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

by W. B. Gregory

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.

Date: March 2d, 1909. l = 12 ft.; b (mean) = 6.56 in.; h (mean) = 15.62 in.; c = 7.81 in. Time = 1 hr.							Date: February 20th, 1909. l = 12 ft.; b (mean) = 6.22 in.; h (mean) = 15.62 in.; c = 7.81 in. Time = 33 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	1.84	0	1.71	0	0	0	1.69	0	1.73	0	0
2	2,000	1.88	0.04	1.74	0.03	0.035	2,000	1.72	0.03	1.77	0.04	0.035
3	4,000	1.92	0.08	1.79	0.08	0.080	4,000	1.76	0.07	1.80	0.07	0.070
4	6,000	1.96	0.12	1.81	0.10	0.110	6,000	1.80	0.11	1.84	0.11	0.110
5	8,000	2.00	0.16	1.85	0.14	0.150	8,000	1.84	0.15	1.87	0.14	0.145
6	10,000	2.03	0.19	1.89	0.18	0.185	10,000	1.88	0.19	1.92	0.19	0.190
7	12,000	2.06	0.22	1.93	0.22	0.220	12,000	1.91	0.22	1.95	0.22	0.220
8	14,000	2.11	0.27	1.95	0.24	0.255	14,000	1.95	0.26	2.00	0.27	0.265
9	16,000	2.14	0.30	1.99	0.28	0.290	16,000	1.99	0.30	2.03	0.30	0.300
10	18,000	2.18	0.34	2.03	0.32	0.330	18,000	2.03	0.34	2.06	0.33	0.335
11	20,000	2.22	0.38	2.05	0.34	0.360	20,000	2.07	0.38	2.11	0.38	0.380
12	22,000	2.25	0.41	2.10	0.39	0.400	22,000	2.11	0.42	2.16	0.43	0.425
13	24,000	2.29	0.45	2.13	0.42	0.435	24,000	2.15	0.46	2.20	0.47	0.465
14	26,000	2.32	0.48	2.17	0.46	0.470	26,000	2.19	0.50	2.24	0.51	0.505
15	28,000	2.36	0.52	2.21	0.50	0.510	28,000	2.23	0.54	2.28	0.55	0.545
16	30,000	2.40	0.56	2.25	0.54	0.550	30,000	2.27	0.58	2.33	0.60	0.590
17	32,000	2.43	0.59	2.29	0.58	0.585	32,000	2.32	0.63	2.37	0.64	0.635
18	34,000	2.47	0.63	2.32	0.61	0.620	34,000	2.36	0.67	2.42	0.69	0.680
19	36,000	2.51	0.67	2.37	0.66	0.665	36,000
20	38,000	2.56	0.72	2.41	0.70	0.710
27,000 lb., First Crack; 51,900 lb., Failed.							28,000 lb., First Crack; 49,000 lb., Failed.
At Elastic Limit: Load, 34,000 lb.; deflection, 0.62 in.; S, 4,580 lb.							At Elastic Limit: Load, 20,000 lb.; deflection, 0.38 in.; S, 2,845 lb.
Maximum: Load, 51,900 lb.; deflection,.....; S, 6,985 lb.							Maximum: Load, 49,000 lb.; deflection,.....; S, 6,970 lb.
E = 1,637,000 lb.							E = 1,658,000 lb.