冷再生技术和热再生技术的区别是什么？

What is the difference between cold regeneration technology and hot regeneration technology?

　　施工工艺和适用情况

Construction technology and applicability

　　冷再生和热再生的主要区别在于施工工艺和适用情况：

The main difference between cold regeneration and hot regeneration lies in the construction process and applicability:

　　就地冷再生技术：

In situ cold regeneration technology:

　　使用专用的就地冷再生设备。

Use dedicated on-site cold regeneration equipment.

　　对沥青路面进行现场冷铣刨、破碎和筛分（必要时）。

Conduct on-site cold milling, crushing, and screening of asphalt pavement (if necessary).

　　渗入一定数量的新集料、再生结合料、活性填料（如水泥、石灰等）。

Infiltrate a certain amount of new aggregates, recycled binders, and active fillers (such as cement, lime, etc.).

　　在常温下拌和、摊铺、碾压。

Mix, spread, and compact at room temperature.

　　一次性实现旧沥青路面的再生，能有效解决中下面层高温性能不足等问题。

The one-time regeneration of old asphalt pavement can effectively solve problems such as insufficient high-temperature performance of the middle and lower layers.

　　就地热再生技术：

On site geothermal regeneration technology:

　　采用专业化的就地热再生机组。

Adopting specialized on-site geothermal regeneration units.

　　对原路面进行加热、翻松、拌和、摊铺、碾压。

Heat, loosen, mix, pave, and compact the original road surface.

　　实现旧沥青路面材料的100%就地再生利用。

Realize 100% on-site recycling of old asphalt pavement materials.

　　有效解决路面车辙问题，施工速度快，效率高，可实现单车道施工，对道路运营影响程度低。

Effectively solving the problem of road rutting, the construction speed is fast, the efficiency is high, and single lane construction can be achieved, with low impact on road operation.

　　总结来说，热再生需要加热损毁路面以进行修补，而冷再生则无需加热，可以直接对损毁路面进行修补。

In summary, hot regeneration requires heating the damaged road surface for repair, while cold regeneration does not require heating and can directly repair the damaged road surface.

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