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RISWire Breakage Detection Using Relative Strain Variation in Unbonded Posttensioning Anchors
Publisher: American Society of Civil Engineers
Abstract: Recent problems with grouted posttensioning tendons in U.S. bridges have led to interest in tendons that are not grouted, but rather filled with a pliable corrosion protection system such as grease or wax. The use of a ...
Design and Evaluation of Generic Bump for Flow Control in a Supersonic Inlet Isolator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the geometry of a supersonic inlet isolator is modified by the introduction of a two-dimensional (2D) bump to control the complex lip shock wave/boundary layer interaction (SWBLI). The bump is of general ...
Experimental and Numerical Evaluation of Unbonded Posttensioning Tendons Subjected to Wire Breaks
Publisher: American Society of Civil Engineers
Abstract: The development of corrosion as a result of tendon exposure to moisture or corrosive media often leads to wire fractures. Such fractures in unbonded tendons are expected to induce global strand and anchor response through ...
Generalized Spatial Aliasing Solution for the Dispersion Analysis of Infinitely Periodic Multilayered Composites Using the Finite Element Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The finite element (FE) method offers an efficient framework to investigate the evolution of phononic crystals which possess materials or geometric nonlinearity subject to external loading. Despite its superior efficiency, ...
Passive Vibration Mitigation for Highway Sign Trusses Susceptible to Wind-Induced Vibrations
Publisher: American Society of Civil Engineers
Abstract: Stockbridge-type tuned-mass dampers are commonly used in highway sign and traffic signal support structures throughout the U.S. to reduce wind-induced and truck gust–induced vibrations. Effectiveness of these dampers in ...
Seismic Base Isolation for Buildings in Regions of Low to Moderate Seismicity: Practical Alternative Design
Publisher: American Society of Civil Engineers
Abstract: Although Dhaka city has experienced any moderate to large earthquakes in the past, some recent ground shakings are certainly indications of its earthquake source and vulnerability. In addition, microseismicity data also ...
Sagittal Plane Waves in Infinitely Periodic Multilayered Composites Composed of Alternating Viscoelastic and Elastic Solids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to design phononic crystals whose band-gaps are located in low-frequency ranges, researchers commonly adopt low stiffness polymeric materials as key constituents and exploit the high impedance mismatch between ...
Effects of Surface Waviness on the Interaction of Oblique Shock Wave With Turbulent Boundary Layer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Present investigation deals with the interaction of an incident oblique shock wave on a turbulent boundary layer over a wavy surface. The oblique shock wave was generated by an 8 deg wedge in a freestream Mach number of ...
Thermal and Structural Behavior of Fire-Exposed Beam–Column Connections Consisting of Corbels Cast with Columns and Continuity Bars
Publisher: ASCE
Abstract: Beam–column connections with corbels supporting the beams and continuity reinforcement protruding from the columns, also known as composite connections, are often used in construction as an alternative to monolithic ...
Effect of Parameters of Rotating Cylinders on the Heat Transfer Advancement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Conjugate pure mixed convection in a differentially heated square cavity with two vertically placed heat conductive revolving cylinders has been analyzed in a computational approach applying the finite element method. This ...