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冷再生機的作用原理
來源：http://www.kqj188.com/ 日期：2023-06-02 發(fā)布人：
冷再生機一次破碎拌合寬度為2.4米，工作時需有一輛水罐車緊跟作業(yè)保證拌合用水，拌合過程中按照試驗單所規(guī)定的高于佳含水量1-2%控制用水（前提是需要知道再生機能打開幾個水噴嘴來換算含水量），另有一輛水罐車需滿水隨時處于待命狀態(tài)，一旦跟再生機作業(yè)的水罐沒水了，需即刻補上。以保證冷再生機的持續(xù)作業(yè)能力。
The width of the cold regeneration machine for crushing and mixing is 2.4 meters. During operation, a water tank truck should closely follow the operation to ensure the mixing water. During the mixing process, the water should be controlled according to the 1-2% higher than the optimal water content specified in the test sheet (provided that the regeneration machine needs to open several water nozzles to convert the water content). Another water tank truck needs to be full of water and always on standby. Once the water tank working with the regeneration machine runs out of water, it needs to be immediately replenished. To ensure the continuous operation ability of cold revitalization.
冷再生機出租廠家提醒，冷再生機行進速度應根據(jù)路面損壞狀況和再生深度進行調(diào)整，一般為6m/min～12m/min，使得銑刨后料的級配波動范圍不大。網(wǎng)裂嚴重地段應降低再生機組行進速度，提高銑刨轉(zhuǎn)子轉(zhuǎn)速。如舊路面層結(jié)構(gòu)層厚度大于8cm，冷再生機行走困難，則需先由冷再生機對舊路面層進行銑刨后，在破碎料上再鋪水泥，進行冷再生拌合施工。
The rental manufacturer of the cold recycling machine reminds that the travel speed of the cold recycling machine should be adjusted based on the damage condition of the road surface and the depth of regeneration, generally ranging from 6m/min to 12m/min, so that the fluctuation range of the grading of the milled material is not large. In areas with severe mesh cracks, the travel speed of the regeneration unit should be reduced and the speed of the milling rotor should be increased. If the thickness of the structural layer of the old road surface is greater than 8cm and it is difficult for the cold recycling machine to move, it is necessary to first mill and plane the old road surface layer with the cold recycling machine, and then lay cement on the crushed material for cold recycling mixing construction.
冷再生工作過程中需要人員跟隨隨時檢查拌合深度和濕度，一般以20米一點為準。如有不合格要及時跟司機反映以便解決。每冷再生施工作業(yè)時，振動壓路機建議跟在冷再生機后側(cè)20m處，對拌合完的混合料及時采用高幅低頻振動突出一遍，速度等同于冷再生機的行車速度。目的趁佳含水量時把水封在混合料里。
During the cold regeneration process, personnel are required to follow and check the mixing depth and humidity at any time, usually around 20 meters. If there are any nonconformities, they should be reported to the driver in a timely manner for resolution. During each cold recycling construction operation, the vibrating roller must follow the cold recycling machine at a distance of 20m behind it. The mixed mixture should be promptly compacted with high amplitude and low frequency vibration, with a speed equivalent to the driving speed of the cold recycling machine. The purpose is to seal the water in the mixture when the water content is optimal.
再生施工時應考慮兩種接縫：與道路中心線平行的縱向接縫和與道路中心線垂直的橫向接縫。
Two types of joints should be considered during regeneration construction: longitudinal joints parallel to the road centerline and transverse joints perpendicular to the road centerline.
縱向接縫：
Longitudinal joints:
再生機的工作寬度一般小于道路或行車道的寬度，因此，全幅路的冷再生需多次作業(yè)，從而導致和相鄰作業(yè)面間的縱向接縫。需要沿整條縱縫有一定的重疊量以保證相鄰作業(yè)面間縱縫的連續(xù)性。相鄰作業(yè)面間的重疊量不小于10cm。路面越厚，重疊量越大；材料粒徑越粗，重疊量越大；相鄰兩次作業(yè)間隔12h以上時，重疊量應增加。
The working width of the regeneration machine is generally smaller than the width of the road or carriageway, therefore, the cold regeneration of the full width road requires multiple operations, resulting in longitudinal joints between adjacent working surfaces. It is necessary to have a certain amount of overlap along the entire longitudinal seam to ensure the continuity of the longitudinal seam between adjacent working surfaces. The overlap between adjacent work surfaces shall not be less than 10cm. The thicker the road surface, the greater the overlap; The coarser the material particle size, the greater the overlap; When the interval between two adjacent assignments is more than 12 hours, the overlap should be increased.
在縱向接縫上，根據(jù)已建再生層的完成時間，改變水的噴入量?？v向接縫的位置應盡量避開緩慢行駛的重型車輛的輪跡。施工時應通過在現(xiàn)有路面上醒目標志或測量基準線的方法建立導向提示，幫助駕駛員正確操縱再生機，避免相鄰作業(yè)面間存在未拌合的的夾生帶。
On the longitudinal joint, change the amount of water sprayed according to the completion time of the existing regeneration layer. The position of the longitudinal joint should avoid the wheel tracks of slow moving heavy vehicles as much as possible. During construction, guidance prompts should be established by prominently marking or measuring reference lines on the existing road surface to help drivers operate the recycling machine correctly and avoid unmixed entrainment between adjacent working surfaces.
橫向接縫：
Transverse joint:
因每次施工開始或終止而形成的橫向接縫是不連續(xù)的。每次停機，即使是僅需幾分鐘用于更換罐車、刀頭，也將形成一個嚴重影響再生材料均勻性的橫縫。因此施工中盡量減少停機現(xiàn)象，在不可避免的情況下，應對所形成的橫縫進行重疊認真處理。處理橫向接縫時需要注意含水量，一般起刀落刀時含水量按正常減半。
The transverse joints formed due to the start or end of each construction are discontinuous. Each shutdown, even if it only takes a few minutes to replace the tanker and blade, will form a serious transverse seam that affects the uniformity of the recycled material. Therefore, during construction, the phenomenon of downtime should be minimized as much as possible. In unavoidable cases, the horizontal joints formed should be carefully overlapped and treated. When handling transverse joints, it is necessary to pay attention to the water content. Generally, the water content should be reduced by half when starting and falling the knife.
再生施工開始時，所有開始步驟建議嚴格依次進行，非常是水管的排氣程序。所有氣體建議在水到達噴灑桿前排除，如果排氣不當，有可能在再生施工開始的初幾米內(nèi)，混合料內(nèi)無水，從而導致路面內(nèi)出現(xiàn)非穩(wěn)定路段。
At the beginning of regeneration construction, all starting steps must be strictly followed in sequence, especially the exhaust procedure of the water pipe. All gases must be expelled before the water reaches the spray bar. If the exhaust is not done properly, there may be no water in the mixture within the first few meters of regeneration construction, leading to unstable road sections on the road surface.
在臨時停機后重新開始時，整個再生機組應該后退至少一個轉(zhuǎn)子直徑的距離既1.5-2米到達再生過的材料上。這將保證開始施工后所有材料均得到處理。
When restarting after a temporary shutdown, the entire regeneration unit should retreat at least one rotor diameter distance of 1.5-2 meters to reach the regenerated material. This will ensure that all materials are processed after the start of construction.
停機超過水泥初凝時間，再生機再次施工時，建議將整個再生機后退至再生過的路段1.5m的距離，并重新撒布水泥。橫縫問題只有當施工停止時才會出現(xiàn)。因此，再生機組好只能在罐車用空后或類似情況下才能停機。施工中盡量減少停機現(xiàn)象，好在每打完一段整幅路后再更換刀頭，以不影響后續(xù)工序的展開。
If the shutdown exceeds the initial setting time of the cement, and the regeneration machine is being constructed again, the entire regeneration machine must be retreated to a distance of 1.5m from the regenerated road section and the cement must be re spread. The problem of transverse joints only occurs when construction stops. Therefore, the regeneration unit can only be stopped after the tank truck is empty or in similar situations. During construction, minimize downtime as much as possible, and preferably replace the cutting head after completing each section of the entire road to avoid affecting the subsequent process.
再生拌和均勻后應色澤一致，沒有灰條、灰團和花面，即無明顯粗細料離析現(xiàn)象，且水分合適、均勻。每天冷再生施工結(jié)束時清洗刀頭一定要遠離當日施工段的路面進行，以防止洗刀水流入剛打完的路面結(jié)構(gòu)中造成人為軟基。更多相關事項可以隨時來我們網(wǎng)站http://www.kqj188.com咨詢！
After the regeneration and mixing are uniform, the color should be consistent, without gray bars, clusters, or flower surfaces, that is, there should be no obvious segregation of coarse and fine materials, and the moisture should be appropriate and uniform. At the end of cold recycling construction every day, the cleaning of the blade must be carried out far away from the road surface of the construction section on that day to prevent the water flow of the blade from entering the newly completed road structure and creating a soft foundation. For more related matters, please feel free to visit our website at any time http://www.kqj188.com consulting service
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