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STRUCTURAL DESIGN

Structural Design of Ribbed Slabs

Ribbed slab is a type of reinforced concrete slabs in which some of the volume of concrete in the tension zone is...

Formulas for Calculating Different Properties of Concrete from Compressive Strength

The most basic test done on concrete in most laboratories is the compressive strength test. Sometimes other properties of concrete such as...

Difference between Autogenous and Drying Shrinkage of Concrete

Autogenous shrinkage is caused by self-dessication in young concrete as water is consumed during hydration reaction. This occurs majorly within the early...

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

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...

Structural Design of Flat Slabs to Eurocode 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...

Example on Structural Design of Waffle Slab

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...

GENERAL CIVIL ENGINEERING

8 Top Civil Engineering Questions (Part 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...

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

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...

Deflection of Elastic Systems Using Castigliano’s Theorem

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...

RESEARCH REVIEW

Analysis of Vehicle Collision on Bridge Piers

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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STRUCTURAL ANALYSIS

Analysis of Vehicle Collision on Bridge Piers

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

Effects of Temperature Difference on Cylindrical Tanks

In our last post, we were able to evaluate the effect of temperature difference on rectangular tanks. In this article, we are...

Evaluation of effects of temperature difference in storage tanks using Staad Pro

In some factories and industries, tanks are used for the storage of hot liquids which are used in production. In such scenarios,...

Analysis of Box Girder Bridges Using Staad Pro

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

Latest Reviews

Bonding of Old and New Concrete

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...

Problems of Civil Engineering Consultancy in Nigeria

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

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

Cost of building a duplex in Nigeria (foundation to DPC)

The cost of building a duplex in Nigeria varies from location to location, and it is influenced by the size of...

Standards for Highway Materials in Nigeria

Earth materials are extensively utilised for highway construction in Nigeria. It has been recognised that high quality lateritic soils which are abundant...

Inclusion of women in construction industry

Growing up as a Nigerian from one of the least developed communities, I have identified that our continent Africa and Nigeria in...

Analysis of Vehicle Collision on Bridge Piers

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

Natural Frequency Analysis of Multistorey Frames Using Staad Pro

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

CONCRETE STRUCTURES

Concreting or casting days are usually big days for site engineers. It is very typical to see engineers and project managers work...

FOUNDATIONS

Standards for Highway Materials in Nigeria

Earth materials are extensively utilised for highway construction in Nigeria. It has been recognised that high quality lateritic soils which are abundant...

The West African Standard Compaction Test

The West African Standard (WAS) compaction test is a type of compaction procedure that utilises intermediate compaction energy (compactive effort) for densification...

Construction of Underground Water/Septic Tanks by Sinking

Underground water retaining structures have wide applications in residential, commercial, and industrial buildings. According to Lagos State Development Laws (2005), a building...

3D Soil-Structure Interaction Analysis of Cantilever Retaining Walls

Retaining walls are structures used to retain earth fill, and have found wide applications in buildings and highway construction. Traditionally, cantilever retaining...

STEEL DESIGN

Modeling and Analysis of Spherical LPG Tanks

Spherical tanks are used in several applications such as water storage, nuclear cooling, and storage of liquefied gases such as liquefied natural...

Modelling and Analysis of Imperfections in Portal Frames

Equivalent horizontal forces (EHF) are not strictly actions, but are forces that are applied to a frame in combination with other actions...

Structural Design of Encased Steel Columns

Composite sections of concrete and steel have a lot of advantages especially in the structural performance and fire resistance of a building....

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...

Construction

Cost of building a duplex in Nigeria (foundation to DPC)

The cost of building a duplex in Nigeria varies from location to location, and it is influenced by the size of...

Inclusion of women in construction industry

Growing up as a Nigerian from one of the least developed communities, I have identified that our continent Africa and Nigeria in...

Important checklists before casting concrete on site

Concreting or casting days are usually big days for site engineers. It is very typical to see engineers and project managers work...

How to build your rate and quote for concrete

In civil engineering construction works, contractors bidding for a job are always required to specify the rate they will use in executing...

LATEST ARTICLES

Cost of building a duplex in Nigeria (foundation to DPC)

The cost of building a duplex in Nigeria varies from location to location, and it is influenced by the size of...

Standards for Highway Materials in Nigeria

Earth materials are extensively utilised for highway construction in Nigeria. It has been recognised that high quality lateritic soils which are abundant...

Inclusion of women in construction industry

Growing up as a Nigerian from one of the least developed communities, I have identified that our continent Africa and Nigeria in...

Analysis of Vehicle Collision on Bridge Piers

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

Natural Frequency Analysis of Multistorey Frames Using Staad Pro

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

Analysis of Wind Load on Bridge Decks

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

Important checklists before casting concrete on site

Concreting or casting days are usually big days for site engineers. It is very typical to see engineers and project managers work...

Modeling and Analysis of Spherical LPG Tanks

Spherical tanks are used in several applications such as water storage, nuclear cooling, and storage of liquefied gases such as liquefied natural...

How to build your rate and quote for concrete

In civil engineering construction works, contractors bidding for a job are always required to specify the rate they will use in executing...

The West African Standard Compaction Test

The West African Standard (WAS) compaction test is a type of compaction procedure that utilises intermediate compaction energy (compactive effort) for densification...

Most Popular

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 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...

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...

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