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Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof

A warm-mix asphalt and micro-foaming technology, which is applied in the engineering field, can solve the problems that harmful gases cannot be tracked and monitored, increase construction costs, and warm-mix materials are expensive, so as to achieve maximum economic benefits and environmental protection value, reduce discharge temperature and Effect of construction temperature, reduction of greenhouse gas and harmful gas emissions

Active Publication Date: 2015-02-18
江苏东交工程设计顾问有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, warm mix materials are expensive, and each production of warm mix asphalt mixture will increase the construction cost, and whether harmful gases are produced during the production process of warm mix materials cannot be tracked and monitored, so it is urgent to introduce or develop new asphalt mixture temperature Contribute to green transportation

Method used

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  • Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof
  • Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof
  • Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1. Material preparation:

[0032] Water, use potable tap water.

[0033] Asphalt is 70# road petroleum asphalt, which is the asphalt produced by Taizhou Plant of CNOOC in this embodiment.

[0034] Crushed stone aggregate, also known as aggregate. One of the main components of asphalt concrete, it mainly acts as a skeleton and reduces the volume change caused by the shrinkage and swelling of the cementitious material during the setting and hardening process, and is also used as a cheap filler for the cementitious material. There are natural aggregates and artificial aggregates, the former such as gravel, pebbles, pumice, natural sand, etc.; the latter such as cinder, slag, ceramsite, expanded perlite, etc. The stone material used in this example is sieved crushed stone, and the crushed stone aggregate is classified according to the commonly used classification requirements. 13.2 to 26.5mm, and the sum of crushed stone aggregates should be less than 100, which is betwe...

Embodiment 2

[0042] 1. Material preparation:

[0043] Water, use potable tap water.

[0044] Asphalt, Shell 70# road petroleum asphalt is used.

[0045] Crushed stone aggregate, also known as aggregate. One of the main components of asphalt concrete, it mainly acts as a skeleton and reduces the volume change caused by the shrinkage and swelling of the cementitious material during the setting and hardening process, and is also used as a cheap filler for the cementitious material. There are natural aggregates and artificial aggregates, the former such as gravel, pebbles, pumice, natural sand, etc.; the latter such as cinder, slag, ceramsite, expanded perlite, etc. The stone material used in this example is sieved crushed stone, and the crushed stone aggregate is classified according to the commonly used classification requirements. 13.2~26.5mm, the proportions of each file are: 26.64%: 11.00%: 24.00%: 31.00%, and they are added at the same time.

[0046] Limestone slag, mainly composed o...

Embodiment 3

[0053] 1. Material preparation:

[0054] Water, use potable tap water.

[0055] Asphalt, adopt 70# road petroleum asphalt, what this embodiment adopts is the asphalt produced by Jiangsu Baoli.

[0056] Crushed stone aggregate, also known as aggregate. One of the main components of asphalt concrete, it mainly acts as a skeleton and reduces the volume change caused by the shrinkage and swelling of the cementitious material during the setting and hardening process, and is also used as a cheap filler for the cementitious material. There are natural aggregates and artificial aggregates, the former such as gravel, pebbles, pumice, natural sand, etc.; the latter such as cinder, slag, ceramsite, expanded perlite, etc. The stone material used in this example is sieved crushed stone, and the crushed stone aggregate is classified according to the commonly used classification requirements. 13.2~26.5mm, the proportions of each file are: 28.85%: 10.00%: 24.00%: 31.00%, and they are added...

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Abstract

The invention relates to a warm mix asphalt mixture as well as a preparation method and equipment thereof, in particular to a micro-foamed warm mix asphalt mixture as well as a preparation method and equipment thereof, and belongs to the technical field of engineering. An asphalt micro-foaming formula and the equipment are matched for use. During mixture production, by the aid of the equipment, asphalt is fully foamed, a binder is sprayed into a mixing cylinder in the form of foamed asphalt and mixed with aggregate to form the warm mix asphalt mixture, the foamed asphalt is lower than the asphalt in viscosity and higher in workability and can fully cover the aggregate at the lower temperature, the mixing temperature of the warm mix asphalt mixture is reduced, and the micro-foamed warm mix asphalt mixture is produced. The micro-foamed warm mix asphalt mixture as well as the preparation method and the equipment thereof have benefits as follows: warm mixing of the warm mix asphalt mixture is realized by the aid of micro-foaming equipment, the cost for purchasing the equipment is only input once, and a small amount of water is sprayed in production. The production cost of the warm mix asphalt mixture is reduced, the once-and-for-all effect can be realized, and the method is more energy-saving and environment-friendly when compared with a traditional technology that warm mix materials are added for warm mixing.

Description

technical field [0001] The invention relates to a warm-mix asphalt mixture and a preparation method and equipment thereof, in particular to a micro-foaming warm-mix asphalt mixture and a preparation method and equipment thereof, belonging to the technical field of engineering. Background technique [0002] The global energy shortage and climate change have become a major concern of the international community, and energy conservation and emission reduction have become the common responsibility of the international community. As the largest developing country in the world, my country is increasingly becoming the object of global attention. The transportation industry is a large energy consumer in my country, an important field for building a resource-saving and environment-friendly society, and an important source of greenhouse gas and air pollution emissions. It is estimated that in 2004 the carbon dioxide emission of my country's transportation industry was about 290 milli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/26E01C19/02E01C19/08E01C19/10
CPCY02A30/30
Inventor 王新明赵锡娟潘健李华王捷
Owner 江苏东交工程设计顾问有限公司
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