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Wood asphalt mixture used for paving side pavement and preparation method thereof

A technology for asphalt mixtures and sidewalks, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as lack of promotion and permanent application

Inactive Publication Date: 2011-02-02
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to reasons such as size, application, cost, etc., it has not been promoted and used for a long time

Method used

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  • Wood asphalt mixture used for paving side pavement and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Taking the preparation of sidewalk pavement of the present invention with wooden asphalt mixture 1000g as example used raw material and consumption thereof are:

[0031] SK-70# base asphalt 161.5g

[0032] Coarse wood aggregate 369.1g

[0033] Fine wood aggregate 203g

[0034] Mineral powder 242.2g

[0035] TPS modifier 24.2g

[0036] The mass parts of the above-mentioned raw materials are as follows:

[0037] SK-70# base asphalt 7.0 parts

[0038] Coarse wood aggregate 16.0 parts

[0039] Fine wood aggregate 8.8 parts

[0040] Mineral powder 10.5 parts

[0041] TPS modifier 1.05 parts

[0042] The above-mentioned SK-70# matrix asphalt is provided by Shaanxi Wentong Road Material Co., Ltd.; coarse wood aggregates are broken pine wood with a particle size greater than 4.75mm and less than or equal to 16mm, and coarse wood aggregates with a particle size greater than 4.75mm and less than or equal to 9.5mm The mass ratio of coarse woody aggregates with a particle ...

Embodiment 2

[0051]Taking the preparation of sidewalk pavement of the present invention with wooden asphalt mixture 1000g as example used raw material and consumption thereof are:

[0052] SK-70# base asphalt 175.4g

[0053] Coarse wood aggregate 350.9g

[0054] Fine wood aggregate 175.4g

[0055] Mineral powder 280.8g

[0056] TPS modifier 17.5g

[0057] The mass parts of the above-mentioned raw materials are as follows:

[0058] SK-70# base asphalt 5.0 parts

[0059] Coarse wood aggregate 10.0 parts

[0060] Fine wood aggregate 5.0 parts

[0061] Mineral powder 8.0 parts

[0062] TPS modifier 0.5 parts

[0063] Every index of above-mentioned raw material is identical with embodiment 1.

[0064] Its preparation method is identical with embodiment 1.

Embodiment 3

[0066] Taking the preparation of sidewalk pavement of the present invention with wooden asphalt mixture 1000g as example used raw material and consumption thereof are:

[0067] SK-70# base asphalt 153.8g

[0068] Coarse wood aggregate 307.8g

[0069] Fine wood aggregate 256.4g

[0070] Mineral powder 256.4g

[0071] TPS modifier 25.6g

[0072] The mass parts of the above-mentioned raw materials are as follows:

[0073] SK-70# base asphalt 9.0 parts

[0074] Coarse wood aggregate 18.0 parts

[0075] Fine wood aggregate 15.0 parts

[0076] Mineral powder 15.0 parts

[0077] TPS modifier 1.5 parts

[0078] Every index of above-mentioned raw material is identical with embodiment 1.

[0079] Its preparation method is identical with embodiment 1.

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Abstract

The invention relates to a wood asphalt mixture used for paving the side pavement. The wood asphalt mixture is prepared from the following components in parts by weight: 5.0-9.0 parts of base asphalt, 10.0-18.0 parts of coarse woody aggregate, 5.0-15.0 parts of fine woody aggregate, 8.0-15.0 parts of mineral powder and 0.5-1.5 parts of TPS modifier. The invention uses the recycled wood as raw material and the raw material is crushed and pretreated to obtain the aggregate of the mixture; experiments prove that the wood asphalt mixture can meet the demand of the Highway Asphalt Pavement Construction Technical Standard (JTGF40-2004) which is issued by the Ministry of Communications, on the side pavement and non-motorized vehicle roads; and the wood asphalt mixture has the advantages that thewood asphalt mixture has light weight, higher elasticity and recuperative power, heat insulation performance and heat insulation performance, the side pavement paved by the wood asphalt mixture is comfortable to walk, and the wood asphalt mixture can be used in the pavements with low load and a certain demands on the deformability and the walking comfortability such as side pavements and pavements of parks and walking streets.

Description

technical field [0001] This patent relates to a new type of pavement pavement material prepared by using recycled wood as a raw material, crushed and pretreated as a mixture aggregate, and relates to its preparation method. Background technique [0002] In my country's wood processing and wood product manufacturing industries, a large number of scraps and sawdust are produced every year, most of which are dumped as waste or burned as energy, which is a waste of resources and is not conducive to environmental protection. "Waste" is a "resource that has been misplaced". As long as we use it reasonably, it is still a kind of "resource", and wood waste is no exception. According to statistics, my country produces about 60 million tons of waste wood every year, equivalent to 85 million m3 of wood. 3 . Therefore, how to make good use of wood waste has become an important topic before us, which is of great significance. [0003] As early as the early 19th century, the United Sta...

Claims

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Application Information

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IPC IPC(8): C04B18/26C04B26/26
CPCY02W30/91
Inventor 裴建中李利利郭经纬姜超平
Owner CHANGAN UNIV
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