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Warmly-mixed TOR (trans-polyoctenamer rubber reactive modifier) rubber asphalt mixture and preparation method thereof

A rubber asphalt and mixture technology, which is applied in the field of warm-mix TOR rubber asphalt mixture and its preparation, can solve the problem of no relevant reports on warm-mix TOR rubber asphalt mixture, and achieve the goals of reducing energy consumption, simplifying production procedures, and reducing emissions Effect

Active Publication Date: 2013-11-20
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There is no relevant report on warm mix TOR rubber asphalt mixture

Method used

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  • Warmly-mixed TOR (trans-polyoctenamer rubber reactive modifier) rubber asphalt mixture and preparation method thereof
  • Warmly-mixed TOR (trans-polyoctenamer rubber reactive modifier) rubber asphalt mixture and preparation method thereof
  • Warmly-mixed TOR (trans-polyoctenamer rubber reactive modifier) rubber asphalt mixture and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like Figure 4 As shown, the preparation method of the warm-mix TOR rubber-asphalt mixture comprises the following steps:

[0028] (1) Preparation of TOR rubber asphalt: TOR, rubber powder and asphalt are proportioned by weight, rubber powder: asphalt = 18:100, TOR: rubber powder = 4.5:100, put the asphalt in a mixer and heat it to 140 ° C and then add TOR and rubber powder, the mixer continues to heat to 167 ° C and continue to stir for 60 minutes, and then stand at 170 ° C to swell for 60 minutes to obtain TOR rubber asphalt; the asphalt is 70# road petroleum asphalt;

[0029] (2) Aggregate pretreatment: the aggregate and the TOR rubber asphalt obtained in step (1) are proportioned by weight, aggregate: TOR rubber asphalt=6:88, and the aggregate is heated in a 175°C oven for 6.5 hours Then add it to the mixing pot at 160°C;

[0030] (3) Add TOR rubber asphalt and warm mix agent: add the TOR rubber asphalt obtained in step (1) into the mixing pot, and at the same tim...

Embodiment 2

[0034] like Figure 4 As shown, the preparation method of the warm-mix TOR rubber-asphalt mixture comprises the following steps:

[0035] (1) Preparation of TOR rubber asphalt: TOR, rubber powder and asphalt are proportioned by weight, rubber powder: asphalt = 18:100, TOR: rubber powder = 4.5:100, put the asphalt in a mixer and heat it to 140 ° C and then add TOR and rubber powder, the mixer continues to heat to 173 ° C and continue to stir for 60 minutes, and then stand at 170 ° C to swell for 60 minutes to obtain TOR rubber asphalt; the asphalt is 70# road petroleum asphalt;

[0036] (2) Aggregate pretreatment: the aggregate and the TOR rubber asphalt obtained in step (1) are proportioned by weight, aggregate: TOR rubber asphalt=6:88, and the aggregate is heated in an oven at 175°C for 7 hours Then add it to the mixing pot at 160°C;

[0037] (3) Add TOR rubber asphalt and warm mix agent: add the TOR rubber asphalt obtained in step (1) into the mixing pot, and at the same t...

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Abstract

The invention provides a warmly-mixed TOR (trans-polyoctenamer rubber reactive modifier) rubber asphalt mixture and a preparation method thereof. The warmly-mixed rubber asphalt mixture comprises TOR rubber asphalt prepared in situ. The TOR rubber asphalt comprises a TOR, rubber powder, asphalt, aggregates, mineral powder and a warm mixing agent, wherein the weight ratio of the rubber powder to the asphalt is 18:100, the weight ratio of the TOR to the rubber powder is 4.5:100, the weight ratio of the TOR rubber asphalt to the sum of the aggregates and the mineral powder is 6:100, the weight ratio of the aggregates to the mineral powder is 88:12, and the weight ratio of the warm mixing agent to the asphalt is 3:100. The invention further provides the preparation method for the warmly-mixed TOR rubber asphalt mixture. The preparation method comprises the following process steps of: preparing the TOR rubber asphalt, preprocessing the aggregates, adding the TOR rubber asphalt, the warm mixing agent and the mineral powder, and molding, so as to prepare the warmly-mixed TOR rubber asphalt mixture. According to the preparation method, the advantages of the TOR rubber asphalt mixture and a warm mixing technique are combined, so that the TOR rubber asphalt mixture has the advantages that the construction conditions can be improved, and the resource conservation, the energy conservation and the environment protection can be realized.

Description

technical field [0001] The invention relates to an asphalt and a preparation method thereof, in particular to a warm-mix TOR rubber-asphalt mixture and a preparation method thereof. Background technique [0002] The application of rubber powder modified asphalt mixture, namely rubber asphalt mixture, not only improves the durability and fatigue life of asphalt mixture, improves the high temperature permanent deformation resistance and low temperature cracking resistance of the mixture, but also improves the color and marking line of the road surface. Contrast, reducing the rolling noise of the wheels, thus improving the safety and comfort of driving; at the same time, the rubber powder used in the rubber-asphalt mixture comes from waste tires, which promotes the comprehensive utilization of waste tires and reduces the "black pollution". Huge environmental pressure, saving resources. [0003] At present, the technology of applying waste rubber powder to asphalt pavement is m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/26
CPCY02A30/30
Inventor 康爱红肖鹏吴正光高翔姚明部
Owner YANGZHOU UNIV
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