探析项目投资有效控制的途径

针对目前国内工程建设经常出现的工程概算超出投资估算、预算超出概算、决算超出预算，致使工程建设投资严重失控的“三超”现象，分析了其存在的主要原因－－频繁的工程变更和造价管理体制的弊端。本文根据一些实际工程，阐述了工程变更的主要种类及原因，分析了目前造价管理体制中存在的弊端,提出了解决减少工程变更的有效途径特别是联合测量和改进造价管理体制的一些有效方法，从而实现工程项目投资的有效控制。

Approach to Effective Control on the Project Investment

In this paper, in allusion to the three kinds of serious overvaluation (the budgetary estimate of project construction exceeds the rough estimate, the budget exceeds the budgetary estimate and the final accounts exceed the budget) causing uncontrollable project investment often appeared in domestic project construction,the main causes for that are analyzed. That is, the frequent project change and the malpractice of the cost managing system. In this paper, according to some real projects,the kinds and causes of project change are clarified and the malpractice of the cost managing system is analyzed. The effective approaches of reducing the project change, especially the united surveying and improving the cost managing system in order to make the effective control of the project investment are realized.