San Antonio River Tunnel Inlet Physical Model Development and Study
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San Antonio River Tunnel Inlet Physical Model Development and Study
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2001-12
Publisher
St. Anthony Falls Laboratory
Type
Report
Abstract
In October 1998, the San Antonio River Tunnel project experienced its largest flood to
date. During that event the Removable Splitter Wall (RSW) vortex suppression device
was damaged: The lower two panels apparently vibrated and broke due to fatigue. The
RSW was comprised of nine 25-ft long, by 6-ft high and I1-in thick panels. Each panel
was constructed of reinforced concrete with a C-channel framing the each edge.
According to Corps of Engineers staff, structural engineers have determined that the
failures, each at approximately the third points, were characteristic of a fatigue failure
(Photo 1). From Photo 2 of the panels being lifted from the inlet shaft, the panels broke
approximately 9 feet from the downstream end. The points of failure were also reported
to coincide with the lifting holes for the panels.
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451
451
Funding information
Halff Associates, Inc.; US Army Corps of Engineers
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Thene, John R.; Richard, Christopher A.; Gulliver, John S.. (2001). San Antonio River Tunnel Inlet Physical Model Development and Study. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/113355.
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