RELATIVE STRENGTHS OF ARTIFICIAL ICE

Abstract

RELATIVE STRENGTHS OF RINGS AND BEAMS FABRICATED FROM SEVERAL TYPES OF LABORATORY-PRODUCED FRESH AND SEA-WATER ICE WITH AND WITHOUT REINFORCEMENT WERE MEASURED. THE STUDY COVERED THE EFFECTS OF FLOODING, ROLLING, AND REINFORCING. SPECIMENS REINFORCED WITH VARIOUS AMOUNTS OF FIBERGLAS WERE AS MUCH AS 10 TIMES STRONGER THAN UNREINFORCED SPECIMENS. THE MAXIMUM STRESS WHICH COULD BE APPLIED TO THE REINFORCED ICE WAS USUALLY LIMITED BY THE AMOUNT OR RATE OF SPECIMEN DEFORMATION RATHER THAN BY ACTUAL SPECIMEN FAILURES. THE MAXIMUM DIFFERENCE BETWEEN MEAN STRENGTH VALUES FOR THE VARIOUS TYPES OF UNREINFORCED ICE WAS NOT MORE THAN A FACTOR OF TWO. TENSILE STRENGTHS COMPUTED FROM RING SPECIMENS FROM A GIVEN TYPE OF ICE DECREASED CONSIDERABLY WHEN THE DIAMETER OF THE CENTER HOLE THROUGH THE SPECIMEN WAS INCREASED FROM 1/2 IN. TO 7/8 IN

Document Details

Document Type
Technical Report
Publication Date
Nov 17, 1960
Accession Number
AD0250645

Entities

People

  • Arnold I. Funai

Organizations

  • Naval Facilities Engineering Service Center

Tags

DTIC Thesaurus Topics

  • Diameters
  • Floods
  • Physical Properties
  • Sea Water
  • Tensile Strength
  • Water

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Polar and Arctic Studies