TIME-DEPENDENT BEHAVIOR OF REINFORCED CONCRETE STRUCTURES.

Abstract

A mathematical model is developed for the study of time-dependent behavior of reinforced concrete frame structures. The model is formulated to account for creep, cracking, and drying shrinkage in the concrete. The output from the model includes forces, stresses, strains, and displacements in the structure. The model is formulated on the basis of idealizations in time and geometry. The idealization of incrementing the time is an expedient for integration of the hereditary strain-stress law for concrete. A linear law in functional form provides an accurate description of concrete strain-stress behavior within design stress ranges. The geometric idealizations are made so that the stiffness of the structures may be found. The structural members are divided into length increments and each length increment is divided into depth increments so that the bending and axial stiffness of a reinforced concrete member may be evaluated. (Author)

Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1967
Accession Number
AD0821248

Entities

People

  • L. G. Selna

Organizations

  • University of California, Berkeley

Tags

DTIC Thesaurus Topics

  • Concrete
  • Construction Materials
  • Displacement
  • Geometry
  • Mathematical Models
  • Models
  • Reinforced Concrete
  • Stiffness

Fields of Study

  • Engineering

Readers

  • Computational Modeling and Simulation
  • Mechanical Engineering/Mechanics of Materials.
  • Pavement Materials Engineering.