Question 1 a) A standard mild steel tensile test specimen has a diameter of 16mm and a gauge length of 80mm. the specimen was tested to destruction and the following results obtained, Load at yield point = 87KN Extension at yield point = 173 x 10“ m Ultimate load = 124KN %3D Total extension at fracture = 24mm Diameter of specimen at fracture = 9.8mm Cross-sectional area at fracture = 75.4mm? Cross-sectional area "A" = 200mm² Compute the followings: Modulus of elasticity of steel. Ultimate tensile stress. i. ii. iii. Yield stress iv. Percentage elongation.
Question 1 a) A standard mild steel tensile test specimen has a diameter of 16mm and a gauge length of 80mm. the specimen was tested to destruction and the following results obtained, Load at yield point = 87KN Extension at yield point = 173 x 10“ m Ultimate load = 124KN %3D Total extension at fracture = 24mm Diameter of specimen at fracture = 9.8mm Cross-sectional area at fracture = 75.4mm? Cross-sectional area "A" = 200mm² Compute the followings: Modulus of elasticity of steel. Ultimate tensile stress. i. ii. iii. Yield stress iv. Percentage elongation.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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a) A standard mild steel tensile test specimen has a diameter of 16mm and a gauge length of
80mm. the specimen was tested to destruction and the following results obtained,
Load at yield point = 87KN
Extension at yield point = 173 x 10“ m
Ultimate load = 124KN
%3D
Total extension at fracture = 24mm
Diameter of specimen at fracture = 9.8mm
Cross-sectional area at fracture = 75.4mm?
Cross-sectional area "A" = 200mm²
Compute the followings:
Modulus of elasticity of steel.
Ultimate tensile stress.
i.
ii.
iii.
Yield stress
iv.
Percentage elongation.
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