Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 eBook

This eBook from the Gutenberg Project consists of approximately 13 pages of information about Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910.

Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 eBook

This eBook from the Gutenberg Project consists of approximately 13 pages of information about Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910.
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; ||20,000 lb.  First Crack; 47,000 lb.  Failed. ||22,050 lb.  Failed. || At Elastic Limit:  Load, 22,000 lb.; ||At Elastic Limit:  Load, 14,000 lb.; deflection, 0.40 in.; || deflection, 0.315 in.; S, 3,090 lb. || S, 1,998 lb. || Maximum:  Load, 47,000 lb.; ||Maximum:  Load, 22,050 lb.; deflection,.......; || deflection,.......; S, 6,610 lb. || S, 3,145 lb. || E = 1,670,000 lb. || E = 1,382,000 lb. ============================================================
=============

TABLE 4.—­(Continued.)—­LOAD AND DEFLECTION LOG.  BEAM VI.

Columns in table: 

A:  Load, in pounds. 
B:  Reading. 
C:  Total deflection. 
D:  Mean total deflection.

Date:  February 12th, 1909.  Date:  February 13th, 1909. l = 12 ft.; l = 12 ft.; b (mean) = 5.5 in.; b (mean) = 5.87 in.; h (mean) = 15.75 in.; h (mean) = 15.62 in.; c = 7.88 in. c = 7.81 in.  Time = 40 min.

=======================================================
================== | P | DEFLECTION, IN INCHES. || P | DEFLECTION, IN INCHES.  No.+------+----+----+----+----+-----++---------+----+----+--
--+----+----- | A | B | C | B | C | D || A | B | C | B | C | D ---+------+----+----+----+----+-----++---------+----+----+--
--+----+----- 1 | 0 |1.22| 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
Copyrights
Project Gutenberg
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 from Project Gutenberg. Public domain.