Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).

油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。

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In this paper, based on systematic test on different bitumen mixtures of gradation, the deformation behaviour of asphalt mixtures is analyzed under high temperature.

本文通过对不同级配形式的沥青混合料的系统试验研究，全面分析了沥青混合料高温变形特性。

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The foam bitumen and asphalt recycling scrap basic principles and practices of major applications, as well as features in the application process are introduced.

介绍泡沫沥青和废旧沥青再生的基本原理和主要应用做法，以及在应用过程中的特点。

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Bitumen is actually a form of asphalt.

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That is because rubber can partially replace bitumen, the binding agent used to hold the crushed stones together in ordinary asphalt.

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Pores between the stones in standard asphalt must be small, because if the gaps are too big the bitumen binding cannot do its job properly.

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