[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 01.65 01.68 0 0 01.86 01.87 0 0
2 2,0001.690.041.720.040.040 2,0001.910.051.920.050.05
3 4,0001.730.081.770.090.085 4,0001.980.121.980.110.115
4 6,0001.760.111.800.120.115 6,0002.050.192.020.150.170
5 8,0001.800.151.830.150.150 8,0002.070.212.080.210.210
610,0001.830.181.860.180.18010,0002.130.272.130.260.265
712,0001.870.221.900.220.22012,0002.180.322.180.310.315
814,0001.910.261.940.260.26014,0002.250.392.240.370.380
916,0001.950.301.980.300.30016,0002.300.442.290.420.430
1018,0001.980.332.020.340.33518,000[C]2.350.492.350.480.485
1120,0002.030.382.060.380.38020,0002.440.582.420.550.565
1222,0002.070.422.100.420.42022,0002.540.682.540.670.675
1324,0002.110.462.140.460.46025,040 Failed
1426,0002.150.502.180.500.500 
1528,0002.180.532.220.540.535 
1630,0002.230.582.260.580.580 
1732,0002.270.622.300.620.620 
1834,0002.320.672.350.670.670 
1936,0002.370.722.400.720.720 
2038,0002.420.772.450.770.770 
2140,0002.480.832.500.820.825 
2242,0002.530.882.560.880.880 
2343,450Fracture. 
2445,710Failed. 
  
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 01.23 01.06 0 0 01.67 01.63 0 0
2 2,0001.27 .041.100.040.040 2,0001.700.031.680.050.040
3 4,0001.320.091.130.070.080 4,0001.720.051.720.090.070
4 6,0001.370.141.170.110.125 6,0001.820.151.780.150.150
5 8,0001.420.191.220.160.175 8,0001.860.191.820.190.190
610,0001.470.241.260.200.22010,0001.900.231.870.240.235
712,0001.510.281.310.250.26512,0001.970.301.920.290.295
814,0001.550.321.350.290.30514,0002.000.331.980.350.340
916,0001.600.371.400.340.35516,0002.030.362.040.410.385
1018,0001.640.411.440.380.39518,0002.100.432.090.460.445
1120,0001.680.451.490.430.44020,0002.130.462.140.510.485
1222,0001.720.491.540.480.48522,0002.200.532.200.570.550
1324,0001.780.551.580.520.53524,0002.260.592.260.630.610
1426,0001.820.591.640.580.58526,0002.310.642.320.690.665
1528,0001.880.651.680.620.63528,0002.380.712.400.770.740
1630,0001.920.691.730.670.68030,0002.420.752.470.840.795
1732,0001.970.741.790.730.73532,0002.490.822.550.920.870
1834,0002.020.791.850.790.79034,0002.580.912.620.990.950
1936,0002.070.841.900.840.840 
2038,0002.130.901.970.910.915 
2140,0002.200.972.030.970.970 
2242,0002.271.042.111.051.045 
2344,0002.371.142.211.151.145 
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 02.28 02.05 0 0 01.44 01.58 0 0
2 2,0002.310.032.100.050.040 2,0001.500.061.640.060.06
3 4,0002,340.062.140.090.075 4,0001.550.111.700.120.115
4 6,0002.400.122.190.140.130 6,0001.620.181.760.180.180
5 8,0002.430.152.230.180.165 8,0001.680.241.820.240.240
610,0002.470.192.280.230.21010,0001.720.281.890.310.295
712,0002.510.232.320.270.25012,0001.800.361.940.360.360
814,0002.540.262.370.320.29014,0001.850.412.000.420.415
916,0002.590.312.410.360.33516,0001.900.462.060.480.470
1018,0002.620.342.450.400.37018,0001.980.542.130.550.545
1120,0002.680.402.500.450.42520,0002.030.592.190.610.600
1222,0002.720.442.540.490.46522,0002.090.652.250.670.660
1324,0002.780.502.600.550.52524,0002.150.712.330.750.730
1426,0002.820.542.650.600.57026,0002.230.792.420.840.815
1528,0002.870.592.690.640.61528,0002.320.882.490.910.895
1630,0002.910.632.740.690.66030,0002.420.982.621.041.010
1732,0002.970.692.780.730.71032,0002.561.122.741.161.140
1834,0003.010.732.850.800.76534,0002.671.232.871.291.265
1936,0003.070.792.900.850.820 
2038,0003.140.862.980.930.895 
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 01.97 01.37 0 0 01.31 01.25 0 0
2 2,0002.010.041.400.030.035 2,0001.370.061.310.060.06
3 4,0002.060.091.430.060.075 4,0001.410.100.360.110.105
4 6,0002.080.111.470.100.105 6,0001.460.150.400.150.150
5 8,0002.110.141.500.130.135 8,0001.490.180.450.200.190
610,0002.160.191.540.170.18010,0001.540.231.490.240.235
712,0002.190.221.570.200.21012,0001.580.271.530.280.275
814,0002.220.251.610.240.24514,0001.620.311.570.320.315
916,0002.250.281.650.280.28016,0001.680.371.650.400.385
1018,0002.290.321,690.320.32018,0001.780.411.710.460.435
1120,0002.320.351.730.360.35520,0001.990.681.970.720.700
1222,0002.360.391.780.410.400 
1324,0002.390.421.830.460.440 
1426,0002.420.451.850.480.465 
1528,0002.470.501.900.530.515 
1630,0002.500.531.950.580.565 
1732,0002.540.571.990.620.595 
1834,0002.590.622.040.670.645 
1936,0002.630.662.090.720.690 
2038,0002.680.712.170.800.755 
2140,0002.730.762.210.840.800 
2242,0002.800.832.300.930.880 
2344,0002.900.932.401.030.980 
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 01.22 01.30 0 0 01.28 01.30 0 0
2 2,0001.260.041.340.040.04 2,0001.300.021.350.050.035
3 4,0001.290.071.380.080.075 4,0001.360.081.390.090.085
4 6,0001.330.111.420.120.115 6,0001.400.121.440.140.130
5 8,0001.370.151.470.170.160 8,0001.430.151.470.170.160
610,0001.420.201.510.210.20510,0001.470.191.510.210.200
712,0001.450.231.550.250.24012,0001.510.231.560.260.245
814,0001.500.281.590.290.28514,0001.550.271.600.300.285
916,0001.540.321.630.330.32516,0001.590.311.640.340.325
1018,0001.580.361.680.380.37018,0001.620.341.690.390.365
1120,0001.610.391.720.420.40520,0001.660.381.740.440.410
1222,0001.660.441.760.460.45022,0001.710.431.800.500.465
1324,0001.810.591.810.510.55024,0001.770.491.840.540.515
1426,0001.860.641.860.560.60026,0001.830.551.900.600.575
1528,0001.910.691.910.610.65028,0001.900.621.970.670.645
1630,0001.960.741.960.660.70030,0001.970.692.020.720.705
1732,0002.000.782.020.720.75032,0002.120.842.100.800.820
1834,0002.040.822.110.810.81534,0002.200.922.160.860.885
1936,0002.100.882.200.900.89036,0002.291.012.240.940.975
2038,0002.160.942.250.950.94538,0002.391.112.321.021.065
2140,0002.281.062.381.081.070 
2242,0002.381.162.421.121.140 
2344,0002.441.222.521.221.220 
2446,0002.531.312.601.301.305 
2548,0002.661.442.711.411.425 
2650,0002.781.562.871.571.565 
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.