大桥的施工中,认真研究设计图纸,及时发现问题,对空心板原设计做了一些必要的变更与补充,得到了设计和监理部门的认可。通过实施,全桥144块空心板没有一块出现质量事故,现已通车两年多,运行情况良好,并被评为优良工程。后张法预应力空心板的施工介绍如下:
The Dongyuhe Bridge is the largest bridge project in the Dingli Grade-2 motorway. Bridge length 240m, 12m × 20m oblique 45 ° post-tensioned prestressed hollow slab bridge. The upper part of the Ministry of Communications issued by the Ministry of the standard map JT / GQB001-91, round plate rubber bearings, GQF-MZL80-type expansion joints, column piers, pile foundation. Shandong Provincial Water Conservancy and Hydropower Construction Contractor in the construction of the Dongyuhe Bridge conscientiously studied design drawings and found problems in time. The original design of the hollow slab was changed and supplemented as necessary, which was approved by the design and supervision departments. Through the implementation of the entire bridge 144 hollow slab no one quality accident has been opened more than two years, running in good condition and was rated as good works. Post-tensioned prestressed hollow slab construction is described below: