A Rate Dependent Stress-Strain Relationship Model for Normal, High and Ultra-High Strength Concrete

High and ultra-high strength concrete are becoming popular for many applications, including critical infrastructure subjected to high strain rate loading such as blast and impact. A strain rate dependent material model that is applicable to a range of strengths, varying from normal strength to ultra-high strength concrete, is presented in this paper. The results from a comprehensive experimental study conducted to investigate the strength and deformation capacity of concrete cylinders under high-velocity impact loading using a Split Hopkinson Pressure Bar (SHPB) test setup is reported. Unconfined 50 mm diameter concrete cylinders with compressive strengths varying from 32 MPa (4640 psi) to 160 MPa (23 200 psi) were tested to derive the dynamic properties of concrete at strain rates up to 300 s-1. The SHPB test data were analysed to obtain the stress-strain relationships and strength dynamic increase factors (DIFs) for these concrete specimens under dynamic axial compression.

• Record URL:
  http://multi-science.metapress.com/content/843l140q8l3j1343/?p=e9016a1e982741848d245b657e2f0634&pi=9
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/20414196
• Supplemental Notes:
  • Abstracts used by permission of Multi-Science Publishing Co Ltd.
• Authors:
  • Ngo, Tuan
  • Mendis, Priyan
  • Whittaker, Andrew
• Publication Date: 2013-9

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 451-466
• Serial:
  • International Journal of Protective Structures
  • Volume: 4
  • Issue Number: 3
  • Publisher: Multi-Science Publishing Company Limited
  • ISSN: 2041-4196

Subject/Index Terms

• TRT Terms: Compressive strength; Concrete; Concrete structures; Deformation; Deformation curve; High strength concrete
• Uncontrolled Terms: Cylinders (Concrete); High velocity
• Subject Areas: Bridges and other structures; Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01496339
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 22 2013 4:39PM