[1]刘昕,钱昊,罗福君,等.基于BIM技术的装配式桥面系经济性研究[J].高速铁路技术,2023,14(04):40-44，55.[doi:10.12098/j.issn.1674-8247.2023.04.008]
　LIU Xin,QIAN Hao,LUO Fujun,et al.A Study on Economy of Prefabricated Bridge Deck Systems Based on Building Information Modeling[J].HIGH SPEED RAILWAY TECHNOLOGY,2023,14(04):40-44，55.[doi:10.12098/j.issn.1674-8247.2023.04.008]
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基于BIM技术的装配式桥面系经济性研究()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
14卷
期数:
2023年04期
页码:
40-44，55
栏目:
出版日期:
2023-08-30

文章信息/Info

Title:
A Study on Economy of Prefabricated Bridge Deck Systems Based on Building Information Modeling
文章编号:
1674-8247（2023）04-0040-05
作者:
刘昕; 钱昊; 罗福君; 罗玮; 刘航
中铁二院工程集团有限责任公司，成都 610031
Author(s):
LIU Xin; QIAN Hao; LUO Fujun; LUO Wei; LIU Hang
China Railway Eryuan Engineering Group Co. ，Ltd. ，Chengdu? 610031 ，China
关键词:
BIM技术; 装配式桥面系; 经济性研究
Keywords:
Building Information Modeling; prefabricated bridge deck system; research on economy
分类号:
U448.13
DOI:
10.12098/j.issn.1674-8247.2023.04.008
文献标志码:
A
摘要:
为研究装配式法与现浇法施工桥面系技术经济指标的差异，依托贵南高速铁路装配式桥面系新工法的定额测定成果，在同口径工程界面情况下，对比分析两种工法的技术经济指标差异。研究结果表明：（1）装配式工法每延米技术经济指标较常规现浇法施工均有不同程度的增加，增加幅度43％～92％，有声屏障段落增加幅度43％～47％，无声屏障段落增加幅度88％～92％；（2）装配式预制块较现浇法施工在实体工程数量上存在一定优化，主要表现为钢筋数量，每延米钢筋用量优化62.60～159.12kg；（3）装配式构件预制与现浇法施工桥面系在构件实体工程数量上口径一致，每延米经济指标为现浇法施工的80％。装配式法中预制块安装工程是该工法费用组成的重要影响因素，而螺栓安装与封堵子目对预制块安装工程的延米经济指标影响较大，占预制块安装工程费用的78％。
Abstract:
This study aims to analyze the technical and economic differences between the prefabricated construction method and the cast-in-situ construction method for bridge deck systems. Utilizing the established norms of the prefabricated construction method applied in Guiyang-Nanning High-speed Railway，a comparative analysis of the two methods was conducted under similar engineering interface conditions in the paper. The findings indicate that：（1）The technical and economic indicators per linear meter show varying degrees of increase in the prefabricated construction method compared to the conventional cast-in-situ construction method. The increase ranges from 43％ to 92％. Specifically，the sections with sound barriers experience an increase of 43％ to 47％，while the sections without sound barriers observe an increase of 88％ to 92％.（2）When compared to cast-in-situ construction，the prefabricated blocks demonstrate optimization in terms of the number of physical works in the actual project，particularly optimizing the amount of reinforcement used per linear meter，ranging from 62. 60 kg to 159. 12 kg.（3）The quantity of physical works for prefabricated construction and cast-in-situ construction in bridge deck systems remains consistent. However，the economic indicator per linear meter in the prefabricated construction method is approximately 80％ of that in the cast-in-situ construction method. The installation of prefabricated blocks significantly influences the cost composition of the prefabricated construction method，with the sub-items，i. e. installation of bolts and sealing，having a substantial impact on the economic indicators per linear meter of the prefabricated block installation works，accounting for 78％ of the cost proportion of the prefabricated block installation works.

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备注/Memo

备注/Memo:
收稿日期：2022-09-16
作者简介：刘昕（1975-），男，高级工程师。
更新日期/Last Update: 2023-08-30