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Method for determining composition ratio range of rubber particle asphaltum mixture

A technology of asphalt mixture and rubber granules, which is applied to building insulation materials, building components, instruments, etc., can solve the problem that the gradation composition range of asphalt mixture cannot meet the requirements of the ratio range of rubber granule asphalt mixture components

Inactive Publication Date: 2008-04-16
HARBIN INST OF TECH
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing asphalt mixture gradation composition range cannot meet the requirements of the mixing ratio range of the rubber particle asphalt mixture composition material, and proposes a method for determining the composition ratio range of the rubber particle asphalt mixture composition material

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  • Method for determining composition ratio range of rubber particle asphaltum mixture

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specific Embodiment approach 1

[0006] Specific implementation mode one: the method for determining the mixing ratio range of the rubber particle asphalt mixture in this embodiment is realized through the following steps: 1. When the quality of the rubber particle asphalt mixture is certain, three factors are set, that is, according to the pre-test , set the amount of rubber particles as 1% to 7% of the mass of the mixture, and set the amount of rubber particles as X 1 (mass%), the amount of coarse stone is set at 20% to 80% of the mass of the mixture, and the amount of coarse stone is set to X 2 (mass %), the coarse rubber particle dosage of 2.36~5mm is determined as 20%~80% of the rubber particle quality, and the coarse rubber particle dosage is set as X 3 (mass %); Two, fully mix asphalt, be the rubber granule of 4% of mixture quality, be the coarse stone material of 50% of mixture quality and be the coarse rubber granule of 50% of rubber granule quality, obtain rubber granule under different acting force...

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Abstract

The present invention relates to a method for determining the proportioning range of components of rubberized bitumen composites, which can be realized in the following steps: 1. determining there factors and the numeric areas; 2. determining the control objectives; 3. calculating the overall rating value of the objectives and drawing response surface figure; and 4. analyzing the response surface figure to obtain the optimal value of the proportioning range of components of rubberized bitumen composites, wherein the composites comprises 2 percent-6 percent by mass of the admixture of rubber granules and 60 percent -75 percent by mass of coarse stone material, wherein the coarse rubber granules is 30 percent-60 percent based on the mass of rubber granules. The sliding resistance, the noise reducing performance, the set resistance at high-temperature, the crack resistance at low temperature, the water damage resistance and the fatigue resistance of road surface paved by the composites according to the proportioning range of the invention is raised substantially.

Description

technical field [0001] The invention relates to a method for determining the proportion range of asphalt mixture constituent materials. Background technique [0002] Rubber granule asphalt mixture is a composite material, which is composed of asphalt, aggregate (including mineral aggregate and rubber granules) and mineral powder. Under the condition of a certain quality of the constituent materials, due to the amount of asphalt, mineral aggregates, rubber particles and mineral powder, different composition structures can be formed and different properties can be shown; moreover, due to the basic properties of rubber particles and stone materials There is a big difference. With the incorporation of rubber particles, the internal composition structure and material contact state of the asphalt mixture are changed. The traditional asphalt mixture gradation composition range and design method are no longer applicable. It is necessary to mix according to the rubber particles. Bas...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/20G06F17/50C08L21/00C08L95/00
Inventor 谭忆秋周纯秀辛星侯明昊
Owner HARBIN INST OF TECH
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