A5041539548- Infrastructure Maintenance and Monitoring
- Asphalt Pavement Performance Evaluation
- Structural Health Monitoring Techniques
- Smart Materials for Construction
- Traffic Prediction and Management Techniques
- Transport Systems and Technology
- Railway Engineering and Dynamics
- Ultrasonics and Acoustic Wave Propagation
- Advanced Sensor and Energy Harvesting Materials
- Rock Mechanics and Modeling
- Innovative Energy Harvesting Technologies
- Innovative concrete reinforcement materials
- Geotechnical Engineering and Underground Structures
- Augmented Reality Applications
- Water Quality Monitoring Technologies
- Recycled Aggregate Concrete Performance
- Advanced Sensor and Control Systems
- Geomechanics and Mining Engineering
- Concrete and Cement Materials Research
- Civil and Geotechnical Engineering Research
- Indoor and Outdoor Localization Technologies
- Simulation and Modeling Applications
- Non-Destructive Testing Techniques
- Advanced Fiber Optic Sensors
- Acoustic Wave Phenomena Research
University of Science and Technology Beijing
2014-2024
In modern transportation, pavement is one of the most important civil infrastructures for movement vehicles and pedestrians. Pavement service quality life are great importance engineers as they directly affect regular users. Therefore, monitoring health status before irreversible damage occurs essential timely maintenance, which in turn ensures public transportation safety. Many damages can be detected analyzed by structure dynamic responses evaluating road surface conditions. Advanced...
With the rapid advancement of Internet Things (IoT) technology, its applications in road infrastructure have garnered attention. However, challenges persist when applying IoT to monitoring, including insufficient durability front-end sensors, pavement damage due sensor embedding, and redundancy a vast amount real-time data, hindering long-term monitoring pavements. To address these challenges, this study developed self-powered distributed intelligent system based on IoT, encompassing...
Piezoelectric energy harvesting in pavement is an advanced saving technology. It carried out by laying the piezoelectric material structure and converting mechanical into electrical energy. The current harvester has difficulty meeting complex requirements of pavements. In order to develop technology, this paper, a stacked mode for designed. computer-controlled pressure testing machine (WHY-2000, Shanghai Hualong Test Instruments Corporation, Shanghai, China) was used test compressive...
Microbiologically induced concrete corrosion (MICC) is a major reason for sewer pipe replacement and rehabilitation. Predicting the depth of can help make better decisions on inspection rehabilitation pipes. Due to limited data available, models using deep learning methods predicting MICC are prone overfitting. This study develops an XGBoost-based model with benefits hyperparametric auto-optimization. For this purpose, factors affecting were sorted out be used as guide selecting attributes...
The road is one of the most important civil infrastructures for serving society, where its service quality and life have direct impacts on safety comfort users. Therefore, construction, condition detection monitoring, timely maintenance are particularly engineers. Many engineering applications industrial informatics approaches, like image processing technology, widely used computer-based algorithms, advanced sensors, been initially gradually applied to roads. This state-of-the-art review...
Abstract Traffic data is essential for intelligent traffic management and road maintenance. However, the enormous effort used collection analysis, combined with conventional approaches monitoring, inefficient due to its high energy consumption, cost, nonlinear relationships among various factors. This article proposes a new approach obtain information by processing raw on pavement vibration. A large amount of was collected in real time deploying vibration‐based in‐field monitoring system....
Pavement is an important part of transportation infrastructure. In order to maintain pavement before the damage and improve service quality, it necessary develop intelligent durable information monitoring system. However, dynamic response highly costly, easily obsolete statistically redundant. The emergence Internet Things (IoT) technology promises change that. this paper, architecture a distributed road IoT system proposed, which has acquisition layer, preprocessing processing interaction...
Dynamic response of pavement provides service condition information and helps with damage prediction, while limited research is available the simulation vibration for evaluating roadway condition. This paper presents a numerical model analysis due to dynamic load created by passing vehicle. A quarter vehicle was used determination moving load. Both random spatial characteristics were considered. The nonuniform then introduced in 3D finite element traffic‐induced vibration. validated assess...
Natural vibration characteristics serve as one of the crucial references for bridge monitoring. However, temperature-induced changes in natural structures may exceed impact structural damage, thus causing some interference damage identification. This study analyzed influence temperature on simply supported beams, which is most widely used structure. The theoretical formula variation frequency beams with was proposed. elastic modulus range −40 °C to 60 acquired by means falling ball test and...
Road power generation technology is of significance for constructing smart roads. With a high electromechanical conversion rate and bearing capacity, the stack piezoelectric transducer one most used structures in road energy harvesting to convert mechanical into electrical energy. To further improve efficiency this type harvester (PEH), study theoretically experimentally investigated influences connection mode, number layers, ratio height cross-sectional area units on performance. Two types...
Traditional road-embedded monitoring systems for traffic have the disadvantages of a short life, high energy consumption and data redundancy, resulting in insufficient durability cost. In order to improve efficiency system, pavement vibration system is developed based on Internet things (IoT). The includes multi-acceleration sensing nodes, gateway, cloud platform. key design principles technologies each part are proposed, which provides valuable experience application IoT technology road...
In this paper, an acceleration sensing node for pavement vibration was developed to monitor traffic information, including vehicle speed, types, and flow, where a hardware design with low energy consumption encapsulation could be accomplished. The service performance of the evaluated, by methods waterproof test, compression analysis, comparison test. results demonstrate that is in consumption, high strength, IPX8 waterproof, sensitivity resolution. These characteristics can applied practical...
Due to the high demand for cement-based materials in buildings, graphene has been widely studied as a potential new cement composite reinforcement agent. In this study, polycarboxylate (PC) Superplasticizer, Tetraoxatetradecan-1-ol,14-(nonylphenoxy)-(CO520), Sodium dodecyl-benzenesulfonate (SDBS), cholate (SC), and Hexadecyl trimethyl ammonium Bromide (CTAB) were used surface-active agents (SAA). The effects of different contents (0, 0.01%, 0.03%, 0.05%, 0.07%) on mechanical properties...
Green and sustainable power supply for sensors in pavement monitoring system has attracted attentions of civil engineers recently. In this paper, the piezoelectric energy harvesting technology is used to provide acceleration sensor Radio Frequency (RF) communication. The developed bimorph cantilever beam collecting vibrational energy. collection circuit charge battery, where can achieve 1.68 mW meet need data transmission one operation cycle, that is, 32.8 seconds. Based on...