Abstract：When new materials emerge in the variance project, there is no specific rule for the contractor to require price of the new material based on market surveys and other methods, resulting in that getting new materials with reasonable prices becomes a real problem. To solve this problem, we introduced PSM (Price Sensitivity Measurement) model to obtain the true and reasonable market price.Research conclusions:Based on market inquiry and market research approach, PSM model can be used to get more real and reasonable market price of new materials. This method can help the contractor to obtain artificial price, engineering equipment and construction equipment price information price in case of missing price. And then, calculate the management fees and profits in accordance with the appropriate rates, and aggregate labor costs, material costs, engineering, equipment costs, equipment use fees, management fees, profit which form the variance integrated unit price. In addition, the study found that more market price information does not mean better, because the purpose of obtaining market prices information is to solve practical problems in engineering variance. Therefore, gathering market price information must obey principle of usefulness, quality and effect, so that price information can be consistent with the goal of variance management activities. The research conclusion can be used in new materials cost control in construction company, which will also be used in the collection of new materials price.
王中和. 基于PSM模型的新型材料单价确定方法的研究[J]. 铁道工程, 2014, 31(10): 103-110.
WANG Zhong-he. Research on Method for Determining Unit Price of New Materials Based on PSM Model. 铁道工程, 2014, 31(10): 103-110.
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2014, Vol. 31 
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