An investigation of the various properties of sand as affecting its use in concrete and mortar . Tensile Testing Machine 24. L Compression Testing Llachine 25 Strength of 1:3 Mortars of Sample B. Un/-^raded and Unwashed Saaid B-1. Tensile strength inpounds per sq. in. Percent,of V/ater Compressive strengthin pounds per 7days 28days 90days 7days 28days 90days (1)(2)(3) (4)mean 231301200226239 392340250367 340 399295429368375 1210760670 775 855 880137011201690 2415243017201840 1260 2100 Ungraded and iTashed Sand B-2. Tensile strength inpounds per sq. in. Percent,of Water Compressive
An investigation of the various properties of sand as affecting its use in concrete and mortar . Tensile Testing Machine 24. L Compression Testing Llachine 25 Strength of 1:3 Mortars of Sample B. Un/-^raded and Unwashed Saaid B-1. Tensile strength inpounds per sq. in. Percent,of V/ater Compressive strengthin pounds per 7days 28days 90days 7days 28days 90days (1)(2)(3) (4)mean 231301200226239 392340250367 340 399295429368375 1210760670 775 855 880137011201690 2415243017201840 1260 2100 Ungraded and iTashed Sand B-2. Tensile strength inpounds per sq. in. Percent,of Water Compressive strengthin pounds per 7days 28 day£ 90days 7 days 28days 90days (1)(2)(5)(4)mean 243329235278271 451428385370409 462390544371442 2060 1335 705 • • • • 34202230267527202770 3170296036003240 1430 3240 Graded and Washed Sand B-3. Tensile strength inpounds per sq. in. Percent,of V/ater. strengthin pounds per 7 days 28 days 90days 7 days 28days 90days (1)(2)(3)(4) mean 333365329360348 385347350450582 197518502020 • • • • 38503540202019402825 1615 26 Strength of 1:3 Mortar
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Keywords: ., bookcentury1900, bookdecade1910, bookidinvestigatio, bookyear1916
