Investigation of Design Factors Affecting Fatigue Strength of Reinforcing Bars-Statistical Analysis

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Title: Investigation of Design Factors Affecting Fatigue Strength of Reinforcing Bars-Statistical Analysis

Author(s): T. Helagson and J.M. Hanson

Publication: Special Publication

Volume: 41

Issue:

Appears on pages(s): 107-138

Keywords: bars; bridge decks; concrete slabs; cyclic loads; deformation; deformed reinforcement; fatigue (materials); fatigue tests; reinforcing steels; research; specimens; statistical analysis; stress-strain relationships; structural design

Date: 1/1/1974

Abstract:
The statistical analysis of an experimental investigation of the fatigue strength of deformed reinforcing bars is described. This investigation was designed and excuted to permit the effects of several specified variables--stress range, minimum stress level, grade of bar, bar size and type of specimen--to be determined by statistical methods. In addition, other variables that had an effect on the fatigue life of the test bars were identified. The experimental investigation is described in a separate paper.