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Axial force, Shear force and Bending Moment Video Lecture - Civil Engineering (CE)
FAQs on Axial force, Shear force and Bending Moment Video Lecture - Civil Engineering (CE)
| 1. What is axial force in civil engineering? |  |
| 2. What is shear force in civil engineering? | |
Shear force in civil engineering refers to the internal force that acts parallel to the surface of a structural member. It is caused by transverse loads, such as beams or slabs, and is responsible for causing the member to deform or fail in shear. Shear force is typically represented by the symbol "V" and is an important consideration in structural analysis and design.
| 3. What is bending moment in civil engineering? | |
Bending moment in civil engineering refers to the internal moment that causes a structural member, such as a beam or column, to bend. It is caused by the application of external loads that create a moment about the member's axis. Bending moment is important in structural design as it determines the member's capacity to resist bending and influences the selection of appropriate materials and dimensions.
| 4. How are axial force, shear force, and bending moment related? | |
Axial force, shear force, and bending moment are all internal forces that act on structural members. They are interrelated and influence the behavior and design of the member. Axial force, shear force, and bending moment interact to create complex stress and deformation patterns within the member. Understanding their distribution and magnitude is crucial for ensuring the structural integrity and safety of the design.
| 5. What are the practical applications of understanding axial force, shear force, and bending moment in civil engineering? | |
Understanding axial force, shear force, and bending moment is essential in civil engineering for various applications. It helps in the design of structural members, such as beams, columns, and slabs, by determining their strength and capacity to resist different types of loads. This knowledge is also crucial in analyzing the behavior of existing structures, identifying potential failure mechanisms, and proposing suitable remedial measures. Civil engineers use this understanding to ensure the safety, durability, and efficiency of structures in various construction projects.
Text Transcript from Video
hello everyone in this video I will
share some of the sign convention that
we need to follow to find the internal
forces so we will I will be sharing what
is the sign convention of the shear
force what is a sign convention of
bending moment and what is the sign
convention of axial force what is the
sign convention of bending moment what
is the science sign convention of shear
force and what is the sign convention of
axial force so first we will talk about
axial force
I agree shear force
axial force is always along the member
it is always along the member or we can
say parallel to the member so here in
this case it is in compression the
nature of the axial force in is in
compression so when you see that that
the axial force is in compression in
nature then the axial force is negative
and when the axial force are tensile in
nature then you take it as a positive
so you indicate positive for the for the
tensile additional force you indicate
negative for the compression axial force
okay with regards to shear force shear
force when you are following a direction
for example the following a direction
left to right left to right if I take a
beam this is my beam simply supported
beam a B
and I'm following a direction A to B it
means that I am following a direction
left to right so when you are following
this direction left to right whatever
the force which is going upward take it
positive and whatever the force which is
going downward take it negative this is
a sign convention for sheer force now
let us talk about the sign convention of
bending moment bending moment the same
we have to define the sign convention
with respect to the direction that we
are following if you are following left
to right direction left to right or a to
B then then clockwise moment will be
positive and anti-clockwise moment will
be negative when I following a direction
left to right and in case of sometimes
you also have to go from right to left
when you are following a direction from
right to left or right to left exactly
opposite of this you remember one
direction the sign convention of one
direction the other will be exactly
opposite of this here clockwise will
will be negative anti-clockwise will be
positive
share some of the sign convention that
we need to follow to find the internal
forces so we will I will be sharing what
is the sign convention of the shear
force what is a sign convention of
bending moment and what is the sign
convention of axial force what is the
sign convention of bending moment what
is the science sign convention of shear
force and what is the sign convention of
axial force so first we will talk about
axial force
I agree shear force
axial force is always along the member
it is always along the member or we can
say parallel to the member so here in
this case it is in compression the
nature of the axial force in is in
compression so when you see that that
the axial force is in compression in
nature then the axial force is negative
and when the axial force are tensile in
nature then you take it as a positive
so you indicate positive for the for the
tensile additional force you indicate
negative for the compression axial force
okay with regards to shear force shear
force when you are following a direction
for example the following a direction
left to right left to right if I take a
beam this is my beam simply supported
beam a B
and I'm following a direction A to B it
means that I am following a direction
left to right so when you are following
this direction left to right whatever
the force which is going upward take it
positive and whatever the force which is
going downward take it negative this is
a sign convention for sheer force now
let us talk about the sign convention of
bending moment bending moment the same
we have to define the sign convention
with respect to the direction that we
are following if you are following left
to right direction left to right or a to
B then then clockwise moment will be
positive and anti-clockwise moment will
be negative when I following a direction
left to right and in case of sometimes
you also have to go from right to left
when you are following a direction from
right to left or right to left exactly
opposite of this you remember one
direction the sign convention of one
direction the other will be exactly
opposite of this here clockwise will
will be negative anti-clockwise will be
positive
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Mar 28, 2025
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