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LATEST ARTICLES

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...

Construction of Precast Filigran Slab at a Glance

Introduction to filigran slab system Filigran slab is a universal system of reinforced concrete slab, that is used all over the world. This is due...

You can find out why this soak-away excavation collapsed..

This soak-away was being constructed somewhere in Abuja when some part of the soil caved in, and caused considerable damage to the already laid...

Comparative Example on Design of Axially Loaded Steel Column Using EC3 and BS 5950-1:2000

In structural members subjected to compressive forces (e.g. columns and struts), secondary bending caused by, for example, imperfections within materials during fabrication processes, inaccurate...

Example on the Analysis and Design of Continuous Slab and Beam Footing Per BS 8110-1:1997

The design presented here is just an excerpt from my final year project ‘Structural Analysis and Design of 35,000 Capacity Reinforced Concrete Stadium’. After...

On the Deformation of Rigid Frames Using Virtual Work Method

Structures deform when subjected to various conditions such as external loads, change in temperature, differential settlement, or fabrication errors. Deformation is often considered in...

Internal Forces in Frames Due to Temperature Difference

If a statically indeterminate structure is subjected to change in temperature, internal stresses are induced. This can be found in structures such as cooling...

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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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