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Full-Text Articles in Engineering
Field Performance Report On 1219 Mm Hdpe Pipe On Us 127, Owen County, L. John Fleckenstein, David L. Allen
Field Performance Report On 1219 Mm Hdpe Pipe On Us 127, Owen County, L. John Fleckenstein, David L. Allen
Kentucky Transportation Center Research Report
This report documents the installation and performance of a 1219 mm (48-inch) corrugated smooth lined polyethylene (HDPE) pipe installed during reconstruction of US 127 in Owen County. The pipe installed was manufactured by Advanced Drainage Systems, Inc., and is designated as ADS N-12. pipe.
The culvert was installed in a 6-meter (20-foot) high embankment. The culvert pipe was installed in two sequences. The first half of the structure was bedded and backfilled with No. 8 stone and the second half of the structure was bedded and backfilled with pipe sand (crushed limestone).
The pipe appears to be performing well. The …
The Airline Quality Rating 1998, Brent Bowen, Dean Headley, Uno Aviation Institute
The Airline Quality Rating 1998, Brent Bowen, Dean Headley, Uno Aviation Institute
Faculty Books and Monographs
UNOAI Report 98-1
The Airline Quality Rating (AQR) was developed and first announced in early 1991 as an objective method of comparing airline performance on combined multiple factors important to consumers. Development history and calculation details for the AQR rating system are detailed in The Airline Quality Rating issued in April, 1991, by the National Institute for Aviation Research at Wichita State University. This current report, Airline Quality Rating 1998, contains monthly Airline Quality Rating scores for 1997. Additional copies are available by contacting Wichita State University or the University of Nebraska at Omaha.
The Airline Quality Rating 1998 is …