A pretensioned beam of rectangular section 300 mm wide and700 mm deep is stressed by 800 mm² of high-tensile steel at an effective depth of600 mm. The beam is reinforced with supplementary steel consisting of 2 bars each of25 mm diameter located 100 mm from the soffit. Given f = 40 N/mm², fpu1600 N/mm², f, = 460 N/mm². (fpy/pu) = 0.92, estimate the moment capacity of thesection according ACI 318-1989 code provisions.

Answered: Image /qna-images/answer/4948a086-d618-4fb0-a3ac-82b6bfa8957f.jpg

Answered: 1600 N/mm², fy = 460 N/mm². Upypu) =…

1600 N/mm², fy = 460 N/mm². Upypu) = 0.92, estimate the moment capacity of the section according ACI 318-1989 code provisions.

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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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with. 

Question

A pretensioned beam of rectangular section 300 mm wide and
700 mm deep is stressed by 800 mm² of high-tensile steel at an effective depth of
600 mm. The beam is reinforced with supplementary steel consisting of 2 bars each of
25 mm diameter located 100 mm from the soffit. Given f = 40 N/mm², fpu
1600 N/mm², f, = 460 N/mm². (fpy/pu) = 0.92, estimate the moment capacity of the
section according ACI 318-1989 code provisions.

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