In doubly reinforced beams, compressive reinforcement is used:Select onea.to reduce long term (creep) deflections.Ob.to support the stirrups.C.for all what is mentioned in the other itemsOd.to increase the strength of a limited cross-section. In reinforced concrete beams subject to puremoment, the total number of independentequilibrium equations which can be written is:Select one:O a Two equationsb. One equationc. Four equationsd.Three equations

As per bartleby guidelines we are supposed to answer first question in multiple questions kindly…

In doubly reinforced beams, compressive reinforcement is used: Select one a. to reduce long term (creep) deflections. Ob. to support the stirrups. C. for all what is mentioned in the other items to increase the strength of a limited cross-section.

In doubly reinforced beams, compressive reinforcement is used: Select one a. to reduce long term (creep) deflections. Ob. to support the stirrups. C. for all what is mentioned in the other items to increase the strength of a limited cross-section.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.1.3P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

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In doubly reinforced beams, compressive reinforcement is used:
Select one
a.
to reduce long term (creep) deflections.
Ob.
to support the stirrups.
C.
for all what is mentioned in the other items
Od.
to increase the strength of a limited cross-section.

In reinforced concrete beams subject to pure
moment, the total number of independent
equilibrium equations which can be written is:
Select one:
O a Two equations
b. One equation
c. Four equations
d.
Three equations

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