A 15 x 25 in. column is reinforced with four No. 9 (No. 29) bars, one in each corner as shown in Figure (a). The concrete cylinder strength is f. = 4000 psi andthe steel yield strength is 60000 psi. Determine the load Po, moment M, for tension failure. &,=0.003, E;=29000, c=7.00 in.Imperial Metric bar Linear Mass Density Nominal diameter Nominal area25"bar size size (soft)(in)(mm) (in) (mm')2.5"-2.5"0.250 - % 6.35 0.05 320.375 - % 9.53 0.11 710.500 = 4 12.7 0.20 1290.625 = % 15.9 0.31 2000.750 = % 19.10.875 = % 222 0.60 3871.000 = % 25.4 0.79 5101.128 - % 28.7 1.00 6451.270 - 1% 32.3 1.27 8191.410 - % 35.8No.60.1670.249#3No. 100.3760.560No. 130.6680.994#4#5No. 161.0431.56215"No. 191.5022.2350.44 284#7No.222.0443.042#8No 2526703.973No. 29A'se varies3.400As#95.060#10No.324.3036.404#11No.365.3137.9071.56 1,006No 437.65011.3841.693 -1% 43.0 2.25 1,452#142.257- 1% 573(a)#18No.5713.6020.2394.00 2,581O a. 295.30 Kips, 5208.93 in-kipsO b. 270.30 Kips, 5158.93 in-kipsO. 295.30 Kips, 5158.93 in-kipsO d. 270.30 Kips, 5208.93 in-kips

A 15 x 25 in. column is reinforced with four No. 9 (No. 29) bars, one in each corner as shown in Figure (a). The concrete cylinder strength is f. = 4000 psi and the steel yield strength is 60000 psi. Determine the load Pa, moment M, for tension failure. E=0.003, E;=29000, c=7.00 in. Imperial Metric bar Linear Mass Density Nominal diameter Nominal area 25" bar size size (soft (in) (mm) (in) (mm) 0.250 - 4 6.35 0.05 32 2.5" 2.5" No.6 0.167 0.249 No. 10 No. 13 No. 16 0.376 0.560 0.375 = % 9.53 0.11 71 0.668 0.994 0.500 = 4 12.7 0.20 129 0 625 = % 15.9 031 200 Pn 1.043 1.562 15" No. 19 1.502 2.235 0.750% 19.1 0.44 284 0.875 = 4 222 0.60 387 1.000 =% 254 079 510 1. 128 -% 26.7 1.00 645 1.270-1% 323 No 22 2.044 3.042 No 25 2670 3.973 A's e varies - 3.400 5.060 As No 29 10 No 32 4.303 6.404 1.27 819 #11 No.36 5.313 7.907 1.410 - % 358 1.56 1.005 No 43 7 650 11.384 1.693 -% 430 2 25 1,452 #14 2 257 -% 573 4.00 2.581 (a) 18 No 57 1360 20 239

A 15 x 25 in. column is reinforced with four No. 9 (No. 29) bars, one in each corner as shown in Figure (a). The concrete cylinder strength is f. = 4000 psi and the steel yield strength is 60000 psi. Determine the load Pa, moment M, for tension failure. E=0.003, E;=29000, c=7.00 in. Imperial Metric bar Linear Mass Density Nominal diameter Nominal area 25" bar size size (soft (in) (mm) (in) (mm) 0.250 - 4 6.35 0.05 32 2.5" 2.5" No.6 0.167 0.249 No. 10 No. 13 No. 16 0.376 0.560 0.375 = % 9.53 0.11 71 0.668 0.994 0.500 = 4 12.7 0.20 129 0 625 = % 15.9 031 200 Pn 1.043 1.562 15" No. 19 1.502 2.235 0.750% 19.1 0.44 284 0.875 = 4 222 0.60 387 1.000 =% 254 079 510 1. 128 -% 26.7 1.00 645 1.270-1% 323 No 22 2.044 3.042 No 25 2670 3.973 A's e varies - 3.400 5.060 As No 29 10 No 32 4.303 6.404 1.27 819 #11 No.36 5.313 7.907 1.410 - % 358 1.56 1.005 No 43 7 650 11.384 1.693 -% 430 2 25 1,452 #14 2 257 -% 573 4.00 2.581 (a) 18 No 57 1360 20 239

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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