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- The important degree of various factors is dissimilar for different additional stress of pavement structure. 对不同的路面结构层底附加应力,各因素影响显著性程度不一样。
- There are some differences in mix design method between ATB and Asphalt Concrete (AC), because their vertical positions and functions in pavement structure are different. 由于沥青稳定碎石材料所处的层位不同、结构功能的差异,沥青稳定碎石基层材料组成设计方法与沥青混凝土面层有所不同。
- Based on the FWD data, the system identification method figures out the dynamic parameters of a real pavement structure. 以FWD实测结果作为系统的标准响应,采用系统识别方法对实际的路面工程结构进行动态参数反演,取得了较为合理的结果。
- The result indicates that using FBG after strain modification to measure the internal stain of the pavement structure is feasible. 结果表明,采用应变修正后的光纤光栅应变传感器进行路面结构内部应变实测是可行的;
- In this paper,multilayer elastic system and summation method were employed to study the influence of pavement structure on subgrade settlement. 采用多层弹性层状体系理论及分层求和法分析了柔性路面不同结构组合对路基沉降量的影响。
- Bridge deck pavement is a important pavement structure of bridge"s appurtenant works, and the shorting using life is always a difficulty which puzzles bridge workers. 桥面铺装是桥梁附属设施中一种重要的构件,其使用寿命短一直是困扰桥梁养管部门的一个难点。
- The paper presents an introduction to a calculation method that is used to calculate the pavement structure of small interlocking blocks with the finite element method. 文章介绍了一种使用有限单元法计算小型联锁块铺装结构的计算模式,并对该方法进行了试验论证。
- Flexibility is the ability of an asphalt concrete to conform, without fracturing, to minor, long-term settlement of the base or subgrade layers beneath it in a pavement structure. 柔性是对沥青混凝土应有的较次要的要求,不会发生断裂,能长期依附于路面结构的基层或路基层。
- Serious water damage is brought about by the free seeping water,the porous concrete drainage road base can induce seeping water away from the pavement structure efficiently. 进入路面结构内的自由水会导致道路严重的水损害,多孔混凝土透水基层能迅速的将滞留在路面结构内部的水排出。
- Through immerse rutting tests on different pavement structure and material, the paper also contrasts and discusses its rutting formation and development. 本文还针对不同路面结构组合和材料进行浸水车辙试验,考察并对比了其车辙的形成和发展程度。
- Analysis is made on the causes that result in road frost boiling especially in soil texture, moisture, humidity, wheel load and pavement structure, and provided the preventions. 从土质、水分、温度、行车荷载、路面结构等几个方面对冻土地区道路翻浆的产生原因进行了分析并提出了防治措施。
- The concrete pavement with lean concrete base (LCB) is a suited kind of pavement structure for heavy and over-heavy traffic.Because of its excellence, it has good future. 贫混凝土基层混凝土路面是一种适用于承受重、超重交通的路面结构,由于其种种优点,具有很大的发展潜力。
- The influence of pavement structure parameters on additional stress in widened road is analyzed, and the sensitivity of structure parameters with orthogonal design is introduced. 分析了路面结构参数变化对拓宽道路的影响,并采用正交设计法进行了结构层参数变化的敏感性分析。
- In the basis of these,we try to summarize different strength theories,and sum up their methods and processes briefly,and importantly sum up their applications in asphalt pavement structure,and point out their limitation and development. 我们试图对不同强度理论进行概述,简要总结不同强度理论的方法和步骤,着重于不同强度理论在沥青路面结构中的应用情况,并指出不同强度理论缺陷及其发展历程。
- AASHTO.AASHTO Guide for Design of Pavement Structures[M].Washington DC:AASHTO,1993. 公路水泥混凝土路面设计规范[S].
- Pavement structural analysis and evaluation are the base andprecondition of pavement repaving and renewal. 路面结构分析与评价是进行路面加铺改建的基础和前提;
- Compaction and deflection,as two control criterion,are utilized in highway subgrade construction,which well guarantee construction quality and solid foundation of pavement structure layer. 在公路路基施工中,采用压实度和弯沉值"双控"标准,可使施工质量得到保证,为路面结构层提供坚实的基础。
- In the design of pavement structure, moduli of nonlinear materials have some differences between constant values computed by multi-layer elastic system theory and practical surveying values. 摘要在路面结构分析和设计中,非线性材料层通常采用定值回弹模量,采用这一方法计算出的理论值与实测值之间存在较大差异。
- The hot pavement sent up shimmers. 晒热的道路浮起热气晃动的景象。
- Perpetual pavement structure design uses tensile strain index and vertical compressive strain index to control the structure fatigue life, and uses shear index to ensure that surface distr. 长寿命沥青混凝土路面结构设计采用沥青混凝土层底弯拉应变和基顶压应变指标控制结构疲劳寿命,采用抗剪指标以控制表面损坏过早发生。