GB/T51269-2017：建筑信息模型分类和编码标准

GBT51269-2017······1

1 总则······11

2 术语······12

3 基本规定······14

3.1 分类对象和分类方法······14

3.2 编码及扩展规定······15

4 应用方法······17

4.1 编码逻辑运算符号······17

4.2 编码的应用······17

附录A 建筑信息模型分类和编码······19

本标准用词说明······339

引用标准名录······340

附:条文说明······341

1 总则······344

2 术语······345

3 基本规定······349

3.1 分类对象和分类方法······349

3.2 编码及扩展规定······351

4 应用方法······354

4.1 编码逻辑运算符号······354

4.2 编码的应用······355