Concrete Construction: Methods and Costs

CHAPTER I.--METHODS AND COST OF SELECTING AND PREPARING MATERIALS FOR CONCRETE. 1 ~Cement:~ Portland Cement--Natural Cement--Slag Cement--Size and Weight of Barrels of Cement--Specifications and Testing. ~Sand:~ Properties of Good Sand--Cost of Sand--Washing Sand; Washing with Hose; Washing with Sand Ejectors; Washing with Tank Washers. ~Aggregates:...