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RISComputer Vision–Based Counting Model for Dense Steel Pipe on Construction Sites
Publisher: ASCE
Abstract: Building material inventory is routine work of the material delivery process at most construction sites. Manual counting is the conventional manner of taking inventory; however, it is subjective, time consuming, and error ...
Classification of Multistates of Internal Damage in Concrete Based on Convolutional Neural Network Analysis of Time-Frequency Images
Publisher: ASCE
Abstract: Computer vision based on machine learning theory has been widely used in the surface damage detection of concrete structures, but the characterization of internal damage in concrete still remains a challenge for researchers. ...
Nonlinear Ultrasonic Characterization of Performance Variation of Basalt Fiber-Reinforced Concrete Subjected to Thermal Treatment and Water Curing
Publisher: ASCE
Abstract: In this paper, the performance of basalt fiber-reinforced concrete (BFRC) during the thermal treatment and the subsequent recovery in water are investigated by adopting the ultrasonic second harmonic generation (SHG) ...
Structural Performance of Reinforced Concrete Walls under Fire Conditions
Publisher: ASCE
Abstract: This paper investigates the structural performance and deterioration of the load-carrying capacity of reinforced concrete (RC) walls subjected to one-sided fire. Heat transfer analysis is conducted for characterizing the ...
Pedestrian-Induced Load Identification from Structural Responses Using Genetic Algorithm with Numerical and Experimental Validation
Publisher: ASCE
Abstract: A reliable pedestrian load model is a prerequisite for the accurate calculation of human-induced structural vibration. In recent years, many researchers have proposed pedestrian load models based on direct force measurements, ...
Open Access and Updated Human-Induced Load Data Set
Publisher: ASCE
Abstract: This paper reports a dataset that provides force time histories of various types of human-induced loads, including walking, jumping, and bouncing activities guided by metronome or music. The dataset contains 3,518 records ...
Equivalent Dynamic Load Factor for Crowd Walking Loads
Publisher: ASCE
Abstract: Pedestrian-induced loads may cause vibration serviceability or safety issues in slender structures such as long-span floors and footbridges. Although some models for crowd walking loads have been established, the synchronization ...
Analysis of the Influencing Factors of Differentiated Parking Fees Based on Structural Equation Modeling
Publisher: ASCE
Abstract: This study proposes differentiated fees based on parking space attributes to regulate the turnover rate and utilization of parking spaces. To understand parkers’ willingness to pay differentiated parking fees, the study ...
Multisource Data Integration and Computer Vision Technology in Uncertainty Quantification of Live Loads
Publisher: American Society of Civil Engineers
Abstract: Quantifying the uncertainty of live loads holds a significant reference value for reliability assessments at the component, structural, and even urban levels. Traditional survey methods are characterized by high survey ...
On the Nonuniform Deformation of the Cylinder Compression Test
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical model based on Hill’s general method is developed in the present study to calculate the flow stress in a cylindrical specimen under axial compression in the presence of friction ...