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.

冷再生機(jī)租賃主要的功能就在于粉碎與回收材料，它在全深式就地冷再生施工工藝操作中占據(jù)著主要的位置。冷再生機(jī)租賃可以粉碎、攪拌30cm厚度的瀝青路面及下臥層材料。在冷再生機(jī)設(shè)備中的滾筒中應(yīng)該裝置可以進(jìn)行替換的碳化鎢齒刀具，同時(shí)還應(yīng)裝有人力操作與自動操作的裝置，另外這一設(shè)備也應(yīng)可以有效的調(diào)節(jié)滾筒轉(zhuǎn)動速度，以此來適應(yīng)不同厚度材質(zhì)的粉碎與攪拌。

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沒有達(dá)到既定標(biāo)準(zhǔn)那么就需要讓其在通過干燥的過程中達(dá)到既定含水量標(biāo)準(zhǔn)，另外若再生材料過干，那么也需要補(bǔ)足水分。冷再生機(jī)就可以配備相應(yīng)的水噴頭對再生材料添加水分，在對再生材料粉碎以及攪拌的過程中也可以進(jìn)行水分的添加，同時(shí)在這時(shí)添加水分也能更好的進(jìn)行估計(jì)。

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.

當(dāng)在再生材料中添加穩(wěn)定劑時(shí)，若添加的穩(wěn)定劑為粉狀物，那么就需要定量攤鋪撒料。干粉穩(wěn)定劑可以在粉碎瀝青層路面時(shí)加入也可以在冷再生機(jī)攪拌再生材料之前加入。不夠粉狀物的穩(wěn)定劑會受到天氣因素的影響，另外在定量攤鋪撒料操作中也易于產(chǎn)生塵霧，對施工操作人員和環(huán)境有著極大的影響。當(dāng)穩(wěn)定劑為液體狀態(tài)加入到冷再生機(jī)中時(shí)，需要隨帶的計(jì)算機(jī)液體添加系統(tǒng)對各個液體添加量進(jìn)行精準(zhǔn)計(jì)算，同時(shí)也需要有一個與冷再生機(jī)前進(jìn)速度相關(guān)的正互鎖系統(tǒng)，從而使得液體穩(wěn)定劑的添加量跟隨著冷再生機(jī)運(yùn)行的變化而發(fā)生變化。

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.

當(dāng)冷再生機(jī)完成粉碎與攪拌融合任務(wù)后就需要運(yùn)用到平地機(jī)進(jìn)行鋪設(shè)與整形操作。在再生材料鋪設(shè)中對其鋪設(shè)的厚度有著嚴(yán)謹(jǐn)?shù)男枨?，因此在壓路機(jī)的選擇上就會偏重、大。因此經(jīng)過壓路機(jī)的作用能夠讓再生材料的鋪設(shè)更加的完整、自然，能夠圓滿完成自身所需要完成的任務(wù)量，以此保證所鋪設(shè)的路面能夠滿足使用需求，能夠承載預(yù)期設(shè)計(jì)時(shí)的載重、荷載。

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藝技術(shù)

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

首先要進(jìn)行施工放樣，檢查全深式就地冷再生相關(guān)機(jī)械設(shè)施設(shè)備的準(zhǔn)備情況，以及備料情況，接著再進(jìn)行定格操作、鋪設(shè)水泥，在這一步驟中需要對水泥的用量進(jìn)行細(xì)致的檢查。接著再使用冷再生機(jī)加水進(jìn)行攪拌工作，這一步驟也需要檢查水泥劑量與用水量，一定要按照規(guī)定的標(biāo)準(zhǔn)以及需求使用相關(guān)材料，當(dāng)攪拌完成后就將其鋪設(shè)至路面，通過使用羊角碾進(jìn)行初步碾壓，在碾壓過程中需要檢測厚度，厚度也需要按照相關(guān)要求進(jìn)行操作。接下來就使用平地機(jī)進(jìn)行壓平操作，這一步驟中需要補(bǔ)充灑水，同時(shí)施工人員要配合平地機(jī)進(jìn)行壓平操作，避免一些地方操作漏失。然后再運(yùn)用光輪壓路機(jī)對平地機(jī)壓過的路面進(jìn)行復(fù)壓，在復(fù)壓過后膠輪壓路機(jī)要最后再壓一次，同時(shí)在這個過程中要檢測路面各個指標(biāo)是否達(dá)到了設(shè)計(jì)要求。當(dāng)以上操作都符合操作規(guī)范與各項(xiàng)指標(biāo)后就需要將修復(fù)的這段瀝青路面安置安全防撞筒覆蓋土工布進(jìn)行養(yǎng)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.

在運(yùn)用全深式就地冷再生施工工藝時(shí)需要首先將機(jī)械設(shè)備配備好，按照施工過程中所需要運(yùn)用到的各項(xiàng)機(jī)械設(shè)備來按套配備，以此保證該工藝在施展時(shí)井然有序，避免手忙腳亂現(xiàn)象的發(fā)生。當(dāng)建設(shè)施工過程中所需的設(shè)施設(shè)備到位后就需要對所需要使用到的各種材料用量進(jìn)行計(jì)算。例如在水泥穩(wěn)定劑通過干粉狀加入時(shí)，應(yīng)先計(jì)算出所需要摻和多少數(shù)量的水泥。公式為:水泥用量(kg/㎡)=壓實(shí)厚度(m)×最大干容量(kg/m?)×壓實(shí)度(%)×水泥劑量(%)/(1+水泥劑量(%))。通過這一公式來計(jì)算水泥用量，再推算水泥穩(wěn)定劑用量。

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藝操作過程中還能夠運(yùn)用到一種預(yù)布材料，其中預(yù)布水泥需要對預(yù)布的長度進(jìn)行控制，以此保障冷再生機(jī)在攪拌再生材料時(shí)能夠正常運(yùn)行。另外也需要依據(jù)冷再生機(jī)的行駛速度以及路面坡度、橫坡的大小來確定預(yù)布的長度，在一般情況中預(yù)布長度為80~150m，最好在冷再生機(jī)攪拌再生材料的同時(shí)進(jìn)行撒布操作，避免過往車輛在行駛過程中車速過快帶動預(yù)布造成污染，從而也對材料造成一定的損失、浪費(fèi)。

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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