成本節約：與傳統的道路翻修方式相比，冷再生機租賃及施工極大地降低了成本。在濟南的一些道路改造項目中，若采用傳統方式，需先將舊路面材料全部鏟除并運輸指定地點處理，然后再重新購買新的路面材料進行鋪設。這一過程不僅涉及高昂的材料采購費用，還包括大量的運輸成本和廢棄物處理成本。而冷再生技術直接利用舊路面材料，僅需添加少量結合料和新骨料（若有需要），據相關數據統計，采用冷再生技術可節省材料成本 30% - 50%，運輸成本更是大幅降低，綜合成本可節約 20% - 40% 。?

Cost savings: Compared with traditional road renovation methods, leasing and construction of cold recycling machines greatly reduce costs. In some road renovation projects in Jinan, if traditional methods are used, the old pavement materials need to be completely removed and transported to designated locations for processing, and then new pavement materials need to be purchased for paving. This process not only involves high material procurement costs, but also includes significant transportation and waste disposal costs. Cold recycling technology directly utilizes old pavement materials, requiring only a small amount of binder and new aggregates (if needed). According to relevant data statistics, using cold recycling technology can save material costs by 30% to 50%, significantly reduce transportation costs, and save comprehensive costs by 20% to 40%. ?

效益突出：從角度來看，冷再生機租賃與應用具有不可忽視的積極意義。舊路面材料的大量廢棄不僅占用寶貴的土地資源，還對環境造成潛在污染。冷再生技術實現了舊路面材料的就地循環利用，減少了新材料的開采，降低了能源消耗和碳排放。以濟南某條長度為 5 的城市道路改造為例，采用冷再生技術可減少舊路面材料廢棄量約 2 - 3 萬立方米，相當于減少了同等體積材料的開采和運輸過程中的碳排放，有效助力濟南的綠色城市建設 。?

Outstanding environmental benefits: From an environmental perspective, the leasing and application of cold recycling machines have significant positive implications that cannot be ignored. The massive disposal of old road surface materials not only occupies valuable land resources, but also poses potential pollution to the environment. Cold recycling technology realizes the on-site recycling of old pavement materials, reduces the extraction of new materials, and lowers energy consumption and carbon emissions. Taking the renovation of a 5-kilometer-long urban road in Jinan as an example, the use of cold recycling technology can reduce the waste of old pavement materials by about 20000 to 30000 cubic meters, which is equivalent to reducing carbon emissions during the mining and transportation of materials of the same volume, effectively helping Jinan's green city construction. ?

施工效率提升：冷再生機具有的施工能力，能夠快速完成舊路面的銑刨、拌和等作業工序。的冷再生機設備配備了大功率發動機和的銑刨刀具，銑刨寬度可達 2 - 4 米，銑刨深度能根據工程需求在 10 - 60 厘米范圍內靈活調整。在正常施工條件下，一臺冷再生機每天可完成數千的路面再生作業，大大縮短了施工周期。例如在濟南的一些交通繁忙路段的養護工程中，快速施工能夠減少對交通的長時間干擾，降低因道路施工帶來的交通擁堵成本，保障城市交通的順暢運行 。?

Construction efficiency improvement: The cold recycling machine has efficient construction capabilities and can quickly complete the milling, mixing and other work processes of the old road surface. The advanced cold regeneration equipment is equipped with high-power engines and efficient milling tools. The milling width can reach 2-4 meters, and the milling depth can be flexibly adjusted within the range of 10-60 centimeters according to engineering requirements. Under normal construction conditions, a cold recycling machine can complete thousands of square meters of road surface recycling operations per day, greatly shortening the construction period. For example, in the maintenance projects of some busy traffic sections in Jinan, rapid construction can reduce long-term interference with traffic, lower the cost of traffic congestion caused by road construction, and ensure the smooth operation of urban traffic. ?

質量可靠：冷再生后的路面基層或底基層，經過科學的配合比設計和嚴格的施工質量控制，能夠達到與新建路面基層相當的強度和穩定性。通過添加合適的結合料，并利用冷再生機精確的拌和控制，使舊路面材料與新添加材料均勻混合，形成的再生結構層具有良好的整體性和板體性。在濟南的部分道路工程實踐中，經過冷再生處理的路面在長期的車輛荷載和自然環境作用下，表現出良好的抗變形能力和耐久性，有效延長了道路的使用壽命，減少了后期維護成本 。

Reliable quality: After cold recycling, the pavement base or subbase can achieve strength and stability comparable to newly built pavement base through scientific mix design and strict construction quality control. By adding appropriate binders and using a cold recycling machine for precise mixing control, the old pavement material is uniformly mixed with the newly added material, forming a recycled structural layer with good integrity and flatness. In some road engineering practices in Jinan, the road surface treated with cold recycling exhibits good deformation resistance and durability under long-term vehicle loads and natural environmental effects, effectively extending the service life of the road and reducing maintenance costs in the later stage.

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