 | Portland Cement Association - Cement - 1905 - 44 pages
...three hours. TENSILE STRENGTH. 40 15. The minimum requirements for tensile strength for 41 briqiiettes one inch square in cross section shall be within the...moist air 50-100 Ib.s. 46 7 days (1 day in moist air, (5 days in water). .100-200 il 47 28 days (1 day in moist air, 27 days in water). . 200-300 '' 48 One... | |
 | Charles Carroll Brown - Cement - 1905 - 384 pages
...strength within the periods specified :* Age. Neat Cement. Strength. 24 hours in moist air 50-100 Ibs. 7 days (1 day in moist air, 6 days in water) 100-200 Ibs. 28 days(l day in moist air, 27 days in water) 200-300 Ibs. One Part Cement, Three Parts Standard... | |
 | Edwin Clarence Eckel - Cement - 1905 - 802 pages
...strength within the periods specified. NEAT CEMENT. Age. Strength. 24 hours in moist air 50-100 Ibs. 7 days (1 day in moist air, 6 days in water) . . 100-200 " 28 days (1 day in moist air, 27 days in water) . 200-300 " 1 PART CEMENT, 3 PARTS STANDARD SAND.... | |
 | Gilbert Richard Redgrave - Cement - 1905 - 430 pages
...strength within the periods specified : — NKAT CEMENT. Age. Strength. 24 hours in moist air 50-100 Ibs. 7 days (1 day in moist air, 6 days in water), . . 100-200 .. 28 „ (1 „ 27 „ ), . 200-300 „ ONE PART CEMENT, THREE PARTS STANDARD SAND. 7 days (1 day... | |
 | W. Purves Taylor - Cement - 1905 - 344 pages
...strength within the periods specified:* Age. Neat Cement. Strength. 24 hours in moist air 50-100 Ibs. 7 days ( 1 day in moist air, 6 days in water) 100-200 " 28 days ( 1 day in moist air, 27 days in water) 200-300 " One Part Cement. Three Parts Standard Sand.... | |
 | Frederick Putnam Spalding - Cement - 1906 - 346 pages
...square inch in section. NATURAL CEMENT. Age. Neat Cement. Strength. 24 hours in moist air 50-100 Ibs. 7 days (1 day in moist air, 6 days in water) . . 100-200 ' ' 28days(1 " " " "27 " " " ).. 200-300" One Part Cement, Three Parts Standard Sand. 7 days (1 day... | |
 | Stephen Elmer Slocum, Edward Lee Hancock - Strength of materials - 1906 - 348 pages
...in strength within the periods specified.f Neat Cement AGE STRENGTH 24 hours in moist air 50-100 Ib. 7 days (1 day in moist air, 6 days in water) . . . 100-200 " 28 days (1 " " " 27 " " ) . . . 200-300 " One Part Cement, Three Parts Standard Sand 7 days (1 day... | |
 | Louis Carlton Sabin - Cement - 1907 - 596 pages
...strength within the periods specified: ' Age Neat Cement Strength 24 hours in moist air 50 — 100 Ibs. 7 days (1 day in moist air, 6 days in water) . . . 100—200 " 28 days (1 day in moist air, 27 days in water) . . 200—300 " One Part Cement, Three Parts Standard... | |
 | Wilbur Jay Watson - Bridges, Concrete - 1908 - 92 pages
...so on for each period stated.) Neat Cement. Age: 24 hours in moist air; strength, 50-100 Ibs. Age: 7 days (1 day in moist air, 6 days in water) ; 100-200 Ibs. Age: 28 days (1 day in moist air, 27 days in water; 200-300 Ibs. One Part Cement, Three Parts... | |
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Strength 24 hours in moist air 50-100 Ibs. 7 days (1 day in moist air, 6 days in water) 100-200 " 28 days (1 day in moist air, 27 days in water) 200-300 
