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Asphalt concrete pavement with concrete subbase with the enriched quarry limestone waste as a coarse aggregate
Asphalt concrete pavement with concrete subbase with the enriched quarry limestone waste as a coarse aggregate
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机译:沥青混凝土路面,混凝土基础层,以丰富的采石场石灰石废料为粗骨料
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摘要
Asphalt concrete pavement consisting of an asphalt surface course, concrete subbase of specified compressive strength fc′ and modulus of rupture up to 5,000 and 750 psi, respectively, with small grains crushed limestone finer than 9.5 mm as a coarse aggregate, and a layer of granular material between the surface course and concrete subbase is considered as a semi-rigid pavement. Rigidity of this composite structure is provided by the concrete subbase whereas its flexibility is provided by the asphalt surface course resting on the layer of granular material.
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机译:沥青混凝土路面,由沥青面层,指定抗压强度f c' Sub>和断裂模量分别高达5,000和750 psi的混凝土基底组成,细颗粒的石灰石细度小于9.5 mm。粗骨料,在表面层和混凝土基层之间的一层粒状材料被认为是半刚性路面。这种复合结构的刚度由混凝土基底提供,而其柔性则由位于颗粒材料层上的沥青表面层提供。
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