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输变电工程具有公益性﹑网络性﹑统一性和扩建性。在其建设过程中,呈现出投资规模大、建设工期长、线路跨越地域广、装备和设备技术水平高﹑社会影响面大等特点,造价管理面临复杂多变的环境和各种各样的不确定因素。根据对输变电项目造价风险因素分析,将系统理论中的解释结构模型(ISM)运用在输变电项目造价风险因素层次分析中,对风险因素进行划分并找出各因素之间内在关系,并根据建立的有向图提出了相应管理建议。
Power transmission project with public welfare, network, unity and expansion. In the course of its construction, it shows the characteristics of large-scale investment, long construction period, wide cross-section of lines, high technical level of equipment and equipment and large social impact. The cost management is faced with complex and ever-changing environment and various kinds of Determining factors. According to the analysis of the risk factors of the transmission and distribution project cost, the ISM in the system theory is applied to the level analysis of the risk factors of the transmission and distribution project cost, the risk factors are divided and the internal relations among the factors are found, And put forward the corresponding management suggestion according to the established digraph.