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-
- Description:
- This thesis consists of the data and analysis of structural responses for two different studies: the Office of Surface Mining (OSM) study of the velocity response of “atypical” residential structures and the Autonomous Crack Monitoring (ACM) study. The main basis of this thesis was to do additional analysis on a...
- Keyword:
- Structural health monitoring
- Creator:
- Laureen M. McKenna
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2002-03
- Resource Type:
- Masters Thesis
-
- Description:
- This appendix synthesizes micrometer changes in crack width in response to both long term (environmental) and transient (blast vibration) of four of the structures in the main body. The appendix begins with a description of the genesis of the study and instruments employed. Response of the distressed wood-framed structure in...
- Keyword:
- Structural health monitoring
- Creator:
- Charles H. Dowding and Laureen M. McKenna
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2003
- Resource Type:
- Other
-
- Description:
- Autonomous Crack Measurement (ACM) facilitates simultaneous measurement of crack response to environmental changes and vibrations produced by various construction activities. Dual-purpose crack displacement sensors measure crack response, while the vibration environment is defined by standard seismological transducers and the weather environment is defined as changes in temperature and humidity. This...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- Mickey L. Snider
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2003-05
- Resource Type:
- Masters Thesis
-
- Description:
- All structures have cosmetic cracks, which have no influence on structural integrity and usually remain unremarked until the structure’s occupants sense ground vibrations. Such vibrations are often associated with engineering activity, but are rarely responsible for cracks. However, this is difficult to prove without scientific basis. Automated Crack Monitoring (ACM)...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- Markian B. Petrina
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2004-08
- Resource Type:
- Masters Thesis
-
- Description:
- Cosmetic cracks are very common in structures, and most of the time they remain unnoticed and do not decrease the structural integrity. Although these cracks are unremarkable and barely noticeable, occupants become concerned about these cracks when construction occurs nearby. In order to investigate the true nature of these cracks,...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- Remi Baillot
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2004-12
- Resource Type:
- Masters Thesis
-
- Description:
- In early 2001, a sinkhole formed directly under State Road 66 near the city of Sebring in Highlands County, Florida. The Florida DOT built a land bridge over the sinkhole and the road was reopened to traffic. Since SR-66 is an important regional trucking route, it was decided that the...
- Keyword:
- Structural health monitoring
- Creator:
- David E. Kosnik
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2005
- Resource Type:
- Report
-
- Description:
- Miniaturized, wireless instrumentation is now a reality and this thesis describes development of such a system to monitor crack response. Comparison of environmental (long-term) and blast-induced (dynamic) crack width changes in residential structures has lead to a new approach to monitoring and controlling construction vibrations. In wireless systems transducer power...
- Keyword:
- Structural health monitoring
- Creator:
- Hasan Ozer
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2005
- Resource Type:
- Masters Thesis
-
- Description:
- Crack and structural response to construction trench blasting was measured in a woodframe house with a stucco exterior. Blasts at distances between 232 m to 368 m produced peak particle velocities (PPV) and air blast over pressures (AB) of 9 mm/sec and 0.02 kPa (123 dB), respectively. Structural response velocities...
- Keyword:
- Structural health monitoring
- Creator:
- Charles H. Dowding , Catherine T. Aimone-Martin, and Vitor L. Rosenhaim
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2005
- Resource Type:
- Research Paper
-
- Description:
- This thesis summarizes two further developments of the Autonomous Crack Monitoring (ACM) system, which facilitates simultaneous measurement of crack response to environmental changes and various dynamic events. The first component was measurement of crack responses in three different materials and locations in a residential structure subjected to ground vibrations produced...
- Keyword:
- Structural health monitoring
- Creator:
- Mike J. Waldron
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2006-06
- Resource Type:
- Masters Thesis
-
- Description:
- This thesis summarized the qualification and testing of two commercial Autonomous Crack Monitoring (ACM) systems for use in measuring micrometer displacement of cracks. Qualification involved the assessment of both laboratory and field performance in a residential structure subjected to nearby quarry blasting for the production of roadway aggregate. Aggregate and...
- Keyword:
- Structural health monitoring
- Creator:
- Brandon G. Hughes
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2006-06
- Resource Type:
- Masters Thesis
-
- Description:
- A unique judicial opportunity allowed measurement of the response of three cracks in residential structure to blasting for underground aggregate mining. Instrumented cracks were located in the interior basement CMU mortar and upstairs dry wall as well as exterior brick work. The dynamic environment was unusual. Even though the blasting...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- Mike Waldron, G.F. Revey, and C.H. Dowding
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2007
- Resource Type:
- Research Paper
-
- Description:
- Micro-meter dynamic crack responses in a two story structure to rock blasting- and wind gust- excitation are compared to those induced by long term climatological effects. These measurements substantiate the conservancy of the 12.5 mm/s (0.5 in./s) blasting vibration control to protect residential structures against cracking. The test structure was...
- Keyword:
- Micrometers , Blast effect , Structural health monitoring, and Cracking of concrete
- Creator:
- Charles H. Dowding and C. T. Aimone-Martin
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2007
- Resource Type:
- Research Paper
-
- Description:
- This paper describes the technology and methods deployed in the continuous autonomous remote monitoring of cracks in interior and exterior walls of a residence near a limestone quarry. The object is to quantitatively compare crack response to blast-induced ground motion to that induced by diurnal temperature changes, weather fronts, and...
- Keyword:
- Cracking of concrete and Structural health monitoring
- Creator:
- David E. Kosnik
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2008-03-21
- Resource Type:
- Research Paper
-
- Description:
- In this paper vibratory crack response is compared to that produced by volumetric changes in foundation soils induced by natural events. These natural phenomena include changes in the water table, changes in soil moisture, and formation of ice lenses to name a few. Previous papers have compared vibratory responses of...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- V. Rosenhaim, Catherine Aimone-Martin, Jeffrey Meissner , and Charles H. Dowding
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2009
- Resource Type:
- Research Paper
-
- Description:
- This paper describes the technology and methods deployed in the continuous autonomous remote monitoring of cracks in interior and exterior walls of a residence near a limestone quarry. The objective is to quantitatively compare crack response due to blast-induced ground motion to that induced by diurnal temperature changes, weather fronts,...
- Keyword:
- Structural health monitoring and Cracking of concrete
- Creator:
- David E. Kosnik
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2009
- Resource Type:
- Research Paper
-
- Description:
- Cosmetic and structural cracks are a large concern for homeowners. Although these cracks can develop from a variety of causes: differential foundation settlement, occupant activity, climatological effects, as well as dynamic events, people tend to look to dynamic events like blasting, construction, or traffic vibrations to be the culprit. This...
- Keyword:
- Crack responses , Structural integrity assessment , and Ground motions
- Creator:
- Jeffrey Meissner and Charles H. Dowding
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2009
- Resource Type:
- Report
-
- Description:
- The notion of blasting, even in a controlled setting such as a limestone quarry, can be alarming to residents and business owners within earshot. Because humans are inherently sensitive to blast-induced vibrations, they perceive that the structures in which they live in are equally sensitive. The goal of this project...
- Keyword:
- Ground motion, Concrete block structure, and Structural health monitoring
- Creator:
- Charles H. Dowding and Jeffrey E. Meissner
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2009
- Resource Type:
- Report
-
- Description:
- This appendix contains all software used to program the MICA2 motes for Version 1 of the MICA2-based wireless ACM system. This appendix is organized by software directory and only the modified files are included.
- Keyword:
- Structural health monitoring , Wireless sensor networks , and Source code
- Creator:
- Matthew P. Kotowsky
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Software or Program Code
-
- Description:
- Autonomous Crack Monitoring (ACM) and Autonomous Crack Propagation Sensing (ACPS) are two types of structural health monitoring in which characteristics of cracks are recorded over long periods of time. ACM seeks to correlate changes in widths of cosmetic cracks in structures to nearby blasting or construction vibration activity for the...
- Keyword:
- Structural health monitoring and Wireless sensor networks
- Creator:
- Matthew P. Kotowsky
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Masters Thesis
-
- Description:
- This manual describes use of a new hybrid autonomous crack and structural response monitoring (ACSM) system. It is designed as a low cost alternative to the research grade version employing SOMAT’s eDAQ data recording system. The concept is to combine a new field portable, 24 bit, 12 channel seismograph with...
- Keyword:
- Structural monitoring system
- Creator:
- Thomas Koegel
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2011
- Resource Type:
- Other
-
- Description:
- The purpose of this comparative field qualification is to demonstrate the new Kelunji EchoPro hybrid ACSM system and its performance relative to the eDAQ and eko Motes systems. These three systems are installed at a test site in Sycamore, IL, adjacent to an active quarry. Data for this report was...
- Keyword:
- Infrastructure Technology Institute
- Creator:
- Thomas Koegel
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/28/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2011
- Resource Type:
- Report
-
- Description:
- This paper describes the details of installation and operation of a commercially- available wireless system to measure response of an interior cosmetic crack in a residential structure over a period of a year. Wireless data loggers managed the response of low power draw potentiometers that measured micrometer changes in crack...
- Keyword:
- structural health monitoring
- Creator:
- Dowding, C.H. , Kotowsky, M., and Koegel, T.
- Owner:
- Nurganym Agzamova
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2012
- Resource Type:
- Research Paper
-
- Description:
- A .rar folder with data files for the project on "Minimizing Shrinkage, Creep and Cracking Damage to Concrete Bridges", 2010.
- Keyword:
- Dataset
- Creator:
- Guang-Hua Li and Zdenek P. Bazant
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2008
- Resource Type:
- Dataset
-
- Description:
- An .xls file with data for the project on "Minimizing Shrinkage, Creep and Cracking Damage to Concrete Bridges (A423, A447)", 2010.
- Keyword:
- Dataset
- Creator:
- Kyung-Tae Kim
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Dataset
-
- Description:
- An .xls file with data for the project on "Minimizing Shrinkage, Creep and Cracking Damage to Concrete Bridges (A423, A447)", 2010.
- Keyword:
- Dataset
- Creator:
- Qiang Yu
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Dataset
-
- Description:
- An .xls file with data for the project on "Minimizing Shrinkage, Creep and Cracking Damage to Concrete Bridges (A423, A447)", 2010.
- Keyword:
- Dataset
- Creator:
- Kyung-Tae Kim
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Dataset
-
- Description:
- Despite a relatively mature technology for its control, corrosion caused by stray current from electrified rapid-transit systems costs the United States approximately $500 million annually. Part of that cost is the result of corrosion of the electrified rapid-transit system itself, and part is the result of corrosion on neighboring infrastructure...
- Keyword:
- Stray current corrosion
- Creator:
- Barlo, Thomas J. and Zdunek, Alan D.
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1995-05
- Resource Type:
- Report
-
- Description:
- The finite element method is used to investigate failure mechanisms in pin-hanger connection in aging highway bridges. Bridge pins and hangers are typically considered as critical elements whose failure may result in partial or entire collapse of the structure. The primary function of a pin-hanger connection is to allow for...
- Keyword:
- Structural integrity assessment
- Creator:
- Houcque, David
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/22/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2008-06
- Resource Type:
- Dissertation
-
- Description:
- The in-depth inspection by WIDOT detected two sites that had visible cracks in the stiffener-to-hanger diaphragm welds, the east side of Hanger 6 in the north tie girder, and the east side of Hanger 4 in the south tie girder. Additionally, many ultrasonic indications were detected by WIDOT in the...
- Keyword:
- Acoustic emission testing
- Creator:
- David W. Prine
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/26/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1993-06-16
- Resource Type:
- Report
-
- Description:
- This report describes the results of applying acoustic emission (AE) testing to the trunnion shafts of the East Span of the 1-5 Interstate Bridge. The tests were done at the request of Oregon DOT personnel to determine if active fatigue racks are present in the subject shafts.
- Keyword:
- Acoustic emission testing
- Creator:
- David W. Prine
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/26/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1994-11-30
- Resource Type:
- Report
-
- Description:
- The U.S. has 542,000 bridges that consume billions of dollars per year in construction, rehabilitation and maintenance funds and which are the lifelines of U.S. commerce. The 1992 ISTEA (fntermodal Surface Transportation Efficiency Act) mandates the implementation of a quantitative computerized bridge management system by I 996. A prime need...
- Keyword:
- Acoustic emission testing
- Creator:
- David W. Prine
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/26/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1995-06-06
- Resource Type:
- Report
-
- Description:
- Current bridge condition determination is based almost entirely on the use of visual inspection. This approach to bridge inspection provides data that is subjective and not traceable. Nondestructive evaluation (NDE) is a tool that in actuality is little used on bridges, but could eliminate much of the subjectivity of the...
- Keyword:
- Acoustic emission testing
- Creator:
- Prine, David
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1995-05
- Resource Type:
- Report
-
- Description:
- This report shows the results of acoustic emission (AE) monitoring, and provides additional information on the nature of the ultrasonic indications in the north east trunnion shaft.
- Keyword:
- Acoustic emission testing
- Creator:
- Jerome E. Oleksy and David W. Prine
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1996-05
- Resource Type:
- Report
-
- Description:
- A remote global monitoring system is being operated on a 65 year old lift bridge in Sturgeon Bay Wisconsin. The system uses both strain gages and clinometers to continuously monitor the "health" of the fracture critical components of the bridge. Ruggedized miniaturized data loggers are locally mounted on the structure...
- Keyword:
- Acoustic emission testing
- Creator:
- Fish, Philip and Prine, David
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1997
- Resource Type:
- Report
-
- Description:
- This technical report shows the findings of acoustic emission and strain gage monitoring tests conducted by research engineers of Infrastructure Technology Institute from Northwestern University on April 18, 1997 in Sacramento, California.
- Keyword:
- Acoustic emission testing
- Creator:
- Marron, Daniel and Prine, David W.
- Owner:
- Nurganym Agzamova
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1997-04-18
- Resource Type:
- Report
-
- Description:
- This report includes the findings of acoustic emission (AE) tests on the Fremont tied arch bridge in Portland Oregon conducted by research engineers from the Infrastructure Technology Institute of Northwestern University on March 24th, 1997.
- Keyword:
- Acoustic emission testing
- Creator:
- Prine, David
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 1997
- Resource Type:
- Report
-
- Description:
- This paper describes application of AE monitoring techniques to localize the sources of large noises in civil structures. These noises occur during operation of moveable portions of a structure in such things as lift bridges and moveable sports stadium roofs. The use of straightforward AE monitoring techniques can provide clear...
- Keyword:
- Acoustic emission testing
- Creator:
- Prine, David
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2004
- Resource Type:
- Research Paper
-
- Description:
- Kosnik, D. E., Northwestern University . Infrastructure Technology Institute, Department of Civil Environmental Engineering, Robert R. McCormick School of Engineering Applied Science. (2008). A new approach to acoustic emission testing of difficult-to-reach steel bridge details. Evanston, Illinois: Infrastructure Technology Institute/Department of Civil & Environmental Engineering.
- Keyword:
- Acoustic emission testing
- Creator:
- Kosnik, David E.
- Owner:
- Nurganym Agzamova
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2008
- Resource Type:
- Research Paper
-
- Description:
- Acoustic emission (AE) testing was used to identify the source of audible “bangs” generated during opening and closing of a large, double-leaf rolling-lift bascule bridge. The data were analyzed using a combination of well-established AE techniques, including first hit analysis (FHA), planar location analysis, and linear location analysis. The FHA...
- Keyword:
- Acoustic emission testing
- Creator:
- Matthew P. Kotowsky , David E. Kosnik, David Corr, and David W. Prine
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2009-06-10
- Resource Type:
- Report
-
- Description:
- Scour is by far the primary cause of bridge failures in the United States. Scour and other hydraulic effects are particularly threatening because the deterioration is often invisible, hidden beneath turbid water. Many scour monitoring methods attempt to measure the development of scour pockets themselves. However, this is difficult due...
- Keyword:
- Scours at bridges and Tiltmeter
- Creator:
- Kosnik, David and Ng, Steve
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010-02-17
- Resource Type:
- Research Paper
-
- Description:
- Acoustic emission (AE) testing was deployed on details of two large steel Interstate Highway bridges: one cantilever through-truss and one trapezoidal box girder bridge. Quantitative measurements of activity levels at known and suspected crack locations were made by monitoring AE under normal service loads (e.g., live traffic and wind). AE...
- Keyword:
- Acoustic emission testing
- Creator:
- Kosnik, D. E. , Hopwood, T., and Corr, D. J.
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 06/21/2017
- Date Modified:
- 08/14/2017
- Date Created:
- 2010
- Resource Type:
- Research Paper
-
- Description:
- Traditional bottom-up mass spectrometry-based proteomics relies on the use of an enzyme, often trypsin, to generate small peptides (typically < 25 amino acids long). In top-down proteomics, proteins remain intact and are directly measured within the mass spectrometer. This technique, while inherently simpler than bottom-up proteomics, generates data which must...
- Keyword:
- ProSight Lite, Top-down, Bioinformatics, Proteomics, Mass spectrometry, and Intact protein
- Creator:
- Paul M Thomas, Caroline J DeHart, Ryan T Fellers, Luca Fornelli, and Neil L Kelleher
- Depositor:
- Joseph Brent Greer
- Owner:
- Proteomics Center of Excellence
- Publisher:
- Springer
- Date Uploaded:
- 08/03/2017
- Date Modified:
- 08/07/2017
- Date Created:
- 2017-02-02
- Resource Type:
- Dataset
- Alternate Identifier:
- doi:10.21985/N2Q07P
-
- Description:
- Contents: Volume 1, Number 1; Volume 1, Number 2; Volume 1, Number 3; Volume 1, Number 4; Volume 1, Number 5; Volume 2, Number 1; Volume 2, Number 2; Volume 2, Number 3; Volume 3, Number 1; Volume 3, Number 2; Volume 3, Number 3; Volume 3, Number 4; Volume...
- Keyword:
- africa, democracy, and politics and government
- Creator:
- Richard Joseph
- Depositor:
- Chris Diaz
- Owner:
- Richard A Joseph
- Publisher:
- Carter Center, Emory University
- Date Uploaded:
- 08/01/2017
- Date Modified:
- 08/01/2017
- Date Created:
- 1991-1995
- Resource Type:
- Journal
-
- Keyword:
- ratchet, charge transport, non-equilibrium, and organic semiconductor
- Creator:
- Bryan Lau, Ofer Kedem, Mark A. Ratner, and Emily A. Weiss
- Owner:
- Ofer Kedem
- Publisher:
- National Academy of Sciences of the United States of America
- Language:
- English
- Date Uploaded:
- 07/05/2017
- Date Modified:
- 07/31/2017
- Resource Type:
- Dataset
- Alternate Identifier:
- https://doi.org/10.21985/N2KD32
-
- Description:
- A qualitative evaluation of the Africa Demos forum from a small group of African scholars and one journalist writing on various topics related to Africa.
- Keyword:
- africa and democracy
- Creator:
- Richard Joseph
- Contributor:
- Stephen N. Ndegwa, Celestin Monga, Adigun Agbaje, Wilson Wanene, Tessy Bakary, Patrick Molutsi, Michael Chege, Patricia Williams, Kwame Ninsin, and Ruth Iyob
- Depositor:
- Chris Diaz
- Owner:
- Richard A Joseph
- Publisher:
- ASDP Occasional Publications
- Date Uploaded:
- 07/31/2017
- Date Modified:
- 07/31/2017
- Date Created:
- 1997
- Resource Type:
- Book
-
- Description:
- The segmental prestressed concrete box girder of Koror-Babeldaob (KB) Bridge in Palau, which had the record span of 241 m (791 ft.), presents a striking paradigm of serviceability loss due to excessive multi-decade deflections. The data required for analysis have recently been released and are here exploited to show how...
- Keyword:
- Nondestructive testing
- Creator:
- Qiang Yu, Zdenek P. Bazant , and Guang-Hua Li
- Owner:
- Nurganym Agzamova
- Publisher:
- Northwestern University Libraries
- Language:
- English
- Date Uploaded:
- 07/26/2017
- Date Modified:
- 07/26/2017
- Date Created:
- 2009-12
- Resource Type:
- Report
-
- Description:
- The Avalon Media System (Avalon) provides access and management for digital audio and video collections in libraries and archives. The open source project is led by the libraries of Indiana University Bloomington and Northwestern University and is funded in part by grants from The Andrew W. Mellon Foundation and Institute...
- Keyword:
- RDF, Avalon Media System, and metadata
- Creator:
- Young, Jennifer B. and Hardesty, Juliet H.
- Owner:
- Jennifer B Young
- Language:
- English
- Date Uploaded:
- 07/20/2017
- Date Modified:
- 07/24/2017
- Date Created:
- 2017-07-18
- Resource Type:
- Article
-
- Keyword:
- Carter Center, democracy, Africa, Ghana, Zambia, and Africa Demos
- Creator:
- Richard Joseph
- Depositor:
- Alison Blythe Brockman
- Owner:
- Richard A Joseph
- Date Uploaded:
- 07/19/2017
- Date Modified:
- 07/20/2017
-
Enhancing Electoral Integrity: Attahiru Jega and Nigeria’s Independent National Electoral Commission
- Keyword:
- INEC, elections, Somalia, electoral system, Africa, Ghana, South Africa, Uganda, and Nigeria
- Creator:
- John Campbell, Attahiru Jega, Rachel Riedl, Richard Joseph, Moses Khisa, and Salih Nur
- Depositor:
- Alison Blythe Brockman
- Owner:
- Richard A Joseph
- Date Uploaded:
- 07/19/2017
- Date Modified:
- 07/20/2017
-
- Keyword:
- development, corruption, Nigeria, and insecurity
- Creator:
- John Campbell, Richard Joseph, Juliet Sorenson, and Wale Adebanwi
- Depositor:
- Alison Blythe Brockman
- Owner:
- Richard A Joseph
- Date Uploaded:
- 07/19/2017
- Date Modified:
- 07/20/2017