Book cover for Structures Under Shock and Impact II: Proceedings of the Second International Conference, held in Portsmouth, U.K., 16th–18th June, 1992
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Structures Under Shock and Impact II: Proceedings of the Second International Conference, held in Portsmouth, U.K., 16th–18th June, 1992
Edited by
P.S. Bulson
P.S. Bulson
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Author and Other Information
Emerald Publishing Limited
DOI:
https://doi.org/10.1680/susai.16811
ISBN electronic:
978-0-7277-4028-1
ISBN print:
978-0-7277-1681-1
Publication date:
1992
Book Chapter

Dynamic Response of Concrete Structures Under Direct Impact

By
H.L. Riad;
H.L. Riad
New England College, Henniker, New Hampshire, 03242, U.S.A.
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A. Scanlon
A. Scanlon
The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A.
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Author and Other Information
H.L. Riad
New England College, Henniker, New Hampshire, 03242, U.S.A.
A. Scanlon
The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A.
Doi:
https://doi.org/10.1680/susai.16811.0019
  • Published:
    1992

An analytical model is presented for direct impact between a mass and a reinforced concrete structure. The finite element-based model includes both elastic and elasto-viscoplastic material properties to represent concrete and reinforcing steel. The procedure for detecting and modeling contact and release conditions is presented. Application of the model is illustrated by results for impact between a mass and a reinforced concrete cantilever beam.

  • INTRODUCTION

  • EQUATIONS OF MOTION FOR COLLIDING BODIES

  • CONTACT AND RELEASE CONDITIONS

  • IMPLEMENTATION IN COMPUTER PROGRAM

  • ELASTO-VISCOPLASTIC MATERIAL MODEL

  • CRITICAL TIME STEP AND STABILITY OF SOLUTION

  • APPLICATION TO IMPACT BETWEEN MASS AND CANTILEVER BEAM

  • CONCLUSION

  • REFERENCES

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