抄録
Recently, CALS/EC is rapidly being promoted with the development of information technology. CALS/EC aims at an increase in efficiency of business by carrying out information exchange, cooperation, sharing, and reuse for digital results in the process of the life cycle of investigation, planning, design, construction, and maintenance management in public works. In CALS/EC, attention is being focused on utilization of 3D information for CAD or GIS. In order to promote CALS/EC in the future, it is very important to utilize 3D information. The purpose of this present research is to undertake reference investigation about practical utilization of 3D information in the construction industry. Moreover, the present condition of practical utilization of 3D information in the construction industry was analyzed.