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利用微波技术快速测定土的含水率是近年来出现的一种新的快速测定含水率的方法。该方法在测定土的含水率时比常规烘干法节省时间、节约能源、能够提高工作效率,对加快工程建设进度及确保施工质量具有重要作用。本文介绍了微波炉法测定土的含水率的具体方法,得出用微波炉法测定土的含水率时所需要的时间、取样量及含水率适用范围,并与常规烘箱烘干法测定土样含水率做了对比、修正试验。通过试验表明微波炉法测定土的含水率是可行的,能够满足工程需求。
The rapid determination of moisture content of soil using microwave technology is a new and rapid method for determining water content in recent years. Compared with the conventional drying method, the method saves time, saves energy and improves working efficiency when determining the soil moisture content, and plays an important role in speeding up the construction progress and ensuring the construction quality. This paper introduces the microwave oven method for measuring soil moisture content of specific methods, obtained by microwave oven method for the determination of soil moisture content of the time required, the sampling volume and the scope of application of moisture content, and conventional oven drying method for the determination of soil moisture content Made a comparison, revised test. Experiments show that it is feasible to determine the moisture content of soil by microwave oven method, which can meet the engineering requirements.