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Integrating Object-Oriented CAD and Rule-Based Technologies for Construction Planning; Final rept
| 题名： | Integrating Object-Oriented CAD and Rule-Based Technologies for Construction Planning; Final rept |
| 作者： | Ganeshan, R.; Stumpf, A.; Chin, S.; Liu, L.; Harrison, B. |
| 关键词： | Military facilities; Computer aided design; Rule based systems; Construction; Object oriented programming; Data bases; Control; Spatial distribution; Methodology; Management; Impact; Models; Interactions; Cost estimates; Prototypes; Sequences; Time; Costs; Solutions(General); Base lines; Scheduling; Planning; Army corps of engineers; Productivity; Critical path methods |
| 摘要： | This report presents a methodology incorporating object-oriented and rule-based concepts to generate a preliminary construction plan for facility designs to: (1) compare alternative designs from a construction time and cost perspective; (2) animate the schedule to verify the schedule and identify constructibility problems before construction begins; (3) provide a good baseline schedule and cost estimate for the evaluation of contractor bids; and (4) determine the impact on schedule and costs due to modifications during the construction management phase. A prototype implemented in a LiSP-based environment includes: (1) object-oriented models of entities relevant to construction planning; (2) knowledge-bases to generate activities, identify construction methods, and sequence activities; (3) interactive capability to control the level of detail in schedule by grouping components based on spatial location by construction zones; (4) interface with MCACES (Micro-Computer Aided Cost Engineering Support system) databases to obtain crew definitions, unit costs and productivity information for common construction activities; (5) interface with Microsoft Project to do Critical Path Method analysis and display and manipulate schedule information; (6) capability to animate any portion of the schedule; and (7) capability to deal with incomplete design information by using construction solutions from previous projects. The prototype system was well received by schedulers and estimators. |
| 总页数： | 57p |
| 报告类型： | 科技报告 |
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