DIRICHLET SERIES CREEP FUNCTION FOR AGING CONCRETE

A SIMPLE METHOD IS PRESENTED BY WHICH THE LINEAR CREEP FUNCTION OF CONCRETE CAN BE APPROXIMATED, WITH ANY DESIRED ACCURACY, BY DIRICHLET SERIES WITH VARIABLE COEFFICIENTS. SMOOTH FITS OF THE BEST KNOWN DATA ON CREEP AT CONSTANT TEMPERATURE AND WATER CONTENT ARE DEMONSTRATED. IT IS SHOWN THAT THE APPROXIMATION IS EQUIVALENT TO THE KELVIN CHAIN MODEL WITH AGE-DEPENDENT PROPERTIES. THE DIRICHLET SERIES APPROXIMATION ALLOWS FORMULATION OF AN EFFICIENT ALGORITHM OF STEP-BY-STEP TIME INTEGRATION OF CREEP PROBLEMS. SINCE ONLY A FEW HIDDEN STATE VARIABLES FOR CHARACTERIZATION OF THE WHOLE HISTORY OF THE MATERIAL ARE NEEDED, THE SAVINGS IN MACHINE TIME AND STORAGE MAKE POSSIBLE CREEP ANALYSIS OF LARGE FINITE ELEMENT SYSTEMS. /AUTHOR/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/07339399
• Supplemental Notes:
  • PROC PAPEP 9645
• Authors:
  • Bazant, Z P
  • Wu, S T
• Publication Date: 1973-4

Media Info

• Pagination: p. 367-87
• Serial:
  • Journal of Engineering Mechanics
  • Volume: 99
  • Issue Number: em2
  • Publisher: American Society of Civil Engineers
  • ISSN: 0733-9399
  • EISSN: 1943-7889
  • Serial URL: http://ascelibrary.org/journal/jenmdt

Subject/Index Terms

• TRT Terms: Concrete; Creep; Finite element method; Moisture content; Temperature
• Old TRIS Terms: Aging; Concrete creep; Finite elements
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00214247
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 19 1973 12:00AM