互通立交曲线梁桥绘图系统设计与实现

The Design and Realizing of Interchanged and Curved Beam Bridge Drawing System

目前桥梁计算机辅助设计在结构分析计算方面的研究及应用比较成熟,但是在桥梁绘图方面主要还是限于一些标准跨径和基本结构形式的桥梁设计图绘制,系统适应性受到很大限制,特别是对于目前公路和市政道路工程中常见的互通立交连续梁桥,由于其结构种类繁多、受力复杂、规律性差、异型结构多等特点,其互通立交构造物的计算机自动绘图一直未能实现,成为桥梁设计中的瓶颈。针对这种状况,本文以互通立交匝道内弯梁段箱梁一般构造图的设计绘图为例,对互通立交曲线箱梁桥上部结构计算机辅助设计与绘图系统的设计与实现进行了探讨。

At present the bridge computer-aided design is quite mature in the research and application of structure analysis and calculation, but on the aspect of bridge cartography, it is mainly confined to drawing the plan of some standards span and basic structural bridge, the adaptability of the system is seriously limited, especially to the common Interchange continuous beam bridge in the present highway and municipal road engineering, computer automatic drawing of the interchanged structure has not been realized because of its many kinds of structure types, complex stress, bad regularity, various heterogene- ous structures and so on. This becomes the bottleneck in bridge design. On this condition, taking inter- changed ramp box beam bridge＇s general constructional drawing design and cartography as an example, this article discusses interchanged and curved box beam bridge＇ s superstructure computer-aided design as well as the design and realization of the cartography system.