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Introduction -Steel Design

Introduction -Steel Design. Examples 1:. Introduction -Steel Design. Introduction -Steel Design. Examples 1:. Examples 1:. 1.5-1 A 20-foot-long W8 x 67 is suspended from one end. If the modulus of elasticity is 29,000 ksi, a. What is the maximum tensile stress?

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Introduction -Steel Design

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  1. Introduction -Steel Design Examples 1: Introduction -Steel Design Introduction -Steel Design • Examples 1: • Examples 1: 1.5-1 A 20-foot-long W8 x 67 is suspended from one end. If the modulus of elasticity is 29,000 ksi, a. What is the maximum tensile stress? b. What is the maximum normal strain? • Solution: • Solution: • Maximum normal strain Hooke's low. • The stress is directly proportional to the strain • p=20×67=1340 Ib. • A=1907 in2 .

  2. Introduction -Steel Design • Examples 2: 1.5-3 During a tensile test of a specimen of unknown material, an increase in length of 6.792 x 10-3 inches within the gage length was recorded at a load of 5000 lb. The specimen diameter was 0.5 inch and the gage length was 8 inches. (The gage length is the distance between two marks placed along the length of the specimen.) a. Based on this one data point, what is the modulus of elasticity? b. If the load at fracture was 14,700 lb. what is the ultimate tensile stress? • Solution:

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