When using the full depth on-site cold regeneration construction process, there is no need to use large mechanical equipment. The main mechanical equipment used includes regeneration equipment, stabilizer adding equipment, graders, and rollers.

冷再生机租赁主要的功能就在于粉碎与回收材料，它在全深式就地冷再生施工工艺操作中占据着主要的位置。冷再生机租赁可以粉碎、搅拌30cm厚度的沥青路面及下卧层材料。在冷再生机设备中的滚筒中应该装置可以进行替换的碳化钨齿刀具，同时还应装有人力操作与自动操作的装置，另外这一设备也应可以有效的调节滚筒转动速度，以此来适应不同厚度材质的粉碎与搅拌。

The main function of cold recycling machine leasing is to crush and recycle materials, which occupies a major position in the operation of the full depth on-site cold recycling construction process. The cold recycling machine rental can crush and mix asphalt pavement and underlying layer materials with a thickness of 30cm. In the cold regeneration equipment, tungsten carbide toothed cutting tools that can be replaced should be installed in the drum, and manual and automatic operation devices should also be installed. In addition, this equipment should be able to effectively adjust the rotation speed of the drum to adapt to the crushing and mixing of materials with different thicknesses.

另外再生材料中若含水量没有达到既定标准那么就需要让其在通过干燥的过程中达到既定含水量标准，另外若再生材料过干，那么也需要补足水分。冷再生机就可以配备相应的水喷头对再生材料添加水分，在对再生材料粉碎以及搅拌的过程中也可以进行水分的添加，同时在这时添加水分也能更好的进行估计。

In addition, if the moisture content of recycled materials does not meet the established standards, it is necessary to make them meet the established moisture content standards during the drying process. In addition, if the recycled materials are too dry, it is also necessary to replenish the moisture. The cold regeneration machine can be equipped with corresponding water nozzles to add water to the recycled material. During the process of crushing and stirring the recycled material, water can also be added, and adding water at this time can also better estimate.

当在再生材料中添加稳定剂时，若添加的稳定剂为粉状物，那么就需要定量摊铺撒料。干粉稳定剂可以在粉碎沥青层路面时加入也可以在冷再生机搅拌再生材料之前加入。不够粉状物的稳定剂会受到天气因素的影响，另外在定量摊铺撒料操作中也易于产生尘雾，对施工操作人员和环境有着极大的影响。当稳定剂为液体状态加入到冷再生机中时，需要随带的计算机液体添加系统对各个液体添加量进行精准计算，同时也需要有一个与冷再生机前进速度相关的正互锁系统，从而使得液体稳定剂的添加量跟随着冷再生机运行的变化而发生变化。

When adding stabilizers to recycled materials, if the added stabilizers are in powder form, then a quantitative spreading of the material is required. Dry powder stabilizer can be added during the crushing of asphalt layer pavement or before the cold recycling machine mixes the recycled material. Insufficient stabilizer for powdery materials can be affected by weather factors, and in addition, it is prone to generate dust and mist during quantitative paving and spreading operations, which has a great impact on construction operators and the environment. When the stabilizer is added to the cold regeneration machine in a liquid state, the accompanying computer liquid addition system needs to accurately calculate the amount of each liquid added, and there is also a positive interlock system related to the forward speed of the cold regeneration machine, so that the amount of liquid stabilizer added changes with the operation of the cold regeneration machine.

当冷再生机完成粉碎与搅拌融合任务后就需要运用到平地机进行铺设与整形操作。在再生材料铺设中对其铺设的厚度有着严谨的需求，因此在压路机的选择上就会偏重、大。因此经过压路机的作用能够让再生材料的铺设更加的完整、自然，能够圆满完成自身所需要完成的任务量，以此保证所铺设的路面能够满足使用需求，能够承载预期设计时的载重、荷载。

After the cold regeneration machine completes the task of crushing and mixing fusion, it needs to be applied to the grader for laying and shaping operations. In the laying of recycled materials, there is a strict demand for their thickness, so the selection of rollers will be biased and large. Therefore, through the action of a roller, the laying of recycled materials can be more complete and natural, and the required amount of tasks can be successfully completed. This ensures that the paved road surface can meet the usage requirements and bear the expected design load and load.

(3)全深式就地冷再生施工工艺技术

(3) Full depth on-site cold regeneration construction technology

要进行施工放样，检查全深式就地冷再生相关机械设施设备的准备情况，以及备料情况，接着再进行定格操作、铺设水泥，在这一步骤中需要对水泥的用量进行细致的检查。接着再使用冷再生机加水进行搅拌工作，这一步骤也需要检查水泥剂量与用水量，一定要按照规定的标准以及需求使用相关材料，当搅拌完成后就将其铺设路面，通过使用羊角碾进行初步碾压，在碾压过程中需要检测厚度，厚度也需要按照相关要求进行操作。接下来就使用平地机进行压平操作，这一步骤中需要补充洒水，同时施工人员要配合平地机进行压平操作，避免一些地方操作漏失。然后再运用光轮压路机对平地机压过的路面进行复压，在复压过后胶轮压路机要再压一次，同时在这个过程中要检测路面各个指标是否达到了设计要求。当以上操作都符合操作规范与各项指标后就需要将修复的这段沥青路面安置防撞筒覆盖土工布进行养生，以便之后更好的投入到使用中。

Firstly, construction layout should be carried out to check the preparation status of mechanical facilities and equipment related to full depth on-site cold regeneration, as well as the preparation status of materials. Then, the freezing operation and laying of cement should be carried out. In this step, a detailed inspection of the cement dosage is required. Next, use a cold recycling machine to add water for mixing work. This step also requires checking the cement dosage and water consumption. It is necessary to use relevant materials according to the specified standards and requirements. After mixing is completed, it is laid on the road surface and preliminary rolling is carried out using a sheep horn roller. During the rolling process, the thickness needs to be tested and operated according to relevant requirements. Next, use a land leveler for flattening operation. In this step, additional watering is required, and construction personnel should cooperate with the land leveler for flattening operation to avoid missing operations in some areas. Then, a smooth wheel roller is used to re press the road surface that has been pressed by the grader. After re pressing, the rubber wheel roller needs to perform a final press, and during this process, it is necessary to check whether the various indicators of the road surface meet the design requirements. After all the above operations comply with the operating specifications and various indicators, it is necessary to place a safety anti-collision cylinder on the repaired asphalt pavement and cover it with geotextile for health preservation, in order to better put it into use in the future.

在运用全深式就地冷再生施工工艺时需要将机械设备配备好，按照施工过程中所需要运用到的各项机械设备来按套配备，以此保证该工艺在施展时井然有序，避免手忙脚乱现象的发生。当建设施工过程中所需的设施设备到位后就需要对所需要使用到的各种材料用量进行计算。例如在水泥稳定剂通过干粉状加入时，应先计算出所需要掺和多少数量的水泥。公式为:水泥用量(kg/㎡)=压实厚度(m)×干容量(kg/m?)×压实度(%)×水泥剂量(%)/(1+水泥剂量(%))。通过这一公式来计算水泥用量，再推算水泥稳定剂用量。

When using the full depth on-site cold regeneration construction process, it is necessary to first equip the mechanical equipment according to the various mechanical equipment required during the construction process, in order to ensure that the process is carried out in an orderly manner and avoid the occurrence of confusion. After the necessary facilities and equipment are in place during the construction process, it is necessary to calculate the amount of various materials needed. For example, when adding cement stabilizers in a dry powder form, the required amount of cement should be calculated first. The formula is: cement dosage (kg/㎡)=compacted thickness (m) × Maximum dry capacity (kg/m?) × Compaction degree (%) × Cement dosage (%)/(1+cement dosage (%)). Calculate the cement dosage using this formula, and then calculate the cement stabilizer dosage.

在全深式就地冷再生施工工艺操作过程中还能够运用到一种预布材料，其中预布水泥需要对预布的长度进行控制，以此保障冷再生机在搅拌再生材料时能够正常运行。另外也需要依据冷再生机的行驶速度以及路面坡度、横坡的大小来确定预布的长度，在一般情况中预布长度为80~150m，在冷再生机搅拌再生材料的同时进行撒布操作，避免过往车辆在行驶过程中车速过快带动预布造成污染，从而也对材料造成一定的损失、浪费。

In the process of fully deep on-site cold recycling construction, a pre laid material can also be used, in which the length of the pre laid cement needs to be controlled to ensure the normal operation of the cold recycling machine when mixing the recycled material. In addition, the length of pre distribution also needs to be determined based on the driving speed of the cold recycling machine, as well as the size of the road slope and cross slope. In general, the pre distribution length is 80-150 meters. It is best to carry out the distribution operation while the cold recycling machine is stirring the recycled material to avoid pollution caused by passing vehicles driving too fast during the process, which also causes certain losses and waste of materials.

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