摘要:古建筑具有不可再生性和脆弱性的特点，是珍贵的文化遗产和历史资料，针对古建筑因保护不当而引发的火灾等灾难以及数据支撑的灾后重建问题，建立古建筑的保护云平台具有重要的意义。以泰山第一行宫为例，从测绘、参数化模型创建到云平台的建立展开研究，总结云平台建立的工作方法，使BIM技术在古建筑保护中的应用更深入，为古建筑的三维数字化保护提供参考。首先通过三维激光扫描、无人机航测和高精度正射影像绘图技术对泰山第一行宫进行测绘工作；其次通过BIM技术的运用，建立参数化构件、数字模型、3D打印实体模型、沉浸式虚拟交互系统最后建立轻量化云平台，解决了BIM数据文件储存路径单一、操作要求高的问题。并提供多元化协同平台，建立古建筑数据库，不仅包含模型文件、图纸、动画等所有文件都可以通过云平台展示，也为古建筑的数字保护工作提供一种工作方法。

Abstract: Historic buildings are non-renewable and fragile, but they have precious cultural heritages and historical data. This paper focuses on problems such as fires and other disasters caused by improper protection of historic buildings, and also focus on how data can support the post-disaster reconstruction. Therefore, it is quite important to establish a cloud platform for the protection of historic buildings. This research is taking the first palace of Mount Tai as an example.First of all, it uses the 3D laser scanning, UAV aerial survey, and high-precision orthograph to take the mapping process of the First Hanging Palace of Mount Tai. Secondly, it uses BIM technology to establish parameterized components, digital models, 3D printing entity models, and immersive virtual interactive systems.Finally lightweight cloud platform is built, which not only provides a solution for storing BIM data in a diversity way, but also reduce the operation difficulties. This provides diversified collaborative platforms, establishes database of historic architecture that includes model files, drawings, animations, etc. All files can be presented via cloud platform. The solution provides a reference for the digital protection of historic buildings.