Construction method of warm mix asphalt concrete pavement of municipal road

A technology of concrete pavement and warm asphalt, which is applied to roads, roads, on-site coagulation pavement, etc., which can solve the problem of excessive temperature drop of the mixture during transportation distance, restriction of transportation, paving and rolling time, and unfavorable energy saving Issues such as emission reduction and environmental protection, to achieve the effect of prolonging the daily construction time, prolonging the compaction time, and expanding the scope of product use

Inactive Publication Date: 2014-07-09
成张佳宁
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Problems solved by technology

The construction of hot-mix asphalt concrete pavement has the following disadvantages: the temperature loss is relatively fast during the construction process, which restricts the transportation, paving and rolling time during construction; the requirements for ambient temperature are also high, resulting in a short construction period throughout the year; The consumption is large, and the toxic fumes generated during the paving process are more, which is not con

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  • Construction method of warm mix asphalt concrete pavement of municipal road
  • Construction method of warm mix asphalt concrete pavement of municipal road

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with embodiment.

[0035] Warm mix asphalt concrete technology refers to the asphalt mixture mixing technology between hot mix asphalt mixture and normal temperature mix mixture. Under the same raw material conditions, the mixing temperature and compaction temperature of warm mixing are generally 20-40°C lower than that of hot mixing. The core of warm mix technology is to use physical or chemical means to increase the construction operability of asphalt mixture. After the mixture is formed, these physical or chemical additives will not have a negative impact on the performance of the pavement.

[0036] The key construction process of this project: During the asphalt mixture mixing process, the surface active additive aqueous solution is added in the form of external mixing, and it works with hot asphalt to achieve uniform dispersion and improve the coating ability and adhesion of asphalt and stone. , ...

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Abstract

The invention discloses a construction method of a warm mix asphalt concrete pavement of a municipal road. The construction method comprises the following steps: 1, reforming and adjusting the traditional mixing equipment; 2, determining the construction temperature of a warm mix mixture; 3, mixing the mixture; 4, transporting the warm mix mixture to the construction position; 5, paving the warm mix mixture; 6, compacting the paved warm mix asphalt mixture. Compared with the prior art, the construction method has the beneficial effects that the mixing cost and production consumption of the asphalt mixture are lowered, the ageing is alleviated, the pavement performance is improved, the emissions of harmful gas and dust are reduced, the environmental pollution is lowered, and the working environment quality of a worker is improved.

Description

technical field [0001] The invention relates to a concrete pavement construction method, in particular to a warm-mix asphalt concrete pavement construction method for municipal roads. Background technique [0002] At present, most of the municipal road construction in our country is hot-mix asphalt concrete pavement. The construction of hot-mix asphalt concrete pavement has the following disadvantages: the temperature loss is relatively fast during the construction process, which restricts the transportation, paving and rolling time during construction; the requirements for ambient temperature are also high, resulting in a short construction period throughout the year; The consumption is large, and the toxic fumes generated during the paving process are more, which is not conducive to the physical and mental health of the urban population in places where the population is large, and is not conducive to energy saving, emission reduction and environmental protection; Higher, ...

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Application Information

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IPC IPC(8): E01C7/22
CPCY02A30/30
Inventor 成张佳宁
Owner 成张佳宁
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