|本期目录/Table of Contents|

[1]陈宝春,王晨辉,薛俊青,等.中国无伸缩缝桥梁调查与分析[J].建筑科学与工程学报,2022,39(05):13-21.[doi:10.19815/j.jace.2022.05064]
　CHEN Bao-chun,WANG Chen-hui,XUE Jun-qing,et al.Investigation and Analysis of Jointless Bridges in China[J].Journal of Architecture and Civil Engineering,2022,39(05):13-21.[doi:10.19815/j.jace.2022.05064]
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中国无伸缩缝桥梁调查与分析(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
39卷
期数:
2022年05期
页码:
13-21
栏目:
综述
出版日期:
2022-09-30

文章信息/Info

Title:
Investigation and Analysis of Jointless Bridges in China
文章编号:
1673-2049(2022)05-0013-09
作者:
陈宝春,王晨辉,薛俊青,黄福云
(福州大学 土木工程学院,福建 福州 350108)
Author(s):
CHEN Bao-chun, WANG Chen-hui, XUE Jun-qing, HUANG Fu-yun
(College of Civil Engineering, Fuzhou University, Fuzhou 350108, Fujian, China)
关键词:
桥梁工程;  无缝桥;  统计分析;  现状;  发展方向
Keywords:
bridge engineering;  jointless bridge;  statistical analysis;  state of art;  development direction
分类号:
U442.5
DOI:
10.19815/j.jace.2022.05064
文献标志码:
A
摘要:
无伸缩缝桥梁(无缝桥)取消了伸缩装置(伸缩缝),从根本上免除了伸缩装置带来的病害与维修更换问题,具有良好经济和社会效应。针对中国无缝桥的建设趋势、应用类型、区域分布、桥长、上部与下部结构、引板等情况开展调查与分析。结果表明:截至2022年5月,中国已建成无缝桥70座; 无缝桥在经济发达国家应用广泛,但在中国还处于起步阶段; 中国无缝桥修建数量不断增加,2010年开始增速加快,整体桥的应用比例上升; 无缝桥应用省份不断扩大,新增在严寒地区的应用; 无缝桥以中小跨径桥梁为主,总长不长,在多跨桥中应用较多; 上部结构以混凝土空心板为主; 下部结构中,柱式埋置式桥台在各种无缝桥中均有较多的应用,且整体桥较多采用薄壁轻型桥台,半整体桥和延伸桥面板桥较多采用重力式桥台,桥墩以混凝土桩柱式为主,引板主要采用面板式引板; 今后应增加无缝桥的应用数量和地区,加大整体桥的推广力度和无缝化改造的研究与应用,扩大无缝桥的跨径、桥长、曲率半径、斜交角的应用范围,推动中国无缝桥技术的进步。
Abstract:
The jointless bridge cancels the expansion device(expansion joint), fundamentally eliminates the diseases and maintenance replacement problems caused by the expansion device, and has good economic and social effects. Investigation and analysis were carried out on the construction trend, application type, regional distribution, bridge length, upper and lower structures, and approach slab of jointless bridges in China. The results show that China has built 70 jointless bridges by the end of March 2022. Jointless bridge is widely used in developed countries, but it is still in the start stage in China. The number of jointless bridge in China is increasing, the growth rate has accelerated since 2010, and the application proportion of the integral abutment bridge has increased. Jointless bridges have been built in more provinces, and new applications can be found in severe cold area. Existing jointless bridges are mainly small and medium span bridges with a short total length, and most of the jointless bridges are multi-span bridges. The superstructure is mainly concrete hollow slab. For the substructure, spill-through abutment with column stub is widely used in various jointless bridges. The thin-walled light type abutment is mainly used in integral abutment bridges. The gravity abutment is mainly used in semi-integral abutment bridges and deck-extension jointless bridges. The concrete pile-extension pier is mainly chosen as the piers. Grade flat approach slab is the most used type of approach slab. In the future, it is suggested to increase the number and application regions of jointless bridges, strengthen the promotion of integral abutment bridges and the research and application of jointless retrofitting, expand the application scope of the span, total length, curvature radius and skew angle of jointless bridges, and promote the development of jointless bridge technology in China.

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备注/Memo

备注/Memo:
收稿日期:2022-05-21
基金项目:国家自然科学基金项目(51508103,51578161); 陕西省交通科技项目(14-20K)
作者简介:陈宝春(1958-),男,福建罗源人,教授,博士研究生导师,工学博士,E-mail:baochunchen@fzu.edu.cn。
通信作者:薛俊青(1985-),男,福平潭人,副研究员,工学博士,E-mail:junqing.xue@fzu.edu.cn。
更新日期/Last Update: 2022-09-30