A rectangular concrele beam of cross-sction 30 cm deep and 20 cm wide is prestressed by means of 15 wires of 5 mm dianmeter lecated 6 5 em from the bottom of the boam and 3 wires of diameter of 5 mm, 2.5 em from the top. Assuming the prestress in the steel as 840 N/mm", calculate the stresses at the extreme libers of the mid-span section when the beam is supporting its own weight over a span of 6 m. if'a uniformly distributed live load of 6kN/m ie imposed, evaluate the maximum working stress in concreie. The density of concrete is 24KN/m. Clheck the alluwable stresses of 200 mm ACI code LL=6kN/m I 25 mmi to' 12 MPa fki- 33 MPa A 300 Answer The resultant working stresses 65 mm (colf woigl

A rectangular concrele beam of cross-sction 30 cm deep and 20 cm wide is prestressed by means of 15 wires of 5 mm dianmeter lecated 6 5 em from the bottom of the boam and 3 wires of diameter of 5 mm, 2.5 em from the top. Assuming the prestress in the steel as 840 N/mm", calculate the stresses at the extreme libers of the mid-span section when the beam is supporting its own weight over a span of 6 m. if'a uniformly distributed live load of 6kN/m ie imposed, evaluate the maximum working stress in concreie. The density of concrete is 24KN/m. Clheck the alluwable stresses of 200 mm ACI code LL=6kN/m I 25 mmi to' 12 MPa fki- 33 MPa A 300 Answer The resultant working stresses 65 mm (colf woigl

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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