全深式就地冷再生施工工艺主要采用就地冷再生施工设备对需要修复的破损沥青路面进行冷铣刨、破碎以及筛选，再按比例加入新集料、再生结合料、水泥、石灰、水等，经过常温搅拌后，把这些物料铺设路面上，再经碾压后成型。这一施工工艺是需要一整套工序在现场有序的完成。其中全深式就地冷再生包含着沥青材料层与非沥青材料层。

The full depth on-site cold recycling construction technology mainly uses on-site cold recycling construction equipment to perform cold milling, crushing, and screening on the damaged asphalt pavement that needs to be repaired. Then, new aggregates, recycled binders, cement, lime, water, etc. are added in proportion. After being stirred at room temperature, these materials are laid on the pavement and rolled to form. This construction process requires a complete set of procedures to be completed in an orderly manner on site. The full depth on-site cold regeneration includes both asphalt material layer and non asphalt material layer.

沥青路面再生技术的优势

The advantages of asphalt pavement regeneration technology

(1)节约成本

(1) Cost savings

在沥青路面的大、中修中使用全深式就地冷再生基层施工工艺与传统的修整沥青路面相比，极大的节约了修整成本。

Compared with traditional asphalt pavement repair, the use of full depth on-site cold recycling base construction technology in large and medium maintenance of asphalt pavement greatly saves repair costs.

(2)工期缩短

(2) Shortened construction period

在沥青路面中使用全深式就地冷再生基层施工工艺能够有效的缩短施工工期，尽快使得维修好的沥青路面投入到使用中，同时也能有效的提高施工区域内行车水平。这一施工工艺相比原来的施工工艺来说更加的简便，同时也可以在施工过程中开放交通，保证道路的畅通，不会造成交通拥堵现象。

The use of full depth on-site cold recycled base construction technology in asphalt pavement can effectively shorten the construction period, quickly put the repaired asphalt pavement into use, and also effectively improve the safety driving level in the construction area. This construction process is more simple and efficient compared to the original construction process, and it can also open up traffic during the construction process, ensuring smooth road traffic and avoiding traffic congestion.

(3)节约资源

(3) Save resources

在全深式就地冷再生基层施工工艺中能够有效的节约资源，促进对环境的保护。它在施工过程中能够将原本在沥青路面建设中使用过的材料进行二次回收利用，特别是一些砂石材料，避免了再次开采这类资源，造成浪费。在回收利用这一系列材料中也能够避免这些材料被废弃占用土地资源，造成环境污染。

In the construction process of fully deep on-site cold recycling base layer, it can effectively save resources and promote environmental protection. It can recycle and reuse the materials originally used in asphalt pavement construction, especially some sand and gravel materials, during the construction process, avoiding the waste caused by the re exploitation of such resources. In the recycling and utilization of this series of materials, it is also possible to avoid these materials being abandoned and occupying land resources, causing environmental pollution.

(4)提高路面的平整度

(4) Improve the smoothness of the road surface

在沥青路面修复过程中采用全深式就地冷再生基层施工工艺能够有效的保留现有道路的完整性结构与净空，同时还能够有效的纠正路面纵断面以及横坡现象，极大的提高了路面的平整度。

The use of full depth on-site cold regeneration base construction technology in the process of asphalt pavement repair can effectively preserve the integrity structure and clearance of the existing road, while also effectively correcting the longitudinal and transverse slope phenomena of the road surface, greatly improving the smoothness of the road surface.

(5)冷再生基层施工工艺能够复原

(5) Cold recycled base construction technology can restore

冷再生基层施工工艺适用于修复大面积道路损毁，当采用这一施工工艺进行修复后，路面的使用性能与原先完整的路面无差别，新铺设的路面基本符合原本的路面性能。

The cold recycled base construction technology is suitable for repairing large-scale road damage. When this construction technology is used for repair, the performance of the road surface is no different from the original complete road surface, and the newly laid road surface basically meets the original road performance.

全深式就地冷再生施工工艺与质量控制措施

Full depth on-site cold regeneration construction technology and quality control measures

(1)全深式就地冷再生施工工艺原理

(1) The principle of fully deep on-site cold regeneration construction technology

全深式就地冷再生施工工艺需要将沥青路面中全部厚度的沥青面层与预定比例汇总的下卧层统一进行粉碎与搅拌融合在一起，以此来提供升级的均匀基层材料的维修技术。若旧材料中没有足够的力学性能与结构强度承载预期中的荷载，那么就需要在其中加入新的集料，同时也需要按照一定的比例加入定量的化学稳定剂，以此来达到预期的效果。

The full depth on-site cold recycling construction process requires the crushing and mixing of the entire thickness of the asphalt surface layer in the asphalt pavement and the predetermined proportion of the underlying layer, in order to provide an upgraded and uniform maintenance technology for the base material. If the old material does not have sufficient mechanical properties and structural strength to bear the expected load, it is necessary to add new aggregates and a certain proportion of chemical stabilizers to achieve the expected effect.

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