Research on the pricing mechanism of pipelines' utility tunnel entering cost based on grey group clustering and CRITIC combined weighting

doi:10.3969/j.issn.2097-0706.2023.11.010

Abstract

Abstract:

Underground laying method is recommended in municipal grid construction and upgrading， and reasonable pricing mechanism for the pipelines' utility tunnel entering cost is significant to the utility tunnel construction. The existing charging mechanism is flawed in allocation coefficients' calculation. Thus， a cost allocation model based on grey group clustering and CRITIC combined weighting is proposed. First of all， the cost-sharing indicators of all parties entering the tunnel are determined based on the principle of beneficiary payment. Then， the subjective weight coefficients and objective weight coefficients of different apportionment indexes are calculated based on grey group clustering and CRITIC， respectively. Finally， considering the subjective and objective weighting data， the combined weight of each apportionment index is calculated based on the sum of squares of deviations. The proposed model is applied to a pipelines' utility tunnel entering cost allocation scheme， and the case study verify the effectiveness of the proposed method.

Key words: electric pipeline, pricing mechanism of utility tunnel entering cost, combined weighting, grey group clustering, CRTIC

CLC Number:

TM757:TU91

XU Xiaojun, LI Kui, ZHANG Fangyin, ZHOU Yang, YE Fei, GUAN Qianfeng, MI Lele. Research on the pricing mechanism of pipelines' utility tunnel entering cost based on grey group clustering and CRITIC combined weighting[J]. Integrated Intelligent Energy, 2023, 45(11): 82-89.

Figures/Tables 5

Fig.1

Table 1

Indicators of pipelines

指标	Y1	Y2	Y3	Y4	Y5	Y6
$S 1$ /万元	1 316.70	1 007.30	2 060.30	2 010.00	1 136.38	3 369.80
$S 2$ /%	9.5	7.9	26.6	19.1	25.0	11.9
$S 3$ /万元	3.14	2.50	6.62	5.46	5.15	6.23

Table 1

Fig.2

Table 2

Fig.3

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项目	Y1	Y2	Y3	Y4	Y5	Y6	合计
分摊因子	0.108 7	0.086 2	0.225 0	0.187 5	0.172 3	0.220 3	1.000 0
一次性入廊费用/万元	881.35	698.92	1 824.32	1 520.27	1 397.03	1 786.21	8 108.10
年度日常维护费用/万元	3.16	2.51	6.55	5.46	5.01	6.41	29.11