Development of an Analytical Approach to Highway Barrier Design and EvaluationState of New York, Department of Public Works, Bureau of Physical Research, 1963 - Roads - 142 pages |
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acceleration APPARENT IMPACT applied load approximately assumed axial tension barrier center line bending moment BOX BEAM C₂ cable centerline CG POSITION CG TEST CG VELOCITY COMPONENT OF CG contact point CORRESPONDS deformation displacement dynamic elastic eliminated posts end anchorages equation experimental FRONT WHEELS full-scale tests GUIDE RAIL heading angle impact angle inches increment INITIAL BARRIER CONTACT last yielded post Lateral barrier deflection lateral deflection lateral load LATERAL VELOCITY lb-in lb/in linear LOAD CELL load-deflection characteristics load-deflection curve M₂ Median Barrier MILLISEC MILLISECONDS Moment of inertia multiflora rose obtained parameters plastic plastic bending plastic yield pocketing POSTS ACTIVE posts eliminated pounds predicted and measured primary collision rail element rear collision secondary collision simulate slip angles slope T₂ TEST DATA three spans tion trajectory calculation undeflected barrier vehicle contact VEHICLE TRAJECTORY VELOCITY AT IMPACT X-COMPONENT X-Y PLOT ΕΙ