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Evaluation of Coefficients of Mode III Crack-Tip Asymptotic Fields Using Weak Form Quadrature Elements
Publisher: American Society of Civil Engineers
Abstract: A weak form quadrature element formulation is established to obtain the coefficients of Mode III crack-tip asymptotic fields. The problem domain is divided into circular subdomains near the crack tips and several integrable ...
Development of Environmental Contours from Site-Specific Regression Parameters of Load–Settlement Curves for Piles: The Global Database
Publisher: ASCE
Abstract: A database was compiled to establish the site-specific measured load–displacement responses of piles from different sites across the globe, which contains 188 curves from 12 sites. A curve-fitting technique was applied to ...
Development of High-Performance Self-Compacting Concrete Applied as the Filling Layer of High-Speed Railway
Publisher: American Society of Civil Engineers
Abstract: The filling layer of a China rail track system III (CRTS III) type ballastless track structure of a high-speed railway is a complicated structure typically constructed from self-compacting concrete (SCC). Excellent properties ...
Finite-Element Analysis of Helical Piers in Frozen Ground
Publisher: American Society of Civil Engineers
Abstract: This paper presents a study of the behavior of helical pier foundations in frozen ground. The scope of the work presented includes developing finite-element analysis (FEA) models that simulate the stress-strain relationships ...
Simulating Urban Cooperative Expansion in a Single-Core Metropolitan Region Based on Improved CA Model Integrated Information Flow: Case Study of Wuhan Urban Agglomeration in China
Publisher: American Society of Civil Engineers
Abstract: With the expansion of regional urbanization, urban agglomeration has become the most striking area of China’s urbanization process. Simulation of the urban growth of metropolitan regions is a hot issue and a difficult field ...
Hybrid Two-Stage Stochastic Methods Using Scenario-Based Forecasts for Reservoir Refill Operations
Publisher: American Society of Civil Engineers
Abstract: Optimizing reservoir refill operations is important for improved water use. This study developed a real-time refill operation model using scenario-based forecasts. To bridge the gap between forecast horizon and operation ...
Laboratory Study on Diffusion and Migration of Grout in Rock Mass Fracture Network
Publisher: ASCE
Abstract: The flow process of grout in a rock mass fracture network is an important part to judge the effect of grouting in engineering. Till date, little research has been done on the diffusion and migration pattern of grout in a ...