公司新聞
冷再生機(jī)的常用施工方案！
來(lái)源：http:/// 日期：2020-09-07
根據(jù)原有道路結(jié)構(gòu)和新設(shè)計(jì)方案的不同， 就地冷再生可以組合出多種施工方案！其實(shí)各種施工方案的工作原理都是一樣， 區(qū)別是摻入材料的不同，加入的方法也有所不同。以水泥為添加料對(duì)瀝青路面進(jìn)行就地冷再生是常用的一種方案。
According to the difference of the original road structure and the new design scheme, a variety of construction schemes can be combined by cold recycling in place! In fact, the working principle of various construction schemes is the same. The difference is that the mixing materials are different, and the adding methods are also different. It is a common scheme that cement is used as additive for cold in place recycling of asphalt pavement.
在利用水泥進(jìn)行就地冷再生時(shí)，外加料主要是水泥，水泥的通常用量按重量計(jì)在2%-5%之間比較合適。如果水泥的用量過(guò)多，容易使再生層變脆。同時(shí)還要加入適量的水。
When cement is used for in-situ cold recycling, the main additive is cement, and the normal amount of cement is 2% - 5% by weight. If the amount of cement is too much, it is easy to make the regeneration layer brittle. At the same time, add appropriate amount of water.
水泥的加入方法有兩種，一種是利用人工或?qū)Ｓ脵C(jī)械將水泥預(yù)先撒布在需要再生的路面上。這時(shí)水的加入方法，是通過(guò)冷再生機(jī)上所配備的微機(jī)控制系統(tǒng)從跟班作業(yè)的運(yùn)水車內(nèi)輸送到冷再生機(jī)的拌和倉(cāng)中。
There are two ways to add cement. One is to spread the cement on the pavement which needs to be recycled by manual or special machinery. At this time, the water is added into the mixing bin of the cold regenerator through the microcomputer control system equipped with the cold regeneration machine from the water truck of the shift operation.
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?dāng)嚢璩伤嘞{，再通過(guò)冷再生機(jī)上的控制系統(tǒng)將其輸送到冷再生機(jī)的拌和倉(cāng)中。
Another method is to use cement slurry mixer truck to mix the cement and water needed to be added into the cement slurry, and then it is transported to the mixing bin of the cold regenerator through the control system on the cold regenerator.
這種方法的優(yōu)點(diǎn)就是在控制用量方面非常方便。因?yàn)樵谑┕ぶ欣湓偕鷻C(jī)要分幾個(gè)工作行程才能完成一個(gè)作業(yè)段內(nèi)整幅路面的銑刨，而再生層的碾壓要等到整個(gè)作業(yè)段全部施工工序完成之后才能進(jìn)行，這就形成先銑刨的路面和后銑刨的路面到碾壓時(shí)所等待的時(shí)間間隔相差很多。
The advantage of this method is that it is very convenient to control the dosage. Because in the construction, the cold recycling machine needs to divide several working trips to complete the milling of the whole pavement in an operation section, and the rolling of the regeneration layer can only be carried out after the completion of all construction procedures in the whole operation section, which results in a lot of differences in the waiting time between the first milled pavement and the later milled pavement.
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