Field Tests of Concrete for the New York Subways

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Title: Field Tests of Concrete for the New York Subways

Author(s): J.G. Steinle

Publication: Journal Proceedings

Volume: 13

Issue: 2

Appears on pages(s): 89-97

Keywords: none

Date: 2/1/1917

Abstract:
At the last meeting of the American Concrete Institute Mr. Robert Ridgway, Engineer of Subway Construction for the New York Public Service Commission, presented a paper entitled "Concreting New York's Subways." In that paper, he described the character of the materials employed, the methods of inspection, and the manner of mixing and placing concrete on the work. The purpose of the present paper is to offer additional facts and details concerning the inspection and testing of the concrete and concrete aggregates.