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Work22

Resource type

Masters Thesis9
Report5
Research Paper4
Presentation2
Project1
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Creator

Charles H. Dowding6
Hasan Ozer3
Matthew P. Kotowsky3
David E. Kosnik2
Kevin M. O'Connor2
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Keyword

Structural health monitoring [remove]22
Cracking of concrete3
Time-domain reflectometry 2
Wireless sensor networks 2
Cement rheology1
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Language

English20
English 1

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Northwestern University Libraries 12
Northwestern University Libraries 8
Northwestern University Library 2

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Infrastructure Technology Institute Publications22

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Wireless Sensor Networks for Monitoring Cracks in Structures

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
Wireless Sensor Networks for Monitoring Cracks in Structures: Source Code and Configuration Files

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
Autonomous Crack Displacement Monitoring of a Residence Near a Quarry

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
Qualification of Autonomous Crack Monitoring Systems

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
Wireless Sensor Networks for Crack Displacement Measurement

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
Florida SR-66 Sinkhole Monitoring

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
Crack Response of a Historic Structure to Weather Effects and Construction Vibrations

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
Standardization of Automated Crack Monitoring Apparatus for Long-Term Commercial Applications

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
Crack Response to Weather Effects, Blasting, and Construction Vibrations

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
Comparison of Measured Crack Response in Diverse Structures to Dynamic Events and Weather Phenomena

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

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