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舊瀝青路面冷再生機械如何進行施工
來源：http://www.kqj188.com/ 日期：2022-02-12 發(fā)布人：
舊瀝青路面冷再生機械如何進行施工
How to construct cold recycling machinery for old asphalt pavement
1、就地冷再生的施工原理瀝青路面就地冷再生并不是人們通常所理解的將已破損的瀝青路面重新恢復到完好的原始狀態(tài)，而是將舊面層和部分基層一并打碎混合之后就地改建成新的基層（或底基層）。嚴格地講，此工藝應該稱之為舊瀝青路面材料的就地再利用。路面就地冷再生的工作原理，是在原有舊路鋪層的基礎上，按照新的設計要求，選擇性地摻入適量的骨料、水泥、石灰、粉煤灰、乳化瀝青、泡沫瀝青和水等外加材料，利用就地冷再生設備，實際上就是一臺大型的穩(wěn)定土路拌機）,在自然常溫下，就地連續(xù)完成對舊鋪層（路面和部分基層）的銑刨、破碎、添加料、拌和、攤鋪等工序，隨后進行找平和突出，修建出一種特殊級配的道路基層（或底基層）。
1. Construction principle of in-situ cold recycling asphalt pavement in-situ cold recycling is not generally understood to restore the damaged asphalt pavement to the intact original state, but to break and mix the old surface course and part of the base course, and then transform it into a new base course (or subbase). Strictly speaking, this process should be called in-situ reuse of old asphalt pavement materials. The principle of cold in place recycling is to select the right amount of aggregate, cement, lime, fly ash, emulsified asphalt, foam asphalt and water, and use the local cold recycling equipment on the basis of the old pavement. Milling, crushing, adding materials, mixing, paving and other processes of the old paving layer (pavement and part of the base course) shall be continuously completed on site, and then leveling and rolling shall be carried out to build a special graded road base (or subbase).
2、就地冷再生的適用范圍和優(yōu)點由于就地冷再生施工是將原道路的面層和基層變成了新的道路基層（或底基層）,致使新道路的面層至少要在此標高的基礎上開始鋪筑，況且在高標準的道路改造中，有時是將再生層作為底基層，在此基礎上還要加鋪二灰碎石等基層材料，這就使得改造之后的路面標高遠遠大于原來路面的標高，沿路構造物處路面的設計結構將隨之發(fā)生變化。如果在城市道路中采用此法施工，原有的排水系統(tǒng)也將隨之受到一些影響。因此，對于路面標高有較嚴格限制的道路，不宜采用此法施工。
2. Application scope and advantages of in-situ cold recycling construction because in-situ cold recycling construction changes the surface course and base course of the original road into a new road base (or subbase), the surface course of the new road must be paved at least on the basis of this elevation. Moreover, in high standard road reconstruction, sometimes the recycled layer is used as the subbase, On this basis, lime fly ash macadam and other base materials should be paved, which makes the elevation of the reconstructed pavement far greater than that of the original pavement, and the design structure of the pavement along the road structure will change accordingly. If this method is used in urban roads, the original drainage system will also be affected. Therefore, this method is not suitable for roads with strict restrictions on pavement elevation.
雖然就地冷再生的適用范圍受到路面標高的限制，但在多數的一般道路改造中，與傳統(tǒng)的施工方法相比，依然具有諸多的優(yōu)點。
Although the application scope of in-situ cold regeneration is limited by the pavement elevation, it still has many advantages compared with the traditional construction methods in most general road reconstruction.
（1）工序簡單由于原有舊路面的材料全部被就地利用，省略了挖掘6外運6廠內加工及回填等一系列工作，使得施工工序大大簡化。
(1) The process is simple. Because all the materials of the original old pavement are used locally, a series of work such as excavation 6, outward transportation 6, processing and backfilling in the plant are omitted, which greatly simplifies the construction process.
（2）成本較低國外的一些施工資料顯示，與傳統(tǒng)的施工方法相比，由于舊的道路材料得以全部利用，隨著再生層厚度的不同，大致可以降低成本。厚度越深，降低成本越多，我國目前在這方面總結的資料還不多，但就從我省對該施工法進行的定額測定結果來看，此工藝能夠降低工程成本是肯定的。
(2) The cost is low. Some foreign construction data show that compared with the traditional construction methods, due to the full utilization of the old road materials, the cost can be roughly reduced with the different thickness of the regeneration layer. The deeper the thickness, the more the cost will be reduced. At present, there is not much data summarized in this regard in China, but from the quota measurement results of this construction method in our province, it is certain that this process can reduce the project cost.
（3）提高道路等級由于該施工法強化了基礎的承載能力#如果新的設計級配合理，可使再生層的強度達到（13-15Mpa），從根本上保證了道路等級的提高。這一優(yōu)點對于低等級道路的改造尤為重要。
(3) Improve the road grade because the construction method strengthens the bearing capacity of the foundation # if the new design grading is reasonable, the strength of the regeneration layer can reach (13-15mpa), which fundamentally ensures the improvement of the road grade. This advantage is particularly important for the reconstruction of low-grade roads.
（4）生產效率高就地冷再生是在自然條件下進行的，除了個別嚴重的坑槽需要簡單的預處理外，其余路面均不需要明顯處理。再加之一次性通過的施工特點，充分地利用了作業(yè)時間，因此大大地提高了生產效率，在水穩(wěn)路基二灰碎石施工時，經過我們的實地測定，一臺WR2300L型再生機，在組織合理的情況下，每個工作臺班可以再生路面4000㎡以上。
(4) High production efficiency, in-situ cold regeneration is carried out under natural conditions. Except that some serious pits need simple pretreatment, other roads do not need any treatment. In addition, the construction characteristics of one-time passing make full use of the operation time, so the production efficiency is greatly improved. During the construction of lime fly ash macadam for water stabilized subgrade, after our field measurement, a wr2300l regenerator can regenerate more than 4000 m2 of pavement for each working shift under the condition of reasonable organization.
（5）保護環(huán)境和資源因為舊料得以全部就地利用，減少了新材料的開采，也不存在舊料運輸和廢料隨意棄放的問題，施工過程沒有粉塵和廢氣的污染，節(jié)約了資源，保護了環(huán)境，因此有人稱之為“綠色”施工技術！
(5) Protect the environment and resources. Because the old materials can be fully utilized locally, the mining of new materials is reduced, and there is no problem of old material transportation and waste disposal at will. There is no dust and waste gas pollution in the construction process, which saves resources and protects the environment. Therefore, some people call it "green" construction technology!
（6）可以不中斷交通施工由于就地冷再生工序簡單“投入現場的施工設備很少”對交通干擾反應不敏感！故此在交通量不太大的情況下“可以半幅通車”半幅施工！
(6) Traffic construction can be carried out without interruption. Due to the simple process of local cold regeneration, "there are few construction equipment on site" is not sensitive to traffic interference! Therefore, under the condition that the traffic volume is not too large, it can be "opened to traffic" and constructed in half!
本文由冷再生機租賃為您提供，我們的網站是：http://www.kqj188.com 我們將以全心全意的熱情為您提供服務，歡迎您的訪問
This article is provided for you by the cold regenerator rental. Our website is: http://www.kqj188.com We will provide you with services with wholehearted enthusiasm. Welcome to visit
下一篇： 冷再生機在道路施工前有哪些要求 上一篇：就地冷再生柔性基層路面的檢查
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