内容简介
JTG/T 2420-2021公路工程信息模型应用统一标准
Unified Standard for Application of Building Information Modeling in Highway Engineering
2021-06-01实施
2021-02-26发布
目 次
1 总则 ............................................................................................................................... 1
2 术语 ............................................................................................................................... 2
3 基本规定 ....................................................................................................................... 3
4 模型架构 ....................................................................................................................... 4
4.1 一般规定 .............................................................................................................. 4
4.2 模型内容 .............................................................................................................. 4
4.3 模型扩展 .............................................................................................................. 5
5 分类编码 ....................................................................................................................... 6
5.1 一般规定 .............................................................................................................. 6
5.2 分类对象 .............................................................................................................. 6
5.3 编码规则 .............................................................................................................. 7
5.4 编码应用 .............................................................................................................. 8
5.5 编码扩展 ............................................................................................................ 10
6 数据存储 ..................................................................................................................... 11
6.1 一般规定 ............................................................................................................ 11
6.2 存储要求 ............................................................................................................ 12
7 交付 ............................................................................................................................. 13
附录 A 分类和编码 ....................................................................................................... 14
附录 B 数据存储 ........................................................................................................... 56
本标准用词用语说明 ..................................................................................................... 83