American Society of Civil Engineers


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Found 488 Records with the keyword term of "Acoustic techniques"

Displaying 100 records - please modify your search for better results.

2014  Acoustic Emission Historic Index and Frequency Spectrum of Reinforced Concrete under Accelerated Corrosion

2014  Acoustic Emission Intensity Analysis for In Situ Evaluation of Reinforced Concrete Slabs

2014  Aeroacoustic Imaging Experiments of Airframe Noise in Lined Wall Closed-Section Wind Tunnel

2014  Characterization of Simulated Soilcrete Column Curing Using Acoustic Tomography

2014  Decision Analysis of Preferred Methods for Locating Underground Conduits

2014  Early Corrosion Detection in Prestressed Concrete Girders Using Acoustic Emission

2014  Estimation of Concentration and Load of Suspended Bed Sediment in a Large River by Means of Acoustic Doppler Technology

2014  Estimation of Pavement Macrotexture by Principal Component Analysis of Acoustic Measurements

2014  Self-Excitation of Small Plate Impingement Tones from Flat Plates with and without Coaxial Hole

2013  Acoustic Characterization of Porous Materials with a Rigid Structure in the Low Frequency Regime

2013  Acoustic Emission Leak Detection on a Metal Pipeline Buried in Sandy Soil

2013  Acoustic Emission Monitoring of Reinforced Concrete under Accelerated Corrosion

2013  Biphasic Acoustic Behavior of a Non-periodic Porous Medium

2013  Corrosion Damage Quantification of Prestressing Strands Using Acoustic Emission

2013  Effect of Inner Resonators on Acoustics of Rigid Porous Media

2013  Effects of Acoustic Excitation and Annular Swirl Strength on a Non-Premixed and Swirl-Stabilized Flame

2013  Evaluating Foamed Asphalt Stability Using Acoustic Emission Techniques

2013  Evaluation of Warm Mix Asphalt Mixtures Containing Reclaimed Asphalt Pavement through Mechanical Performance Tests and an Acoustic Emission Approach

2013  Heat Damaged Cement Paste Characterization Using the Nonlinear Acoustic Waves

2013  Kernel Density-Based Algorithm for Despiking ADV Data

2013  A Method of Leakage Source Localization for Pipeline Based on Acoustic Emission Signal

2013  Monitoring Crack Propagation in Reinforced Concrete Shear Walls by Acoustic Emission

2013  NASA Glenn’s Contributions to Aircraft Engine Noise Research

2013  Novel Technique to Measure the Biot-Gassmann Modulus

2013  Pavement Macrotexture Monitoring through Sound Generated by a Tire-Pavement Interaction

2013  Remote Monitoring of Harsh Environments Using Acoustic Emissions

2013  The Science of Sound

2013  Study on the Application of Acoustic Leak Detection Method for Natural Gas Pipelines

2013  Transient Acoustic Wave Propagation in Non-Integer-Dimensional Rigid Porous Media

2013  Turbulence Characterization in a Gully with Reverse Flow

2012  Acoustic Detection of Leaks in Water Pipelines Using Measurements inside Pipe

2012  Automatic Delamination Detection of Concrete Bridge Decks Using Impact Signals

2012  Damage Evaluation for Concrete Bridge Deck by Means of Stress Wave Techniques

2012  Detection of Initial Yield and Onset of Failure in Bonded Posttensioned Concrete Beams

2012  Detection of the Presence of Broken Wires in Cables by Acoustic Emission Inspection

2012  Experimental Study on Acoustic Emission Characteristics and Energy Properties during Rock Failure

2012  Influence of Solid Particle Parameters on the Sound Speed and Attenuation of Pulses in ADM

2012  Noise in Turbulence Measurements Using Acoustic Doppler Velocimetry

2012  Probabilistic Prognosis of Fatigue Crack Growth Using Acoustic Emission Data

2012  Repair Effects and Acoustic Emission Technique-Based Fracture Evaluation for Predamaged Concrete Columns Confined with Fiber-Reinforced Polymers

2012  Separation Zone in Flow past a Spur Dyke on Rigid Bed Meandering Channel

2012  Signal Postprocessing Technique and Uncertainty Analysis of ADV Turbulence Measurements on Free Hydraulic Jumps

2012  Temporal Variation of Scour around Circular Compound Piers

2012  Variance of Discharge Estimates Sampled Using Acoustic Doppler Current Profilers from Moving Platforms

2011  The Acoustic Characteristics of Low Noise Asphalt Concrete

2011  Asset Management of Asbestos Cement Pipes Using Acoustic Methods: Theory and Case Studies

2011  Coupling High-Resolution Acoustic Sensor Measurements with Analytical and Numerical Porous Media Solute Transport Modeling

2011  Damage Assessment and Ductility Evaluation of Post Tensioned Beams with Hybrid FRP Tendons

2011  Detection of Critical Fatigue Cracks in Steel Bridge Materials with Remote Acoustic Emission Monitoring

2011  Experimental Study on Acoustic Emission Characteristics of Damage Process for Steel Fibre Concrete under Unixial Tension

2011  Experimental Study on Detection and Location of Pipeline Leakage Based on Acoustic Emission Technique

2011  Flow Field and Morphology Mapping Using ADCP and Multibeam Techniques: Survey in the Po River

2011  Graphical User Interface for Guided Acoustic Waves

2011  Investigation into the Fatigue Damage Process of Rubberized Concrete and Plain Concrete by AE Analysis

2011  Post Rehabilitation Assessment of System Integrity and Effectiveness of Retro Fitted Cathodic Protection Using Long Term Acoustic Monitoring Data

2011  Procedures for Fatigue Crack Growth Monitoring and Fatigue Life Prediction Using Acoustic Emission Data and Neural Networks

2011  Restrained Shrinkage Cracking in Concrete Elements: Role of Substrate Bond on Crack Development

2011  Simulation of Gas Pipeline Leak Detection Based on Acoustic Emission and Wavelet Packet Analysis

2011  Velocity Contour Weighting Method. II: Evaluation in Trapezoidal Channels and Roughness Sensitivity

2010  Acoustic Based Condition Assessment of Asbestos Cement Water Transmission Laterals

2010  Acoustic Particle-Size Analyzer for Planetary Exploration

2010  Acoustic Wall Thickness Assessment of Large Diameter Mains

2010  Aquatic Habitat Bottom Classification Using ADCP

2010  Assessment of Construction Joint Effect in Full-Scale Concrete Beams by Acoustic Emission Activity

2010  Comparative Study of Acoustic Emission and Scanning Electron Microscope to Evaluate Fracture Process Zone in Concrete Beams

2010  Damage Monitoring of Bridge Cable through Acoustic Emission Technique

2010  Embedded Cement-Based Piezoelectric Sensors for Acoustic Emission Detection in Concrete

2010  Estimation of Power Spectra of Acoustic-Doppler Velocimetry Data Contaminated with Intermittent Spikes

2010  Field Investigation of Acoustic Performance of Various Asphalt Surface Mixes

2010  Monitoring Suspended Sediment Dynamics Using MBES

2010  Pipe Wall Evaluation Using Acoustic Pulses

2010  Relationship between Acoustic Backscatter Strength and Suspended Sediment Concentration using a 6 MHz Nortek Vector Velocimeter

2010  Subcritical Contraction for Improved Open-Channel Flow Measurement Accuracy with an Upward-Looking ADVM

2010  Underwater Acoustic Imaging Devices for Portable Scour Monitoring

2010  Vehicle Acoustic Signal Signature Recognition Based on Karhunen-Loeve Transform

2009  Acoustic Fiber Optic Monitoring: How It Is Changing the Remaining Service Life of the Water Authority’s Pipelines

2009  Acoustic Methods for Determining Remaining Pipe Wall Thickness in Asbestos Cement and Ferrous Pipes

2009  Advances in Acoustic Methods for Locating Leaks in Plastic Pipe and Trunk Mains

2009  Airborne Acoustic Method to Determine the Volumetric Water Content of Unsaturated Sands

2009  Assessing 380km of PCCP Using Acoustic Monitoring — A Comparison of Technologies

2009  Creep-Damage Coupled Effects: Experimental Investigation on Bending Beams with Various Sizes

2009  Design and Field Evaluation of Hybrid FRP/Reinforced Concrete Superstructure System

2009  Experimental Characterization and Optimization of Hybrid FRP/RC Bridge Superstructure System

2009  Global Monitoring of Large Concrete Structures Using Acoustic Emission and Ultrasonic Techniques: Case Study

2009  Investigation of Two Elemental Error Sources in Boat-Mounted Acoustic Doppler Current Profiler Measurements by Large Eddy Simulations

2009  Mean Flow and Turbulence around a Laboratory Spur Dike

2009  A Semi-Analytical Method for Solving Structural Noise of Viaduct Box Beam

2009  Traffic Incident Acoustic Recognition Based on Wavelet Decomposition and SVM

2009  Use of Acoustic Monitoring Data for PCCP Condition Assessment

2008  1 kW Power Transmission Using Wireless Acoustic-Electric Feedthrough (WAEF)

2008  Acoustic Emission Characteristics and Damage Evolution Model of Steel Strands in Tensile Test

2008  Acoustic Monitoring of Terrorist Intrusion in a Drinking Water Network

2008  Bathymetric Survey and Acoustic Sediment Profiling of Fort Hood, Texas Sediment Retention Ponds and Cowhouse Reach, Belton Lake

2008  Cement-Based Piezoelectric Sensor for Acoustic Emission Detection in Concrete Structures

2008  Determination of Soil Characteristic Frequency Using Acoustic Techniques

2008  Estimation of Soil Permeability Using an Acoustic Technique

2008  Evaluation of an Un-Tethered Free-Swimming Acoustic Leak Detection Technology

2008  Feasibility of Treating Contaminated Dredged Sediments Using Ultrasound with Acoustic and Flow Fields

2008  Flow Structure at Different Stages in a Meander-Bend with Bendway Weirs

2008  Hot-Spot Damage Monitoring in Aerospace Composites Using Acoustic Bandgap (ABG) Sensors