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首页> 美国卫生研究院文献>Materials >Study of the Incorporation of Ladle Furnace Slag in the Manufacture of Cold In-Place Recycling with Bitumen Emulsion
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Study of the Incorporation of Ladle Furnace Slag in the Manufacture of Cold In-Place Recycling with Bitumen Emulsion

机译：用沥青乳液制备钢包炉渣掺入的研究

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Cold in-place recycling with bitumen emulsion is a good environmental option for road conservation. The technique produces lower CO2 emissions because the product is manufactured and spread in the same location as the previous infrastructure, and its mixing with bitumen emulsion occurs at room temperature. Adding materials with cementitious characteristics gives the final mixture greater resistance and durability, and incorporating an industrial by-product such as ladle furnace slag (of which cementitious characteristics have been corroborated by various authors) enables the creation of sustainable, resistant pavement. This paper describes the incorporation of ladle furnace slag in reclaimed asphalt pavements (RAP) to execute in-place asphalt pavement recycling with bitumen emulsion. Various test groups of samples with increasing percentages of emulsion were created to study both the density of the mixtures obtained, and their dry and post-immersion compressive strength. To determine these characteristics, the physical and chemical properties of the ladle furnace slag and the reclaimed asphalt pavements were analyzed, as well as compatibility with the bitumen emulsion. The aforementioned tests define an optimal combination of RAP (90%), ladle furnace slag (10%), water (2.6%), and emulsion (3.3%), which demonstrated maximum values for compressive strength of the dry and post-immersion bituminous mixture. These tests therefore demonstrate the suitability of ladle furnace slag for cold in-place recycling with bitumen emulsion.
机译：用沥青乳液的冷却水土回收是道路保护的良好环境选择。该技术产生较低的二氧化碳排放，因为产品是在与以前的基础设施相同的位置中制造并扩散，其与沥青乳液的混合在室温下发生。添加具有胶凝特性的材料使最终的耐受性和耐用性，并纳入工业副产品，如钢包炉渣（其中各种作者已经证实了水泥特性），使得能够产生可持续的抗性路面。本文介绍了回收沥青路面（RAP）中的钢包炉炉渣的融合，以在沥青乳液中再次进行沥青路面回收。产生具有增加乳液百分比的样品的各种试验组，以研究获得的混合物的密度及其干燥和浸渍后抗压强度。为了确定这些特征，分析了钢包炉炉渣和再生沥青路面的物理和化学性质，以及与沥青乳液的相容性。上述测试定义了RAP（90％），钢包炉渣（10％），水（2.6％）和乳液（3.3％）的最佳组合，其展示了干燥和浸入后沥青的抗压强度的最大值混合物。因此，这些测试表明了用沥青乳液冷却地回收钢包炉炉渣的适用性。

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