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Design Considerations to Improve Per...

University of Colorado at Denver., Civil Engineering.

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Design Considerations to Improve Performance of Geosynthetic Reinforced Mechanically Stabilized Earth Walls in Transportation Infrastructure.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Design Considerations to Improve Performance of Geosynthetic Reinforced Mechanically Stabilized Earth Walls in Transportation Infrastructure./
作者:	Peters, Braden M.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	109 p.
附註:	Source: Masters Abstracts International, Volume: 56-04.
Contained By:	Masters Abstracts International56-04(E).
標題:	Civil engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10262857
ISBN:	9781369738605

Design Considerations to Improve Performance of Geosynthetic Reinforced Mechanically Stabilized Earth Walls in Transportation Infrastructure.
Peters, Braden M.

Design Considerations to Improve Performance of Geosynthetic Reinforced Mechanically Stabilized Earth Walls in Transportation Infrastructure. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 109 p.

Source: Masters Abstracts International, Volume: 56-04.

Thesis (M.S.)--University of Colorado at Denver, 2017.

For approximately 40 years, Mechanically Stabilized Earth (MSE) walls have become increasingly popular and generally accepted as a standard earth retaining structures. MSE walls are an economic solution to grade separation needs and are being constructed at a rate of hundreds of thousands of square feet annually. National and International organizations have published guidelines for the design and construction of MSE walls. Although catastrophic failure of MSE walls is rare, many walls have exceeded the intended performance criteria leading to costly repairs or ongoing maintenance. (Samtani and Nowatzki, 2016) estimate a serviceability failure rate of 10% and structural failure rate of 1%, Valentine (2013) estimated that the failure rate of Geosynthetic Reinforced MSE (GMSE) walls in the U.S. is as high as 5%, and the National Concrete Masonry Association (NCMA) has estimated a 2% to 8% failure rate nationally for GMSE walls. This is unacceptable for engineered structures in transportation facilities.

ISBN: 9781369738605Subjects--Topical Terms:

860360
Civil engineering.

Design Considerations to Improve Performance of Geosynthetic Reinforced Mechanically Stabilized Earth Walls in Transportation Infrastructure.
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500 $a Source: Masters Abstracts International, Volume: 56-04.
500 $a Adviser: Chengyu Li.
502 $a Thesis (M.S.)--University of Colorado at Denver, 2017.
520 $a For approximately 40 years, Mechanically Stabilized Earth (MSE) walls have become increasingly popular and generally accepted as a standard earth retaining structures. MSE walls are an economic solution to grade separation needs and are being constructed at a rate of hundreds of thousands of square feet annually. National and International organizations have published guidelines for the design and construction of MSE walls. Although catastrophic failure of MSE walls is rare, many walls have exceeded the intended performance criteria leading to costly repairs or ongoing maintenance. (Samtani and Nowatzki, 2016) estimate a serviceability failure rate of 10% and structural failure rate of 1%, Valentine (2013) estimated that the failure rate of Geosynthetic Reinforced MSE (GMSE) walls in the U.S. is as high as 5%, and the National Concrete Masonry Association (NCMA) has estimated a 2% to 8% failure rate nationally for GMSE walls. This is unacceptable for engineered structures in transportation facilities.
520 $a So why are failure rates so much higher than other earth retaining structures? The common conclusion amongst engineers is incompetent construction, (e.g., inappropriate backfill, poor compaction, improper grading, etc.). By evaluating a variety of observed adverse wall performance, this report concludes that the majority of failures could have been avoided in design. Based on an understanding of important design considerations and applying an acceptable level of risk, overall GMSE wall performance can be improved.
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