城市地下空间建设项目决策方法的研究

Research on Decision Method of Urban Underground Space Construction

地下空间利用的不可逆转性,决定了城市地下空间开发利用决策的严肃性。地下空间一旦开发利用,地层结构将不可能恢复到原来的状态,已建地下建筑物的存在也将影响邻近地下空间的使用。因此,城市地下空间开发利用的决策必须要做到合理、科学、慎重。城市地下空间建设项目决策是兼有定性因素和定量因素的复杂的系统问题,本文将多层次模糊数学综合评判法和层次分析法相结合,通过经济、环境、社会以及工程地质条件四大因素对地下空间建设项目进行决策分析,实现对城市地下空间建设项目进行有效的、合理的综合评价和方案优化决策,为决策者提供借鉴。

Decision of urban underground space exploitation is a serious problem, because the utilization of underground space is nonreversible. Once the urban underground space has been exploited, the stratigraphic configuration can never be back to the original state. The completed subsurface structures also influence the utilization of its surrounding area. So the decision of urban underground space exploitation must be reasonable, scientific and farsighted. Decision of urban underground space exploitation is an intricate system issue including quantitative factors and qualitative factors. In this paper, the decision of urban underground space project is analyzed by considering economic, environmental, social and engineering geological factors, combining comprehensive multilevel fuzzy judgment method with analytic hierarchy process. It provides an effective, reasonable and comprehensive evaluation result and an optimized decision example to decision maker.