Tie-ballast interaction.

Rose, Jerry G.; Souleyrette, Reginald R.; McHenry, Mike; Greenwell, Travis; Peng, Xu; Brown, Michael; LoPresti, Joseph; National University Rail Center (U.S.)

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Tie-ballast interaction.

2015-09-28
By Rose, Jerry G. ; Souleyrette, Reginald R. ; McHenry, Mike ; ...

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English

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Details:

Alternative Title:

Tie-ballast interaction : technical summary.
Creators:

Rose, Jerry G. ; Souleyrette, Reginald R. ; McHenry, Mike ; Greenwell, Travis ; Peng, Xu ; ... More +

Rose, Jerry G. ; Souleyrette, Reginald R. ; McHenry, Mike ; Greenwell, Travis ; Peng, Xu ; Brown, Michael ; LoPresti, Joseph Less -
Corporate Creators:

National University Rail Center (U.S.)
Subject/TRT Terms:

[+]

Ballast (Railroads) Ballast Crib Bearing Capacity Railroad Ties Railroad Tracks Tie-ballast Interaction
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

National University Rail Center (U.S.)
Abstract:

Improvements in railroad efficiency in the future may likely require higher passenger train speeds and heavier freight axle loads. As the demand for more efficient rail transportation grows, so does the need for higher performance and lower maintenance track. To attain higher performing track, a better understanding of the track's behavior and the interaction of its components are required. An important component of the conventional railroad track structure is the magnitudes and distribution of interfacial pressures between the ballast and ties. This interface impacts many functions of both the tie and the ballast including initiating pressure distribution into the ballast layer, allowing for track geometry adjustment through tamping, and providing vertical, lateral, and longitudinal track stability. Common track issues such as ballast degradation, tie degradation, tie center-binding, and differential track settlement are greatly impacted by the ballast-tie interface pressure level.
Format:

PDF
Funding:

Grant Number: DTRT12-G-UTC18 ; NURail Project IDs: NURAIL2013-UKY-R05 ; NURAIL2013-UKY-R07

Grant Number: DTRT12-G-UTC18 ; NURail Project IDs: NURAIL2013-UKY-R05 ; NURAIL2013-UKY-R07 Less -
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:f9daf4b2046ea0fdaf718a27d4403f072837d61062c309ab5ed230a47180f2b7
Download URL:

https://rosap.ntl.bts.gov/view/dot/30854/dot_30854_DS1.pdf
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Tie-ballast interaction.

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