浅谈钢混叠合梁斜拉桥设计理念

Introduction the design concept of steel and concrete composite beam cable-stayed bridge

随着经济的发展和社会的进步,大跨桥梁的建设越来越多。科技的进步让桥梁的设计理念有了大的变化,大跨斜拉桥、悬索桥的修建越来越多。现代斜拉桥梁设计中钢混叠合梁的结构形式充分发挥了钢材和混凝土材料各自的优势,使用越来越广泛。本文以青海省牙什尕至同仁高速公路控制性工程主跨560m的双塔双索面钢—混叠合梁斜拉桥——哇加滩黄河特大桥为依托,系统阐述了格构式钢—混叠合梁的构造特点和设计理念,并就该桥的施工情况及施工注意事项进行了概述和说明。该桥的设计理念和成功修建对中国桥梁事业的发展及今后类似工程的设计与施工具有很好的借鉴和指导意义。

With the development of economy and the progress of the society, the construction of large-span Bridges is more and more. The progress of science and technology for bridge design concept have great changes, the construction of large -span cable- stayed bridge, suspension bridge is more and more. Modern cable -stayed bridge in the design of the steel composite beam structure form to give full play to the steel and concrete materials of their respective advantages, more and more widely used. Based on the tooth what essential to colleagues in qinghai province highway engineering control mainspan 560m of the twin towers ShuangSuoMian steel-mixed composite beam cable -stayed bridge-Wajiatan Yellow River bridge, system elaborated the lattice type steel - mixed com- posite beam structure characteristics and design concept, and the construction of the bridge and construction points for attention were summarized and instructions. Built the bridge design concept and success for China- development of the cause of the bridge and the future similar project design and construction has the very good reference and guiding significance.