混凝土的垂直运输、高桥墩顶偏心控制、帽梁施工是该工程施工的难点。
Concrete vertical transportation, eccentricity control of pier top and construction of top hat beam are the difficult points for present project.
从提高桥梁抗震性能的角度出发，研究了高烈度区桥墩系梁的设置问题。
The installment of tie beam of pier in high earthquake intensity regions was studied in the view of improving seismic performance of bridges.
结果表明：在钢桁梁桥弦杆内填混凝土能降低杆件的应力水平，提高桥梁的整体刚度。
The results show that the stresses of chord members of partially concrete-filled steel truss bridge are decreased, while its integral stiffness is increased.
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