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|Title:||Engineering condition survey and structural investigation of Marsh Arch Bridge, Fort Riley, Kansas|
|Authors:||United States. Army. Corps of Engineers. Kansas City District.|
Liu, Tony C.
Marsh Arch Bridge
|Publisher:||Concrete Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; C-77-1.|
Abstract: This report presents the results of an engineering condition survey and structural investigation of Marsh Arch Bridge over the Republican River at the west side of Fort Riley, Kansas. A visual inspection of the bridge with special attention given to concrete cracking, spalling, and deterioration was performed. Fourteen concrete core samples were taken and laboratory tests were performed to determine the cause and extent of deterioration and to obtain mechanical properties necessary for stress analyses. Detailed stress analyses were performed to determine the stress conditions in the bridge. Based on the results of this investigation, it can be concluded that the bridge is in an advanced state of deterioration and any practical repairs will not be economically feasible. Although the bridge is still considered to be structurally adequate for the present traffic conditions (i.e., one-lane traffic with 10-ton load limit), catastrophic failure could occur in the not too distant future because the rate of the deterioration will be accelerated due to the existence of large concrete cracks and the exposure of the steel elements. It is, therefore, recommended that an early action toward replacement of this bridge (both super- and substructures) be initiated.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Miscellaneous Paper|
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|MP-C-77-1.pdf||4.2 MB||Adobe PDF|