冷再生機(jī)租賃的黑科技：破碎調(diào)級配兩步走，舊路重生省百萬還減廢料

　　Black technology for leasing cold recycling machines: two-step approach of crushing, grading, and matching, old paths are regenerated, saving millions and reducing waste

　　在道路改造領(lǐng)域，冷再生機(jī)堪稱“舊路變新路”的核心利器，它無需大規(guī)模拆除舊路面、不用采購大量新集料，僅通過科學(xué)的破碎與調(diào)級配流程，就能讓廢舊水泥路面煥發(fā)新生。這一黑科技不僅能為項(xiàng)目省下百萬成本，還能從根源減少建筑垃圾，完美契合綠色基建的發(fā)展理念，而深度破碎及碾壓、二度破碎調(diào)級配正是其中最關(guān)鍵的兩大步驟。

　　In the field of road renovation, the cold recycling machine can be regarded as the core weapon of "old road to new road". It does not require large-scale demolition of old road surfaces or the purchase of large amounts of new aggregates. Only through scientific crushing and grading processes, it can rejuvenate waste cement road surfaces. This black technology not only saves millions of costs for the project, but also reduces construction waste from the root, perfectly fitting the development concept of green infrastructure. Deep crushing and compaction, as well as secondary crushing and grading, are the two most critical steps.

　　深度破碎及碾壓是冷再生施工中承接碎石化后的核心環(huán)節(jié)，其核心目標(biāo)是在不提高路面標(biāo)高的前提下，將舊水泥砼面板轉(zhuǎn)化為可用的再生集料。傳統(tǒng)施工中，舊路面破碎往往容易出現(xiàn)標(biāo)高上升、集料粒徑不均等問題，而冷再生技術(shù)通過灑水車與冷再生破碎機(jī)的協(xié)同作業(yè)，巧妙解決了這一痛點(diǎn)。施工時(shí)，灑水車先對路面進(jìn)行適度灑水，既能抑制破碎過程中產(chǎn)生的揚(yáng)塵，又能軟化路面表層，讓冷再生破碎機(jī)更高效地進(jìn)行破碎作業(yè)。破碎機(jī)根據(jù)舊路面破損情況，將水泥砼面板破碎成不同尺寸的集料，全程無需添加任何新料，完全依托舊路材料進(jìn)行再生，最大化實(shí)現(xiàn)資源循環(huán)利用。破碎完成后，對破碎面進(jìn)行碾壓處理，通過外力讓集料初步密實(shí)，形成穩(wěn)定的基礎(chǔ)骨架，為后續(xù)工序打下堅(jiān)實(shí)基礎(chǔ)。

　　Deep crushing and compaction are the core processes in cold recycling construction, which involve the conversion of old cement concrete panels into usable recycled aggregates without increasing the elevation of the road surface. In traditional construction, the breakage of old road surfaces often leads to problems such as elevation rise and uneven aggregate particle size. However, cold recycling technology cleverly solves this pain point through the collaborative operation of sprinkler trucks and cold recycling crushers. During construction, the sprinkler truck first sprays water moderately on the road surface, which can suppress the dust generated during the crushing process and soften the surface of the road, allowing the cold recycling crusher to carry out crushing operations more efficiently. The crusher crushes cement concrete panels into different sizes of aggregates based on the damage of the old road surface, without the need to add any new materials throughout the process. It relies entirely on old road materials for regeneration, maximizing resource recycling. After the crushing is completed, the crushed surface is subjected to rolling treatment, and the aggregate is initially compacted by external force to form a stable foundation skeleton, laying a solid foundation for subsequent processes.

　　二度破碎、調(diào)級配則是提升再生集料質(zhì)量的關(guān)鍵一步，直接決定后續(xù)再生基層的強(qiáng)度與穩(wěn)定性。經(jīng)過初次破碎的集料，粒徑分布可能仍不符合水穩(wěn)基層的要求，此時(shí)需采用水泥冷再生破碎機(jī)進(jìn)行二次破碎，通常破碎一到二遍，將過大的集料進(jìn)一步細(xì)化，確保集料粒徑均勻合理。破碎完成后，使用26噸壓路機(jī)對破碎面進(jìn)行一到二遍碾壓，一方面繼續(xù)壓實(shí)集料，另一方面通過碾壓過程中的集料相互摩擦、咬合，進(jìn)一步調(diào)整集料級配，讓不同粒徑的集料形成緊密的級配結(jié)構(gòu)——粗集料作為骨架提供支撐力，細(xì)集料填充空隙提升密實(shí)度，為后續(xù)添加水泥等添加劑后的拌和效果提供保障。這一步驟同樣無需添加新料，全程依賴舊路再生集料，既減少了新集料的開采與運(yùn)輸成本，又避免了舊料清運(yùn)帶來的環(huán)境污染，真正實(shí)現(xiàn)“變廢為寶”。

　　Secondary crushing and grading are key steps in improving the quality of recycled aggregates, which directly determine the strength and stability of the subsequent recycled base layer. After the initial crushing of the aggregate, the particle size distribution may still not meet the requirements of a water stable base layer. In this case, a cement cold recycling crusher needs to be used for secondary crushing, usually one or two times, to further refine the oversized aggregate and ensure that the aggregate particle size is uniform and reasonable. After the crushing is completed, a 26 ton roller is used to roll the crushed surface one to two times. On the one hand, the aggregate is continued to be compacted, and on the other hand, the aggregate gradation is further adjusted by friction and interlocking during the rolling process, so that different particle sizes of aggregate form a tight gradation structure - coarse aggregate serves as the skeleton to provide support, and fine aggregate fills the gaps to improve compactness, providing guarantee for the mixing effect after adding cement and other additives in the future. This step also does not require the addition of new materials, relying entirely on recycled aggregates from old roads, which not only reduces the cost of mining and transporting new aggregates, but also avoids environmental pollution caused by the removal of old materials, truly achieving the goal of "turning waste into treasure".

　　這兩大破碎流程的無縫銜接，充分彰顯了冷再生機(jī)的技術(shù)優(yōu)勢。與傳統(tǒng)施工方式相比，冷再生機(jī)通過“破碎-調(diào)級配”的一體化處理，讓舊路材料得到100%就地利用，省去了舊料清運(yùn)、新料采購運(yùn)輸?shù)确爆嵀h(huán)節(jié)，單此一項(xiàng)就能為項(xiàng)目節(jié)省數(shù)十萬甚至上百萬的成本。同時(shí)，全程無廢料產(chǎn)生，從根源上減少了建筑垃圾對環(huán)境的破壞，契合綠色施工的要求。此外，破碎與碾壓過程同步推進(jìn)，施工效率遠(yuǎn)高于傳統(tǒng)方式，大幅縮短了工期，減少了對交通通行的影響。

　　The seamless connection between these two crushing processes fully demonstrates the technological advantages of cold recycling machines. Compared with traditional construction methods, the cold recycling machine achieves 100% on-site utilization of old road materials through the integrated processing of "crushing leveling and matching", eliminating the tedious links of old material transportation and new material procurement. This alone can save hundreds of thousands or even millions of costs for the project. At the same time, there is no waste generated throughout the process, which fundamentally reduces the damage of construction waste to the environment and meets the requirements of green construction. In addition, the crushing and compaction processes are carried out synchronously, resulting in a much higher construction efficiency than traditional methods, significantly shortening the construction period and reducing the impact on traffic flow.

　　道路施工實(shí)用建議

　　Practical suggestions for road construction

　　采用冷再生機(jī)進(jìn)行破碎與調(diào)級配施工時(shí)，需提前對舊路面的破損程度、厚度等進(jìn)行詳細(xì)勘察，根據(jù)實(shí)際情況調(diào)整破碎機(jī)的破碎力度與頻率，確保集料粒徑符合設(shè)計(jì)要求；灑水車灑水時(shí)需控制好灑水量，避免路面過濕導(dǎo)致集料結(jié)塊，或過干產(chǎn)生大量揚(yáng)塵；碾壓過程中需控制壓路機(jī)的行進(jìn)速度與碾壓力度，26噸壓路機(jī)的碾壓次數(shù)需根據(jù)集料密實(shí)度情況靈活調(diào)整，確保碾壓效果達(dá)標(biāo)；施工過程中需安排專人實(shí)時(shí)監(jiān)測集料粒徑與級配情況，一旦發(fā)現(xiàn)不符合要求，及時(shí)調(diào)整破碎或碾壓參數(shù)，保障再生集料質(zhì)量。

　　When using a cold recycling machine for crushing and grading construction, it is necessary to conduct a detailed survey of the degree of damage and thickness of the old road surface in advance, adjust the crushing force and frequency of the crusher according to the actual situation, and ensure that the aggregate particle size meets the design requirements; When watering with a sprinkler truck, it is necessary to control the amount of water sprayed to avoid the accumulation of aggregates due to excessive moisture on the road surface or the generation of large amounts of dust due to excessive dryness; During the rolling process, it is necessary to control the walking speed and rolling pressure of the roller. The rolling frequency of the 26 ton roller should be flexibly adjusted according to the compactness of the aggregate to ensure that the rolling effect meets the standard; During the construction process, a dedicated person should be arranged to monitor the particle size and grading of the aggregate in real time. Once any non-compliance is found, the crushing or rolling parameters should be adjusted in a timely manner to ensure the quality of the recycled aggregate.

　　冷再生機(jī)的破碎與調(diào)級配技術(shù)，不僅讓舊路材料實(shí)現(xiàn)了高效循環(huán)利用，更以“低成本、低污染、高效率”的優(yōu)勢，革新了道路改造的施工模式。這一黑科技正在讓越來越多的廢舊路面重獲新生，既為基建項(xiàng)目節(jié)省了大量成本，又為環(huán)境保護(hù)貢獻(xiàn)了力量，成為現(xiàn)代道路施工領(lǐng)域不可或缺的核心技術(shù)。若需了解更多冷再生施工的后續(xù)工序或設(shè)備選型建議，可關(guān)注相關(guān)分享或咨詢專業(yè)技術(shù)團(tuán)隊(duì)。

　　The crushing and grading technology of cold recycling machines not only enables efficient recycling of old road materials, but also innovates the construction mode of road renovation with the advantages of "low cost, low pollution, and high efficiency". This black technology is revitalizing more and more abandoned road surfaces, saving a lot of costs for infrastructure projects and contributing to environmental protection, becoming an indispensable core technology in the field of modern road construction. If you need to learn more about the follow-up processes or equipment selection suggestions for cold recycling construction, you can follow the relevant sharing or consult a professional technical team.

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