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**Basics of Strength Of Material continued...Part-3**

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**Pure
Axial Loading**

A
member is said to be under pure axial loading when it is subjected to two equal
and opposite axial loads in such a way that the magnitude of axial load remains
constant throughout the length of the member (ie Axial load =constant, shear
force=BM=TM=0).

**Pure Bending**

A
member is said to be under Pure Bending when it is subjected to two equal and
opposite couples in a plane along the longitudinal axis of the member (ie
Bending couples) in such a way that the magnitude of B.M remains constant
throughout the length of the member (ie BM=constant, Axial Load=Shear
Force=Twisting Moment=Zero).

**Bending Moment**

BM
at any given cross-section is defined as the algebraic sum of moments either of
the LHS of the cross-section or RHS of the cross-section.

**Sign Convention For Bending Moment:**

Bending
Moment at any Cross section is said to be positive: when it is acting in the
clockwise direction on the LHS of cross-section or when it is acting in the
anticlockwise direction on the RHS of cross-section and vice-versa.

**Shear Force**

SF
at any given cross-section is defined as the algebraic sum of vertical forces
either on the LHS of the cross-section or on the RHS of the cross-section.

**Sign Convention For Shear Force**

SF
at a given cross-section is said to be positive: when it is acting in upward
direction on LHS of cross-section. Or when it is acting in downward direction
on RHS of the cross-section and Vice-versa.

**Equivalent Load under Eccentric Axial Load:**

**Equivalent Load under Transverse Shear Load:**

**Pure Torsion:**

A
member is said to be under pure torsion when it is subjected to two equal and
opposite couples in a plane perpendicular to the longitudinal axis of the
member (ie twisting couple) in a such a way that magnitude of twisting moment
remains constant throughout the length of the member (ie TM=Constant, Axial
Load=Shear Force= Bending Moment=Zero).

**Eccentric Transverse Shear Load**

**Summary Table of Equivalent Load and their**

**Resultant Effect:**

**Download PDF**

## 2 Comments

Where is the download link ?

ReplyDeletesir how to download the file sir

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