| 基于Vague集贴近度的工程项目投资快速估算方法 |
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| 引用本文： | 易欣. 基于Vague集贴近度的工程项目投资快速估算方法[J]. 华东交通大学学报, 2012, 29(3): 11-15 |
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| 作者姓名： | 易欣 |
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| 作者单位： | 华东交通大学土木建筑学院,江西南昌,330013 |
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| 摘 要： | 根据Vague集理论和贴近度计算方法,构建了一种工程造价的快速估算模型。首先从历史资料中选出与拟建工程项目类似的既有项目,然后选取了影响项目造价的主要特征元素并全部赋权,建立起相应的特征值矩阵。利用区间数综合单价建立了既有项目对拟建项目的Vague集隶属矩阵,再按照Vague集贴近度计算方法计算出既有项目与拟建项目的相似程度。借助于造价指数和贴近度最大的项目快速估出了拟建项目的单价。最后以某工程项目为实例,计算结果表明该模型准确、有效。
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| 关 键 词： | 工程项目 快速估价 Vague集 贴近度计算 特征因素 |
Fast Estimation Method for Project Investment Based on Vague Sets Proximity |
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| Yi Xin. Fast Estimation Method for Project Investment Based on Vague Sets Proximity[J]. Journal of East China Jiaotong University, 2012, 29(3): 11-15 |
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| Authors: | Yi Xin |
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| Affiliation: | Yi Xin(School of Civil Engineering andArchitecture,East China Jiaotong University,Nanchang 330013,China) |
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| Abstract: | According to Vague sets and its proximity calculation,this paper establishes a new fast estimating model of the construction cost.Firstly,the existing similar projects have been selected from the historical data.Secondly,the main characteristic factors which may influence project cost are selected to establish the corresponding characteristic value matrix.Based on interval integrated unit price,the Vague sets matrix of existing project is founded.Similarity degree of all the existing and designed projects is calculated.Through the cost index and maximal similarity project,the designed project cost has been estimated.Finally,the validity and accuracy of this model have been proved by practical data. |
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| Keywords: | construction project fast estimate Vague sets proximity calculation characteristic factors |
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