嵌入式无线传感器用于现场混凝土内部相对湿度监测
Tai Ikumi1,2, Ignasi Cairó3, Jan Groeneveld3
1Smart Engineering Ltd., 08006 Barcelona, Spain.
Sensors (Basel, Switzerland)
|March 28, 2024
概括
一个新的无线传感器准确地测量了混凝土.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 传感器技术 传感器技术
背景情况:
- 混凝土的水分含量对其机械性能,热性能和长期耐用性至关重要.
- 监测内部具体条件的传统方法可能具有侵入性或范围有限.
- 对混凝土内部环境的持续实时数据对于质量控制至关重要.
研究的目的:
- 引入和验证一种全新的,完全嵌入的无线传感器,用于持续监测混凝土内部的温度和相对湿度.
- 为了比较新的无线传感器与基于商业钻井系统的性能.
- 为了证明传感器在混凝土固化过程中检测变化的可靠性.
主要方法:
- 开发了一个完全嵌入式的无线传感器系统,并与自动数据采集系统连接.
- 在2.5厘米和4.0厘米的深度进行了相对湿度测量.
- 在受控的烤箱干燥和潮湿的室内条件下,与商用钻井传感器系统进行了对比分析.
主要成果:
- 这种新型无线传感器提供了与商业钻井系统相比的一致的内部相对湿度测量.
- 两种传感器系统都显示了与应用的暴露条件 (干燥和加湿) 保持一致的测量结果.
- 无线传感器在温度波动期间表现出可靠性,有效地实时检测到意外的固化变化.
结论:
- 完全嵌入式无线传感器为内部混凝土监测提供了传统钻井方法的实用和可靠的替代方案.
- 持续监控能力有助于改善混凝土质量控制,管理收缩,确保表面完整.
- 开发的传感器技术有助于实时检测固化变化,从而可以及时进行施工管理干预.
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