## Analysis and testing of axial compression in imperfect slender truss strutsNational Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990 - Science - 27 pages |

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aluminum-clad graphite/epoxy struts applicability of linear axial compression tests axial shortening measurements Compression in Imperfect compression load compressive end loading concentricity error cross-sectional area cross-sectional concentricity cross-sectional dimensions curve fit curve for specimen eccentric compressive end eccentric cross section eccentrically loaded strut equation 12 Euler buckling load geometric nonlinearities given in equation half-sine initial imperfection Harold G hydraulic jack Imperfect Slender Truss inertia initial imperfection magnitude initial imperfection shape joint adaptor JXo dx Langley Research Center Limit of applicability linear analysis Load cell load-shortening behavior measured to determine NASA nonlinear analysis nonlinear solution numerical integration parabolic initial imperfection percent point for axial presented in equation Quick-attachment erectable joint rms error shown in figure sized for application Slender Truss Struts Space Station Freedom Station Freedom truss strut cross section Substituting equation term test setup theoretical load-shortening curves thickness of strut total axial shortening uniform axial compression Young's modulus