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舊瀝青路面冷再生機械如何進行多維度施工？

來源：http://m.baitaiglass.com/ 日期：2024-04-09 發(fā)布人：

根據(jù)原有道路結構和新設計方案的不同，就地冷再生可以組合出多種施工方案！其實各種施工方案的工作原理都是一樣，區(qū)別只是摻入材料的不同而加入的方法也有所不同而已！

According to the difference between the original road structure and the new design scheme, on-site cold regeneration can combine multiple construction schemes! In fact, the working principle of various construction plans is the same, and the only difference is that the materials added are different, and the methods used are also different!

在利用水泥進行就地冷再生時，外加料主要是水泥，水泥的通常用量按重量計在2%-5%之間比較合適。如果水泥的用量過多，容易使再生層變脆。為了獲得良好的壓實效果，同時還要加入適量的水。水泥的加入方法有兩種！一種是利用人工或專用機械將水泥預先撒布在需要再生的路面上。這時水的加入方法，是通過再生機上所配備的微機控制系統(tǒng)從跟班作業(yè)的運水車內(nèi)輸送到再生機的拌和倉中，另一種方法是采用水泥稀漿攪拌輸送車，將需要添加的水泥和水攪拌成水泥稀漿，再通過再生機上的控制系統(tǒng)將其輸送到再生機的拌和倉中。

When using cement for on-site cold regeneration, the main additive is cement, and the usual dosage of cement is between 2% and 5% by weight, which is more suitable. If the amount of cement used is too much, it is easy to make the recycled layer brittle. In order to achieve a good compaction effect, an appropriate amount of water should also be added. There are two ways to add cement! One method is to use manual or specialized machinery to pre distribute cement on the road surface that needs to be recycled. The method of adding water at this time is to transport it from the accompanying water transport truck to the mixing bin of the regeneration machine through the microcomputer control system equipped on the regeneration machine. Another method is to use a cement slurry mixing truck to mix the cement and water that needs to be added into cement slurry, and then transport it to the mixing bin of the regeneration machine through the control system on the regeneration machine.

上述兩種加入方法各有利弊，預撒水泥法工藝簡單，但在施工過程中容易產(chǎn)生灰塵，不過這種方法有一個很大的優(yōu)點，就是在控制用量方面非常方便。因為在施工中“ 再生機要分幾個工作行程才能完成一個作業(yè)段內(nèi)整幅路面的銑刨，而再生層的非常終突出要等到整個作業(yè)段全部施工工序完成之后才能進行，這就形成先銑刨的路面和后銑刨的路面到非常終突出時所等待的時間間隔相差很多，在較熱或較干燥的氣候里，隨著時間的拖延，先銑刨的路面水分蒸發(fā)得較多，而后銑刨的路面水分蒸發(fā)得較少。

The above two methods of adding each have their own advantages and disadvantages. The pre spreading cement method has a simple process, but it is prone to generating dust during the construction process. However, this method has a great advantage, which is that it is very convenient in controlling the dosage. Because in construction, the regeneration machine needs to divide into several working journeys to complete the milling and planing of the entire road surface within a working section, and the final compaction of the regeneration layer can only be carried out after the entire construction process of the working section is completed. This results in a significant difference in the waiting time interval between the milling and planing road surfaces. In hot or dry climates, as time goes on, the moisture on the milling road surface evaporates more, while the moisture on the milling road surface evaporates less.

如果預先加入的水量相同，則在非常終突出時，道路各個部位的含水量就不同。解決這一矛盾的唯一辦法，就是調整先后施工順序中的加水量。憑著施工經(jīng)驗，先施工的多加水，后施工的少加水。因為預撒水泥法是灰水分開，所以在調整加水量時不會影響水泥的用量。采用水泥稀漿輸入法可以消除施工中的粉塵污染” 減少施工污染“ 但對單獨調整用水量就較困難。

If the amount of water added in advance is the same, the moisture content of each part of the road will be different during the final compaction. The only way to solve this contradiction is to adjust the amount of water added in the construction sequence. Based on construction experience, add more water first and less water later. Because the pre sprinkled cement method separates cement and water, adjusting the amount of water added will not affect the amount of cement used. The use of cement slurry input method can eliminate dust pollution during construction and reduce construction pollution, but it is more difficult to adjust the water consumption separately.

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