Route 980, Bent #38: a damage and repair assessment ; final report to CalTrans Office of Structures Design
M. J. N. Priestley, Frieder Seible, California. Dept. of Transportation. Office of Structures Design
Dept. of Applied Mechanics and Engineering Sciences, University of California, San Diego, 1989 - Nature
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15886 COMPRESSION STEEL 18 bars 1a,b and 2b 55214 TENSION STEEL 980 southbound connector ACI RECTANGULAR COLUMNS Anchorage failure Assuming fy AXIAL LOAD kN bend CalTrans cap joint column flexural column top COMPRESSION STEEL AREA compression stress compression struts develop concrete jacket cover concrete damage development length diagonal joint shear dowels EDSEP-FFRM END FORCES MEM equivalent base shear existing concrete Federal Highway Administration flexural strength FORCES FRAME MEMBER FORCES MEM LOAD FRAME MEMBER END girder grouting hinge horizontal joint shear joint region joint shear cracks joint shear reinforcement joint shear stress kip ft low ultimate strain MEM LOAD NODE MEMBER END FORCES MEMBER FORCES FRAME Negative Moment Fig OOOE+00 OOOE+00 OOOE+00 OOOE+OO OOOE+OO OOOE+OO possible repair rebar repair measures Roughen Route 980 southbound seismic SHEAR AXIAL TORQUE shear capacity SIDE STEEL AREA STEEL AREA sq strain-age embrittlement Structural Engineering TENSION STEEL AREA TOTAL STEEL AREA