By an practical project of cold recycling of asphalt mixture as flexible base, the principle and approach of proportioning design of recycling material are introduced.
通过再生旧沥青混合料用做柔性基层的工程实例，介绍了冷拌再生沥青混合料配合比设计的原则、方法、步骤及最佳配合比的验证。
Non-cohere granular stone is widely used as a kind of material of road pavements, and it's also widely used in base or sub-base of flexible road surface in overseas by now.
无粘结粒料是一种应用广泛的路面材料，至今仍然广泛用于国外柔性路面的基层和底基层。
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