Explore BrainMass
Share

Explore BrainMass

    Determine Maximum Allowable Load

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A rigid steel plate is supported by three posts of high-strength concrete each having an effective cross-sectional area A=40,000 mm^2 and Length L=2 m (see attachment). Before the load P is applied, the middle post is shorter than the others by an amount s=1.0 mm.
    Determine the maximum allowable load Pallow if the allowable compressive stress in the concrete is equal to 20 MPa.(Use E=30 GPa for concrete)

    THE ANSWER SHOULD BE 1.8 MN.

    © BrainMass Inc. brainmass.com October 9, 2019, 4:10 pm ad1c9bdddf
    https://brainmass.com/engineering/civil-engineering/determine-maximum-allowable-load-24602

    Attachments

    Solution Preview

    Please see attached file.

    A rigid steel plate is supported by three posts of high-strength concrete each having an effective cross-sectional area A=40,000 mm2 and Length L=2 m (see attachment). Before the load P is applied, the middle post is shorter than the others by an amount s=1.0 mm.
    Determine the maximum allowable load P allow if the allowable compressive stress in the concrete is equal to 20 MPa. (Use E=30 GPa for concrete)

    Under the influence of P, S would move ...

    Solution Summary

    The solution determines the maximum allowable load.

    $2.19