Paper Title:
Study on Response of Reinforced Concrete Beam under Accidental Impact by Piece Part Model
  Abstract

At present, there exist many simple and reliable methods to describe the damage degree of reinforced concrete structure induced by low velocity impact. However, the actual fracture process can not be well reflected by the current methods. Therefore, a piece part model, which can well describe the damage process, was put forward. The cracks generated in the concrete beam can be reflected by the interfaces between the elements. In this method, the beam is descretized as the linking system of the steel bar and concrete. The dynamic calculating equation of the beam is deduced on the basis of the internal force and inertia force of the rigid unit and linking piece. The local deformation in the contact region of the beam and the stress-strain state of the beam under low velocity impact can also be calculated by this method. Finally, the advantages of the model were proved by a practice example.

  Info
Periodical
Chapter
Chapter 2: Building Technology Science
Edited by
Xuejun Zhou
Pages
293-299
DOI
10.4028/www.scientific.net/AMM.99-100.293
Citation
D. R. Wang, S. F. Feng, H. Lu, "Study on Response of Reinforced Concrete Beam under Accidental Impact by Piece Part Model", Applied Mechanics and Materials, Vols. 99-100, pp. 293-299, 2011
Online since
September 2011
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Price
$32.00
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