Asphalt mixture grading design method based on grading interlocking and voids in mineral aggregate

Abstract

The invention discloses an asphalt mixture grading design method based on grading interlocking and voids in mineral aggregate. The method comprises the steps of 1, collecting local existing mixture design grading data, and solving parameters in a prediction model for voids in mineral aggregate according to interlocking theoretical planning; 2, detecting aggregate physics of each level, wherein bulk density, dry density and grading are included; 3, according to the standard requirement, performing primary grading, or performing selection by referring to past experience; 4, according to the prediction model for voids in mineral aggregate, working out the voids in mineral aggregate of primary grading; 5, comparing whether the voids in mineral aggregate meet the standard requirement or not; 6,according to the water absorption rate and the oil absorption rate of the aggregate, calculating the asphalt amount. By considering filling and interlocking characteristics of the aggregate as a starting point, the theoretical basis is built through discrete element numerical simulation, the specific engineering project is optimized by applying a big data numerical analysis method, and the reasonable grading with the structural strength and stability is obtained.

Description

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AI Technical Summary

Benefits of technology

This new technology uses an algorithm that predicts how strong things are made by adding small pieces called aggregates or other materials during manufacturing processes. By analyzing these simulations with large amounts of data collected over time, we can make better predictions about which parts will be stronger at certain times based on their properties such as fillings/extrusion capabilities. These results help us improve construction quality more efficiently while reducing costs compared to previous methods like trial-and-error techniques.

Problems solved by technology

In this patented technical problem addressed in this patents are how to efficiently create high quality roads with improved resistance against damage from stones or rocks during traffic congestion caused due to heavy usage conditions without sacrificing their durability for longer periods.

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