旧沥青路面的再生方式主要有就地再生和厂拌再生两类，前者又可分为就地热再生和就地冷再生两种方式。下面来讲讲相关的内容吧！

The regeneration methods of old asphalt pavement mainly include in-situ regeneration and plant mixing regeneration. The former can be divided into in-situ geothermal regeneration and in-situ cold regeneration. Let's talk about the relevant content!

就地冷再生施工工艺可对100mm500mm的破损路面及路基进行再施工，先铣削粉碎并收集旧路面材料，加入一定数量的石灰、水泥、乳化沥青或泡沫沥青等添加剂，搅拌后作为再生后的基层混合料使用。在此基层上再罩上一层磨耗层和适宜的表面处置作为面层，成型新的道路供使用。

The in-situ cold recycling construction process can be used for the reconstruction of damaged pavement and subgrade from 100mm to 500mm. First, milling, crushing and collecting the old pavement materials, adding a certain amount of lime, cement, emulsified asphalt or foam asphalt and other additives, and then mixing them as the recycled base course mixture. A wearing course and appropriate surface treatment shall be covered on the base course as the surface course to form a new road for use.

就地热再生施工即用一台综合式再生重铺机组，连续实现加热、耙松、再生剂添加、加热搅拌、摊铺等工艺方案。该方案要求公路面层损伤较轻，而且联结层和基础层较完好。旧路面铺层厚度大于50mm，且路面各种病害损坏深度小于50mm，旧沥青针入度超过20（1/10mm），裂缝面积少于40%.就地热再生特点是施工周期短，对交通干扰小，运输量小，性好，但设备系统复杂，技术水平要求高，投资大。工艺柔性较差，不能利用现有的摊铺设备和技术。

For geothermal regeneration construction, a comprehensive regeneration and resurfacing unit is used to continuously realize the process schemes of heating, scarifying, adding regenerant, heating mixing and paving. The scheme requires that the road surface layer is slightly damaged, and the connection layer and foundation layer are relatively intact. The pavement thickness of the old pavement is greater than 50mm, the damage depth of various pavement diseases is less than 50mm, the penetration of the old asphalt is more than 20 (1/10mm), and the crack area is less than 40% Geothermal regeneration is characterized by short construction period, small traffic disturbance, small transportation volume and good environmental protection. However, the equipment system is complex, the technical level is high and the investment is large. The process flexibility is poor, and the existing paving equipment and technology cannot be used.

此外冷再生机租赁厂家认为我们需要多了解相关的再生内容，比如说：

In addition, the leasing manufacturer of cold regeneration machine thinks that we need to know more about the relevant regeneration contents, such as:

厂拌再生则是将铣削的旧沥青路面材料运送到搅拌厂（站），破碎、筛分处理后根据不同的旧材料以及翻新道路的要求，部分或全部采用旧材料，添加一定的沥青或再生剂，加热搅拌后运送到施工现场，摊铺、碾压。厂拌再生又分连续式和间歇式两种。

Plant mixing and recycling is to transport the milled old asphalt pavement materials to the mixing plant (station). After crushing and screening, some or all of the old materials are used according to the requirements of different old materials and renovated roads. Certain asphalt or regenerant is added. After heating and mixing, the materials are transported to the construction site for paving and rolling. Plant mixing regeneration can be divided into continuous type and intermittent type.

厂拌再生过程、质量易于控制，可对不同的旧材料进行再生，适用于生产多种材料的再生，施工周期长，对交通干扰大，运输费用也大，但可利用现有的施工设备，投资小，上项目比较容易。

The plant mixing regeneration process and quality are easy to control. It can regenerate different old materials. It is suitable for the regeneration of a variety of materials. The construction period is long, the traffic interference is large, and the transportation cost is large. However, the existing construction equipment can be used. The investment is small, and it is easy to start the project.

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