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A multi-factor and multi-level visual analysis method for configuring high-performance modified emulsified asphalt

An emulsified asphalt, high-performance technology, applied in the field of multi-factor and multi-level visual analysis, to achieve the effects of reduced research funding, high accuracy, and direct and reliable research results

Active Publication Date: 2016-05-11
中交二公局第四工程有限公司
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Problems solved by technology

[0003] Aiming at the defects existing in the existing asphalt mixture configuration method, the present invention provides a multi-factor and multi-level visual analysis method for configuring high-performance modified emulsified asphalt

Method used

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Embodiment Construction

[0011] The problem of high-performance modified emulsified asphalt mixture has many influencing factors as a composite system of multiple materials. The present invention investigates 6 influencing factors, including four kinds of stone materials in different ranges (respectively denoted as C 1 、C 2 、C 3 、C 4 ), mineral powder ratio and asphalt ratio; in order to improve the accuracy of the research, each factor adopts 10 levels; as a research on high-performance modified emulsified asphalt mixture, the number of mixing effect measurement indicators is also greater than 1, take three, They are mixture stability, flow value and impact resistance, which constitute the characteristics of multi-factor, multi-level and multi-objective research. In addition, these effects are generally considered to be nonlinear, and there are interactions among the factors. These factors and horizontal target parameters construct a complex system. The traditional orthogonal test design can no lon...

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Abstract

The invention discloses a multi-factor and multi-level visualized analysis method for preparation of high performance modified emulsified asphalt. The method comprises the steps of: 1. analyzing the influence of the particle sizes and gradation of four stone materials on the mixing stability, flow value and impact resistance of high performance modified emulsified asphalt; 2. analyzing the influence of mineral powder ratio on the mixing stability, flow value and impact resistance of high performance modified emulsified asphalt; 3. analyzing the influence of oil-stone ratio on the mixing stability, flow value and impact resistance of high performance modified emulsified asphalt; 4. analyzing the influence of mutual interaction of the four stone materials' particle sizes and gradation, the mineral powder ratio and the oil-stone ratio on the mixing stability, flow value and impact resistance of high performance modified emulsified asphalt; and 5. combining the above four steps to look for the optimal gradation, mineral powder ratio and oil-stone ratio. The method provided by the invention has the advantages of field pertinence, higher accuracy, better scientificity, short research period, declined research funding, and direct and reliable results.

Description

technical field [0001] The invention relates to a method for determining the ratio of asphalt mixture in the field of highway traffic, in particular to a multi-factor and multi-level visual analysis method for configuring high-performance modified emulsified asphalt. Background technique [0002] Since grading plays an important role in the performance of asphalt mixture, as early as 100 years ago, some scholars in the United States began to study some gradation theories and gradation design methods of mineral aggregates, which are widely used in the research of hot asphalt mixture. Two-stage method: the first stage is "gradation research": there are mainly two kinds of maximum compaction curve theory and particle interference theory. The maximum density curve is an ideal curve proposed through experiments. It is considered that the density of the mineral material is the largest when it is composed according to the maximum density curve. Particle interference theory believe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/26
Inventor 孙益民芮定文王举
Owner 中交二公局第四工程有限公司
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