A rectangular beam section is limited to a size of b=250 mm and h=400 mm. Assume that bars in compression will be placed at 60 man from the compression fiber and bars in tension 60 mm from the tension fiber. Given that f'c=21 MPa and fy = 420 MPa 1. Calculate the amount of tension rebars that will have a minimum tensile strain of 0.005 compatible with concrete strain of 0.003 2. If the beam section will be reinforced with tension rebars at a minimum tensile strain of 0.005, calculate the required depth in men of uniform stress block on concrete in compression. 3. With this amount of tension rebars, calculate the design strength of the beam section in kN m. 4. For the beam to sustain a factored moment of 160 kN.m, what will be the required amount of tension steel area in mm² in addition to the tension rebars described in item #1.
A rectangular beam section is limited to a size of b=250 mm and h=400 mm. Assume that bars in compression will be placed at 60 man from the compression fiber and bars in tension 60 mm from the tension fiber. Given that f'c=21 MPa and fy = 420 MPa 1. Calculate the amount of tension rebars that will have a minimum tensile strain of 0.005 compatible with concrete strain of 0.003 2. If the beam section will be reinforced with tension rebars at a minimum tensile strain of 0.005, calculate the required depth in men of uniform stress block on concrete in compression. 3. With this amount of tension rebars, calculate the design strength of the beam section in kN m. 4. For the beam to sustain a factored moment of 160 kN.m, what will be the required amount of tension steel area in mm² in addition to the tension rebars described in item #1.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
A rectangular beam section is limited to a size of b=250 mm and h=400 mm. Assume that bars in compression will be placed at 60 man from the compression fiber and bars in tension 60 mm from the tension fiber. Given that f'c=21 MPa and fy = 420 MPa
1. Calculate the amount of tension rebars that will have a minimum tensile strain of 0.005 compatible with concrete strain of 0.003
2. If the beam section will be reinforced with tension rebars at a minimum tensile strain of 0.005, calculate the required depth in men of uniform stress block on concrete in compression.
3. With this amount of tension rebars, calculate the design strength of the beam section in kN m.
4. For the beam to sustain a factored moment of 160 kN.m, what will be the required amount of tension steel area in mm² in addition to the tension rebars described in item #1.
5. Considering a doubly reinforced section with tension rebars at a tensile strain of 0.005, calculate the resulting compression stress in MPa on rebars to be used in the compression zone.
6. Calculate the required amount of compression bars to sustain the required 160 kN.m factored moment
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 7 steps
Knowledge Booster
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.Recommended textbooks for you
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning