rigid base

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。

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Finite Element Analysis of Temperature Stress in Half Rigid Base Asphalt Pavement with Geo-engineering Grid

铺设土工格栅的半刚性基层沥青路面温度应力有限元分析

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The composite foundation under an embankment is not same as that under rigid base in that an embankment provides enough space for pile stabbing into and embankment weight is a kind of flexible load so that their pile-soil stress ratios would be different.

加固软土路基的复合地基不同于刚性基础下设置垫层的复合地基，路堤为桩体的向上刺入提供了足够的空间，路堤荷载接近于柔性荷载，桩土应力比也将不同。

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The effect of semi-rigid base layer conditioning period, high penetration emulsified asphalt spread temperature and conditioning temperature to the penetration effect were also analyzed. Furthermore, the shear strength test between surface and base layers were utilized to obtain the optimal content of high penetration emulsified asphalt.

并分析了基层养生龄期、高渗透乳化沥青洒布温度、养生温度等因素对渗透效果的影响。其次，进行了基层与面层间抗剪强度试验，得到了高渗透乳化沥青最佳用量。

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Some facts relative to TMD cushioning effect on the rigid base and soft soil are discussed.

对刚性地基和柔性地基上影响TMD减震性能的一些因素进行了探讨。

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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。

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Study on settlement of composite foundation under rigid or flexible base slab

不同刚度基础下复合地基沉降变形性状研究

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The Importance of Water Stability and Erosion Resistibility for Road Semi-rigid Base

浅谈道路半刚性基层水稳定性和抗冲刷能力的重要性

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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。

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Laboratorial Analysis on Development of Elastic Deflection of Semi-rigid Base Course

路面半刚性基层回弹弯沉发展的试验分析

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As a kind of semi-rigid base material, lime flying-ash treated crushed stone aggregate mixture gets the extensive application in highway base course because of its good pavement performance.

二灰碎石混合料作为一种半刚性基层材料，以其优良的路用性能在路面基层中得到了广泛的应用。

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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。

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It is unreasonable to consider that concrete base is rigid. Because it has great rigidity, and direct contact with the CA mortar, and has the same coefficient fo linear expansion with the track board.

对于钢筋混凝土底座，由于其刚度大，且与CA砂浆直接接触，它与轨道板具有相同的线膨胀系数，如将其视为刚性是不合理的。

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