Ubani Obinna Uzodimma
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A dynamic civil engineer with vast experience in research, design, and construction of civil engineering infrastructures. He is a member of the Nigerian Society of Engineers. Reach him at ubani@structville.com
Restraint and Restraint Factors of Concrete
If movement (expansion and/or contraction) is restricted within a young concrete element, tensile stresses will develop which will lead to cracking....
Cost of building a duplex in Nigeria (foundation to DPC)
The cost of building a duplex in Nigeria varies, and it is generally influenced by the size of the building, the...
Comparative Design of Triangular Pile Cap with free PDF download
In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...
What is Site Instruction?
A site instruction is a formal written order given by the heads of a project to contractors or sub-contractors on specific projects issues such...
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...
Calculation of Collapse Settlement of Collapsible Soils
Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...
Structural Analysis of Portal Frames Subjected to Gravity Load
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
On Consolidation Settlement of Pile Groups
When a group of piles are founded on saturated clays, the pile group undergoes time dependent consolidation settlement. This can be calculated using the...
Analysis of Beams on Elastic Foundation
Introduction
When a beam lies on elastic foundation under the action of externally applied loads, the reaction forces of the foundation are proportional at every...
Analysis and Design of Cantilever Retaining Walls on Staad Pro
In this post, we are going to show how cantilever retaining walls can be analysed and designed on Staad Pro software, and also compare...
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New Publication Alert: Structural Analysis and Design of Industrial Portal Frames
Buildings with large spans are very common in business parks, industrial complexes, warehouses, places of worship, leisure houses, and sports complexes....
Which Engineering Judgement Informed this Decision?
Looking at the image above, it can be seen that the contractor lapped and cranked the column reinforcement to an entirely...
Application of Wind Load to Shear Walls – A Manual Approach
The higher a building a goes, the higher the effects of lateral forces such as wind on the structure become. ...
Normally Consolidated and Overconsolidated Soils
When a saturated clay is subjected to external pressure, the pressure is initially taken up by the water in the pores thereby...