可持续的电磁原型用于检测建筑墙壁的内部恶化
Papa Pio Ascona García1, Marco Antonio Aguirre Camacho1, Elger Orlando Silva Barboza1
1Faculty of Engineering, Universidad Nacional Intercultural Fabiola Salazar Leguía de Bagua, Jirón Ancash 520, Bagua 01721, Amazonas, Peru.
Sensors (Basel, Switzerland)
|July 27, 2024
概括
这项研究开发了一种可持续的电磁原型,用于非破坏性检测内部墙壁恶化. 该设备有效地穿透建筑材料,为评估结构完整性提供安全和准确的方法.
科学领域:
- 工程 工程师 工程师 工程师
- 材料科学 材料科学 材料科学
- 非破坏性测试 不破坏性测试
背景情况:
- 评估内墙损坏通常需要破坏性方法,导致不确定性和成本增加.
- 需要使用非侵入性技术来评估建筑墙壁的内部状况.
研究的目的:
- 开发一种可持续的电磁原型,用于检测内部墙壁的恶化.
- 为了减轻与建筑结构的非破坏性评估相关的不确定性.
主要方法:
- 实验,开发和定量方法.
- 使用的电磁场属性:电感,电流,调制频率和功率.
- 在墙壁厚度<300毫米的混凝土,,泥,石膏和沙子样本上进行测试.
主要成果:
- 0.18μT的最佳磁场穿透了150mm的材料,密度为1.0-2.4g/cm3,孔径为11-60%.
- 对于电流和波的高确定系数 (R2 = 0.8914).
- 通过特定的线圈参数 (9.75厘米半径,19个转,AWG-25线) 实现了184μH的平均电感.
- 调制频率的信号范围在10-22 kHz之间.
结论:
- 该原型成功地检测到内部墙壁的恶化,而不是破坏性.
- 该系统显示了5%的低读取误差,信号反射在金属引导上.
- 电磁原型对操作人员和环境来说是安全的.
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