New Guidelines And Infrastructure Improvements In New...

New Guidelines and Infrastructure Improvements in New Orleans With the tremendous loss of life and destruction of property that resulted from Hurricane Katrina, the American Society of Civil Engineers and the U.S. Army Corps of Engineers (USACE) began redesigning and implementing new hurricane prevention system guidelines. Through extensive studies, it was evident that the structures for the levees were constructed on weak and compressible soil. â€Å"Although the geology of the area was relatively well known and borings taken were reasonably adequate for characterizing the variety of conditions in the area, the spacing could have missed local anomalies in soil type and strength† (USACE I-119). As a result, geotechnical engineers suggested a†¦show more content†¦The reasoning for this replacement pertains to the overall performance during Hurricane Katrina. Based on calculations, the T-walls were more resilient to overtopping and instability compared to the I-walls and L-walls. Furthermore, T-walls are not as susceptible to cata strophic failure when impacted by debris or potential freight vessels, and the steel sheet piling could prevent seepage and potential accumulation of water pressure underneath the structure. In other words, the catastrophe that occurred at the London Avenue Canal, where water pressure deflected the levee, would have a lower probability of occurring from future tropical storms. In addition to changes in soil composition and levee design, changes to policies regarding levee armoring were implemented. Previously, levees were guarded by stone as armoring material. However, this presented a problem of lack of testing and lack of guidance on hydraulic issues. One such problem is the thickness of the stone with respect to the depth of wave run-up. According to USACE, â€Å"in order for stone to withstand the magnitude of velocities experienced during Hurricane Katrina computed by IPET (the Interagency Performance Evaluation Task Force), the thickness calculated had to be considerably larger than the depth of water incurred, whichShow MoreRelatedThe Management and Control of Quality 8e34169 Words   |  137 Pagesquality. Answer: F AACSB: Analytic Skills The employee who conducts a final product inspection is the principle judge of quality under total quality. Answer: F AACSB: Reflective Thinking Skills Process management is an element of the total quality infra structure. Answer: T AACSB: Analytic Skills Effective business planning considers the customer as the only relevant stakeholder to the company. Answer: F AACSB: Reflective Thinking Skills 10. 11. 12. 13. 14. 15. 16. 17. Page 2Read MoreAnnotated Bibliography: Plagiarism39529 Words   |  158 PagesCarabali, J. M. and Hendricks, D. 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