1. 酒精燃烧法（最常用现场快速法）

1. Alcohol combustion method (the most commonly used on-site rapid method)

这是施工现场最普遍采用的快速简易测定方法。派专人跟随冷再生机，随时检查拌合深度及混合料的含水量，通过现场取样并使用酒精燃烧法，可以在短时间内快速测定出混合料的实际含水量，从而指导操作员根据情况及时调整加水量。

This is the most commonly used fast and easy measurement method on construction sites. Assign a dedicated person to follow the cold regeneration machine and check the mixing depth and moisture content of the mixture at any time. By taking samples on site and using the alcohol combustion method, the actual moisture content of the mixture can be quickly determined in a short period of time, guiding operators to adjust the water addition according to the situation in a timely manner.

2. 核子密度仪法（高效无损检测）

2. Nuclear density meter method (efficient non-destructive testing)

利用核子密度仪（如MC-3C等型号）可以在施工现场快速检测材料的压实度和含水率。该设备操作简便，检测一个点通常只需30秒钟或更短时间，工作效率是传统方法的数百倍，是目前唯一能够适应现代机械化施工要求的含水率检测手段。

The use of nuclear density meters (such as MC-3C models) can quickly detect the compaction degree and moisture content of materials on construction sites. This device is easy to operate and usually takes only 30 seconds or less to detect a point. Its work efficiency is hundreds of times higher than traditional methods, making it the only moisture content detection method that can meet the requirements of modern mechanized construction.

3. 快速水分测定仪（RMM）

3. Rapid Moisture Analyzer (RMM)

这是一种在建筑工地测定土壤和骨料含水量的常用设备，通常可在5分钟内快速测定出含水量。其工作原理是利用碳化钙（CaC?）与试样中的水分反应产生气体，通过测量腔室内的气体压力来显示含水量读数。

This is a commonly used equipment for measuring the moisture content of soil and aggregates on construction sites, which can usually quickly determine the moisture content within 5 minutes. Its working principle is to use calcium carbide (CaC?) to react with moisture in the sample to produce gas, and display the moisture content reading by measuring the gas pressure inside the chamber.

4. 智能在线监测技术

4. Intelligent online monitoring technology

随着施工技术的进步，部分先进的冷再生设备采用了单片机控制技术的自动加水装置。通过内置感应器实时监测再生混合料的含水率，与同步配合比测试资料进行数据匹配，从而计算出最佳水分分布比和加水量，实现含水量的智能化控制。

With the advancement of construction technology, some advanced cold recycling equipment has adopted automatic water adding devices controlled by single-chip microcontroller technology. By using built-in sensors to monitor the moisture content of the recycled mixture in real time and matching it with synchronous mix ratio test data, the optimal moisture distribution ratio and water addition amount can be calculated, achieving intelligent control of moisture content.

补充说明：标准基准方法

Supplementary explanation: Standard benchmark method

虽然上述方法能够满足现场的快速检测需求，但在工程规范中，烘干法才是测定含水率的标准方法。当快速检测结果与标准方法存在差异时，最终应以烘干法的测试结果为准。

Although the above methods can meet the rapid detection needs on site, the drying method is the standard method for determining moisture content in engineering specifications. When there is a discrepancy between the rapid detection results and the standard method, the final test results obtained by the drying method should prevail.

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