I-girders method used to support existing railway operations during highway underpass construction

Chun-Hsing Ho, Junyi Shan, Feiyue Wang, Yiyang Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In metropolitan areas, when a highway underpass project is being planned to go beneath an existing railway corridor, there are a number of concerns that could have an impact on the project. For example, will the underpass construction impact the existing railway operations? How to maintain the construction safety in both rail and highway operations? This paper brings construction technology using I-girder systems to provide a solution for highway underpass projects constructing beneath the existing rail corridors. The I-girder systems have been proved as a reliable method for highway underpass construction without the interruption of railway operations. This type of I-girder systems has been widely used in several countries as a temporary "bridge" structure in support of dynamic rail movements during underpass construction. Depending on the spans of underpass structures, a contractor can decide the number of I-girder units to be assembled and installed on site. This paper describes the construction procedures of the I-girder systems installation and daily inspection processes. A case study is used to demonstrate the applicability of I-girder systems in ensuring underpass construction smoothly while maintaining existing railway operations in a safety manner. During the construction of underpass, the contractor encountered geotechnical issues that had a severe impact on the construction safety and the integrity of foundation. This paper further discusses strategies that were used to mitigate the potential building collapses and foundation failures. It is concluded the method of I-girder systems is capable of supporting railway dynamic movements during highway underpass construction.

Original languageEnglish (US)
Title of host publication2015 Joint Rail Conference, JRC 2015
PublisherAmerican Society of Mechanical Engineers
ISBN (Print)9780791856451
DOIs
StatePublished - 2015
EventASME/ASCE/IEEE 2015 Joint Rail Conference, JRC 2015 - San Jose, United States
Duration: Mar 23 2015Mar 26 2015

Other

OtherASME/ASCE/IEEE 2015 Joint Rail Conference, JRC 2015
CountryUnited States
CitySan Jose
Period3/23/153/26/15

Fingerprint

Underpasses
Beams and girders
German Federal Railways
Rails
Contractors
Temporary bridges
integrity
agglomeration area

ASJC Scopus subject areas

  • Transportation
  • Mechanical Engineering

Cite this

Ho, C-H., Shan, J., Wang, F., & Chen, Y. (2015). I-girders method used to support existing railway operations during highway underpass construction. In 2015 Joint Rail Conference, JRC 2015 American Society of Mechanical Engineers. https://doi.org/10.1115/JRC2015-5651

I-girders method used to support existing railway operations during highway underpass construction. / Ho, Chun-Hsing; Shan, Junyi; Wang, Feiyue; Chen, Yiyang.

2015 Joint Rail Conference, JRC 2015. American Society of Mechanical Engineers, 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ho, C-H, Shan, J, Wang, F & Chen, Y 2015, I-girders method used to support existing railway operations during highway underpass construction. in 2015 Joint Rail Conference, JRC 2015. American Society of Mechanical Engineers, ASME/ASCE/IEEE 2015 Joint Rail Conference, JRC 2015, San Jose, United States, 3/23/15. https://doi.org/10.1115/JRC2015-5651
Ho C-H, Shan J, Wang F, Chen Y. I-girders method used to support existing railway operations during highway underpass construction. In 2015 Joint Rail Conference, JRC 2015. American Society of Mechanical Engineers. 2015 https://doi.org/10.1115/JRC2015-5651
Ho, Chun-Hsing ; Shan, Junyi ; Wang, Feiyue ; Chen, Yiyang. / I-girders method used to support existing railway operations during highway underpass construction. 2015 Joint Rail Conference, JRC 2015. American Society of Mechanical Engineers, 2015.
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