YaBeSH Digital Library: Recent submissions
Now showing items 8961-8980 of 316660
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Effect of Mixed Hydrogen Natural Gas on the Flow Field of Bypass PIG Using CFD
(American Society of Civil Engineers, 2025)Hydrogen energy is a new growth point for building a green and low-carbon industrial system and creating industrial transformation and upgrading. Large-scale hydrogen energy supply faces problems, such as lack of infrastructure ... -
Research on the Jacking Force of PVC Pipes Utilized in Microtunneling
(American Society of Civil Engineers, 2025)The lower stiffness of PVC pipes results in more complex pipe–soil interactions, making it difficult to accurately assess jacking force using existing specifications. A soil pressure calculation model of PVC pipes that ... -
Optimization of Buried Pipe Spacing under Seepage Conditions Based on an LSTM Algorithm
(American Society of Civil Engineers, 2025)This study proposes an optimization methodology for determining the optimal spacing of buried pipes in ground-source heat pump systems under seepage conditions by utilizing a long short-term memory (LSTM) algorithm. We ... -
Impact of Nonhydrocarbon Impurities on the Performance of Natural Gas Pipelines in Dense and Supercritical Phases
(American Society of Civil Engineers, 2025)Transmission of natural gas through pipelines in dense and supercritical phases is an appropriate method due to the reduction in pressure drop. Natural gas can contain various nonhydrocarbon impurities (nitrogen, carbon ... -
Considering Debonding in Design of Cementitious Liners within Concrete Pipes
(American Society of Civil Engineers, 2025)Many reinforced concrete pipes currently in service are experiencing unsafe levels of deterioration, and if left unattended may become susceptible to collapse. Rather than proceeding with full replacements, many municipalities ... -
Evaluation of Flexible Pavement Performance Based on Genetic Neural Network
(American Society of Civil Engineers, 2025)The distress condition, skid resistance, and structural performance of flexible pavements exhibit simultaneous and interrelated deterioration. This study aimed to evaluate the three aspects of performance quantified by ... -
The Effect of Cement Content on the Poroelastic Parameters and Grain Crushing of Artificial Sandstones
(American Society of Civil Engineers, 2025)This study investigates the influence of cement content on the poroelastic properties of sandstones through a series of uniaxial and hydrostatic compression tests under fluid-saturated drained conditions, spanning both ... -
Laboratory Study on Gradation Design and Pavement Performance of Fine and Porous Asphalt Concrete PAC-5
(American Society of Civil Engineers, 2025)Porous asphalt concrete (PAC) is recognized for its outstanding noise reduction capability, which tends to improve as the aggregate particle size decreases, suggesting that PAC-5 may offer superior noise reduction performance. ... -
Comparison of Asphalt Pavement Crack Segmentation Based on Different Fusion Methods of RGB Images and Thermal Images
(American Society of Civil Engineers, 2025)Pavement maintenance has become a critical priority in recent years. There has been a growing focus in research on advancing image-based pavement crack monitoring tools that utilize deep learning models to automate the ... -
Investigation of the Top-Down Cracking Propagation Behavior of Flexible Asphalt Pavement Based on Numerical Modeling and Full-Scale Accelerated Pavement Tests
(American Society of Civil Engineers, 2025)Top-down cracks (TDCs) and their associated secondary damage have emerged as critical factors limiting the long-term service performance of flexible asphalt pavements. The mechanisms underlying various types of TDCs, ... -
Characterization and Performance Evaluation of Angular-Shaped Fly Ash Aggregates for Pavement Base and Subbase Applications
(American Society of Civil Engineers, 2025)This study presents the results of an extensive laboratory investigation on the characterization of angular-shaped fly ash aggregates (FAAs) and their potential as an innovative alternative to natural stone aggregates for ... -
Automatic Recognition of Hidden Road Defects from GPR Images Using an Enhanced CNN Approach
(American Society of Civil Engineers, 2025)Ground-penetrating radar (GPR) has been widely used to nondestructively detect hidden defects in road structures. However, the interpretation of GPR images relies on the subjective experience of technicians, which is ... -
Novel Double Adaptive Algorithm for Tire–Road Friction Estimation
(American Society of Civil Engineers, 2025)Numerous studies on traffic safety have demonstrated the likelihood of accidents closely associated with the tire–road friction coefficient (TRFC). However, under complex working conditions, it is difficult to accurately ... -
Development of a Repeated Load Deformation Test Simulating Moving Loads on Asphalt Concrete
(American Society of Civil Engineers, 2025)Asphalt concrete (AC) layers in highway pavements are subjected to complex three-dimensional (3D) stress states due to moving load and maneuvering effects of heavy trucks in highway pavements. This paper aims to investigate ... -
Developing a Benchmarking Methodology for Concrete Global Warming Potentials in North America
(American Society of Civil Engineers, 2025)The objective of this paper is to develop a methodology for estimating the statistical distributions associated with cradle-to-gate (A1–A3) concrete global warming potentials (GWPs) within the United States. When applied, ... -
Prediction of the Water Film Thickness for Tining Concrete Pavement
(American Society of Civil Engineers, 2025)Predicting water film thickness (WFT) is essential due to its significant impact on road safety, as reduced skid resistance caused by hydroplaning is strongly associated with increased vehicle crash rates. Tining is a ... -
Effect of Phosphogypsum Whiskers Replacing Limestone Mineral Powder on the Rheological Properties of Asphalt Mastic
(American Society of Civil Engineers, 2025)As a product after the secondary refining of phosphogypsum, the application of phosphogypsum whiskers (PSW) to asphalt pavement not only effectively alleviated the negative effect of phosphogypsum on the economy and the ... -
Effect of Installation Disturbance on Pullout Capacity of Helical Soil Nails in Cohesionless Soils: Experimental and Numerical Studies
(American Society of Civil Engineers, 2025)Soil nailing is a widely accepted method for stabilizing slopes, excavations, and so forth. However, conventional gravity or pressure-grouted soil nails are difficult to install in some unfavorable soil conditions. The ... -
Influence of Water Film Thickness on the British Pendulum Number for Tined Concrete Pavements
(American Society of Civil Engineers, 2025)Wet pavement friction decreases due to the increase in water film thickness (WFT), leading to a significant increase in vehicle crash occurrences. The British Pendulum Test is one of the methods used to measure pavement ... -
Prediction of Deflection Bowl Parameters by Gain Ratio Enabled Feature Selection and Machine-Learning Ensembles
(American Society of Civil Engineers, 2025)The study emphasizes the potential of data-driven methodologies to enhance infrastructure management, promoting sustainability in pavement maintenance and decision-making. Precise pavement structural evaluation is essential ...