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Institute of Transportation Studies Friday Seminar: A sensor-based and spatially-enabled system for next generation Intelligent

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Friday's Transportation Seminar is all about smart infrastructure. James Tsai from Georgia Tech presents, "A sensor-based and spatially-enabled system for next generation Intelligent and sustainable infrastructure management."

Roadway infrastructures, including pavements, bridges, and signs are deteriorating rapidly due to material aging, improper usage, harsh environments, and damages resulting from natural or man-made hazards. With the advancement of sensor technologies, it become feasible to collect the large-scale in-field detailed infrastructure data, such as 3D pavement surface data, using high-performance cameras, lasers, LiDARs, and Inertial Navigation System (INS) to gain better insight understanding of the large-scale in-filed infrastructure behavior. This talk first presents a framework for the sensor-based and spatially-enabled next generation Intelligent and sustainable infrastructure management system, including the key components of data acquisition, automatic information extraction, data integration, and intelligent infrastructure management. An intelligent sensing system has been developed, using 2D Imaging, Laser, LiDAR, and GPS/GIS Technologies with artificial intelligent and pattern recognition to automatically detect pavement surface distress, including rutting, cracking, raveling, etc. along with their detailed level characteristics for determining pavement health condition. The availability of high-resolution roadway images, 3D pavement surface data, and 3D LiDAR data has brought us a great opportunity and new challenges. This calls for a new concept to model this detailed level of big data for revealing new values for infrastructure management. First, we need to effectively extract valuable decision-support from this big data. For cracking, an innovative crack fundamental element (CFE) model that is a topological representation of cracks to support crack classification, diagnosis, and intelligent pavement management will be presented; this CFE provides researchers a mathematical foundation for modeling large-scale, in-field pavement/infrastructure crack characteristics to study crack propagation behavior at multiple scales will be presented. Examples of developing an innovative and sustainable pavement preservation method and developing intelligent crack sealing planning using emerging sensor technologies will also be presented.

The Friday Transportation Seminar takes place on September 12, 2014 from 4:00-5:00 PM in 290 Hearst Memorial Mining Building. Cookie Hour immediately precedes it at 3:30 PM in the same location. (Note: Cookie Hour is not in the library!) There will be a no-host Happy Hour at LaVal's at 5:00 PM.

Friday Seminar: A statistical process control framework to support health-monitoring

Overseas (Old) Highway Bridge, Missouri & Ohio  Key Channel

This week's TRANSOC Friday Seminar is all about infrastructure! Pablo L. Durango-Cohen from Northwestern University will talk about structural health-monitoring. 

In this talk, we describe development and field application of a process control framework to support structural health-monitoring and management of transportation infrastructure. The work is motivated by technological advances that allow for continuous, long-term, simultaneous collection of various response measurements, as well as the factors that contribute deterioration. The framework provides an integrated, generally-applicable (to various types of structural response data) statistical approach that links performance modeling and structural health monitoring. The framework consists of two parts: The first, estimation of statistical models to explain, predict, and control for common-cause variation, i.e., changes, including serial dependence that can be attributed to usual operating conditions. The ensuing standardized innovation series are analyzed in the second part of the framework, where we use single and multivariate control charts to detect special-cause or unusual events. We illustrate the proposed framework with analysis of strain and displacement data from the monitoring system on the Hurley Bridge (Wisconsin Structure B-26-7).

The seminar takes place Friday, November 8, 2013 in 534 Davis from 4:00-5:00 PM. Cookie Hour (of course) precedes in the library at 3:30. 

Goodbye old Bay Bridge, Hello new Bay Bridge

Bay Bridge Under Construction

Starting this evening, the Bay Bridge will close and reopen Tuesday September 3 at 5:00 am. Over the weekend the final touches will be put on the new Eastern Span and on Tuesday morning, you can have a new driving experience across that span. You will no longer have to contend with the S-Curve. There will be bicycle and pedestrian access! (Though only to Treasure Island... and even that isn't quite ready yet.) The old span will still be around for some time though, as it's going to take 3 years to dismantle

Of course traffic will be a mess. 511.org has been suggested to help with trip planning and BART will be running 24 hours over the weekend. Transit is usually regarded as an effective tool to mitigate the impact of these sorts of closures. Could this sort of disrpuption lead to policy and travel behavior change?

Oh and we can't forget the launch of Bay Area Bikeshare

If you were lucky enough to go on one of the bridge tours this weekend, have fun! Everybody else, hold tight. 

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