冷再生机：旧路改造的环保先锋​

Cold Recycling Machine: Environmental Pioneer in Old Road Renovation

在济南的道路养护工程中，冷再生机备受青睐。以济南部分老旧道路的改造为例，过去传统的道路翻新方式往往将旧路面材料大量废弃，不仅造成资源浪费，还带来环境污染。而冷再生机的出现改变了这一局面。像济南一些道路施工项目中应用的冷再生机，能够在现场直接对旧沥青路面进行铣刨、破碎，并与新添加的水泥、乳化沥青等添加剂充分拌和，实现旧路面材料的就地再生利用。​

Cold recycling machines are highly favored in road maintenance projects in Jinan. Taking the renovation of some old roads in Jinan as an example, traditional road renovation methods in the past often resulted in a large amount of waste of old pavement materials, which not only caused resource waste but also environmental pollution. The emergence of cold recycling machines has changed this situation. Cold recycling machines used in some road construction projects in Jinan can directly mill and crush old asphalt pavements on site, and mix them thoroughly with newly added additives such as cement and emulsified asphalt, achieving on-site recycling of old pavement materials. ​

这种设备的工作原理并不复杂，却极具实用价值。其强大的转子刀具高速旋转，将旧路面材料切碎，同时通过精确的喷洒系统，按照设定比例添加添加剂，再经搅拌装置充分混合，形成性能优良的再生混合料，可直接用于道路基层或底基层的铺设。这不仅大大节省了新材料的采购成本，减少了废弃物的运输与处理费用，还显著缩短了施工周期，降低了对交通的影响。据统计，采用冷再生技术施工，相比传统工艺，材料成本可降低约 30% - 50%，施工时间缩短 20% - 40%。​

The working principle of this device is not complicated, but it has great practical value. Its powerful rotor cutting tool rotates at high speed, shredding old road surface materials. At the same time, additives are added according to the set ratio through a precise spraying system, and then thoroughly mixed by a mixing device to form a high-performance recycled mixture, which can be directly used for paving road base or subbase. This not only greatly saves the procurement cost of new materials, reduces the transportation and disposal costs of waste, but also significantly shortens the construction period and reduces the impact on traffic. According to statistics, using cold recycling technology for construction can reduce material costs by about 30% -50% and shorten construction time by 20% -40% compared to traditional processes. ​

压路机：夯实道路根基的中坚力量​

Roller: the backbone of consolidating the foundation of the road

道路的压实度直接关系到其使用寿命和行车安全，而压路机就是保障压实效果的关键设备。在济南的众多道路施工现场，无论是宽阔的城市主干道，还是蜿蜒的乡村小道，都能看到压路机忙碌的身影。山推作为知名的工程机械品牌，其生产的压路机在济南市场占有率颇高。​

The compaction degree of the road is directly related to its service life and driving safety, and the roller is the key equipment to ensure the compaction effect. At numerous road construction sites in Jinan, whether it is wide urban main roads or winding rural paths, the busy figure of road rollers can be seen. Shantui, as a well-known engineering machinery brand, has a high market share in Jinan for its road rollers. ​

山推压路机类型丰富，涵盖了振动压路机、轮胎压路机等多种机型。振动压路机通过自身的振动装置，产生高频振动，使被压实材料颗粒间的摩擦力减小，颗粒重新排列，从而达到紧密压实的效果，适用于压实各类路基材料和沥青混凝土路面。轮胎压路机则凭借其多个充气轮胎的柔性施压，对路面进行揉搓压实，能有效消除路面的轮迹，使路面更加平整，常用于沥青路面的终压工序。在济南某大型桥梁引道工程中，山推大型振动压路机在对路基进行压实作业时，严格按照先静压、后弱振、再强振的操作流程，确保路基压实度达到设计标准，为后续路面铺设奠定了坚实基础。​

Mountain roller has a wide range of types, including vibratory rollers, tire rollers, and other models. The vibratory roller generates high-frequency vibration through its own vibration device, reducing the friction between the particles of the compacted material, rearranging the particles, and achieving a tight compaction effect. It is suitable for compacting various types of roadbed materials and asphalt concrete pavements. The tire roller relies on the flexible pressure of its multiple inflatable tires to knead and compact the road surface, effectively eliminating wheel marks and making the road surface smoother. It is commonly used in the final compaction process of asphalt pavement. In a large bridge approach road project in Jinan, the Shantui large vibratory roller strictly followed the operation process of static pressure first, weak vibration later, and strong vibration when compacting the roadbed, ensuring that the roadbed compaction degree met the design standards and laying a solid foundation for subsequent pavement laying. ​

铣刨机：路面病害的 “手术医生”​

Milling machine: the "surgeon" for road surface diseases

随着交通流量的日益增大，路面难免出现各种病害，如车辙、坑槽、拥包等。铣刨机就如同一位专业的 “手术医生”，对受损路面进行精准修复。在济南的城市道路日常维护中，铣刨机发挥着重要作用。当遇到路面出现局部病害时，铣刨机可根据病害的严重程度和范围，精确调整铣刨深度和宽度，将受损的路面面层铣刨掉，然后重新铺设新的沥青混合料，恢复路面的平整度和行车舒适性。​

With the increasing traffic flow, various road surface diseases such as ruts, potholes, and bumps are inevitable. A milling machine is like a professional 'surgeon', performing precise repairs on damaged road surfaces. In the daily maintenance of urban roads in Jinan, milling machines play an important role. When encountering local road surface defects, the milling machine can accurately adjust the milling depth and width according to the severity and scope of the defects, mill off the damaged road surface layer, and then re lay new asphalt mixture to restore the smoothness and driving comfort of the road surface. ​

济南市场上常见的铣刨机有小型铣刨机和大型铣刨机。小型铣刨机灵活性高，适用于狭窄街道、人行道等小型区域的路面铣刨作业，如在济南老城区的一些街道翻新工程中，小型铣刨机能够在有限的空间内高效作业，对局部病害进行快速处理。大型铣刨机则具备强大的铣刨能力，可用于大面积路面的铣刨施工，如城市主干道的大规模翻新工程。例如，在济南某条交通繁忙的主干道翻新项目中，大型铣刨机每天能够铣刨数万平方米的路面，大大提高了施工效率。​

The common milling machines in the Jinan market include small milling machines and large milling machines. Small milling machines have high intelligence and activity, and are suitable for road milling operations in narrow streets, sidewalks, and other small areas. For example, in some street renovation projects in the old city area of Jinan, small milling machines can efficiently operate in limited spaces and quickly deal with local diseases. Large milling machines have powerful milling capabilities and can be used for milling construction on large road surfaces, such as large-scale renovation projects on urban main roads. For example, in the renovation project of a busy main road in Jinan, a large milling machine can mill tens of thousands of square meters of road surface every day, greatly improving construction efficiency. ​

摊铺机：打造平整路面的 “艺术家”​

Paver: the 'artist' who creates smooth road surfaces

摊铺机负责将沥青混合料或水泥稳定碎石等材料均匀地摊铺在路面基层上，是决定路面平整度的关键设备。在济南的道路建设项目中，摊铺机的应用极为广泛。从高速公路到城市道路，摊铺机如同一位精心创作的 “艺术家”，将各种材料精准地铺设成平整的路面。​

The paver is responsible for evenly spreading asphalt mixture or cement stabilized crushed stone and other materials on the road base, and is a key equipment that determines the smoothness of the road surface. The application of pavers is extremely widespread in road construction projects in Jinan. From highways to city roads, pavers are like carefully crafted "artists", accurately laying various materials into smooth road surfaces. ​

济南市场上的摊铺机品牌众多，不同品牌的摊铺机在性能和适用场景上各有特点。一些高端摊铺机配备了先进的自动找平系统，能够通过传感器实时监测路面平整度，并自动调整摊铺机的熨平板高度，确保摊铺出的路面误差控制在极小范围内。在济南新城区的一条高标准道路建设中，采用了具有高精度自动找平功能的摊铺机，摊铺后的路面平整度达到了行业领先水平，为行车提供了舒适、安全的条件。

There are many brands of pavers in the Jinan market, and different brands of pavers have their own characteristics in terms of performance and applicable scenarios. Some high-end pavers are equipped with advanced automatic leveling systems that can monitor road surface smoothness in real time through sensors and automatically adjust the height of the paver's screed plate to ensure that the error of the paved road surface is controlled within a very small range. In the construction of a high standard road in the new urban area of Jinan, a paving machine with high-precision automatic leveling function was used, and the road surface smoothness after paving reached the industry-leading level, providing comfortable and safe conditions for driving.

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