嵌入在地质材料中的智能石传感器的实验室规模评估
Syed Faizan Husain1, Mohammad Shoaib Abbas1, Han Wang1
1Department of Civil & Environmental Engineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA.
Sensors (Basel, Switzerland)
|May 11, 2024
概括
智能 Pebble 传感器提供了一种用于测量机械稳定聚合样本中的地质材料变形的新方法. 这些传感器准确地跟踪弹性行为和刚性增强,确认它们在地质工程应用中的可行性.
科学领域:
- 地质技术工程 地质技术工程
- 材料科学 材料科学 材料科学
- 传感器技术 传感器技术
背景情况:
- 地质材料变形监测对于基础设施的稳定性至关重要.
- 现有的测量内部变形的方法可能是有限的.
- 具有地质网的机械稳定聚合物具有复杂的应力-应变行为.
研究的目的:
- 引入和验证"智能石"传感器,用于测量与地质网稳定不结合的聚合物的变形.
- 评估智能小石块追踪弹性行为和局部度增强的能力.
- 为了比较智能石测量与传统杆元件传感器数据.
主要方法:
- 将Smart Pebble传感器集成到地质网稳定无结合聚合物的三轴测试样本中.
- 使用聚合粒子/位置跟踪算法与卡尔曼过用于传感器数据处理.
- 同时记录弹性变形和剪切波速度使用曲元件.
- 分析线性垂直加速趋势,用于地质材料配置和应力状态评估.
主要成果:
- 智能小石头成功跟踪了位置坐标,并指示了地质材料的配置和应力状态.
- 通过Smart Pebbles测量的弹性变形显示与杆元件传感器数据密切一致.
- 智能石有效量化地质网稳定样本中的局部刚度增强.
- 传感器展示了在重复加载下描述聚合材料弹性行为的能力.
结论:
- 智能石传感器为监测地质材料内部变形提供了一种可行的新方法.
- 传感器技术准确地捕捉了地质网稳定聚合物的弹性行为.
- 智能石为增强地质工程分析和设计提供了一个有前途的工具.
相关概念视频
01:22Toughness and Hardness of Aggregate
Toughness and hardness are critical properties of aggregate materials used in concrete, particularly on pavement surfaces and industrial flooring subjected to heavy loads. Toughness is defined as the aggregate's resistance to failure by impact and is measured by the aggregate impact value (AIV). For this, the aggregate impact value test is performed, wherein the impact is delivered by a standard hammer, which falls freely under its own weight onto the aggregates. The aggregates fragment in the...
01:12Non-destructive Tests for Concrete Strength
The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it to...
01:23Measurement of Air Content in Concrete
Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
The pressure method,...