成本节约：与传统的道路翻修方式相比，冷再生机租赁及施工极大地降低了成本。在济南的一些道路改造项目中，若采用传统方式，需先将旧路面材料全部铲除并运输指定地点处理，然后再重新购买新的路面材料进行铺设。这一过程不仅涉及高昂的材料采购费用，还包括大量的运输成本和废弃物处理成本。而冷再生技术直接利用旧路面材料，仅需添加少量结合料和新骨料（若有需要），据相关数据统计，采用冷再生技术可节省材料成本 30% - 50%，运输成本更是大幅降低，综合成本可节约 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：从角度来看，冷再生机租赁与应用具有不可忽视的积极意义。旧路面材料的大量废弃不仅占用宝贵的土地资源，还对环境造成潜在污染。冷再生技术实现了旧路面材料的就地循环利用，减少了新材料的开采，降低了能源消耗和碳排放。以济南某条长度为 5 的城市道路改造为例，采用冷再生技术可减少旧路面材料废弃量约 2 - 3 万立方米，相当于减少了同等体积材料的开采和运输过程中的碳排放，有效助力济南的绿色城市建设 。​

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：冷再生机具有的施工能力，能够快速完成旧路面的铣刨、拌和等作业工序。的冷再生机设备配备了大功率发动机和的铣刨刀具，铣刨宽度可达 2 - 4 米，铣刨深度能根据工程需求在 10 - 60 厘米范围内灵活调整。在正常施工条件下，一台冷再生机每天可完成数千的路面再生作业，大大缩短了施工周期。例如在济南的一些交通繁忙路段的养护工程中，快速施工能够减少对交通的长时间干扰，降低因道路施工带来的交通拥堵成本，保障城市交通的顺畅运行 。​

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. ​

质量可靠：冷再生后的路面基层或底基层，经过科学的配合比设计和严格的施工质量控制，能够达到与新建路面基层相当的强度和稳定性。通过添加合适的结合料，并利用冷再生机精确的拌和控制，使旧路面材料与新添加材料均匀混合，形成的再生结构层具有良好的整体性和板体性。在济南的部分道路工程实践中，经过冷再生处理的路面在长期的车辆荷载和自然环境作用下，表现出良好的抗变形能力和耐久性，有效延长了道路的使用寿命，减少了后期维护成本 。

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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