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1. Discuss the concept of prestressed concrete, the two different prestressing types and methods. Add illustration for a better presentation.

1. Discuss the concept of prestressed concrete, the two different prestressing types and methods. Add illustration for a better presentation.

Structural Analysis
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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SUBJECT: PRESTRESSED CONCRETE

NOTE: DO NOT ROUND OFF IF IT IS NOT THE FINAL ANSWER, THE FINAL ANSWER MUST BE 3 DECIMALS

SHOW  DETAILED SOLUTION ESPECIALLY FOR NUMBER 2

 

FOR NUMBER 1 ANSWER AND SHOW WHAT BEING ASKED

 

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1. Discuss the concept of prestressed concrete, the two different prestressing types and methods. Add illustration for a better presentation. 2. For the prestressed concrete beam shown below, the beam is reinforced with prestressing steel. The material properties and prestressing are as follow: fc' = 40 MPa fci' = 35 MPa fpu = 1860 MPa fpi = 1120 MPa Aps = 8 x 100mm² fpe = 1720 MPa Allowable stresses at final stage: ftop = 0.45fc' fbottom=0.50 √fc' Determine the following: a. deadlod (self-weight) of the beam, kN/m b. liveload the beam could carry for allowable stress in compression, kN/m c. liveload the beam could carry for allowable stress in tension, kN/m
Transcribed Image Text:1. Discuss the concept of prestressed concrete, the two different prestressing types and methods. Add illustration for a better presentation. 2. For the prestressed concrete beam shown below, the beam is reinforced with prestressing steel. The material properties and prestressing are as follow: fc' = 40 MPa fci' = 35 MPa fpu = 1860 MPa fpi = 1120 MPa Aps = 8 x 100mm² fpe = 1720 MPa Allowable stresses at final stage: ftop = 0.45fc' fbottom=0.50 √fc' Determine the following: a. deadlod (self-weight) of the beam, kN/m b. liveload the beam could carry for allowable stress in compression, kN/m c. liveload the beam could carry for allowable stress in tension, kN/m
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