基于生命周期视角的绿色建筑项目组合选择分析

A Research on Green Building Project Portfolio Selection Model

基于可持续发展理论,以经济效益、环境效益和社会效益为准则构建绿色建筑项目遴选阶段的评价指标体系,并采用层次分析法进行综合评价;运用作业成本法将绿色建筑项目作业成本划分为单位级、批次级、环境级、项目级和维持级作业五个层次并考虑资金的时间价值和投资风险,以准确地估算生命周期成本;以资源约束下的经济效益和环境负荷为双目标,运用0-1目标规划法构建绿色建筑项目组合选择模型,对模型求解来选择最优的绿色建筑项目组合,并通过引入万达绿色建筑项目的案例检验模型的可行性与有效性。

Based on the theory of sustainable development,the paper conducts a comprehensive evaluation by using AHP and takes economic,environmental and social benefits as the criteria to establish an evaluation index system applied in the project selection stage of green building.According to the activity-based costing,the operation cost of a green building project is divided into five levels including unit-level cost,batch-level cost,environmental-level cost,project-level cost and facility-level cost.Consideration should be given to the time value and the investment risk of the funds to estimate the life cycle cost of the project precisely.Taking economic efficiency and environmental load as dual objectives under resource constraints,a green building project portfolio selection model is built by using the 0-1 goal programming and solved to select the optimal green building project portfolio.The model is introduced into Wanda’s green building project to examine the feasibility and effectiveness.