1.According to the problem of high level asphalt pavement anti-slide perforemence, based on the analysis of the reason to pavement anti-slide and several years engineering experience, the SAC, OGFC, SMA, BBDr and BMA pavement form to the engineering were presented combined practice to improve pavement anti-slide performance.
针对目前高等级路面的抗滑问题,通过对影响路面抗滑性能因素的分析和多年施工经验的积累,结合工程实践提出了采用多碎石沥青混凝土(SAC)、开级配沥青磨耗层(OGFC)、沥青玛蹄脂碎石混合料面层(SMA)、法国透水性沥青路面(BBDr)和天然沥青路面(BMA)等路面类型来提高路面的抗滑能力。
2.In order to ensure to process regularly the daily maintenance management, this paper is based on the theory and method of database design and the theory of pavement management system, combining the application environment and operation flow of the expressway maintenance system, bringing forward the four stages of the expressway maintenance system design which are the requirement analysis of consumers, conception framework design, logic framework design and physical framework design, scheming out an optimum database mode applied to all kinds of expressway maintenance systems, and establishing a common database application system, so that the expressway maintenance system can evaluate the pavement performance, forecast the pavement performance and make decisions of the pavement maintenance.
为了保证高速公路日常养护管理正常有序的进行,本文根据数据库的设计原理、方法及路面管理系统原理,结合高速公路养护管理系统的实际应用环境和操作业务流程,提出了高速公路养护管理系统数据库设计的4个阶段——用户实际需求分析、概念结构设计、逻辑结构设计和物理结构设计,设计出适用于各种高速公路养护管理系统最优的数据库模式,并建立了通用的数据库应用系统,使得养护管理系统能够进行路面性能评价、性能预测和养护维修决策.
3.Therefore practical and versatile analysis access is established for the Falling Weight Deflectometer (FWD) on evaluation of capacity of pavement (subgrade,rigid pavement,flexible pavement and composed pavement) and foundation of structures.
从而为进一步深入研究落锤式弯沉仪 (FWD)在各种路基、路面 (刚性路面 ,柔性路面和复合式路面 )以及建筑物地基的结构承载能力评价提供基础 .
4.According to the spirit of the bituminous pavement technology seminar which convenes by the Ministry of Communicationson july 2005 in Nanjing,and combiningthe unique physical geography condition of north Zhejiang province,we have been caught on the detailed technical and economic appraisal comparison to seven stratification planes of the asphalt concrete pavement structure,recommending the best bituminous pavement structural design plan from 12 kinds of possible pavement structure design proposals suits Shenjiahu highway Jiaxing section characteristic.
按照2005年7月交通部在南京召开的沥青路面技术研讨会精神,结合浙江北部地区特有的自然地理条件,对沥青混凝土路面结构的7个层面进行详细的技术经济论证,从12种可能的路面结构设计方案中推荐适合申嘉湖高速公路嘉兴段特点的最佳沥青路面结构设计方案。
5.By analysis of heat effect of asphalt pavement,horizontal heat exchange and water under asphalt pavement,the main factors which influence on thermal state of active layer under asphalt pavement are given.
通过沥青路面下水热效应和水平热交换的分析 ,给出了影响沥青路面下活动层热状态的主要影响因素
6.Abstract: In this paper,dynamic loads caused by driving on und ulate pavement are analyzed and a theoretical relation between dynamic loads of automobile and undulate pavement is developed.At given automobile mechanism para meter、moving velocity and undulate pavement parameter dynamic loads of automobi le are analyzed through an example.
文摘:笔者理论分析了汽车行驶在波浪形路面上时汽车对路面的动荷载作用，推导了汽车动荷载与路面波形的理论计算公式，实例计算了在给定汽车结构参数、行驶速度、波形路面的波长、振幅时的汽车动荷载.
7.This paper introduces some models of pavement operational performance(including pavement structural remaining life,pavement condition index PCI,skid resistance index and international roughness index IRI)in term of application of APMS.
根据国内外常用的机场道面性能模型研究状况和道面管理系统的特点,介绍了道面结构剩余使用寿命、道面状况指数PCI、道面防滑性系数μ和道面国际平整度指数IRI常用的衰变模型。
8.The causation of main defects is analyzed from the view of design and improvements are suggested from the structural design, such as the test and determination of basic data of pavement design, rational selection of raw materials, adopting appropriate aggregate sizes, improving blend design method, rational selecting the thickness of asphalt layer and reinforcing the binding between the asphalt pavement layer and the base layer to further improve the operational function of the asphalt pavement and reduce the occurrence of traffic accidents.
通过对高速公路沥青路面的主要病害成因从设计角度进行分析，提出应从完善路面设计基础数据的测试与确定方法、合理选择原材料、采用合适的矿料级配、完善配合比设计方法、合理选择沥青面层厚度、加强沥青面层层间及与基层的粘结等途径完善沥青路面结构设计，以进一步提高沥青路面的使用功能，减少道路交通安全事故的发生。
9.Factors affecting abrasion resistance of cement concrete pavement were tested and investigated with GB/T 16925—1997 “Test Method for Abrasion Resistance of Concrete and Its Products”. The mix of abrasion resistant concrete used for pavement was proposed. Through engineering practices, the quality of engineerings were improved by controlling both strength and abrasion index of concrete pavement.
采用GB／T16925—1997《混凝土及其制品耐磨性试验方法》，对影响路面用水泥混凝土耐磨性的几个因素进行试验和研究，提出了施工中路面混凝土配合比的确定方法．在实际工程中对混凝土路面的强度和耐磨度两项指标同时进行监控，提高了工程质量，且获得较好的经济和社会效益．
10.Based on the fact that the deck-pavement works with cracks during its work-life, the fracture-mechanics theory can be applied to study the fatigue-life of the steel bridge deck pavement. In this thesis, the surface crack of the orthotropic steel bridge deck pavement was the research object.
本文在回顾钢桥面铺装研究的基础上,结合多个大跨径钢桥面铺装工程研究课题,指出基于唯像学疲劳方程的钢桥面铺装层设计方法存在的局限性,从钢桥面铺装层在使用期间带裂缝工作的实际出发,采用断裂力学理论研究钢桥面铺装层的疲劳寿命。
