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Mechanism and Countermeasure of Segmental Lining Damage Induced by Large Water Inflow from Excavation Face in Shield Tunneling
Publisher: American Society of Civil Engineers
Abstract: This study investigated the influence of large water inflow from the excavation face on segmental lining damage when the earth-pressure balance (EPB) method was used in shield tunneling in a saturated silty sand layer. A ...
Water Transport in GDL Microstructures of Nonuniform Fiber Diameter Arrangement
Publisher: ASCE
Abstract: In proton exchange membrane fuel cells (PEMFCs), the gas diffusion layer (GDL) plays an important role in the transport of reactants, water, heat, and electrons. Microstructure manipulation of porous media via a nonuniform ...
Temperature Calculation Method for Hanger Systems Exposed to Multigrade Vehicle Fires
Publisher: American Society of Civil Engineers
Abstract: Extensive vehicle fires threatening suspension bridges in the last decade have aroused an emerging demand to estimate the fire safety of hanger systems. One of the paramount tasks for evaluating the fire resistance of ...
Evaluation and Analysis of the Traffic Load–Induced Settlement of Roads on Soft Subsoils with Low Embankments
Publisher: American Society of Civil Engineers
Abstract: A large number of laboratory triaxial experiments were performed to evaluate the likely cumulative settlement of a low embankment road on soft subsoil due to the traffic loads, for the purpose of determining the undrained ...
Coupled CFD–FEM Simulation Methodology for Fire-Exposed Bridges
Publisher: ASCE
Abstract: Evaluating the fire performance of bridges is necessary for damage mitigation as more fire-related accidents occurred on bridge structures. Current solutions adopting temperature curves can result in significant inaccuracy ...
Quantifying High Temperature–Induced Breakage Instant of Prestressing High-Strength Steel Wire
Publisher: ASCE
Abstract: The danger of high-strength steel wire (HSSW) under high temperatures is twofold. One is the significant degradation of the material properties of high-strength steel (HSS), which has been extensively studied. The other, ...
Local Buckling Behavior of Hybrid Steel I-Sections under Uniform Bending: Moment-Rotation Characteristic
Publisher: American Society of Civil Engineers
Abstract: High-strength steels (HSSs) have been gaining increasing attention in recent years because of their potential application for lightweight structures. Hybrid structural steel I-sections, featured by dissimilar strength ...