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Design of Steel Structures by K. S. Sai Ram

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8

Beam-Columns

8.1 Introduction

In a practical situation, it is very rare to find an axially loaded column. Usually, columns are subjected to both an axial load and bending moments and are known as beam-columns. Some of the common situations in which a member acts as a beam-column are described below.

  1. A member may be subjected to both an axial compression and transverse loads (Figure 8.1(a))
  2. The axial load may not be acting through the centroid of the cross-section i.e., at an eccentricity ‘e’ from the centroid (Figure 8.1(b))
  3. The axial load not be acting on the column cross-section but transferring through a bracket or a seat (Figure 8.1(c))
  4. The columns are part of rigidly jointed frames due to which bending moments are transferred from the ...

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