摘要
本文以沈阳市二环路/大坝路立交桥工程中一联预应力钢—混凝土组合连续梁桥为背景,结合其受力特性,探讨在混凝土桥面板内布置体内预应力的基础上,通过合理配置体外预应力钢束,改善钢—混凝土组合梁负弯矩区受力状态的设计方法,有关经验可供同类型桥梁设计借鉴参考。
Considering prestressed Steel-concrete composite continuous beam bridge in the engineering of Shenyang＇s Second Loop and Shenyang Daba Road overpass, and combining its stress characteristics, in this paper the author has explored the designing method of improving the stressed condition in the negative moment area by setting external prestressing cables reasonably, based on setting inner prestress in the bridge deck. The experience may give references for designs of the same type bridge.
出处
《辽宁省交通高等专科学校学报》
2012年第6期8-11,共4页
Journal of Liaoning Provincial College of Communications
关键词
钢砼组合结构
连续梁
容许应力法
体内预应力
体外预应力
Steel-concrete Composite Structure, Continuous Beam, Allowable Stress Method, Internal Pre- stress, External Prestress
