本文提出了一种新桥型——部分预应力混凝土组合连续梁桥的设计原理与施工方法。
In this paper, some design principles and construction methods of a new type composite continuous beam bridge with partially prestressed concrete have been put forward.
海淀公园人行天桥位于北京海淀公园内，其钢-混凝土组合连续梁为双线双曲下承式箱梁。
The pedestrian overbridge of Haidian Park is located in Beijing Haidian Park, whose steel-concrete continous beam is a bifilar and hyperbolic through box beam.
钢-混凝土组合连续梁桥的中间支座附近为负弯矩区，会导致桥面混凝土开裂，缩短使用寿命。
Negative bending moment nearby the middle supports of composite steel-concrete continuous beam bridge, will cause floor deck concrete to crack and shorten its life.
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