在道路维护与重建工程中，冷再生机以其高效、环保的特点，逐渐成为处理旧路面材料的重要设备。冷再生机通过特定的机械作用，将旧路面材料破碎、混合，并添加适量的再生剂和新骨料，形成新的路面基层或底基层。而在这个过程中，混合料配比精度的控制至关重要，它直接关系到再生层的质量和性能。那么，冷再生机是如何控制混合料配比精度的呢？

　　In road maintenance and reconstruction projects, cold recycling machines have gradually become important equipment for processing old pavement materials due to their high efficiency and environmental friendliness. The cold recycling machine crushes and mixes old pavement materials through specific mechanical actions, and adds appropriate amounts of recycling agents and new aggregates to form new pavement base or subbase. In this process, the control of the accuracy of the mixture ratio is crucial, as it directly affects the quality and performance of the regeneration layer. So, how does the cold recycling machine control the accuracy of the mixture ratio?

　　冷再生机在施工前，会对旧路面材料进行详细的取样与检测。这包括对铣刨混合料、水泥、碎石等原材料的取样，以及对其级配、强度等性能的试验。通过这些检测，可以了解旧路面材料的实际情况，为后续的配合比设计提供依据。同时，根据工程要求和旧路面材料的检测结果，冷再生机会进行配合比设计，确定水泥剂量、新添加料的比例等关键参数。这一步骤是控制混合料配比精度的基础，它确保了再生混合料能够满足设计强度和其他性能要求。

　　Before construction, the cold recycling machine will conduct detailed sampling and testing of the old pavement materials. This includes sampling of milling mix, cement, crushed stone and other raw materials, as well as testing of their grading, strength and other properties. Through these tests, the actual condition of the old pavement materials can be understood, providing a basis for subsequent mix design. At the same time, based on the engineering requirements and the testing results of the old pavement materials, the cold recycling machine will conduct mix design to determine key parameters such as cement dosage and the proportion of new additives. This step is the basis for controlling the accuracy of the mixture ratio, ensuring that the recycled mixture can meet the design strength and other performance requirements.

　　在施工过程中，冷再生机通过一系列精确的控制措施来确保混合料的配比精度。冷再生机严格控制拌和深度，确保旧路面材料被充分破碎和混合。拌和深度的均匀性对于混合料的均匀性和配比精度至关重要。冷再生机通过设专人跟随检查，及时调整拌和深度，避免了拌和不均匀或拌和深度不足的问题。

　　During the construction process, the cold recycling machine ensures the accuracy of the mixture ratio through a series of precise control measures. The cold recycling machine strictly controls the mixing depth to ensure that the old pavement materials are fully crushed and mixed. The uniformity of mixing depth is crucial for the uniformity and proportioning accuracy of the mixture. The cold recycling machine avoids problems such as uneven mixing or insufficient mixing depth by assigning a dedicated person to follow and inspect, and adjusting the mixing depth in a timely manner.

　　冷再生机还精确控制加水量。水是混合料中的重要组成部分，它影响着混合料的和易性、强度和耐久性。冷再生机根据混合料的最佳含水量进行加水，并通过专人跟随检查，确保含水量的准确性。在拌和过程中，如果含水量不足，冷再生机会及时补洒水，并进行再次拌和，使水分在混合料中分布均匀。

　　The cold regeneration machine also precisely controls the amount of water added. Water is an important component of a mixture, which affects its workability, strength, and durability. The cold regeneration machine adds water according to the optimal moisture content of the mixture, and is checked by a dedicated person to ensure the accuracy of the moisture content. During the mixing process, if the moisture content is insufficient, the cold regeneration machine will promptly sprinkle water and mix again to ensure even distribution of moisture in the mixture.

　　除了上述控制措施外，冷再生机还配备了先进的技术和设备来支持混合料的配比精度控制。例如，一些先进的冷再生机采用了骨料分级投料技术、乳化沥青分级喷洒技术、小流量三级供水喷洒技术等，这些技术有助于提高混合料的均匀性和配比精度。同时，智能控制技术的应用也大大提高了冷再生机的智能化和自动化水平。通过全电脑智能控制、故障自诊断等功能，冷再生机能够实现更精确的配比控制，提高了施工效率和质量。

　　In addition to the above control measures, the cold recycling machine is also equipped with advanced technology and equipment to support the precision control of the mixture ratio. For example, some advanced cold recycling technologies use aggregate grading feeding technology, emulsified asphalt grading spraying technology, small flow three-level water supply spraying technology, etc., which help improve the uniformity and proportioning accuracy of the mixture. At the same time, the application of intelligent control technology has greatly improved the intelligence and automation level of cold regeneration machines. Through fully computerized intelligent control, fault self diagnosis and other functions, the cold recycling machine can achieve more accurate proportioning control, improving construction efficiency and quality.

　　在施工过程中，冷再生机还会对混合料进行质量检测与调整。这包括对混合料的含水量、级配、无侧限抗压强度等指标进行检测。根据检测结果，可以及时调整施工参数和配合比，确保混合料的质量满足要求。如果发现混合料存在质量问题，如含水量不足、级配不合理等，冷再生机会及时进行相应的调整，以保证再生层的质量和性能。

　　During the construction process, the cold recycling machine will also perform quality inspection and adjustment on the mixture. This includes testing indicators such as moisture content, gradation, and unconfined compressive strength of the mixture. Based on the test results, construction parameters and mix proportions can be adjusted in a timely manner to ensure that the quality of the mixture meets the requirements. If quality problems are found in the mixture, such as insufficient moisture content, unreasonable grading, etc., the cold recycling machine will make corresponding adjustments in a timely manner to ensure the quality and performance of the recycled layer.

　　冷再生机通过材料准备与取样、配合比设计、施工过程中的精确控制、先进技术与设备的支持以及质量检测与调整等多个环节，来确保混合料的配比精度。这些措施共同作用，使得冷再生机能够生产出质量稳定、性能优良的再生混合料，为道路维护与重建工程提供了有力支持。

　　The cold recycling machine ensures the accuracy of the mixture ratio through multiple processes, including material preparation and sampling, mix design, precise control during construction, support from advanced technology and equipment, and quality inspection and adjustment. These measures work together to enable the cold recycling machine to produce high-quality and high-performance recycled mixtures, providing strong support for road maintenance and reconstruction projects.

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