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泡沫沥青冷再生处理介绍

来源:https://www.sddhfjx.com/ 日期:2021-10-22
1、设计方面的建议:
1. Design recommendations:
1)、泡沫沥青再生结构层的功能范围:可利用旧路面的全部沥青层材料用作路面的上基层(或下面层)结构;也可利用旧路面的沥青层及原水稳基层混合再生形成新的柔性基层。
1), the functional range of the foamed asphalt regeneration structure layer: all the asphalt layer materials of the old pavement can be used as the upper (or below) structure of the road surface; The asphalt layer of the old pavement and the raw water stabilized base can also be mixed and regenerated to form a new flexible base.
2)、泡沫沥青再生结构层的上、下功能层的设置:一般泡沫沥青再生结构层作上基层结构的,再生层与水稳基层之间可采用透层;泡沫沥青再生结构层上应采用沥青封层的功能层设计。
2), the upper and lower functional layers of the foamed asphalt regeneration structure layer: the general foamed asphalt regeneration structure layer is used as the upper base structure, and the regeneration layer and the water stable base can be permeable. The functional layer of asphalt seal should be used in the regeneration layer of foamed asphalt.
3)、泡沫沥青结构层的厚度:泡沫沥青再生结构层具备相应结构的强度,根据工程实际使用情况,建议厂拌泡沫沥青冷再生设计厚度不小于10cm为宜。
3) the thickness of foam asphalt structural layer: the structure of foamed asphalt regeneration has the strength of the corresponding structure. According to the actual application of the project, it is suggested that the cold recycled design thickness of the plant foamed asphalt is not less than 10cm.
冷再生机出租
2、施工方面
2. Construction aspect
1)、沥青材料的控制:应采用配合比设计阶段取样选用及施工前取样检测的方法,确保沥青性能满足泡沫沥青的使用要求。
1) control of Bituminous Materials: the sampling method in the mix design stage and the sampling inspection before construction should be adopted to ensure that the performance of the asphalt meets the requirements of the foamed asphalt.
2)、新添材料的控制:为改善泡沫沥青的级配,提高结构层抵抗变形的性能,泡沫沥青混合料中一般应新添百分之10-百分之20碎石材料。如有两种及以上的新添材料,应采用连续式计量设备进行配料,以确保材料掺配的均匀性。
2) control of newly added materials: in order to improve the gradation of foamed asphalt and improve the performance of resisting deformation of the structural layer, 10- twenty percent gravel material should generally be added to the foamed asphalt mixture. If there are two or more new materials, continuous metering equipment shall be used for batching to ensure the uniformity of material mixing.
3)、混合料的离析现象:应从混合料出料到摊铺环节采取措施避免混合料的离析现象的产生。
3) Segregation of mixture: Measures shall be taken from discharge to paving to avoid segregation of mixture.
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