预应力混凝土连续梁式桥设计及施工技术要点浅析  

Key Points of Design and Construction Technique for Pre-stressed Concrete Continuous Beam Bridge

作　　者：于晓飞[1] 

机构地区：[1]辽宁省交通科学研究院,沈阳110015

出　　处：《北方交通》2010年第4期85-89,共5页Northern Communications

摘　　要：大量的预应力混凝土连续梁桥在施工或后期运营中出现各种不同性质的裂缝和跨中下挠。对该类桥梁的病害从设计、施工和养护管理等层面对其成因进行探讨,最后就预应力混凝土连续梁式桥从设计和施工两方面的技术要点进行初步探讨。Large amount of pre - stressed concrete continuous bridges may appear different characteristics of cracks and mid - span downwarp in the process of construction and later operation. Causes to this type of diseases have been discussed from aspects of design, construction and maintenance management and etc. Key points of design and construction technique for pre - stressed concrete continuous beam bridge are discussed in the end.

关 键 词：预应力混凝土 连续箱梁 裂缝 下挠 

分 类 号：U448.215[建筑科学—桥梁与隧道工程]