7National Institute of Building Science. United States National Building Intormation Modeling Slandard, Ver- sionl- Part1[EB/OL]. [2007-12-181. http://build- ingsmartallianee, org.
8Lin Y C. Construction 3D BIM-Dascd knosledge man- agement system : A case study[ J ]. Journal of Civil En- gineering and Management, 2014, 20 ( 2 ) : 186-200.