|Table of Contents|

Calculating Method for Amplitude Difference Coefficient of Budget Quota for Steel Plate Composite Beam Bridges(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2022年02期
Page:
128-134
Research Field:
桥梁工程
Publishing date:

Info

Title:
Calculating Method for Amplitude Difference Coefficient of Budget Quota for Steel Plate Composite Beam Bridges
Author(s):
CHEN Xiao1;  HOU Bo2;  HU Lei2;  LIU Yong-jian1;  SHI Xiao-li1;  LU Li-wei1
(1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Shaanxi Transportation Engineering Cost Affairs Center, Xi'an 710075, Shaanxi, China)
Keywords:
bridge engineering;  steel plate composite beam bridge;  measurement of construction quota;  compiling of budget quota;  amplitude difference coefficient;  analytic hierarchy process
PACS:
U445.2
DOI:
10.19815/j.jace.2021.11054
Abstract:
In order to fill the gap of budget quotas in the field of China highway engineering, provide a research basis for the technical and economic analysis of steel plate composite beam bridges, and further promote this bridge, the compilation method of budget quota of steel plate composite beam bridge was studied. The manufacturing process of steel beam of steel plate composite beam bridge was divided by using work breakdown structure(WBS)analysis method. Combining the literature research and support project, the basic information such as quota unit, project content, and quota sub-items of the budget quota were determined. The compilation method of construction quota was devised by integrating technical measurement method and comparative analogy method, and the field investigation was carried out on three steel structure enterprises to determine the consumption items and consumption of labor, materials, and machinery. Introducing the concept of efficiency coefficient of American engineering management, it was determined that the specific value range amplitude difference coefficient was [1.23,1.75]. By comparing with the existing statistical data and analyzing the difference, the rationality of the value range of the amplitude difference coefficient was verified. According to the analytic hierarchy process, the hierarchical model of the amplitude difference coefficient was established, and the relative weight of the theoretical influencing factors of the amplitude difference coefficient under the specific project was determined by constructing the judgment matrix and scoring the importance. Finally, it was determined that the value of the mechanical amplitude difference coefficient was 1.45, and the value of the manual amplitude difference coefficient was 1.33. The results show that the study improves the budget quota preparation method of steel plate composite beam bridge.

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Last Update: 2022-03-20