名称 | ifc tunnel element |
领域 | IFCRAIL |
URL | http://cbims.org.cn/allscope/IFCRAIL-IfcTunnelElement |
分类编码 | IfcTunnelElement |
父类 | ifc rootifc productifc civil elementifc objectifc elementifc object definition |
子类 | ifc protective archifc tunnel primary supportifc system steel frameifc system ancher boltifc tunnel portal structureifc tunnel advance supportifc tunnel invert fillingifc tunnel lining structureifc initial support shotcreteifc leveling blanketifc waterproof layerifc protective layerifc temporary support |
等价类 |