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Structural Design of Encased Steel Columns

Composite sections of concrete and steel have a lot of advantages especially in the structural performance and fire resistance of a building....

Flexural Buckling of Columns

When structural members are subjected to compressive forces, the members may fail before the compressive resistance (A.fy) is reached. This premature failure is usually...

Design of Axially Loaded Timber Columns to EC5

Eurocode 5 deals with the limit state design of timber structures. In this post, we are going to present an example on how we...

Concealing of PVC pipes in RC Columns

In modern building construction, PVC pipes (plumbing works) on the surface of buildings is not always very desirable. In a country like Nigeria, PVC...

Structural Design of Steel Fin Plate Connection

1.0 Introduction The fin plate connection is very popular in the construction industry due to its ease of erection, and the absence of shared bolts...

Thickness Design of Column Base Plate Using Prokon Software

Last year, I made a submission here on how to carry out the thickness design of column base plates. See post below; Thickness Design of Column...

How to Analyse Sub-frames For Column Design Moment

In our last post, I highlighted the different methods of loading sub-frames such as to obtain the maximum design moment on the columns (Follow...

How to Load R.C. Columns in a Building for Maximum Design Moment

Earlier this year, I made a submission on how to calculate column axial loads by considering beam support reactions. Just in case you missed...

Analysis of Column Loads in a Building By Considering Beam Support Reactions

Introduction In the manual design of reinforced concrete structures, column loads are usually assessed by considering the support reactions from beams they are supporting, or...

Comparative Design of Biaxial R.C. Columns to BS 8110 and EC2

A reinforced concrete column fixed at both ends is subjected to the following loading conditions as given below. We are required to obtain the...

How to Calculate the Anchorage and Lap Length of Steel Reinforcements According to Eurocode 2

Reinforcing bars should be well anchored so that the bond forces are safely transmitted to the concrete to avoid longitudinal cracking or spalling. Transverse...

Solved Example on Design of Slender Columns According to EC2

1.0 Introduction Loads from slabs and beams are transferred to the foundations through the columns. In typical cases, columns are usually rectangular or circular in...

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Structural Design of Signposts and Billboards

As the name implies, signposts are post bearing structures that offer information or guidance to people. They are a prominent feature...

Structural Design of Corbels

A corbel is a very short structural cantilever member projecting from a wall or a column for the purpose of carrying...

P-Delta Analysis

P-delta is a geometric non-linear effect that occurs in structures that are subjected to compressive loads and lateral displacement. Under the...

Plates on Elastic Foundation

Many problems of practical importance can be related to the solution of plates resting on an elastic foundation. Reinforced concrete pavements...
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