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Asphalt mixture and its preparation method and application of oil sand in the preparation of asphalt mixture

A technology for asphalt mixture and asphalt concrete, which is applied in the application field of asphalt mixture and preparation and preparation of asphalt mixture, can solve problems such as loose asphalt pavement, and achieve the effects of reducing looseness, increasing binding force and strength, and reducing transportation costs.

Inactive Publication Date: 2018-02-16
LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problems existing in the above-mentioned prior art, and provides an asphalt mixture, which solves the problem of loose asphalt pavement in the prior art

Method used

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  • Asphalt mixture and its preparation method and application of oil sand in the preparation of asphalt mixture
  • Asphalt mixture and its preparation method and application of oil sand in the preparation of asphalt mixture
  • Asphalt mixture and its preparation method and application of oil sand in the preparation of asphalt mixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Asphalt mixture is prepared from the following raw materials according to the ratio of parts by weight, petroleum asphalt: Inner Mongolia Zhalaite banner oil sand: crushed stone: mineral powder: SBS (styrene-butadiene-styrene block copolymer) :Other fillers=20:10:31:24:5:10.

[0023] The structural form of the asphalt mixture is asphalt mastic macadam mixture surface course (SMA).

[0024] The particle size of the oil sand after sieving is less than 4.75mm.

[0025] The particle size of the gravel is 7mm. The crushed stone complies with the relevant regulations of CJJ 1-2008 of "Code for Construction and Quality Acceptance of Urban Road Engineering".

[0026] The mineral powder is the mineral powder obtained by grinding hydrophobic stone materials such as strong basic rocks in limestone or lime slurry. It complies with the relevant provisions of CJJ 1-2008 "Code for Construction and Quality Acceptance of Urban Road Engineering".

[0027] The other fillers are obtain...

Embodiment 2

[0033] Asphalt mixture is prepared from the following raw materials according to the ratio of parts by weight. Petroleum asphalt: Inner Mongolia Zhalaite Banner oil sand: gravel: mineral powder: EPS (polystyrene): old clothes = 19: 11: 31: 24:5:10.

[0034] The structural form of the asphalt mixture is a multi-gravel asphalt concrete surface course (SAC);

[0035] The granularity of described gravel is 2mm;

[0036] The particle size of the old clothes filler is 1mm;

[0037] The filler, additive, crushed stone, oil sand and asphalt are stirred and mixed under the heating condition of 200°C to form a product for road paving, and the preparation method steps are the same as in Example 1.

[0038] Perform performance data collection, as shown in Table 2.

Embodiment 3

[0040] Asphalt mixture is prepared from the following raw materials according to the ratio of parts by weight. Petroleum asphalt: Xinjiang Karamay Fengcheng oil sand: crushed stone: mineral powder: styrene-butadiene-rubber (SBR): old plastic=18: 12:31:24:5:10.

[0041] The granularity of described gravel is 15mm;

[0042] The particle size of the old plastic filler is 4mm;

[0043] The product formed after stirring and mixing the fillers, additives, crushed stones, oil sands and asphalt under the heating condition of 180° C. is used for road paving, and the preparation method steps are the same as those in Example 1.

[0044] Perform performance data collection, as shown in Table 3.

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Abstract

The invention discloses an asphalt mixture, its preparation method and the application of oil sand in the preparation of asphalt mixture. Compared with the preparation, the present invention uses oil sand as the filler (fine aggregate) of the asphalt mixture for the first time in the traditional asphalt mixture process. Using organic lipophilic components such as heavy oil and asphaltene in oil sand components, through the principle of similar miscibility, the binding force between asphalt and sand aggregates is increased, and the traditional asphalt pavement under the condition of large temperature difference is effectively reduced. "loose" condition. The method of the invention uses oil sand as the fine aggregate to reduce the waste of oil sand resources, especially in some alpine regions in northern my country, local materials can be obtained, and transportation costs are reduced.

Description

technical field [0001] The invention belongs to the fields of chemical technology, resource recycling and road and bridge construction, and specifically relates to an asphalt mixture, a preparation method and the application of oil sand in the preparation of the asphalt mixture. Background technique [0002] With the sustained and rapid development of my country's economy, earth-shaking changes have taken place in my country's road engineering. Asphalt is even paved into country lanes. However, in some areas with harsh climates, especially in northern China, due to the huge temperature difference between day and night and seasons, asphalt shrinks repeatedly, resulting in the "looseness" of traditional asphalt pavement. There are many reasons for the looseness, such as: (1) low asphalt ratio, (2) low air temperature construction causes the internal void ratio of the asphalt pavement to be too large, (3) the aggregate particles are wrapped by dust or the mud content exceeds t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/26C04B14/06
Inventor 王德慧赵德智
Owner LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY