Development of a Test Method to Determine the Resistance of Concrete to Ice Abrasion and/or Impact

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Title: Development of a Test Method to Determine the Resistance of Concrete to Ice Abrasion and/or Impact

Author(s): A. M. Nawwar and V. M. Malhotra

Publication: Special Publication

Volume: 109

Issue:

Appears on pages(s): 401-426

Keywords: abrasion resistance; concretes; fly ash; ice; impact strength; marine atmospheres; silica fume; tests; General

Date: 8/1/1988

Abstract:
Paper describes the development of a test method to determine the ice abrasion and/or impact resistance of concrete. Briefly, the method consists of testing specially fabricated 300 mm diameter x 500 mm length cylindrical concrete specimens against ice abrasion and/or impact. The ice abrasion and impact pressure on rotating concrete cylinders are produced using an ice block, located above the concrete samples, the vertical travel of the ice being controlled by a hydraulic ram. The measurements taken during the test include the determination of the surface profile of the concrete specimens, the output from strain gages mounted on the reinforcing rods in the specimens, and the impact speed and acceleration of the ice block. Preliminary tests indicate that the apparatus developed offers a promising mechanism for studying the resistance of concrete to ice abrasion and/or impact. The limited available data show that the surface finish of a test specimen greatly affects the initial abrasion resistance of concrete.