rigid pavement

Because of heavy traffic and many other reasons, the early damage of semi-rigid pavement structure is seriously destroyed. Moreover, the early constructed freeway is going into the overhaul period one after another.

由于重载交通等诸多方面的原因，我国半刚性路面结构早期损坏严重，且早期修建的高速公路陆续进入大修期，高速公路大修任务繁重。

Several problems of asphalt pavement on design and construction in our province including the design, construction of tack coat and seal coat, gradation control, optimal bitumen ratio determination as well as the strength criteria of semi-rigid base course are discussed in this article.

结合我省高速公路沥青路面的设计与施工，对黏层、封层的设计与施工、施工生产级配控制、最佳油石比确定以及半刚性基层强度设计指标等问题进行了探讨。

Furthermore, the numerical analysis of the effect of some factor, such as vehicle axle weight, moving velocity, pavement thickness, and subgrade stiffness on the dynamic deformation and the dynamic strain in rigid pavement slab through changing the computation parameter.

采用数值分析方法研究了车辆轴重、行车速度、路面厚度、路基刚度等因素对刚性路面板动挠度和动应变的影响。

Calculation method of the equivalent modulus of elasticity of foundation based on the principles of displacement equivalence can't factually reflect the influence of semi-rigid base on the thermal stresses in cement concrete pavement.

在水泥混凝土路面温度应力计算中采用的基顶当量回弹模量，是基于基顶弯沉等效为原则换算得到的，这种换算原则并不能真实反映基层对路面板温度应力的影响规律。

Factors causing corrugation like fish scales in the semi-rigid type base course of bitumen pavement and the way to deal with a situation

半刚性基层沥青路面鱼鳞状搓板成因及处置对策

Approach to strengthening old pavement structure that paves high void asphalt macadam with top-size aggregate 37.5 cm on existed pavement instead of semi-rigid base, can prevent base reflection cracking and drain water from base layer.

将空隙率较高的最大粒径为37.5cm的大粒径沥青碎石混合料铺筑在老沥青路面上代替半刚性基层，解决半刚性基层补强中反射裂缝及排水问题。

Application and Research of Installing Dowel Bar in the Rigid Pavement Contraction Joint

刚性路面缩缝增设传力杆的应用研究

Selecting representative structure of semi-rigid type base asphalt pavement, this paper finds that representative structure only fits for the state of unseriousness traffic through analyzing the stress of semi-rigid type base under different load.

选取半刚性基层沥青路面典型结构，对不同轴载下半刚性层底拉应力的分析发现，典型结构仅适合于超载不严重的交通状态。

Study on Self-Adaptive Neural Network Identifying of Void on Rigid Pavement Based on Frequency Drawdown Ratio

基于频率下降率的刚性路面脱空自适应神经网络识别研究

Because semi-rigid base possesses good compression property but its tensile performance is inferior, crack strain of semi-rigid base under fatigue load has important control function to the durability of rigid pavement structure.

由于半刚性基层具有良好的抗压性能而抗拉性能较差，疲劳荷载作用下半刚性基层的弯拉开裂对半刚性路面结构的耐久性具有重要的控制作用。

measurement and analysis of dynamic strain at the bottom of rigid pavement slab subjected to moving vehicle loads

移动车载下刚性路面板底动应变的分析与测量

Finally , It'suggests design index of semi-rigid pavement with unbound aggregate upper base.

通过室内外试验的对比分析, 最终提出对我国级配碎石基层设计参数选取的建议.

Bridge-board is used in pavement disposal, which makes large settlement generated by flexible embankment transit to rigid bridge board, and reduce the jumping phenomenon when vehicles running across.

路面处理设置桥台搭板，这样可以使在柔性路堤上产生的较大沉降逐渐过渡至刚性桥台上，使车辆通过时的跳跃现象大为减少。

Technical Performance Study of Semi-Rigid Pavement Course Mixed with Fly Ash

掺粉煤灰半刚性路面基层的技术性能研究