Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 | Page 7

|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; ||24,000
lb., First Crack; 51,330 lb., Failed. ||44,000 lb., Failed. || 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. || Maximum:
Load, 51,330 lb.; ||Maximum: Load, 44,000 lb.; deflection,.....; ||
deflection,.....; S, 8,925 lb. || S, 6,627 lb. || E = 1,695,000 lb. || E =
1,625,000 lb.
===================================================
======================
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.
===================================================
====================== | 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 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; ||28,000 lb.,
First Crack; 51,900 lb., Failed. ||49,000 lb., Failed. || At Elastic Limit:
Load, 34,000 lb.; ||At Elastic Limit: Load, 20,000 lb.; deflection, 0.62
in.; || deflection, 0.38 in.; S, 4,580 lb. || S, 2,845 lb. || Maximum: Load,
51,900 lb.; ||Maximum: Load, 49,000 lb.; deflection,.....; ||
deflection,.....; S, 6,985 lb. || S, 6,970 lb. || E = 1,637,000 lb. || E =
1,658,000 lb.
===================================================
======================

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