Determine the prestressing steel area required for the precast concrete T-bear Use the following data: Total moment = 250 kN-m Effective stress fse= 862 MPa Allowable concrete stress = f.=11 MPa Consider zero stress at the bottom of the beam I=3673x106 mm A=103125 mm² Eccentricity = 271.6 mm Centroid of steel is located at 100 mm from the bottom of the beam.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Determine the prestressing steel area required for the precast concrete T-beam.
Use the following data:
Total moment = 250 kN-m
Effective stress fse= 862 MPa
Allowable concrete stress = f.=11 MPa
Consider zero stress at the bottom of the beam
I=3673x106 mm4
A=103125 mm²
Eccentricity = 271.6 mm
Centroid of steel is located at 100 mm from the bottom of the beam.
Select one:
a. 591.97 mm
b. 789.29 mm
2.
C. 443.98 mm
2.
d. 986.61 mm
Transcribed Image Text:Determine the prestressing steel area required for the precast concrete T-beam. Use the following data: Total moment = 250 kN-m Effective stress fse= 862 MPa Allowable concrete stress = f.=11 MPa Consider zero stress at the bottom of the beam I=3673x106 mm4 A=103125 mm² Eccentricity = 271.6 mm Centroid of steel is located at 100 mm from the bottom of the beam. Select one: a. 591.97 mm b. 789.29 mm 2. C. 443.98 mm 2. d. 986.61 mm
What is the stress at the top fiber of the precast concrete T-beam?
Use the following data:
Total moment = 250 kN-m
Effective stress fse= 862 MPa
Allowable concrete stress = fc=11 MPa
Consider zero stress at the bottom of the beam
I=3673x106 mm4
%3D
A=103125 mm²
Eccentricity = 271.6 mm
Centroid of steel is located at 100 mm from the bottom of the beam.
Select one:
O a. 6.00 MPa
b. 7.99 MPa
С. 10.65 MPa
d. 13.31 MPa
Transcribed Image Text:What is the stress at the top fiber of the precast concrete T-beam? Use the following data: Total moment = 250 kN-m Effective stress fse= 862 MPa Allowable concrete stress = fc=11 MPa Consider zero stress at the bottom of the beam I=3673x106 mm4 %3D A=103125 mm² Eccentricity = 271.6 mm Centroid of steel is located at 100 mm from the bottom of the beam. Select one: O a. 6.00 MPa b. 7.99 MPa С. 10.65 MPa d. 13.31 MPa
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Applications of Concrete Framing Systems
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning