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Article
Noncontact stress measurement technique for concrete structure using photoluminescence piezospectroscopy
Photoluminescence piezospectroscopy (PLPS) is a laser-based noncontact and nondestructive stress measurement technique but has not been studied extensively in the field of civil structural health monitoring. U...
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Article
Formalization of information: knowledge and belief
Billingsley (Probability and measure, Wiley, New Jersey, 1995) and Dubra and Echenique (Math Soc Sci 47(2):177–185, 2004) provide an example to show that the formalization of information by
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Article
A comparative study on wind loads between design standards for the design of pipe-rack structures
Industrial plants currently account for approximately 70 percent of overseas construction but still require design knowledge when evaluating the economic profit in the field of plant engineering. Most engineer...
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Article
Nitric oxide emissions and combustion performance of nontraditional ring-fired boilers with furnace geometries
The flow, combustion and emission characteristics of nontraditional ring-fired-type furnaces were investigated numerically to evaluate the effects of incorporating additional inner water walls on the heat tran...
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Chapter and Conference Paper
Smart Sensor Nodes for Vibration Measurement of Large Civil Infrastructure
Dynamic characteristics of large civil infrastructures have been monitored for safe operation and efficient maintenance of the structures. To measure vibration data, the conventional system uses cables which c...
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Chapter and Conference Paper
Practical Seismic FSSI Analysis of Multiply-Supported Secondary Tanks System
The recent explosion of nuclear power plant (NPP) in Japan was mainly due to performance malfunction in cooling system caused by an earthquake. Thus, seismic analysis has been of great importance for auxiliary...
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Chapter and Conference Paper
Spatiotemporal Sensing for Pipeline Leak Detection Using Thermal Video
Auto Modulating Pattern Detection Algorithm (AMP) is a novel data processing technique to detect adverse hazards for various monitoring applications. This ongoing experimental study seeks to expand the one-dim...
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Article
Sulfur deposition simulations over China, Japan, and Korea: a model intercomparison study for abating sulfur emission
In response to increasing trends in sulfur deposition in Northeast Asia, three countries in the region (China, Japan, and Korea) agreed to devise abatement strategies. The concepts of critical loads and source...
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Article
Open AccessEffective Prediction of Thermal Conductivity of Concrete Using Neural Network Method
The temperature distributions of concrete structures strongly depend on the value of thermal conductivity of concrete. However, the thermal conductivity of concrete varies according to the composition of the c...
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Article
Stability number prediction for breakwater armor blocks using Support Vector Regression
This paper presents the Support Vector Regression (SVR) to predict the stability number of armor blocks of breakwaters. The experimental data of van der Meer are used as the training and test data for the SVR ...
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Article
Development of a cable exciter to evaluate dam** ratios of a stay cable
It is necessary to accurately estimate the dynamic characteristics of stay cables, especially dam** ratios, in order to design a cable damper for the appropriate vibration mitigation of a cable-stayed bridge...
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Article
Estimation and Map** of Nitrogen Uptake by Forest in South Korea
Regional air pollution in northeast Asia is an emerging environmental problem requiring long-term impact assessment of acidic deposition. In this study, the gridded distribution of nitrogen uptake led by both ...
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Article
Abuilt-in active sensing system-based structural health monitoring technique using statistical pattern recognition
A piezoelectric sensor-based health monitoring technique using a two-step support vector machine (SVM) classifier is developed for railroad track damage identification. Abuilt-in active sensing system composed of...
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Article
Damage localization for bridges using probabilistic neural networks
In this paper, the damage location of a bridge is identified using probabilistic neural networks. At first, modal parameters are identified from the ambient vibration data, and are utilized as the feature vect...
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Article
Recent R&D activities on structural health monitoring for civil infra-structures in Korea
Developments and applications of structural health monitoring (SHM) systems have become active particularily for long-span bridges in Korea. They are composed of sensors, data acquisition system, data transmis...