摘要:建筑信息化以其独有的优势越来越受到工程建筑行业认可，但是，与以往二维设计相比，在使用BIM技术进行工程设计时，Revit在调整管道坡度时依然存在效率低下等的相关问题。参考《室外排水设计规范》(GB 50014-2006)，研究了基于BIM技术在进行给水管道坡度调整时，使用Revit二次开发方面的相关知识，实现了通过二次开发技术批量调整管道管径与坡度值的对应关系，使Revit软件在协同工作中更加高效和便捷，同时，极大的降低了错误率。最后，应用于工程实例进行了展示，为推动BIM软件的及其他技术的发展提供了参考。

Abstract: With its unique advantages, construction informatization is increasingly recognized by the whole industry of engineering and construction. However, compared with the previous 2D design, Revit still has some problems such as inefficiency when its BIM model is applied in engineering design for adjusting pipeline gradient. Referring to the Outdoor Drainage Design Code (GB 50014-2006) Gradient, this paper studies the BIM-based gradient adjustment water supply pipeline through the application of secondary development on Revit.Through the secondary development technology, the corresponding relationship between pipe diameter and slope value is adjusted in batches, which makes the Revit software more efficient and convenient in collaborative work, and meanwhile greatly reduces the error rate. Finally, an engineering example is presented, which provides a reference for promoting the development of BIM software and other technologies.