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RISReliability-Based Service Life Prediction of Corrosion-Affected Metal Pipes with Mixed Mode Fracture
Publisher: American Society of Civil Engineers
Abstract: This paper presents a time-dependent reliability method for the assessment of corrosion-affected metal pipe failures. Two nonlinear limit state functions are proposed for brittle and ductile pipes with mixed mode fracture. ...
Grain-Size Distribution Effects on the Mechanical Behavior of Granular Soil in Response to EPBS Tunneling
Publisher: ASCE
Abstract: A set of model tests using a miniature Earth Pressure Balanced Shield (EPBS) machine are carried out to examine the effects of grain-size distribution on the mechanical behavior of granular soil in response to EPBS tunneling. ...
Analytical Prediction for Tunneling-Induced Ground Movements with Modified Deformation Pattern
Publisher: American Society of Civil Engineers
Abstract: In current methods for predicting ground movement caused by tunneling, the center of the tunnel is usually thought of as the focus of ground-movement vectors for convenience. In reality, the ground-movement vectors around ...
Spray Characteristics of <i>n</i>-Butanol in a High-Pressure Common-Rail Injection System
Publisher: American Society of Civil Engineers
Abstract: This study was conducted to investigate the spray characteristics of n-butanol, using a diesel spray for comparison. Spray tip penetration and spray cone angle were tested and analyzed. A high-speed photographic system was ...
Carbon-Fiber Reinforced Paper-Based Friction Material: Study on Friction Stability as a Function of Operating Variables
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Carbon-fiber-reinforced paper-based friction material (CFRPF), as a new type of wet friction material for automatic transmission, was prepared by a paper-making process. The frictional response of ...
Experimental Research and Analysis of the Shear Lag Effect of a Cantilever Concrete Box Girder under Double-Deck Uniform Loads
Publisher: American Society of Civil Engineers
Abstract: The shear lag effect distribution, law of a single-box, three-room cantilever box girder under double-deck uniform loads is discussed through experimental research and analysis of the flexural behavior within the girder. ...
Electrochemical Evaluation of Helical Carbon Nanofibers Prepared by Ethanol Flame Method as Anode Materials of Lithium-Ion Batteries
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Currently, most of the anode materials for lithium-ion batteries (LIBs) suffer from the problems of capacity degradation and reduction of cycle life due to volume expansion and polarization. Here we have successfully ...
The Influence of Varying Subgrade Soil Compaction on the Relationship between Soil Water Content and Resistivity
Publisher: American Society of Civil Engineers
Abstract: Quantifying the water content of subgrade soils is crucial for subgrade design and maintenance. As a noninvasive approach, the resistivity method is widely used for measuring the soil water content. However, the measuring ...
Temperature-Dependent Constitutive Model of Austenitic High-Strength A4L-80 Bolts after Furnace Fire
Publisher: American Society of Civil Engineers
Abstract: High-strength carbon steel bolts were fractured by the tension, shear, or combined failure mode in semirigid and flexible beam-to-column connections as observed from natural fire incidents and full-scale fire tests. This ...
Quantitative Composition of Drag Forces on Suspended Pipelines from Submarine Landslides
Publisher: ASCE
Abstract: The impact forces of submarine landslides (i.e., non-Newtonian fluids) on oil and gas pipelines, especially the most dangerous drag force, are of great significance in the design of deep-water pipelines. The drag force is ...