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BRIDGES

Bridges

Analysis of Wind Load on Bridge Decks

Ubani Obinna - 4
In the design of bridges, environmental actions such as wind, snow, and temperature should also be considered alongside traffic actions. In...
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Bridges

Analysis and Design of Box Culvert Using Staad Pro

Ubani Obinna Uzodimma - 3
In our last post, we were able to establish how we can load box culverts properly. If you missed the post, kindly follow the...
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Application of Courbon’s Theory in the Analysis of T-Beam Bridge Decks

Beams Ubani Obinna - 0
Courbon’s theory is one of the popular classical methods of analysing slab and beam girder (T-beam) bridges. However, the results obtained from...

Analysis of Box Girder Bridges Using Staad Pro

Bridges Ubani Obinna - 0
A box girder is formed when two web plates are joined by a common flange at both the top and the bottom....

Wheel Load Dispersal on Box Culverts

Bridges Ubani Obinna - 0
Typically, anyone who wishes to design box culverts should be very familiar with design loading for bridges. In the UK and...

Loading and Design of Box Culverts to Eurocodes

Bridges Ubani Obinna Uzodimma - 15
Introduction A culvert is a drainage structure designed to convey storm water or stream of limited flow across a roadway. Culverts can consist of single...

GENERAL CIVIL ENGINEERING

Reinforced Concrete Design

Aspects of Modelling of Shear Walls

Ubani Obinna Uzodimma - 4
Shear walls are structural elements usually employed in tall buildings to assist in resisting lateral loads. Shear walls can be solid or pierced (coupled),...
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Dynamic Analysis

Natural Frequency Analysis of Multistorey Frames Using Staad Pro

Ubani Obinna - 2
https://youtu.be/dqxGIy9fcvo Vibration (or Oscillation) is a time-dependent, repeated motion which a body undergoes when it is excited...
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Eurocode 2

How To Apply Wind Load on High Rise Buildings

Ubani Obinna Uzodimma - 13
The effect of wind on a building gets more significant as the height of the building increases. In this post, wind load analysis has...
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BRIDGES

Bridges

Analysis and Design of Pedestrian Bridge Using Staad Pro

Ubani Obinna Uzodimma - 1
Pedestrian bridges (footbridges) are structures designed to enable human beings cross over obstacles such as busy highways, water bodies, gullies, etc. There are several...
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Difference Between Bridge and Culvert

Bridges Ivy Ugorji - 0

Static Analysis of Suspension Bridges: A solved Example

Bridges Ubani Obinna Uzodimma - 5

Waste Tyres can Improve Seismic Performance of Integral Abutment Bridges

Bridges Ubani Obinna - 0

Design of Pile Foundation System for Bridge Piers

Bridges Ubani Obinna - 0

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STRUCTURAL ANALYSIS

Bridges

Analysis of Vehicle Collision on Bridge Piers

Ubani Obinna - 4
EN 1991-1-7 discussed and gave guidance on accidental actions and their applications in the design calculations for bridge structures. It is obvious...
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Force Method

On the Deformation of Statically Indeterminate Frames Using Force Method

Ubani Obinna Uzodimma - 0
Structures deform when loaded. These deformations are often expressed in the form of deflections (translations) and rotations (slope). The knowledge about the deformation of...
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Bridges

Loading and Design of Box Culverts to Eurocodes

Ubani Obinna Uzodimma - 15
Introduction A culvert is a drainage structure designed to convey storm water or stream of limited flow across a roadway. Culverts can consist of single...
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Force Method

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

Ubani Obinna Uzodimma - 0
The frame shown above is supported with rollers at A, C and D, and pinned at point B. It is loaded as shown ,...
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Beams

Design of Reinforced Concrete Slanted / Raker Beams

Ubani Obinna Uzodimma - 2
Inclined beams (often called raker beams) are often found in structures like pedestrian bridges, ramps, staircases, stadiums, etc. Due to their geometry, these beams...
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Force Method

Internal Forces in Frames Due to Temperature Difference

Ubani Obinna Uzodimma - 0
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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Bridges

Analysis of Box Girder Bridges Using Staad Pro

Ubani Obinna - 0
A box girder is formed when two web plates are joined by a common flange at both the top and the bottom....
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Eurocode 2

Example on Structural Design of Waffle Slab

Ubani Obinna Uzodimma - 1
Waffle slabs can be described as the equivalent of 2-way solid slabs especially when the spans are large, and ribbed system is to be...
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Latest Reviews

Architecture

BIM can Assist Construction Robots in Object Recognition

Ubani Obinna - 0
The construction industry remains one of the least automated industries which depend on manual human labour for maximum productivity. The role...
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Deep Learning can be used to Detect Cracks in Fire Damaged Structures

Artificial Intelligence Ubani Obinna - 0
Researchers from Ewha Womans University, Seoul, South Korea, have proposed a machine learning technique for detecting surface cracks on fire damaged concrete....

Reputable Journals in Geotechnical Engineering

Journals Ubani Obinna - 0
Geotechnical engineering is the application of engineering principles to the acquisition, interpretation, and use of knowledge of materials of the Earth's crust...

Understanding Human-Structure Interaction

Dynamic Analysis Ubani Obinna - 0
Recent researches have shown that human beings interact with structural systems undergoing vibration. Initially it was thought that human body is...

Waste Tyres can Improve Seismic Performance of Integral Abutment Bridges

Bridges Ubani Obinna - 0
Resuse of about 1.5 billion waste tyres that are produced annually worldwide inspired this research on the behaviour of rubberised backfills for...

GENERAL

Structville Design Challenge Results (1st Edition)

Promotions Ubani Obinna Uzodimma - 2
On 14th of May, 2018, Structville Integrated Services announced the commencement of Structville Design Challenge for civil engineering students in Nigeria. (If you missed...
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How To Apply Wind Load on High Rise Buildings

Eurocode 2 Ubani Obinna Uzodimma - 13
The effect of wind on a building gets more significant as the height of the building increases. In this post, wind load analysis has...
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Advise on the Stability of this Structure

Daily Questions Ubani Obinna Uzodimma - 1
As a structural engineer, advise the client/architect on the stability of the structure, distinguishing between transient and permanent situation.Height - 11.28 mLength - 20.00...
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Minimum Area of Steel for Imposed Deformation Cracking

Concrete Peace Ikpotokin - 0
Minimum reinforcement is provided to ensure that yielding does not occur, and by so doing, cracking is adequately controlled in a...
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Deep Learning can be used to Detect Cracks in Fire Damaged Structures

Artificial Intelligence Ubani Obinna - 0
Researchers from Ewha Womans University, Seoul, South Korea, have proposed a machine learning technique for detecting surface cracks on fire damaged concrete....
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Bonding of Old and New Concrete

Concrete Ubani Obinna Uzodimma - 8
In construction, there always comes a time when there is need to bond hardened concrete (substrate) with fresh concrete topping/overlay. The aim of this...
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CONCRETE STRUCTURES

Structural Design of Corbels

Ubani Obinna - 0
Beams
A corbel is a very short structural cantilever member projecting from a wall or a column for the purpose of carrying...
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3D Soil-Structure Interaction Analysis of Cantilever Retaining Walls

Ubani Obinna - 0
Concrete
Retaining walls are structures used to retain earth fill, and have found wide applications in buildings and highway construction. Traditionally, cantilever retaining...
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GEOTECHNICS

Foundations

Determination of Bearing Capacity of Shallow Foundations

Ubani Obinna Uzodimma - 0
Soil investigation is one of the most important activities carried out before the commencement of any construction project. In the soil test report, the...
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Structural Design of Flat Raft Foundation (Rigid Approach)

Eurocode 2 Ubani Obinna Uzodimma - 2
IntroductionThe conventional rigid combined footing approach is a method of analysing raft foundation using simple statics without any consideration of the elastic...

Calculation of Settlement of Spread Foundation (EC7 Part 2)

Eurocode 7 Ubani Obinna Uzodimma - 0
In this post, we are going to talk about an approach described in Annex E of EN 1997-2:2006 (Eurocode 7 Part 2) for determining...

Design of Cantilever Retaining Wall Supporting Lateritic Earth Fill

Geotechnical Engineering Ubani Obinna Uzodimma - 5
Cohesive soil profiles due to their nature are partially self supporting up to an extent called the critical depth (the critical depth is given...

STEEL DESIGN

Eurocode 3

Imperfection Analysis of Structures With Solved Examples

Ubani Obinna Uzodimma - 1
1.0 Introduction Imperfection in structures can be described as deviations and inconsistencies in structures and structural members, which can affect the behaviour of the structure...
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Solved Example on Design of Steel Beams According to BS 5950 – 1: 2000

Beams Ubani Obinna Uzodimma - 2
Introduction Universal beam sections are normally employed in buildings to carry load. Loads on beams may include the load from slab, walls, building services, and...

Non-linear Analysis of Cable Stayed Structures on Staad Pro

Cable Structures Ubani Obinna - 0
Non-linear analysis can be used when all of the members, elements and support springs are linear except for cables and/or preloaded...

Effects of Wind on Billboard Structures

Column Ubani Obinna - 0
Billboards are large outdoor advertising structures that are found along highways and city centres. Due to their large size and flexibility...

Construction

Construction

How to Estimate the Cost of Tiling a 3 Bedrooms Flat

Ubani Obinna Uzodimma - 4
The floor plan a of three bedroom's flat is as shown below. It is desirous to tile all the floor of the bedrooms, kitchen,...
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Cement

Cement Standards and Applications in Nigeria

Ubani Obinna - 0
Cement is one of the most popular construction materials in Nigeria, and has been extensively utilised in civil engineering works such as building construction,...
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Business

Top Civil Engineering Consultancy Firms in Nigeria

Ubani Obinna - 5
The construction industry in Nigeria remains a very promising area for the present and for the future. Infrastructure and housing deficit...
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Construction

High Temperature Behaviour of Concrete Produced with Desert Sand

Ubani Obinna - 0
There has always been some issues with the use of desert sand as a construction material due to the fact that...
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LATEST ARTICLES

Beams

Design of Steel Beams for Combined Bending and Shear

Ubani Obinna - 0
It is very common to see bending moment and shear force act simultaneously in structural members. However, when the shear force...
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Beams

Effect of Impact Load on Lap Length of Reinforcements in RC Structures

Ubani Obinna - 0
Lap length and anchorage length of reinforcements is very important for continuity, strength, and ease of construction in reinforced concrete structures....
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Beams

Static and Kinematic Determinacy of Structures

Ubani Obinna - 0
A structure is a system of connected parts designed to resist load. Kinematical analysis is very important in the evaluation of...
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Foundations

Recommended Depth of Exploration for Site Investigation

Ivy Ugorji - 0
Soil is a complex and highly variable product of nature, and the extent of this variation is known in advance. As...
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Informative Posts

Structural Design and Detailing Standards in Nigeria

Ubani Obinna - 0
The body mandated by law to regulate all engineering activities in Nigeria is the Council for the Regulation of Engineering in...
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Column

Design of Circular Hollow Section (CHS) Steel columns

Ivy Ugorji - 0
Circular Hollow Sections (CHS) are round tubular steel sections that are used for a variety of purposes in civil engineering. They...
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Column

Effects of Wind on Billboard Structures

Ubani Obinna - 0
Billboards are large outdoor advertising structures that are found along highways and city centres. Due to their large size and flexibility...
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Column

Design of Moment-Resisting Column Base Plates

Ubani Obinna - 1
In the design of portal frames and other steel structures, moment-resisting bases can be provided if large lateral forces and bending...
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Eurocode 3

Structural Design of Signposts and Billboards

Ubani Obinna - 0
As the name implies, signposts are post bearing structures that offer information or guidance to people. They are a prominent feature...
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Beams

Structural Design of Corbels

Ubani Obinna - 0
A corbel is a very short structural cantilever member projecting from a wall or a column for the purpose of carrying...
Read more
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Most Popular

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

Eurocode 3 Ubani Obinna Uzodimma - 27
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...
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Structural Design of Swimming Pools and Underground Water Tanks

Concrete Ubani Obinna Uzodimma - 12
I spent a large part of the last few months developing the contents of this booklet on 'Structural Design of Underground Water Tanks and...
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Structural Analysis and Design of Residential Buildings Using Staad.Pro, Orion, and Manual Calculations

Column Ubani Obinna Uzodimma - 29
This should be a long post, but I am going to try and keep it as brief as possible. This post...
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Structural Aspects of Pile Foundation Design: A Practical Example

Foundations Ubani Obinna Uzodimma - 6
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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EDITOR PICKS

Effects of Wind on Billboard Structures

Column Ubani Obinna - 0
Billboards are large outdoor advertising structures that are found along highways and city centres. Due to their large size and flexibility...
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P-Delta Analysis

Column Ubani Obinna - 0
P-delta is a geometric non-linear effect that occurs in structures that are subjected to compressive loads and lateral displacement. Under the...
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Plates on Elastic Foundation

Foundations Ubani Obinna - 0
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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POPULAR POSTS

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

Column Ubani Obinna Uzodimma - 29
This should be a long post, but I am going to try and keep it as brief as possible. This post...
Read more

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

Eurocode 3 Ubani Obinna Uzodimma - 27
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...
Read more

Can you identify the cause of failure of this building?

Construction Ubani Obinna - 24
Structural failure is real, and it is the duty of structural engineers to identify all possible modes of failure in a structure,...
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