Aberthaw tests of concrete in sea water . Sample Sample No. 17 1!)2() 1 ACTION O F SEA W A T E R O N C O N (^ R E T E Wl. Sample No. 18 Proportions 1 Universal Cement 1 Sand 2 Stone 330 lb. Water Cast wet, January 13, 1909. Formswere removed January 15, immersed February 27,1909. When cast qutamping. iked with light Length 16 ft. J4 in. Average sec-tional area .sq. ft. Volume cu. ft. Net Volume ofConcrete Gross Weight 4215 lb. Net Weight ofConcrete Do. per cu. ft. Condition March 3, 1910 Apparently in as good condition aswhen placed. Cond
Aberthaw tests of concrete in sea water . Sample Sample No. 17 1!)2() 1 ACTION O F SEA W A T E R O N C O N (^ R E T E Wl. Sample No. 18 Proportions 1 Universal Cement 1 Sand 2 Stone 330 lb. Water Cast wet, January 13, 1909. Formswere removed January 15, immersed February 27,1909. When cast qutamping. iked with light Length 16 ft. J4 in. Average sec-tional area .sq. ft. Volume cu. ft. Net Volume ofConcrete Gross Weight 4215 lb. Net Weight ofConcrete Do. per cu. ft. Condition March 3, 1910 Apparently in as good condition aswhen placed. Condition December 17, 1913 Good all over and on all sides. BackJ slightly pitted. Condition June 9, !0€0 Good on the face and sides. Backslightly pitted. Corners slightly eatenand rounded between high and lowJ water. Concrete sound.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectconcret, bookyear1920
