摘要:本文的研究重点在于探讨BIM正向设计在市政大跨拱桥中的应用研究。研究内容包括市政大跨桥梁BIM正向设计的现状及前景、BIM正向设计在市政大跨拱桥设计中的优势、挑战和解决方案以及相应的应用策略和建议。本研究通过对BIM技术正向设计的深入研究和实践，结合实际案例分析和建模经验，旨在为市政大跨拱桥的设计和建造提供一种更高效、可靠的方法，促进城市基础设施的可持续发展，为城市居民提供更安全、便捷的交通环境。

Abstract: This article explores the application of BIM forward design in municipal large-span arch bridges, including the current status and prospects of BIM forward design for municipal large-span bridges, the advantages, challenges, and solutions of BIM forward design in municipal large-span arch bridge design, as well as corresponding application strategies and suggestions. Through in-depth research and practice on the forward design of BIM technology, combined with practical cases analysis and modeling experience, this study aims to provide a more efficient and reliable method for the design and construction of municipal large-span arch bridges which are expected to promote the sustainable development of urban infrastructure, and provide safer and more convenient transportation environment for urban residents.