某大桥桥墩纤维增强复合材料防撞浮箱常见病害分析

Analysis on Common Diseases of Anti-collision Buoyancy Tank Made from Fiber Reinforced Composites of a Bridge Pier

满足通航需求的前提下,在江海浅水区域设置墩柱,既能提高桥梁的跨越能力,也能减少技术难度和造价。在这种情况下,通航横断面被压缩,桥梁墩柱的船撞风险上升,由此桥墩的防撞设施设计也同时得到重视。目前我国已从材料和结构型式等多方面入手,设计出多种新型桥梁防撞设施。随着新材料在土木行业的发展,纤维增强复合材料防撞浮箱作为一种新型浮箱类型得到应用。该文主要从浮箱防撞机理、材料性能和结构型式等方面入手,对其常见问题病害进行分析,并提出实用有效的解决建议。

Under the premise of meeting the requirements of navigation, to build piers in the shallow water area of a river or a sea can not only improve the spanning capacity of the bridge, but also reduce the technical difficulty and cost. In this case, the cross section for navigation is compressed, and the risk of ship collision on the bridge piers increases, so the design of the anti-collision facilities for bridge piers has received attention. At present, a variety of new bridge anti-collision facilities have been designed from materials and structural types. With the development of new materials in the civil engineering industry, buoyancy tanks made from fiber-reinforced composites have found use as a new model. This paper mainly analyzed its common problems and diseases from the anti-collision mechanism, material properties, structures, types, etc., and presented practical and effective solutions.