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LATEST ARTICLES

Design of Reinforced Concrete Staircase According to Eurocode 2

1.0 Introduction In multi-storey buildings, ramps, elevators, escalators, and stairs are often employed to facilitate vertical circulation. Circulation refers to the movement of people and...

Analysis of Bridge Deck Girders under Load Model 1 (EN 1991-2) Using Staad Pro

Bridges are structures designed to span over obstacles, and as such provide access routes for humans, animals, vehicles, fluid, and other objects as may...

Analysis and Design of a Continuous R.C. Raker Beam for Stadium Using Eurocode 2

The most common construction concept of sports stadiums today is a composite type where usually precast concrete terrace units (seating decks) span between inclined...

On Modal Analysis of Rigid Multi-Storey Frames

1.1 Introduction A structure undergoes free vibration when it is brought out of static equilibrium and can then oscillate without any external dynamic excitation. Free...

Solved Example on the Analysis of Internal Stresses in Frames Due to Settlement of Support

In this post, an indeterminate frame whose support has been subjected to an indirect action of differential settlement has been presented and fully solved....

Analysis of Statically Determinate Frames (1)

In the paper downloadable in this post, the frame loaded as shown above was completely analysed using the equation of statics to obtain the...

Static Determinacy of Rigid Frames

1.1 Introduction A structure is stable when it maintains balance in force and moment. As a result, we know that from statics, if a structure...

A few things you should know about manholes

1.0 Introduction A manhole (alternatively called utility hole, cable chamber, maintenance hole, inspection chamber, access chamber or confined space) is the top opening to an...

Example on Application of Vereshchagin’s Rule on Analysis of Frames Using Force Method

The frame shown above is supported with rollers at A, C and D, and pinned at point B. It is loaded as shown ,...

Formulation of Diagram Combination Equations Based on Vereshchagin’s Rule

The famous Maxwell-Mohr’s integral forms the backbone of force method of structural analysis, and computing of displacements in beams and frames. It is more...

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PRACTICAL ANALYSIS AND DESIGN OF STEEL ROOF TRUSSES TO EUROCODE 3: A SAMPLE DESIGN

1.0 INTRODUCTION The most widespread alternative for roof construction in Nigeria is the use of trusses, of which timber and steel are the primary choice...

Structural Design of Swimming Pools and Underground Water Tanks

I spent a large part of the last few months developing the contents of this booklet on 'Structural Design of Underground Water Tanks and...

Structural Analysis and Design of Residential Buildings Using Staad.Pro, Orion, and Manual Calculations

This should be a long post, but I am going to try and keep it as brief as possible. This post is more like...

Structural Aspects of Pile Foundation Design: A Practical Example

Geotechnical engineers are expected to hand over soil investigation report to structural engineers, who will proceed to provide the longitudinal reinforcements needed for the...

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