Distributed Sensors for Damage Detection and Health Monitoring of Civil Infrastructure
用于民用基础设施损坏检测和健康监测的分布式传感器
基本信息
- 批准号:0200381
- 负责人:
- 金额:$ 14万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2002
- 资助国家:美国
- 起止时间:2002-08-15 至 2004-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The primary objectives of this project are to understand the sensitivity of a newly designed sensor for strain measurement and crack detection in reinforced concrete (RC) structures, to validate its performance by testing of a large-scale structure, and to compare its performance and cost with those of distributed fiber-optic sensors. A new coaxial cable (distributed sensor) is developed to meet the critical requirements for high sensitivity and resolution, low cost, and ruggedness in the structural health monitoring of civil infrastructure. The new sensor improves the sensitivity of commercial communication cables for the crack detection of RC members using more flexible and more permeable dielectric layer between inner and outer conductors. An additional load transfer mechanism is included to alter the direction of external disturbance from longitudinal deformation to transverse crushing, resulting in more sensitive measurement in reflection coefficient of the cable under tension. Several sensors are designed and fabricated in-house, calibrated with standard instruments, and finally validated with a large-scale beam-column assembly for its superior performance. The project involves multidisciplinary and US-Japan collaboration. It will be a showcase to K-12 students as part of the high school students summer program at UMR.
该项目的主要目标是了解一种新设计的传感器的应变测量和裂缝检测在钢筋混凝土(RC)结构的灵敏度,验证其性能的大型结构的测试,并比较其性能和成本与分布式光纤传感器。 为满足民用基础设施结构健康监测对高灵敏度、高分辨率、低成本、高强度的要求,研制了一种新型同轴电缆(分布式传感器)。 新的传感器提高了商业通信电缆的灵敏度,用于内部和外部导体之间使用更灵活和更可渗透的介电层的RC构件的裂缝检测。 另外还增加了一个载荷传递机构,将外部干扰的方向从纵向变形改变为横向挤压,从而使测量张力下电缆反射系数的灵敏度更高。 几个传感器是在内部设计和制造的,用标准仪器校准,最后用大型梁柱组件验证其上级性能。 该项目涉及多学科和美日合作。这将是一个展示给K-12学生作为在UMR高中学生暑期课程的一部分。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Genda Chen其他文献
Real-time condition assessment of the Bill Emerson cable-stayed bridge using artificial neural networks
使用人工神经网络对比尔艾默生斜拉桥进行实时状态评估
- DOI:
10.1117/12.715244 - 发表时间:
2007 - 期刊:
- 影响因子:0
- 作者:
Wenjian Wang;Genda Chen;B. Hartnagel - 通讯作者:
B. Hartnagel
Fatigue Assessment of Traffic Signal Mast Arms Based on Field Test Data Under Natural Wind Gusts
基于自然阵风现场试验数据的交通信号杆臂疲劳评估
- DOI:
- 发表时间:
2001 - 期刊:
- 影响因子:0
- 作者:
Genda Chen;Jingning Wu;Jiaqing Yu;L. Dharani;M. Barker - 通讯作者:
M. Barker
Coaxial Cable Sensors and Sensing Instrument for Crack Detection in Bridge Structures -- Phase I: Field Qualification/Validation Planning
用于桥梁结构裂缝检测的同轴电缆传感器和传感仪器——第一阶段:现场鉴定/验证计划
- DOI:
- 发表时间:
2009 - 期刊:
- 影响因子:0
- 作者:
Genda Chen;Fujian Tang;Zhi Zhou - 通讯作者:
Zhi Zhou
Class-wise histogram matching-based domain adaptation in deep learning-based bridge element segmentation
- DOI:
10.1007/s13349-025-00922-0 - 发表时间:
2025-05-03 - 期刊:
- 影响因子:4.300
- 作者:
Tarutal Ghosh Mondal;Zhenhua Shi;Haibin Zhang;Genda Chen - 通讯作者:
Genda Chen
Failure Investigation of the Steel Strut on the Paseo Suspension Bridge
Paseo悬索桥钢支柱失效调查
- DOI:
- 发表时间:
2005 - 期刊:
- 影响因子:0
- 作者:
Genda Chen;Chris Courtright;L. Dharani;Bin Xu - 通讯作者:
Bin Xu
Genda Chen的其他文献
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{{ truncateString('Genda Chen', 18)}}的其他基金
FW-HTF-RM: Collaborative Research: Assistive Intelligence for Cooperative Robot and Inspector Survey of Infrastructure Systems (AI-CRISIS)
FW-HTF-RM:协作研究:协作机器人辅助智能和基础设施系统检查员调查 (AI-CRISIS)
- 批准号:
2026357 - 财政年份:2020
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Analytical Mode Decomposition of Dynamic Structural Response for The Detection of Damage
用于损伤检测的动态结构响应的分析模式分解
- 批准号:
1538416 - 财政年份:2015
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Nano Ferrous Particles Dispersed on Optical Fiber Sensors for Distributed Corrosion Assessment of Civil Infrastructures
分散在光纤传感器上的纳米铁颗粒用于民用基础设施的分布式腐蚀评估
- 批准号:
1235202 - 财政年份:2012
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Exploring Polymer Cross-Linked Aerogels for Their Strength and Energy Absorption in Seismic Retrofit of RC Structures
探索聚合物交联气凝胶在 RC 结构抗震改造中的强度和能量吸收
- 批准号:
1030399 - 财政年份:2010
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Development and Characterization of Reative Enamel-Coated Steel Rebars for Improved Concrete-Steel Bonding and Enhanced Corrosion Resistance
用于改善混凝土-钢粘合和增强耐腐蚀性的反应性搪瓷涂层钢筋的开发和表征
- 批准号:
0900159 - 财政年份:2009
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Rapid Post-Earthquake Assessment on Building Condition and Chemical Hazard with a Temperature-Tolerant Monitoring System
利用耐温监测系统对建筑状况和化学危害进行震后快速评估
- 批准号:
0825942 - 财政年份:2008
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
Development and Validation of Distributed Electromagnetic Wave-Guide Sensors for Civil Infrastructures Performance Evaluation
用于民用基础设施性能评估的分布式电磁波导传感器的开发和验证
- 批准号:
0409420 - 财政年份:2004
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
SGER: Exploratory Study on a Maintenance-free Novel Device for Seismic Reponse Control of Structures
SGER:免维护新型结构地震反应控制装置的探索性研究
- 批准号:
0342020 - 财政年份:2003
- 资助金额:
$ 14万 - 项目类别:
Standard Grant
CAREER: Design and Integration of Piezoelectric Actuators in Civil Engineering Structures
职业:土木工程结构中压电执行器的设计和集成
- 批准号:
9733123 - 财政年份:1998
- 资助金额:
$ 14万 - 项目类别:
Continuing Grant
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