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RISCoupled FDM–DEM Method for Analyzing EPBS Machine Tunneling Performance in Boulders
Publisher: ASCE
Abstract: This work focuses on the development of a three-dimensional shield tunneling model coupling the finite-difference method (FDM) with the discrete-element method (DEM) and evaluates its tunneling performance in boulders. The ...
Water Requirement with Irrigation Expansion in Jingtai Irrigation District, Northwest China: The Need to Consider Irrigation-Induced Local Changes in Evapotranspiration Demand
Publisher: American Society of Civil Engineers
Abstract: Because water diverted from the Yellow River has been used for irrigation in 1972, obvious changes in evapotranspiration demand (denoted by reference evapotranspiration) have been observed in the Jingtai Irrigation District, ...
Which Owner Characteristics Are Key Factors Affecting Project Delivery System Decision Making? Empirical Analysis Based on the Rough Set Theory
Publisher: American Society of Civil Engineers
Abstract: Decision-making of the project delivery system (PDS) is an important link in the entire lifecycle of a project and is one of the critical factors leading to project success. Traditionally, PDSs are usually chosen based on ...
Evaluation of the Active Limit Support Pressure for Shield Tunnel Face in Clay–Sand Interface Mixed Ground
Publisher: ASCE
Abstract: Although many calculation methods for tunnel face support pressure have been proposed, they are difficult to use in practical applications. In tunneling, the tunnel support pressure is currently being determined by empirical ...