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Recycled RAP concrete mix proportion design method based on stacking compaction method
The invention discloses a recycled RAP concrete mix proportion design method based on a stacking compaction method, ad relates to the technical field of concrete production. A grading optimization theory is provided based on a compressible stacking compactness calculation model, aiming at the characteristics of an old asphalt pavement material, an aggregate grading belt capable of preparing optimal concrete is constructed, a gradation optimization determination method for finding the maximum stacking compactness of concrete on a gradation zone meeting the working performance of the concrete is provided, in addition, a volume concrete model and a volume balance equation are further constructed for determining the dosage of each component, and a recycled concrete mix proportion design process is further provided. The mix proportion design method is provided for the recycled cement concrete of the old asphalt pavement material, the surface form of the old asphalt pavement material is considered, the grading of the concrete is optimized, and in addition, the excellent working performance of the concrete can also be ensured.
本发明公开了一种基于堆积压实法的再生RAP混凝土配合比设计方法，涉及混凝土生产技术领域，该方法基于可压缩堆积密实度计算模型提出级配优化理论，针对旧沥青路面材料的特性，通过构建可配制最佳混凝土的集料级配带，提出了在满足混凝土工作性能的级配带上寻找混凝土最大堆积密实度的级配优化确定方法，另外还构建了体积混凝土模型和体积平衡方程用于确定各组分用量，还给出了再生混凝土配合比设计流程。本发明为旧沥青路面材料再生水泥混凝土提供了配合比设计方法，不仅考虑了旧沥青路面材料的表面形态，而且优化了混凝土的级配，另外还能保证混凝土的工作性能优良。
Recycled RAP concrete mix proportion design method based on stacking compaction method
The invention discloses a recycled RAP concrete mix proportion design method based on a stacking compaction method, ad relates to the technical field of concrete production. A grading optimization theory is provided based on a compressible stacking compactness calculation model, aiming at the characteristics of an old asphalt pavement material, an aggregate grading belt capable of preparing optimal concrete is constructed, a gradation optimization determination method for finding the maximum stacking compactness of concrete on a gradation zone meeting the working performance of the concrete is provided, in addition, a volume concrete model and a volume balance equation are further constructed for determining the dosage of each component, and a recycled concrete mix proportion design process is further provided. The mix proportion design method is provided for the recycled cement concrete of the old asphalt pavement material, the surface form of the old asphalt pavement material is considered, the grading of the concrete is optimized, and in addition, the excellent working performance of the concrete can also be ensured.
本发明公开了一种基于堆积压实法的再生RAP混凝土配合比设计方法，涉及混凝土生产技术领域，该方法基于可压缩堆积密实度计算模型提出级配优化理论，针对旧沥青路面材料的特性，通过构建可配制最佳混凝土的集料级配带，提出了在满足混凝土工作性能的级配带上寻找混凝土最大堆积密实度的级配优化确定方法，另外还构建了体积混凝土模型和体积平衡方程用于确定各组分用量，还给出了再生混凝土配合比设计流程。本发明为旧沥青路面材料再生水泥混凝土提供了配合比设计方法，不仅考虑了旧沥青路面材料的表面形态，而且优化了混凝土的级配，另外还能保证混凝土的工作性能优良。
Recycled RAP concrete mix proportion design method based on stacking compaction method
一种基于堆积压实法的再生RAP混凝土配合比设计方法
SHI NING (author) / SU HUAN (author) / XIAO HONGYU (author) / GUO HONG (author) / LIU FUMING (author)
2021-04-16
Patent
Electronic Resource
Chinese
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