就地冷再生技術(shù)因其造價(jià)低廉，節(jié)約材料，對(duì)交通影響小等優(yōu)點(diǎn)，在我國(guó)應(yīng)用越來(lái)越廣泛。下面冷再生機(jī)租賃廠家來(lái)分析分析就地冷再生機(jī)是什么及技術(shù)適用條件：

In situ cold regeneration technology is increasingly widely used in China due to its advantages such as low cost, material saving, and minimal impact on transportation. The following is an analysis of what on-site cold regeneration machines are and their technical application conditions from manufacturers who rent cold regeneration machines:

就地冷再生技術(shù)的原理

The principle of on-site cold regeneration technology

就地冷再生（ColdIn-p1aceRecycling）技術(shù)，是指采用專用就地冷再生設(shè)備，對(duì)瀝青路面進(jìn)行現(xiàn)場(chǎng)冷銑刨、破碎，加入一定量新集料（必要時(shí)）、再生結(jié)合料（乳化瀝青、泡沫瀝青等）、活性填料（水泥、石灰等）和水，在常溫下拌和、整平、碾壓，一次性實(shí)現(xiàn)舊瀝青路面再生的技術(shù)。

Cold in place recycling technology refers to the technology of on-site cold milling and crushing of asphalt pavement, adding a certain amount of new aggregate (if necessary), recycled binder (emulsified asphalt, foam asphalt, etc.), active filler (water mud, lime, etc.) and water, mixing, leveling and rolling at normal temperature, and realizing the regeneration of old asphalt pavement at one time.

就地冷再生機(jī)，就是對(duì)應(yīng)就地冷再生技術(shù)的專用現(xiàn)場(chǎng)冷再生設(shè)備，通常為大功率自行式移動(dòng)設(shè)備，除了配備有行走總成、再生層（包括瀝青層或穩(wěn)定層）物料銑刨、再生料粒徑控制、銑刨深度控制等基本功能的機(jī)械結(jié)構(gòu)和控制單元外，設(shè)備上會(huì)根據(jù)再生結(jié)合料的不同，裝配有專用再生結(jié)合料系統(tǒng)，這個(gè)系統(tǒng)根據(jù)再生結(jié)合料特性可實(shí)現(xiàn)再生結(jié)合料發(fā)生、輸送及配合比例控制等功能。目前，根據(jù)再生結(jié)合料的不同，就地冷再生機(jī)可分為水泥就地冷再生機(jī)和瀝青就地冷再生機(jī)。

The on-site cold regeneration machine is a specialized on-site cold regeneration equipment corresponding to the on-site cold regeneration technology, usually a high-power self-propelled mobile device. In addition to the mechanical structure and control unit equipped with basic functions such as walking assembly, material milling of the regeneration layer (including asphalt layer or stable layer), particle size control of the regeneration material, and milling depth control, the equipment will be equipped with a dedicated regeneration binder system according to the different types of recycled binders, This system can achieve functions such as the generation, transportation, and proportion control of recycled binder based on its characteristics. At present, according to the different types of recycled binders, on-site cold recycling machines can be divided into cement on-site cold recycling machines and asphalt on-site cold recycling machines.

就地冷再生技術(shù)適用條件

Applicable conditions for on-site cold regeneration technology

就地冷再生技術(shù)總的來(lái)說(shuō)可分為瀝青路面面層冷再生技術(shù)和全深度再生（即深層復(fù)拌冷再生）技術(shù)兩大類。對(duì)于瀝青面層就地冷再生技術(shù)，路面維護(hù)保養(yǎng)適用的路面厚度約為6～13mm。下面三種情況都適用：

In general, on-site cold recycling technology can be divided into two categories: cold recycling technology for asphalt pavement surface layer and full depth recycling (i.e. deep mixing cold recycling) technology. For the on-site cold regeneration technology of asphalt pavement, the applicable pavement thickness for maintenance and upkeep is about 6-13mm. The following three situations apply:

1）由于路面老化、高溫?fù)p害、疲勞和反射裂紋所造成的路面裂紋。

1) Road surface cracks caused by aging, high-temperature damage, fatigue, and reflective cracks.

2）由于混合料的不穩(wěn)定性、擠壓和粗糙的材料使路面形成車轍所造成的路面變形。

2) The deformation of the road surface caused by rutting due to the instability, compression, and rough materials of the mixture.

3）由于斷裂、瀝青泛油以及層面之間的粘接力降低所造成的路面完整性破損。全深度就地冷再生技術(shù)的適用條件是道路穩(wěn)定層的再生改造工程。

3) The damage to the integrity of the road surface caused by fractures, asphalt flashing, and reduced adhesion between layers. The applicable condition of the full depth on-site cold regeneration technology is the regeneration and renovation project of the road stability layer.

與瀝青面層就地冷再生相比，全深度再生就地冷再生技術(shù)的主要特點(diǎn)是能夠適應(yīng)道路深層的再生改造要求，對(duì)路面基層進(jìn)行再生處理時(shí)，拌和深度范圍一般為10～20cm，處理土基穩(wěn)定層時(shí)，拌和深度可達(dá)35～40cm。

Compared with in situ cold regeneration of asphalt pavement, the main feature of the full depth regeneration in situ cold regeneration technology is that it can adapt to the requirements of deep road regeneration and renovation. When regenerating the pavement base, the mixing depth range is generally 10-20cm, and when treating the soil foundation stable layer, the mixing depth can reach 35-40cm.

根據(jù)經(jīng)驗(yàn)，只要混合料中5mm以上的粒料占30%以上，該舊路就有利用其作為再生基層的可能。因?yàn)橛凶銐虻拇蠊橇暇湍軌蛐纬稍偕鶎拥墓羌芙Y(jié)構(gòu)，使再生基層具備一定的承載能力。更多相關(guān)內(nèi)容就來(lái)我們網(wǎng)站http://www.wlc189.com咨詢！

Based on experience, as long as more than 30% of the aggregate with a size of 5mm or more in the mixture is used, the old road has the possibility of using it as a recycled base. Because there is enough large aggregate to form the skeleton structure of the recycled base, the recycled base has a certain bearing capacity. For more related content, come to our website http://www.wlc189.com consulting service