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Thursday, July 2, 2020

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Lapping of Reinforcements and Use of Rebar Couplers – Peculiarities and Differences

Ubani Obinna - 0
In reinforced concrete buildings, it is almost impossible to carry out construction without lapping reinforcements at one point or another. This...

Structville Announces Webinar on Design of Roof Trusses (July, 2020)

Ubani Obinna - 0
In our core commitment to provide a flexible platform for learning, improvement, and disseminating civil engineering knowledge, we are delighted to...

Water Bars (Water Stops) – Uses, Types, and Applications

Ubani Obinna - 0
In reinforced concrete water retaining/excluding structures, a potential source of leakage or water ingress is the construction joint, and that is...

Effects of Wind on Different Configurations of Telecommunication Masts

Ubani Obinna - 0
Telecommunication masts or towers are tall structures that are designed for transmission of telecommunication signals or for radio/television broadcasting. Telecom masts...

BRIDGES

Bridges

Analysis and Design of Box Culvert Using Staad Pro

Ubani Obinna Uzodimma - 2
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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Bridges

Static Analysis of Suspension Bridges: A solved Example

Ubani Obinna Uzodimma - 5
Cables are made from high-strength steel wires twisted together, and present a flexible system, which can resist loads only by axial tension. Use of...
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Analysis and design of counterfort retaining walls using Staad Pro

Bridges Ubani Obinna - 0
Retaining walls are structures used for supporting earth at different levels. There are different types of retaining walls such as cantilever retaining...

Analysis and Design of Arch Bridges

Bridges Ubani Obinna - 0
The use of arches as a structural form can be dated back to antiquity. Arch structures are unique structural forms which...

Analysis of Wind Load on Bridge Decks

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

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....

GENERAL CIVIL ENGINEERING

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 3

Basic Information on Fire Protection of Buildings

Ubani Obinna Uzodimma - 5
Fire outbreak is a problem in buildings since it causes loss of human lives, injuries, destruction of properties, and poses serious environmental challenges. Injury and...
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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

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STRUCTURAL ANALYSIS

Statically Indeterminate Structures

Analysis of Statically Indeterminate Truss Using Force Method: Solved Example

Ubani Obinna Uzodimma - 0
Introduction Indeterminate trusses are analysed usually analysed using force method or direct stiffness method. In this post, we are going to analyse step by step,...
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Beams

Sinking of Supports of Propped Cantilever Beams

Ubani Obinna Uzodimma - 4
1.0 Introduction Settlement of foundations occur due to load from buildings. Geotechnical engineers are usually interested in seeing that the settlements are uniform, while at...
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Eurocode 2

Structural Analysis of Free Standing Staircase: A Comparative Example

Ubani Obinna Uzodimma - 6
Free standing staircase offers very pleasing solution for vertical circulation in residential and commercial buildings. They are usually constructed in such a way that...
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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 - 13
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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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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Reinforced Concrete Design

Comparative Analysis of Cylindrical Water Tanks

Ubani Obinna Uzodimma - 2
Water tanks are usually rectangular or cylindrical in shape. Cylindrical tanks are normally used for surface or elevated water tanks. Some...
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Reinforced Concrete Design

Effects of Temperature Difference on Cylindrical Tanks

Ubani Obinna - 0
In our last post, we were able to evaluate the effect of temperature difference on rectangular tanks. In this article, we are...
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Latest Reviews

Artificial Intelligence

Deep Learning can be used to Detect Cracks in Fire Damaged Structures

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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BIM can Assist Construction Robots in Object Recognition

Architecture Ubani Obinna - 0
The construction industry remains one of the least automated industries which depend on manual human labour for maximum productivity. The role...

3D Building Services Systems Integration in Design of Buildings

Architecture Ivy Ugorji - 0
Building service systems (BSS) are important components that makes a building functional and habitable. BSS includes piping network of fresh water...

TMT Reinforcements Can Change Design Specifications in Nigeria

Construction Ubani Obinna - 0
Nigeria’s reinforcement market is usually categorised into ‘local’ and ‘foreign’ reinforcements which are priced differently in the market. Local reinforcements are...

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

How to Analyse Sub-frames For Column Design Moment

Column Ubani Obinna Uzodimma - 3
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...
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Human Factors in Civil Engineering Design and Construction

Construction Ubani Obinna - 0
Human factors or ergonomics is understood to be a body of knowledge that deals with the interaction of human beings with...
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ProtaStructures Conference/Live Event Coming Up in Nigeria

Promotions Ubani Obinna Uzodimma - 4
ProtaSoftware in conjuction with ApeleDesigns invites you to the first ever live event/conference in Nigeria. ProtaStructure is the all-in-one package for multi-material modelling with steel,...
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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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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

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

Construction Ubani Obinna Uzodimma - 7
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...
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CONCRETE STRUCTURES

How to build your rate and quote for concrete

Ubani Obinna - 6
Quantity Estimation
In civil engineering construction works, contractors bidding for a job are always required to specify the rate they will use in executing...
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How to Design RC Beams for Heavy Shear Load

Ubani Obinna Uzodimma - 3
Concrete
Shear failure usually occurs in form diagonal cracks, and must be checked under ultimate limit state during the structural design of buildings. In reinforced...
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GEOTECHNICS

Geotechnical Engineering

The West African Standard Compaction Test

Ubani Obinna - 1
The West African Standard (WAS) compaction test is a type of compaction procedure that utilises intermediate compaction energy (compactive effort) for densification...
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A simpler Approach to the Design of Ground Beams Using Staad Pro

Beams Ubani Obinna Uzodimma - 5
Ground beams are employed in reinforced concrete substructures for a lot of reasons. Ground beams can be differentiated from plinth beams due to a...

Solved Example on Elastic Settlement of Shallow Foundations

Foundations Ubani Obinna Uzodimma - 0
This post presents a solved example on elastic settlement of shallow foundations. Foundation settlement is mainly made up of elastic (or immediate) settlement, Se,...

Structural Design of Flat Raft Foundation (Rigid Approach)

Eurocode 2 Ubani Obinna Uzodimma - 1
IntroductionThe conventional rigid combined footing approach is a method of analysing raft foundation using simple statics without any consideration of the elastic...

STEEL DESIGN

Connection Design

Simplified Design of Welded Connection to Eurocode 3

Ubani Obinna Uzodimma - 1
In our previous post, we were able to present an example on the design of fillet welds for truss members using two different approaches....
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Design of Roof Purlins

Beams Ubani Obinna Uzodimma - 21
  (Image Copyright belongs to Albion Sections Limited, UK) Roof purlin are members used to directly support roof sheeting materials, and could...

Effects of Wind on Different Configurations of Telecommunication Masts

Staad Pro Ubani Obinna - 0
Telecommunication masts or towers are tall structures that are designed for transmission of telecommunication signals or for radio/television broadcasting. Telecom masts...

How to Design Fillet Weld connection for Steel Trusses (EC3)

Eurocode 3 Ubani Obinna Uzodimma - 2
In modern construction, the commonest methods of connecting steel members are by bolting and welding. Eurocode 3 identifies different types of welding such as; ...

Construction

Column

Procedures in Setting out of Reinforced Concrete Columns

Ubani Obinna - 0
Columns are critical structural elements used in transmitting superstructure load to the substructure. As a result, their stability and structural resistance is...
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Construction

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

Ubani Obinna Uzodimma - 7
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...
Read more
Construction

How to Estimate the Quantity of Sand and Cement Required for Moulding Blocks

Ubani Obinna Uzodimma - 15
In Nigeria, 9 inches hollow block (450mm x 225mm x 225mm) is normally employed for the construction of block work of buildings exceeding one...
Read more
Construction

Compaction Pressure of Machines on Retaining Walls

Ubani Obinna - 1
In the construction of earth retaining structures, it is very common to excavate the area, construct the earth retaining structure, backfill with...
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LATEST ARTICLES

Staad Pro

Effects of Wind on Different Configurations of Telecommunication Masts

Ubani Obinna - 0
Telecommunication masts or towers are tall structures that are designed for transmission of telecommunication signals or for radio/television broadcasting. Telecom masts...
Read more
Concrete

Lapping of Reinforcements and Use of Rebar Couplers – Peculiarities and Differences

Ubani Obinna - 0
In reinforced concrete buildings, it is almost impossible to carry out construction without lapping reinforcements at one point or another. This...
Read more
Construction

Water Bars (Water Stops) – Uses, Types, and Applications

Ubani Obinna - 0
In reinforced concrete water retaining/excluding structures, a potential source of leakage or water ingress is the construction joint, and that is...
Read more
Events and Conferences

Structville Announces Webinar on Design of Roof Trusses (July, 2020)

Ubani Obinna - 0
In our core commitment to provide a flexible platform for learning, improvement, and disseminating civil engineering knowledge, we are delighted to...
Read more
Foundations

Massive Diaphragm Wall Reinforcement Installation (Video and Discussion)

Ubani Obinna - 0
A video was recently shared on Linkedin showing a huge and long reinforcement cage for a diaphragm wall being put in...
Read more
Bridges

Differences Between a Bridge and a Culvert

Ivy Ugorji - 0
It is generally said that all culverts are bridges but not all bridges are culverts. Bridges are structures that are designed...
Read more
Bridges

Wheel Load Dispersal on Box Culverts

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

Vanity Walls in Toilets as an Alternative Route for Waste Pipes

Ubani Obinna - 0
For a building to be useful, the structural integrity and building services such as plumbing, electrical fittings, HVAC, etc must be...
Read more
Business

The Two Aspects of Civil Engineering – How Do You Hire the Right Person?

Ubani Obinna - 1
The civil engineering industry is wide and unique. There are different fields in civil engineering such as structures, highway and transportation,...
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...
Read more

Structural Design of Swimming Pools and Underground Water Tanks

Concrete Ubani Obinna Uzodimma - 10
I spent a large part of the last few months developing the contents of this booklet on 'Structural Design of Underground Water Tanks and...
Read more

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

Column Ubani Obinna Uzodimma - 25
This should be a long post, but I am going to try and keep it as brief as possible. This post is more like...
Read more

Structural Aspects of Pile Foundation Design: A Practical Example

Foundations Ubani Obinna Uzodimma - 5
Geotechnical engineers are expected to hand over soil investigation report to structural engineers, who will proceed to provide the longitudinal reinforcements needed for the...
Read more
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EDITOR PICKS

Effects of Wind on Different Configurations of Telecommunication Masts

Staad Pro Ubani Obinna - 0
Telecommunication masts or towers are tall structures that are designed for transmission of telecommunication signals or for radio/television broadcasting. Telecom masts...
Read more

Analysis and Design of Arch Bridges

Bridges Ubani Obinna - 0
The use of arches as a structural form can be dated back to antiquity. Arch structures are unique structural forms which...
Read more

Analysis of Moving Load on Cable-Stayed Bridges Using Staad Pro

Bridges Ubani Obinna - 0
Stays can be used to support orthotropic bridge decks which consists of continuous girders. The stays which are inclined cables passing...
Read more

POPULAR POSTS

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

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

Column Ubani Obinna Uzodimma - 25
This should be a long post, but I am going to try and keep it as brief as possible. This post is more like...
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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POPULAR CATEGORY

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