Document Archives

Tensile Strength as a Function of Concrete Weight

• ID:

  833

• ESCSI:

  4274.017

• Author:

  Tobin, Robert E.

• Publication Name:

• Type of Publication:

  Paper

• Publisher:

  ESCSI

• Dated:

  1971

• Issue/Volume:

  Post 1971

• Other ID:

• Page(s):

  5 pages

• Reference List:

  N

• Abstract:

  The tensile strength of concrete is receiving increased attention as an important structural property. This is especially true in the case of lightweight concrete. Both the 1963 ACI Building Code and the new 1971 Code use the tensile strength to evaluate allowable shear (and torsion) stresses in concrete. Currently the tensile strength is measured by the standard method of test for “Splitting Tensile Strength of Molded Concrete Cylinders” ASTM C496-66.Over the last few years since splitting tensile tests have been adopted, a number of laboratories have conducted these tests on both normal weight and lightweight concrete. A study of a large number of these tests indicates that for equal compressive strengths there appears to be a lower unit tensile strength for lightweight compared to normal weight concrete.
  Author shows that the maximum tensile strength is directly proportional to the net crtoss-sectional area of solid material.