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PDF10 |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||
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33,000 lb., First Crack; ||24,000 lb., First Crack;
51,330 lb., Failed. ||44,000 lb., Failed.
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At Elastic Limit: Load, 22,000 lb.; ||At Elastic Limit: Load, 20,000 lb.;
deflection, 0.45 in.; || deflection, 0.41 in.;
S, 3,484 lb. || S, 3,018 lb.
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Maximum: Load, 51,330 lb.; ||Maximum: Load, 44,000 lb.;
deflection,.....; || deflection,.....;
S, 8,925 lb. || S, 6,627 lb.
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E = 1,695,000 lb. || E = 1,625,000 lb.
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TABLE 4.—(Continued.)—LOAD AND DEFLECTION LOG. BEAM VII.
Columns in table:
A: Load, in pounds.
B: Reading.
C: Total deflection.
D: Mean total deflection.
Date: March 2d, 1909. Date: February 20th, 1909. l = 12 ft.; l = 12 ft.; b (mean) = 6.56 in.; b (mean) = 6.22 in.; h (mean) = 15.62 in.; h (mean) = 15.62 in.; c = 7.81 in. c = 7.81 in. Time = 1 hr. Time = 33 min.
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================== | P | DEFLECTION, IN INCHES. || P | DEFLECTION, IN INCHES. No.+------+----+----+----+----+-----++---------+----+----+--
--+----+----- | A | B | C | B | C | D || A | B | C | B | C | D ---+------+----+----+----+----+-----++---------+----+----+--
--+----+----- 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
