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Tuesday, February 18, 2020

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STRUCTURAL DESIGN

Eurocode 2

Manual Design of Beam and Raft Foundation to Eurocode 2 (free PDF download)

Ubani Obinna Uzodimma - 4
In our last post, we considered the analysis of beam and raft foundation of a G+1 building using Staad Pro software. In this particular...
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Eurocode 2

Structural Design of Flat Slabs to Eurocode 2

Ubani Obinna Uzodimma - 2
Flat slabs can offer economical solutions to wider floor spans in a reinforced concrete building. Flat slabs are slabs that are supported directly by...
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Example on Structural Design of Waffle Slab

Eurocode 2 Ubani Obinna Uzodimma - 0
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...

Use of Polystyrene in Ribbed Slabs: Structural Design Example

Concrete Ubani Obinna Uzodimma - 3
For long span slabs in a building subjected to light load, ribbed slabs are more economical than solid slabs. In ribbed slab construction, reduction...

How to Calculate Crackwidth Due to Bending According to EC2 (Download Excel Spreadsheet)

Eurocode 2 Ubani Obinna Uzodimma - 1
Cracking is normal in reinforced concrete structures subjected to bending, shear, twisting, axial tension, and restraint from movement. This is mainly due to the...

How to Design RC Beams for Heavy Shear Load

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

GENERAL CIVIL ENGINEERING

Daily Questions

8 Top Civil Engineering Questions (Part 2)

Ubani Obinna Uzodimma - 2
(1) For the structure shown in the figure below, which of the following is the most likely bending moment diagram considering linear first order...
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Eurocode 3

Buckling Amplification Factor for Portal Frames Sensitive to 2nd Order Effects

Ubani Obinna Uzodimma - 1
In order to evaluate the sensitivity of a portal frame to 2nd order effects, the buckling amplification factor αcr has to be calculated. This calculation...
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Statically Determinate Structures

Deflection of Elastic Systems Using Castigliano’s Theorem

Ubani Obinna Uzodimma - 0
Castigliano's method for calculating displacements is an application of his second theorem, which states: If the strain energy of a linearly elastic structure can be...
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RESEARCH REVIEW

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STRUCTURAL ANALYSIS

Structural Analysis

Structural Analysis of Portal Frames Subjected to Gravity Load

Ubani Obinna Uzodimma - 0
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
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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

Loading and Design of Box Culverts to Eurocodes

Ubani Obinna Uzodimma - 9
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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BS 5950

Preliminary Plastic Analysis of Portal Frames

Ubani Obinna Uzodimma - 2
Steel portal frames provide economical solution for construction of industrial structures, warehouses, churches or other buildings with large enclosures. The loading scheme on portal...
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Latest Reviews

Concrete

Bonding of Old and New Concrete

Ubani Obinna Uzodimma - 7
In construction, there always comes a time when there is need to bond old hardened concrete (substrate) with fresh concrete topping/overlay. This post aims...
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Problems of Civil Engineering Consultancy in Nigeria

Guides Ubani Obinna Uzodimma - 2
The wealth creation cycle in construction industry revolves around the political climate, economy, government policies, availability of resources, technology, and skilled manpower. Thousands of...

Use of Rice Husk Ash in Concrete: Literature Review

Concrete Ubani Obinna Uzodimma - 1
1.0 Introduction A pozzolan is a siliceous or aluminosiliceous material that, in finely divided form and in the presence of moisture, chemically reacts with the...

GENERAL

Comparative Design of Triangular Pile Cap with free PDF download

Foundations Ubani Obinna Uzodimma - 0
In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...
Read more

What Engineers and Architects Should Know About Site Instruction

Construction Ubani Obinna Uzodimma - 0
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...
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Structural Aspects of Pile Foundation Design: A Practical Example

Foundations Ubani Obinna Uzodimma - 2
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

Calculation of Collapse Settlement of Collapsible Soils

Geotechnical Engineering Ubani Obinna Uzodimma - 0
Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...
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Structural Analysis of Portal Frames Subjected to Gravity Load

Structural Analysis Ubani Obinna Uzodimma - 0
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
Read more

CONCRETE STRUCTURES

Analysis and Design of Cantilever Retaining Walls on Staad Pro

Ubani Obinna Uzodimma - 3
Concrete
In this post, we are going to show how cantilever retaining walls can be analysed and designed on Staad Pro software, and also compare...
Read more

FOUNDATIONS

Foundations

Structural Aspects of Pile Foundation Design: A Practical Example

Ubani Obinna Uzodimma - 2
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

Calculation of Collapse Settlement of Collapsible Soils

Geotechnical Engineering Ubani Obinna Uzodimma - 0
Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...

On Consolidation Settlement of Pile Groups

Eurocode 7 Ubani Obinna Uzodimma - 1
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

Beams Ubani Obinna Uzodimma - 0
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...

STEEL DESIGN

Structural Analysis

Structural Analysis of Portal Frames Subjected to Gravity Load

Ubani Obinna Uzodimma - 0
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
Read more

Preliminary Plastic Analysis of Portal Frames

BS 5950 Ubani Obinna Uzodimma - 2
Steel portal frames provide economical solution for construction of industrial structures, warehouses, churches or other buildings with large enclosures. The loading scheme on portal...

Simplified Design of Welded Connection to Eurocode 3

Connection Design 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....

Rugged Steel Staircase Construction – What are your thoughts on this?

Informative Posts Ubani Obinna Uzodimma - 2
I stumbled across this steel staircase construction (most probably for an industrial building), and I was intrigued. The massive size of the sections are...

Construction

Construction

What Engineers and Architects Should Know About Site Instruction

Ubani Obinna Uzodimma - 0
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...
Read more
Geotechnical Engineering

Calculation of Collapse Settlement of Collapsible Soils

Ubani Obinna Uzodimma - 0
Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...
Read more
Construction

Review on the Quantity of Cement Required to Lay 9 inches (230 mm) Blocks

Ubani Obinna Uzodimma - 2
In our previous post, we were able to establish that we need 0.03 m3 of mortar to lay one square metre of 9 inches hollow...
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Construction

Propriety of Bending Schedules for Construction Purposes

Ubani Obinna Uzodimma - 15
Structural engineers usually issue bar bending schedule to clients/contractors after completing design and detailing of reinforced concrete structures. Bar bending schedules usually show the...
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LATEST ARTICLES

Foundations

Comparative Design of Triangular Pile Cap with free PDF download

Ubani Obinna Uzodimma - 0
In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...
Read more
Construction

What Engineers and Architects Should Know About Site Instruction

Ubani Obinna Uzodimma - 0
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...
Read more
Foundations

Structural Aspects of Pile Foundation Design: A Practical Example

Ubani Obinna Uzodimma - 2
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
Geotechnical Engineering

Calculation of Collapse Settlement of Collapsible Soils

Ubani Obinna Uzodimma - 0
Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...
Read more
Structural Analysis

Structural Analysis of Portal Frames Subjected to Gravity Load

Ubani Obinna Uzodimma - 0
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
Read more
Eurocode 7

On Consolidation Settlement of Pile Groups

Ubani Obinna Uzodimma - 1
When a group of piles are founded on saturated clays, the pile group undergoes time dependent consolidation settlement. This can be calculated using the...
Read more
Beams

Analysis of Beams on Elastic Foundation

Ubani Obinna Uzodimma - 0
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...
Read more
Concrete

Analysis and Design of Cantilever Retaining Walls on Staad Pro

Ubani Obinna Uzodimma - 3
In this post, we are going to show how cantilever retaining walls can be analysed and designed on Staad Pro software, and also compare...
Read more
Eurocode 2

Manual Design of Beam and Raft Foundation to Eurocode 2 (free PDF download)

Ubani Obinna Uzodimma - 4
In our last post, we considered the analysis of beam and raft foundation of a G+1 building using Staad Pro software. In this particular...
Read more
Concrete

An Investigation on the Analysis of Beam and Raft Slab Using Staad Pro

Ubani Obinna Uzodimma - 0
Modern codes of practice are increasingly recognising the computational power of structural analysis  softwares. Staad Pro is a renowned structural analysis and design software...
Read more
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Most Popular

Structural Analysis of Portal Frames Subjected to Gravity Load

Structural Analysis Ubani Obinna Uzodimma - 0
Gravity actions are normally used for verification of portal frames for lateral, buckling, and torsional stability. Elastic analysis and design of portal...
Read more

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

Eurocode 3 Ubani Obinna Uzodimma - 26
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 Aspects of Pile Foundation Design: A Practical Example

Foundations Ubani Obinna Uzodimma - 2
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

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

Column Ubani Obinna Uzodimma - 24
This should be a long post, but I am going to try and keep it as brief as possible. This post is more like...
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Recent Comments

Adnan Mahmood Dar on Structural Aspects of Pile Foundation Design: A Practical Example
ranks on Manual Design of Beam and Raft Foundation to Eurocode 2 (free PDF download)
Jeffrey S. Leach on Structural Aspects of Pile Foundation Design: A Practical Example
Ranks Ubani on Aspects of Modelling of Shear Walls
Raheem Yusuf Olatunde on How to Calculate the Quantity of Mortar for Laying Blocks

EDITOR PICKS

Comparative Design of Triangular Pile Cap with free PDF download

Foundations Ubani Obinna Uzodimma - 0
In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...
Read more

Analysis and Design of Cantilever Retaining Walls on Staad Pro

Concrete Ubani Obinna Uzodimma - 3
In this post, we are going to show how cantilever retaining walls can be analysed and designed on Staad Pro software, and also compare...
Read more

Manual Design of Beam and Raft Foundation to Eurocode 2 (free PDF download)

Eurocode 2 Ubani Obinna Uzodimma - 4
In our last post, we considered the analysis of beam and raft foundation of a G+1 building using Staad Pro software. In this particular...
Read more

POPULAR POSTS

Structural Design of Swimming Pools and Underground Water Tanks

Concrete Ubani Obinna Uzodimma - 27
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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PRACTICAL ANALYSIS AND DESIGN OF STEEL ROOF TRUSSES TO EUROCODE 3: A SAMPLE DESIGN

Eurocode 3 Ubani Obinna Uzodimma - 26
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 - 24
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

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