Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Tests of Creosoted Timber, Paper No. 1168

TABLE 4.—(Continued.)—Load and Deflection Log. Beam II. [B] First crack. TABLE 4.—( Continued. )— Load and Deflection Log. Beam II. Date: February 20th, 1909. l = 12 ft.; b (mean) = 6.38 in.; h (mean) = 15.81 in.; c = 7.91 in. Time = 47.5 min Date: — l = 12 ft.; b (mean) = 6.41 in.; h (mean) = 16.41 in.; c = 8.20 in. No. P Deflection, in Inches. P Deflection, in Inches. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. 1 0 1.65 0 1.68 0 0 0 1.86 0 1.87 0 0 2 2,000 1.69 0.04 1.72 0.04 0.040 2,000 1.91 0.05 1.92 0.05 0.05 3 4,000 1.73 0.08 1.77 0.09 0.085 4,000 1.98 0.12 1.98 0.11 0.115 4 6,000 1.76 0.11 1.80 0.12 0.115 6,000 2.05 0.19 2.02 0.15 0.170 5 8,000 1.80 0.15 1.83 0.15 0.150 8,000 2.07 0.21 2.08 0.21 0.210 6 10,000 1.83 0.18 1.86 0.18 0.180 10,000 2.13 0.27 2.13 0.26 0.265 7 12,000 1.87 0.22 1.90 0.22 0.220 12,000 2.18 0.32 2.18 0.31 0.315 8 14,000 1.91 0.26 1.94 0.26 0.260 14,000 2.25 0.39 2.24 0.37 0.380 9 16,000 1.95 0.30 1.98 0.30 0.300 16,000 2.30 0.44 2.29 0.42 0.430 10 18,000 1.98 0.33 2.02 0.34 0.335 18,000 [C] 2.35 0.49 2.35 0.48 0.485 11 20,000 2.03 0.38 2.06 0.38 0.380 20,000 2.44 0.58 2.42 0.55 0.565 12 22,000 2.07 0.42 2.10 0.42 0.420 22,000 2.54 0.68 2.54 0.67 0.675 13 24,000 2.11 0.46 2.14 0.46 0.460 25,040 Failed 14 26,000 2.15 0.50 2.18 0.50 0.500 15 28,000 2.18 0.53 2.22 0.54 0.535 16 30,000 2.23 0.58 2.26 0.58 0.580 17 32,000 2.27 0.62 2.30 0.62 0.620 18 34,000 2.32 0.67 2.35 0.67 0.670 19 36,000 2.37 0.72 2.40 0.72 0.720 20 38,000 2.42 0.77 2.45 0.77 0.770 21 40,000 2.48 0.83 2.50 0.82 0.825 22 42,000 2.53 0.88 2.56 0.88 0.880 23 43,450 Fracture. 24 45,710 Failed. At Elastic Limit: Load, 20,000 lb.; deflection, 0.38 in.; S , 2,722 lb. At Elastic Limit: Load, 16,000 lb.; deflection, 0.43 in.; S , 1,999 lb. Maximum: Load, 43,450 lb.; deflection,.....; S , 5,918 lb. Maximum: Load, 25,040 lb.; deflection,.....; S , 3,130 lb. E = 1,562,000 lb. E = 979,000 lb. [C] First crack. TABLE 4.—( Continued. )— Load and Deflection Log. Beam III. Date: February 13th, 1909. l = 12 ft.; b (mean) = 5.88 in.; h (mean) = 15.63 in.; c = 7.82 in. Date: — l = 12 ft.; b (mean) = 5.88 in.; h (mean) = 15.9 in.; c = 7.95 in. Time = 45 min. No. P Deflection, in Inches. P Deflection, in Inches. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. 1 0 1.23 0 1.06 0 0 0 1.67 0 1.63 0 0 2 2,000 1.27 .04 1.10 0.04 0.040 2,000 1.70 0.03 1.68 0.05 0.040 3 4,000 1.32 0.09 1.13 0.07 0.080 4,000 1.72 0.05 1.72 0.09 0.070 4 6,000 1.37 0.14 1.17 0.11 0.125 6,000 1.82 0.15 1.78 0.15 0.150 5 8,000 1.42 0.19 1.22 0.16 0.175 8,000 1.86 0.19 1.82 0.19 0.190 6 10,000 1.47 0.24 1.26 0.20 0.220 10,000 1.90 0.23 1.87 0.24 0.235 7 12,000 1.51 0.28 1.31 0.25 0.265 12,000 1.97 0.30 1.92 0.29 0.295 8 14,000 1.55 0.32 1.35 0.29 0.305 14,000 2.00 0.33 1.98 0.35 0.340 9 16,000 1.60 0.37 1.40 0.34 0.355 16,000 2.03 0.36 2.04 0.41 0.385 10 18,000 1.64 0.41 1.44 0.38 0.395 18,000 2.10 0.43 2.09 0.46 0.445 11 20,000 1.68 0.45 1.49 0.43 0.440 20,000 2.13 0.46 2.14 0.51 0.485 12 22,000 1.72 0.49 1.54 0.48 0.485 22,000 2.20 0.53 2.20 0.57 0.550 13 24,000 1.78 0.55 1.58 0.52 0.535 24,000 2.26 0.59 2.26 0.63 0.610 14 26,000 1.82 0.59 1.64 0.58 0.585 26,000 2.31 0.64 2.32 0.69 0.665 15 28,000 1.88 0.65 1.68 0.62 0.635 28,000 2.38 0.71 2.40 0.77 0.740 16 30,000 1.92 0.69 1.73 0.67 0.680 30,000 2.42 0.75 2.47 0.84 0.795 17 32,000 1.97 0.74 1.79 0.73 0.735 32,000 2.49 0.82 2.55 0.92 0.870 18 34,000 2.02 0.79 1.85 0.79 0.790 34,000 2.58 0.91 2.62 0.99 0.950 19 36,000 2.07 0.84 1.90 0.84 0.840 20 38,000 2.13 0.90 1.97 0.91 0.915 21 40,000 2.20 0.97 2.03 0.97 0.970 22 42,000 2.27 1.04 2.11 1.05 1.045 23 44,000 2.37 1.14 2.21 1.15 1.145 39,100 lb. First Crack; 45,130 lb. Failed. 22,000 lb. First Crack; 35,190 lb. Failed. At Elastic Limit: Load, 24,000 lb.; deflection, 0.535 in.; S 3,608 lb. At Elastic Limit: Load, 21,000 lb.; deflection, 0.515 in.; S , 3,054 lb. Maximum: Load, 45,130 lb.; deflection,.....; S 6,785 lb. Maximum: Load, 35,190 lb.; deflection,.....; S 5,120 lb. E = 1,489,000 lb. E = 1,288,000 lb. TABLE 4.—( Continued. )— Load and Deflection Log. Beam IV. Date: February 16th, 1909. l = 12 ft.; b (mean) = 6.0 in.; h (mean) = 15.43 in.; c = 7.71 in. Date: February 10th, 1909. l = 12 ft.; b (mean) = 6.12 in.; h (mean) = 15.87 in.; c = 7.93 in. Time = 30 min. No. P Deflection, in Inches. P Deflection, in Inches. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. 1 0 2.28 0 2.05 0 0 0 1.44 0 1.58 0 0 2 2,000 2.31 0.03 2.10 0.05 0.040 2,000 1.50 0.06 1.64 0.06 0.06 3 4,000 2,34 0.06 2.14 0.09 0.075 4,000 1.55 0.11 1.70 0.12 0.115 4 6,000 2.40 0.12 2.19 0.14 0.130 6,000 1.62 0.18 1.76 0.18 0.180 5 8,000 2.43 0.15 2.23 0.18 0.165 8,000 1.68 0.24 1.82 0.24 0.240 6 10,000 2.47 0.19 2.28 0.23 0.210 10,000 1.72 0.28 1.89 0.31 0.295 7 12,000 2.51 0.23 2.32 0.27 0.250 12,000 1.80 0.36 1.94 0.36 0.360 8 14,000 2.54 0.26 2.37 0.32 0.290 14,000 1.85 0.41 2.00 0.42 0.415 9 16,000 2.59 0.31 2.41 0.36 0.335 16,000 1.90 0.46 2.06 0.48 0.470 10 18,000 2.62 0.34 2.45 0.40 0.370 18,000 1.98 0.54 2.13 0.55 0.545 11 20,000 2.68 0.40 2.50 0.45 0.425 20,000 2.03 0.59 2.19 0.61 0.600 12 22,000 2.72 0.44 2.54 0.49 0.465 22,000 2.09 0.65 2.25 0.67 0.660 13 24,000 2.78 0.50 2.60 0.55 0.525 24,000 2.15 0.71 2.33 0.75 0.730 14 26,000 2.82 0.54 2.65 0.60 0.570 26,000 2.23 0.79 2.42 0.84 0.815 15 28,000 2.87 0.59 2.69 0.64 0.615 28,000 2.32 0.88 2.49 0.91 0.895 16 30,000 2.91 0.63 2.74 0.69 0.660 30,000 2.42 0.98 2.62 1.04 1.010 17 32,000 2.97 0.69 2.78 0.73 0.710 32,000 2.56 1.12 2.74 1.16 1.140 18 34,000 3.01 0.73 2.85 0.80 0.765 34,000 2.67 1.23 2.87 1.29 1.265 19 36,000 3.07 0.79 2.90 0.85 0.820 20 38,000 3.14 0.86 2.98 0.93 0.895 34,000 lb. First Crack; 38,425 lb. Failed. 28,360 lb. Cracked; 35,500 lb, Failed. At Elastic Limit: Load, 22,000 lb.; deflection, 0.465 in.; S 3,320 lb. At Elastic Limit: Load, 22,000 lb.; deflection, 0.66 in.; S , 3,090 lb. Maximum: Load, 38,425 lb.; deflection,.....; S 5,810 lb. Maximum: Load, 35,500 lb.; deflection,.....; S 4,983 lb. E = 1,601,000 lb. E = 1,017,000 lb. TABLE 4.—( Continued. )— Load and Deflection Log. Beam V. Date: — l = 12 ft.; b (mean) = 6 in.; h (mean) = 16 in.; c = 8 in. Time = 40 min. Date: February 27th, 1909. l = 12 ft.; b (mean) = 6 in.; h (mean) = 15.87 in.; c = 7.94 in. No. P Deflection, in Inches. P Deflection, in Inches. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. 1 0 1.97 0 1.37 0 0 0 1.31 0 1.25 0 0 2 2,000 2.01 0.04 1.40 0.03 0.035 2,000 1.37 0.06 1.31 0.06 0.06 3 4,000 2.06 0.09 1.43 0.06 0.075 4,000 1.41 0.10 0.36 0.11 0.105 4 6,000 2.08 0.11 1.47 0.10 0.105 6,000 1.46 0.15 0.40 0.15 0.150 5 8,000 2.11 0.14 1.50 0.13 0.135 8,000 1.49 0.18 0.45 0.20 0.190 6 10,000 2.16 0.19 1.54 0.17 0.180 10,000 1.54 0.23 1.49 0.24 0.235 7 12,000 2.19 0.22 1.57 0.20 0.210 12,000 1.58 0.27 1.53 0.28 0.275 8 14,000 2.22 0.25 1.61 0.24 0.245 14,000 1.62 0.31 1.57 0.32 0.315 9 16,000 2.25 0.28 1.65 0.28 0.280 16,000 1.68 0.37 1.65 0.40 0.385 10 18,000 2.29 0.32 1,69 0.32 0.320 18,000 1.78 0.41 1.71 0.46 0.435 11 20,000 2.32 0.35 1.73 0.36 0.355 20,000 1.99 0.68 1.97 0.72 0.700 12 22,000 2.36 0.39 1.78 0.41 0.400 13 24,000 2.39 0.42 1.83 0.46 0.440 14 26,000 2.42 0.45 1.85 0.48 0.465 15 28,000 2.47 0.50 1.90 0.53 0.515 16 30,000 2.50 0.53 1.95 0.58 0.565 17 32,000 2.54 0.57 1.99 0.62 0.595 18 34,000 2.59 0.62 2.04 0.67 0.645 19 36,000 2.63 0.66 2.09 0.72 0.690 20 38,000 2.68 0.71 2.17 0.80 0.755 21 40,000 2.73 0.76 2.21 0.84 0.800 22 42,000 2.80 0.83 2.30 0.93 0.880 23 44,000 2.90 0.93 2.40 1.03 0.980 25,000 lb. Slight Crack; 47,000 lb. Failed. 20,000 lb. First Crack; 22,050 lb. Failed. At Elastic Limit: Load, 22,000 lb.; deflection, 0.40 in.; S , 3,090 lb. At Elastic Limit: Load, 14,000 lb.; deflection, 0.315 in.; S , 1,998 lb. Maximum: Load, 47,000 lb.; deflection,.......; S , 6,610 lb. Maximum: Load, 22,050 lb.; deflection,.......; S , 3,145 lb. E = 1,670,000 lb. E = 1,382,000 lb. TABLE 4.—( Continued. )— Load and Deflection Log. Beam VI. Date: February 12th, 1909. l = 12 ft.; b (mean) = 5.5 in.; h (mean) = 15.75 in.; c = 7.88 in. Time = 40 min. Date: February 13th, 1909. l = 12 ft.; b (mean) = 5.87 in.; h (mean) = 15.62 in.; c = 7.81 in. No. P Deflection, in Inches. P Deflection, in Inches. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. Load, in pounds. Reading. Total deflection. Reading. Total deflection. Mean total deflection. 1 0 1.22 0 1.30 0 0 0 1.28 0 1.30 0 0 2 2,000 1.26 0.04 1.34 0.04 0.04 2,000 1.30 0.02 1.35 0.05 0.035 3 4,000 1.29 0.07 1.38 0.08 0.075 4,000 1.36 0.08 1.39 0.09 0.085 4 6,000 1.33 0.11 1.42 0.12 0.115 6,000 1.40 0.12 1.44 0.14 0.130 5 8,000 1.37 0.15 1.47 0.17 0.160 8,000 1.43 0.15 1.47 0.17 0.160 6 10,000 1.42 0.20 1.51 0.21 0.205 10,000 1.47 0.19 1.51 0.21 0.200 7 12,000 1.45 0.23 1.55 0.25 0.240 12,000 1.51 0.23 1.56 0.26 0.245 8 14,000 1.50 0.28 1.59 0.29 0.285 14,000 1.55 0.27 1.60 0.30 0.285 9 16,000 1.54 0.32 1.63 0.33 0.325 16,000 1.59 0.31 1.64 0.34 0.325 10 18,000 1.58 0.36 1.68 0.38 0.370 18,000 1.62 0.34 1.69 0.39 0.365 11 20,000 1.61 0.39 1.72 0.42 0.405 20,000 1.66 0.38 1.74 0.44 0.410 12 22,000 1.66 0.44 1.76 0.46 0.450 22,000 1.71 0.43 1.80 0.50 0.465 13 24,000 1.81 0.59 1.81 0.51 0.550 24,000 1.77 0.49 1.84 0.54 0.515 14 26,000 1.86 0.64 1.86 0.56 0.600 26,000 1.83 0.55 1.90 0.60 0.575 15 28,000 1.91 0.69 1.91 0.61 0.650 28,000 1.90 0.62 1.97 0.67 0.645 16 30,000 1.96 0.74 1.96 0.66 0.700 30,000 1.97 0.69 2.02 0.72 0.705 17 32,000 2.00 0.78 2.02 0.72 0.750 32,000 2.12 0.84 2.10 0.80 0.820 18 34,000 2.04 0.82 2.11 0.81 0.815 34,000 2.20 0.92 2.16 0.86 0.885 19 36,000 2.10 0.88 2.20 0.90 0.890 36,000 2.29 1.01 2.24 0.94 0.975 20 38,000 2.16 0.94 2.25 0.95 0.945 38,000 2.39 1.11 2.32 1.02 1.065 21 40,000 2.28 1.06 2.38 1.08 1.070 22 42,000 2.38 1.16 2.42 1.12 1.140 23 44,000 2.44 1.22 2.52 1.22 1.220 24 46,000 2.53 1.31 2.60 1.30 1.305 25 48,000 2.66 1.44 2.71 1.41 1.425 26 50,000 2.78 1.56 2.87 1.57 1.565 33,000 lb., First Crack; 51,330 lb., Failed. 24,000 lb., First Crack; 44,000 lb., Failed. At Elastic Limit: Load, 22,000 lb.; deflection, 0.45 in.; S , 3,484 lb. At Elastic Limit: Load, 20,000 lb.; deflection, 0.41 in.; S , 3,018 lb. Maximum: Load, 51,330 lb.; deflection,.....; S , 8,925 lb. Maximum: Load, 44,000 lb.; deflection,.....; S , 6,627 lb. E = 1,695,000 lb. E = 1,625,000 lb. TABLE 4.—( Continued. )— Load and Deflection Log. Beam VII.