A two-span continuous concrete beam is to be supported by three concrete walls spaced (9536/25) -in on centers. A service live load of 1.5 kips/ft is to be carried in addition to the self-weight of the beam. Use pattern loading; i.e., consider two loading conditions: (1) live load on both spans and (2) live load on a single span. A constant rectangular cross section is to be used with d = 2b, but reinforcement is to be varied according to

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
100%
A two-span continuous concrete beam is to be supported by three concrete walls
spaced (9536/25) -in on centers. A service live load of 1.5 kips/ft is to be carried in addition
to the self-weight of the beam. Use pattern loading; i.e., consider two loading conditions:
(1) live load on both spans and (2) live load on a single span. A constant rectangular cross
section is to be used with d = 2b, but reinforcement is to be varied according to
requirements. Design the beam by finding the required concrete dimensions and
reinforcement at sections of maximum positive bending moment. Allow for No. 3 stirrups.
Use a span-to-depth ratio of 15 as the first estimate of the depth. Adjust the depth if the
reinforcement ratio is too high. Include sketches, drawn to scale, of the critical cross
sections. Use fy = 60000 psi and f'. = 6500 psi.
Transcribed Image Text:A two-span continuous concrete beam is to be supported by three concrete walls spaced (9536/25) -in on centers. A service live load of 1.5 kips/ft is to be carried in addition to the self-weight of the beam. Use pattern loading; i.e., consider two loading conditions: (1) live load on both spans and (2) live load on a single span. A constant rectangular cross section is to be used with d = 2b, but reinforcement is to be varied according to requirements. Design the beam by finding the required concrete dimensions and reinforcement at sections of maximum positive bending moment. Allow for No. 3 stirrups. Use a span-to-depth ratio of 15 as the first estimate of the depth. Adjust the depth if the reinforcement ratio is too high. Include sketches, drawn to scale, of the critical cross sections. Use fy = 60000 psi and f'. = 6500 psi.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Knowledge Booster
Beams
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