. The street railway review . CROSSING FOR OVERHEAD Portland cement. I part; -and. 4 part-; -lone. 8 parts. Used for foundations and other work as directed by the engineer in charge. The foregoing proportions are by volume, one-fourlb barrel oi. J5-FT. ARCHES OP 1 ONCKKTK MASONRY. I Northwestern tracks on a 150-ft. thro bridge, All abutment- and piers arc of addition rioua steel structures there are concreti reek at South Elmhursl 1- a■■ bridge with iv and al other small streams cement as packed by the maufacturers being taken as a cubic foot,and the sand and stone measured
. The street railway review . CROSSING FOR OVERHEAD Portland cement. I part; -and. 4 part-; -lone. 8 parts. Used for foundations and other work as directed by the engineer in charge. The foregoing proportions are by volume, one-fourlb barrel oi. J5-FT. ARCHES OP 1 ONCKKTK MASONRY. I Northwestern tracks on a 150-ft. thro bridge, All abutment- and piers arc of addition rioua steel structures there are concreti reek at South Elmhursl 1- a■■ bridge with iv and al other small streams cement as packed by the maufacturers being taken as a cubic foot,and the sand and stone measured loosely, the -lone to be broken topass a 114 in, screen. The concrete was pul down in layer- of 4 in. to 5 in. in thicknessand thoroughly rammed until water appeared on the surface. I
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
