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Recycling Construction Technology of Asphalt Pavement

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6:14 pm
October 20, 2016


quangongzi

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posts 15

This paper introduces the construction process and characteristics of asphalt pavement hot mix regeneration technology, expatiates the construction technology of asphalt pavement hot mix regeneration, and discusses the construction quality control points and precautions of asphalt pavement hot mix regeneration.
Characteristics of Plant Heat Recycling Process
At home and abroad for many years of practical experience has proved that the factory mix hot recycled asphalt mixture pavement to meet the specifications required by the performance indicators. This kind of regeneration method belongs to structural regeneration and can be effectively used for regeneration of old asphalt pavement under various conditions. It is a kind of renewable technology which is applicable to a wide range of energy saving, environmental protection and construction quality. Plant with hot regeneration has the following characteristics:Small Road Roller – Shanghai Doan Machinery Technology Co.,Ltd
Plant with hot regeneration with accurate metering, screening control device, to ensure the accuracy of the mix, hot recycled asphalt mixture has a high road performance; 2. Plant hot mix regeneration in the pavement before the destruction of the Grass-roots repair, can be used to deal with damage to the grass-roots road; 3. Energy saving, reduce costs. It is suitable for hot mix recycling of asphalt pavement materials (RAP) for all grades of highway. The recycled asphalt mixture can be used in asphalt surface and flexible base of highway according to its performance and engineering condition. Third, asphalt pavement plant with hot recycling construction technology
Compared with the conventional asphalt mixture construction, the plant mixes the hot regeneration construction to mainly increase the old material recovery, the crushing, the screening step, as well as the cold material heating device and the transportation installment. Compared with the construction technology of ordinary asphalt pavement, the mixing complexity of recycled asphalt pavement mixture is greatly increased. 1. The old asphalt pavement material (RAP) recycling, storage of old materials recovery after crushing, by adjusting the hammer spacing to control the crushing particle size, to prevent the destruction of the old aggregate particle composition. Recycling asphalt pavement material (RAP) is divided into batches and divided in layers to facilitate the stability of RAP gradation. (RAP) is divided into coarse and fine two-grade materials, and generally can be classified into fine RAP of 0 to 5 mm and coarse RAP of 5 mm or more. In this case,
Broken old materials stacked in the storage material greenhouses, and has a good anti-drainage facilities to prevent material moisture content is too large to be difficult to dry or sun exposure leaving the recycled material agglomeration, stacking height of less than 3m to prevent The dead weight pressure causes the recovery material to agglomerate, affects the agitation uniformity.

This paper introduces the construction process and characteristics of asphalt pavement hot mix regeneration technology, expatiates the construction technology of asphalt pavement hot mix regeneration, and discusses the construction quality control points and precautions of asphalt pavement hot mix regeneration.Characteristics of Plant Heat Recycling ProcessAt home and abroad for many years of practical experience has proved that the factory mix hot recycled asphalt mixture pavement to meet the specifications required by the performance indicators. This kind of regeneration method belongs to structural regeneration and can be effectively used for regeneration of old asphalt pavement under various conditions. It is a kind of renewable technology which is applicable to a wide range of energy saving, environmental protection and construction quality. Plant with hot regeneration has the following characteristics:Small Road Roller – Shanghai Doan Machinery Technology Co.,Ltd
Plant with hot regeneration with accurate metering, screening control device, to ensure the accuracy of the mix, hot recycled asphalt mixture has a high road performance; 2. Plant hot mix regeneration in the pavement before the destruction of the Grass-roots repair, can be used to deal with damage to the grass-roots road; 3. Energy saving, reduce costs. It is suitable for hot mix recycling of asphalt pavement materials (RAP) for all grades of highway. The recycled asphalt mixture can be used in asphalt surface and flexible base of highway according to its performance and engineering condition. Third, asphalt pavement plant with hot recycling construction technologyCompared with the conventional asphalt mixture construction, the plant mixes the hot regeneration construction to mainly increase the old material recovery, the crushing, the screening step, as well as the cold material heating device and the transportation installment. Compared with the construction technology of ordinary asphalt pavement, the mixing complexity of recycled asphalt pavement mixture is greatly increased. 1. The old asphalt pavement material (RAP) recycling, storage of old materials recovery after crushing, by adjusting the hammer spacing to control the crushing particle size, to prevent the destruction of the old aggregate particle composition. Recycling asphalt pavement material (RAP) is divided into batches and divided in layers to facilitate the stability of RAP gradation. (RAP) is divided into coarse and fine two-grade materials, and generally can be classified into fine RAP of 0 to 5 mm and coarse RAP of 5 mm or more. In this case,Broken old materials stacked in the storage material greenhouses, and has a good anti-drainage facilities to prevent material moisture content is too large to be difficult to dry or sun exposure leaving the recycled material agglomeration, stacking height of less than 3m to prevent The dead weight pressure causes the recovery material to agglomerate, affects the agitation uniformity.
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