BG/T51447-2021······1
1 總則······12
2 術語與縮略語······13
2.1 術語······13
2.2 縮略語······15
3 基本數據框架······16
3.1 架構與分層······16
3.2 項目······17
3.3 對象定義······17
3.4 對象關聯······18
3.5 產品形狀······18
3.6 產品類型形狀······19
3.7 組合······19
3.8 任務指派······20
3.9 連接······20
3.10 根追蹤······21
3.11 資源······21
4 核心層數據模式······22
4.1 一般規定······22
4.2 內核······22
4.3 控制擴展······36
4.4 過程擴展······37
4.5 產品擴展······42
5 共享層數據模式······67
5.1 一般規定······67
5.2 共享建筑元素······67
5.3 共享建筑服務元素······108
5.4 共享部件元素······122
5.5 共享設施元素······128
5.6 共享管理元素······135
6 專業領域層數據模式······140
6.1 一般規定······140
6.2 建筑專業應用······140
6.3 結構專業應用······153
6.4 結構分析應用······167
6.5 管道與消防應用······176
6.6 暖通空調應用······190
6.7 電氣專業應用······267
6.8 建筑智能控制應用······308
6.9 施工管理應用······321
7 資源層數據模式······328
7.1 一般規定······328
7.2 參與者資源······328
7.3 審批資源······330
7.4 約束資源······331
7.5 成本資源······333
7.6 日期時間資源······334
7.7 外部引用資源······337
7.8 幾何約束資源······340
7.9 幾何模型資源······342
7.10 幾何資源······348
7.11 材料資源······354
7.12 度量資源······359
7.13 展示外觀資源······369
7.14 展示定義資源······374
7.15 展示組織資源······375
7.16 截面資源······376
7.17 屬性資源······381
7.18 數量資源······383
7.19 表達資源······384
7.20 結構荷載資源······386
7.21 拓撲資源······389
7.22 工具資源······393
8 數據存儲與交換······395
8.1 一般規定······395
8.2 數據存儲······395
8.3 數據交換······395
附錄A 核心層數據模式的EXPRESS描述······396
A.1 內核······396
A.2 控制擴展······403
A.3 過程擴展······404
A.4 產品擴展······407
附錄B 共享層數據模式的EXPRESS描述······418
B.1 共享建筑元素······418
B.2 共享建筑服務元素······430
B.3 共享部件元素······434
B.4 共享設施元素······437
B.5 共享管理元素······439
附錄C 專業領域層數據模式的EXPRESS描述······441
C.1 建筑專業應用······441
C.2 結構專業應用······444
C.3 結構分析應用······449
C.4 管道與消防應用······455
C.5 暖通空調應用······458
C.6 電氣專業應用······474
C.7 建筑智能控制應用······486
C.8 施工管理應用······489
附錄D 資源層數據模式的EXPRESS描述······493
D.1 參與者資源······493
D.2 審批資源······495
D.3 約束資源······496
D.4 成本資源······498
D.5 日期時間資源······498
D.6 外部引用資源······502
D.7 幾何約束資源······505
D.8 幾何模型資源······507
D.9 幾何資源······514
D.10 材料資源······534
D.11 度量資源······537
D.12 展示外觀資源······554
D.13 展示定義資源······562
D.14 展示組織資源······563
D.15 截面資源······565
D.16 屬性資源······570
D.17 數量資源······573
D.18 表達資源······574
D.19 結構荷載資源······583
D.20 拓撲資源······586
D.21 工具資源······590
附錄E 元數據數據模式······592
本標準用詞說明······595
附:條文說明······596
1 總則······600
2 術語與縮略語······601
2.1 術語······601
3 基本數據框架······602
3.1 架構與分層······602
3.2 項目······602
3.3 對象定義······605
3.4 對象關聯······606
3.5 產品形狀······611
3.6 產品類型形狀······625
3.7 組合······627
3.8 任務指派······632
3.9 連接······635
3.10 根追蹤······642
3.11 資源······643
4 核心層數據模式······645
4.1 一般規定······645
4.2 內核······645
4.3 控制擴展······652
4.4 過程擴展······652
4.5 產品擴展······656
5 共享層數據模式······666
5.1 一般規定······666
5.2 共享建筑元素······666
5.3 共享建筑服務元素······698
5.4 共享部件元素······707
5.5 共享設施元素······709
5.6 共享管理元素······710
6 專業領域層數據模式······714
6.1 一般規定······714
6.2 建筑專業應用······714
6.3 結構專業應用······715
6.4 結構分析應用······722
6.5 管道與消防應用······732
6.6 暖通空調應用······740
6.7 電氣專業應用······761
6.8 建筑智能控制應用······777
6.9 施工管理應用······784
7 資源層數據模式······788
7.1 一般規定······788
7.2 參與者資源······788
7.3 審批資源······788
7.4 約束資源······788
7.5 成本資源······788
7.6 日期時間資源······789
7.7 外部引用資源······789
7.8 幾何約束資源······789
7.9 幾何模型資源······791
7.10 幾何資源······792
7.11 材料資源······792
7.12 度量資源······792
7.19 表達資源······792
7.20 結構荷載資源······792
7.21 拓撲資源······793
8 數據存儲與交換······794
8.1 一般規定······794
8.3 數據交換······794
附錄E 元數據數據模式······796
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