Vehicle Load Composition and Plane Layout of Asphalt Pavement System of Concrete Curved and Ramp Bridge

doi:10.3969/j.issn.1674-0696.2017.03.03

Journal of Chongqing Jiaotong University(Natural Science) ›› 2017, Vol. 36 ›› Issue (3): 13-21.DOI: 10.3969/j.issn.1674-0696.2017.03.03

• Bridge & Tunnel Engineering • Previous Articles Next Articles

Vehicle Load Composition and Plane Layout of Asphalt Pavement System of Concrete Curved and Ramp Bridge

LI Zhidong, SHI Guijun

(1.CCCC First Highway Consultants Co.，Ltd.，Xi’an 710075，Shaanxi，P.R.China; 2.State Key Laboratory of Road Engineering Safety and Health in Cold and High-Altitude Regions, Xi’an 710075，Shaanxi，P.R.China)

Received:2015-10-21 Revised:2016-11-10 Online:2017-03-20 Published:2017-03-24

混凝土弯坡桥沥青铺装系汽车荷载组成及平面布置研究

李志栋，史贵军

(1.中交第一公路勘察设计研究院有限公司，陕西西安 710075；

作者简介:李志栋(1973—)，男，内蒙古和林格尔人，高级工程师，博士，主要从事道路、桥梁、隧道养护方面的研究。E-mail：gy.lizhidong@163.com。

Abstract

Abstract: Through the investigation of 6 regions，52 sections and 4 large cargo stations in China，the spectrum of various types of traffic and different vehicle axle loads were obtained，and the vehicle load characteristics in the current concrete bridge deck pavement system design were analyzed.Firstly，the current “car-axis-wheel-tire group” and axle load distribution of mainstream heavy truck in domestic were obtained； secondly，combined with the train curve driving footprint analysis，the car and train load model was proposed，which was easy to determinate the most unfavorable load position for numerical analysis of curved and ramp bridge； finally，the plane layout of the load model was set.

Key words: bridge engineering, concrete curved and ramp bridge, asphalt pavement system, train car load model, load plane layout

摘要： 通过对国内6个区域、52个路段、4个大型货站调查得到各类交通组成频谱及不同车型轴载谱，分析了目前混凝土桥面铺装系设计汽车列车荷载的特性。得到了目前国内主流重卡的“车-轴-轮-胎组”及轴载分布；结合汽车列车弯道行驶印痕分析，提出了适合于数值分析时最不利荷位确定的弯坡桥汽车列车荷载模型；建立了荷载模型的平面布置。

关键词: 桥梁工程, 混凝土弯坡桥, 沥青铺装系, 汽车列车荷载模型, 荷载平面布置

CLC Number:

U446

LI Zhidong, SHI Guijun. Vehicle Load Composition and Plane Layout of Asphalt Pavement System of Concrete Curved and Ramp Bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2017, 36(3): 13-21.

李志栋，史贵军. 混凝土弯坡桥沥青铺装系汽车荷载组成及平面布置研究[J]. 重庆交通大学学报（自然科学版）, 2017, 36(3): 13-21.

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Vehicle Load Composition and Plane Layout of Asphalt Pavement System of Concrete Curved and Ramp Bridge

混凝土弯坡桥沥青铺装系汽车荷载组成及平面布置研究

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