Skip to content
Newspiper light mode logo Newspiper dark mode logo
First Principle Engineering

…a repository for civil & structural engineering knowledge

  • About Us
  • Home
  • Privacy Policy
  • Contact

Author: Amuletola Rasheed

You can reach Amuletola Rasheed via amuletola@fppengineering.com
Thermal actions on Bridge Decks (EN 1991-1-5)
Bridge Engineering

Thermal actions on Bridge Decks (EN 1991-1-5)

Amuletola Rasheed Bridge EngineeringPost read time 7 min read September 6, 2025

Thermal actions or actions due to temperature are indirect actions due to movement of structures in response to temperature changes within specific time interval. Structures react to temperature...

Amuletola Rasheed
Traffic Loads on Road Bridges (EN 1991-2)
Bridge Engineering

Traffic Loads on Road Bridges (EN 1991-2)

Amuletola Rasheed Bridge EngineeringPost read time 9 min read August 29, 2025September 1, 2025

Traffic loading is a critical factor in the design and assessment of road bridges, directly influencing structural safety, durability, and serviceability. The European standard EN 1991-2 provides a...

Amuletola Rasheed
Shrinkage and its Effects in Concrete Structures
Reinforced Concrete Design

Shrinkage and its Effects in Concrete Structures

Amuletola Rasheed Reinforced Concrete DesignPost read time 4 min read August 10, 2025

Shrinkage is the reduction in the volume of concrete, which may result from factors such as water absorption in the plastic state, evaporation of moisture, and heat dissipation...

Amuletola Rasheed
Design of One-way Post-tensioned slab โ€“ Worked Example
Prestressed Concrete Design

Design of One-way Post-tensioned slab โ€“ Worked Example

Amuletola Rasheed Prestressed Concrete DesignPost read time 13 min read August 3, 2025

This article presents a detailed example of designing a one-way post-tensioned car parking structure. It addresses key considerations such as durability and cover requirements, gravity load calculations, prestress...

Amuletola Rasheed
Durability of Concrete Structures
Prestressed Concrete Design Reinforced Concrete Design

Durability of Concrete Structures

Amuletola Rasheed Prestressed Concrete Design, Reinforced Concrete DesignPost read time 7 min read July 27, 2025August 3, 2025

Durability is the ability of structures to meet the requirement of serviceability, strength and stability without excessive maintenance throughout its working life. The level of maintenance should not...

Amuletola Rasheed
Creep Deformation in Concrete Structures
Prestressed Concrete Design Reinforced Concrete Design

Creep Deformation in Concrete Structures

Amuletola Rasheed Prestressed Concrete Design, Reinforced Concrete DesignPost read time 4 min read July 20, 2025

When a load is applied to a steel member it deforms gradually. The deformation increases proportionately to the increment in the applied load. If the load is not...

Amuletola Rasheed
Design of Post-tensioned (PT) Slabs โ€“ an overview
Prestressed Concrete Design

Design of Post-tensioned (PT) Slabs โ€“ an overview

Amuletola Rasheed Prestressed Concrete DesignPost read time 12 min read July 13, 2025July 14, 2025

Post tension concrete slabs are a type of prestressed concrete structure, wherein high-strength steel cables or wires are used to apply compressive force to concrete slabs before its...

Amuletola Rasheed
Design of Structural Steel Angles
Structural Steel Design

Design of Structural Steel Angles

Amuletola Rasheed Structural Steel DesignPost read time 5 min read July 6, 2025

The design of structural steel angles differs from other sections due to the peculiarity of angle sections โ€“ their cross-section axes (x-x and y-y axes) differ from their...

Amuletola Rasheed
Application of Load Combinations for Buildings (EN 1990)
Structural Analysis

Application of Load Combinations for Buildings (EN 1990)

Amuletola Rasheed Structural AnalysisPost read time 5 min read June 29, 2025

This article presents guidance on the application of combination of actions for buildings according to EN 1990 and UK National Annex to EN 1990. In this article, the...

Amuletola Rasheed
Load Balancing Method for Post โ€“ tensioned Concrete Design
Prestressed Concrete Design

Load Balancing Method for Post โ€“ tensioned Concrete Design

Amuletola Rasheed Prestressed Concrete DesignPost read time 7 min read June 23, 2025June 24, 2025

Load balancing is the concept of counteracting a portion or all of the external loads on a concrete member by placing the prestressed tendon along a determined curvature...

Amuletola Rasheed
Design of Steel Angles under Axial Tension and Compression โ€“ Worked Example
Structural Steel Design

Design of Steel Angles under Axial Tension and Compression โ€“ Worked Example

Amuletola Rasheed Structural Steel DesignPost read time 4 min read June 8, 2025June 9, 2025

This article provides a detailed worked example of designing angle steel sections subjected to pure tension and compression in accordance with Eurocode 3. These steel sections serve as...

Amuletola Rasheed
Design of Trusses
Structural Steel Design

Design of Trusses

Amuletola Rasheed Structural Steel DesignPost read time 9 min read May 31, 2025June 23, 2025

  Trusses are structures that comprises of members that are joined together such that they resist external loads in axial tension and compression. They generally consist of top...

Amuletola Rasheed
Basis of Actions and Load Combinations (EN 1990)
Structural Analysis

Basis of Actions and Load Combinations (EN 1990)

Amuletola Rasheed Structural AnalysisPost read time 9 min read May 19, 2025June 29, 2025

  This article presents a guide to understanding actions and combinations of actions (Load combinations) as modelled in EN 1990 applicable to verifying limit states for relevant design...

Amuletola Rasheed
Second-order Effects in RC Building Frames (Eurocode 2)
Reinforced Concrete Design Structural Analysis

Second-order Effects in RC Building Frames (Eurocode 2)

Amuletola Rasheed Reinforced Concrete Design, Structural AnalysisPost read time 9 min read May 11, 2025

Structural engineers analyze all types of structures to determine their displacements and internal forces under various load conditions. They choose between linear and non-linear analysis based on the...

Amuletola Rasheed
Design of Combined Footing
Foundation Engineering Reinforced Concrete Design

Design of Combined Footing

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 8 min read May 4, 2025May 4, 2025

This article provides an overview of the design of combined footing. At the end of the article, a practical worked example is presented on the design of combined...

Amuletola Rasheed
Design of Pile cap using Bending theory โ€“ Worked Example
Foundation Engineering Reinforced Concrete Design

Design of Pile cap using Bending theory โ€“ Worked Example

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 4 min read April 19, 2025

This article presents a worked example on the design of a pile cap using bending theory. The pile cap shall be proportioned, designed for bending, vertical shear, as...

Amuletola Rasheed
Design of Un-restrained Steel Beam (I-Section) โ€“ Worked Example
Structural Steel Design

Design of Un-restrained Steel Beam (I-Section) โ€“ Worked Example

Amuletola Rasheed Structural Steel DesignPost read time 3 min read April 13, 2025

This article presents a practical worked example on the design of unrestrained steel beam (I-section) to Eurocode 3 The beam to be designed has been analysed using Etabs...

Amuletola Rasheed
Design of Steel Column (H-Section) to Eurocode 3 โ€“ Worked Example
Structural Steel Design

Design of Steel Column (H-Section) to Eurocode 3 โ€“ Worked Example

Amuletola Rasheed Structural Steel DesignPost read time 6 min read April 5, 2025April 13, 2025

This article presents a worked example on the design of steel column (H-section) subjected to combined Biaxial Bending and axial compression to Eurocode 3 The column to be...

Amuletola Rasheed
Analysis of RC Building Frames allowing for Imperfections (Eurocode 2)
Reinforced Concrete Design Structural Analysis

Analysis of RC Building Frames allowing for Imperfections (Eurocode 2)

Amuletola Rasheed Reinforced Concrete Design, Structural AnalysisPost read time 2 min read March 30, 2025April 1, 2025

This article presents guidance on how to allow for imperfections in analysis of RC frames according to EN 1992-1-1 (Eurocode 2). Structural frames in reality are always marred...

Amuletola Rasheed
Second-order Effects in Steel Building Frames (Eurocode 3)
Structural Analysis Structural Steel Design

Second-order Effects in Steel Building Frames (Eurocode 3)

Amuletola Rasheed Structural Analysis, Structural Steel DesignPost read time 5 min read March 22, 2025May 9, 2025

Structural engineers analyze all types of structures to determine their displacements and internal forces under various load conditions. They choose between linear and non-linear analysis based on the...

Amuletola Rasheed
Analysis of Steel Frames allowing for Imperfections (Eurocode 3)
Structural Analysis Structural Steel Design

Analysis of Steel Frames allowing for Imperfections (Eurocode 3)

Amuletola Rasheed Structural Analysis, Structural Steel DesignPost read time 6 min read March 16, 2025May 31, 2025

This article presents guidance on how to allow for imperfections in analysis of steel frame according to EN 1993-1-1 (Eurocode 3). At the end of this article, a...

Amuletola Rasheed
Design of Steel Columns to Eurocode 3 – an overview
Structural Steel Design

Design of Steel Columns to Eurocode 3 – an overview

Amuletola Rasheed Structural Steel DesignPost read time 7 min read March 10, 2025April 5, 2025

This article presents an overview on the design of column to EN 1993-1-1:2005. However, since there are not much details in Eurocode 3 for columns in simple frames,...

Amuletola Rasheed
Design of Axially Loaded Steel Members to Eurocode 3 โ€“ an overview
Structural Steel Design

Design of Axially Loaded Steel Members to Eurocode 3 โ€“ an overview

Amuletola Rasheed Structural Steel DesignPost read time 4 min read March 2, 2025July 6, 2025

Axially loaded steel members are subjected to external loads along the longitudinal axis of the member. These loads either induces pure tension or compression in these members, as...

Amuletola Rasheed
Design of PSC Beam for Shear Strength โ€“ Worked Example
Prestressed Concrete Design

Design of PSC Beam for Shear Strength โ€“ Worked Example

Amuletola Rasheed Prestressed Concrete DesignPost read time 4 min read February 24, 2025April 13, 2025

This article presents a worked example on evaluating the shear strength of a prestressed concrete (PSC) beam using EN 1992-1-1-2004. The beam shown below is an I beam...

Amuletola Rasheed
Lateral Torsional Buckling of Steel Beams
Structural Steel Design

Lateral Torsional Buckling of Steel Beams

Amuletola Rasheed Structural Steel DesignPost read time 7 min read February 16, 2025April 13, 2025

This article presents an overview on the design of structural steel beams for lateral torsional buckling to EN 1993-1-1-2005, and the UK National Annex to EN 1993-1-1-2005. For...

Amuletola Rasheed
Design of Steel Beam to Eurocode 3 โ€“ an overview
Structural Steel Design

Design of Steel Beam to Eurocode 3 โ€“ an overview

Amuletola Rasheed Structural Steel DesignPost read time 7 min read February 9, 2025July 6, 2025

This article presents an overview on the design of Structural Steel sections in bending to EN 1993 -1-1:2005 (Eurocode 3) and the UK National Annex to EN 1993...

Amuletola Rasheed
Classification of Structural Steel Cross-Sections (Eurocode 3)
Structural Steel Design

Classification of Structural Steel Cross-Sections (Eurocode 3)

Amuletola Rasheed Structural Steel DesignPost read time 5 min read February 2, 2025February 3, 2025

This article presents an overview on classification of steel cross-sections according to EN 1993-1-1:2005. At the end of the article there is a worked example on classification of...

Amuletola Rasheed
Pile Cap Design using Strut-and-tie Method โ€“ Worked Example
Foundation Engineering Reinforced Concrete Design

Pile Cap Design using Strut-and-tie Method โ€“ Worked Example

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 3 min read January 26, 2025April 19, 2025

This article presents a worked example on the design of a pile cap to EN 1992-1-1-2004 (Eurocode 2). The pile cap to be designed is to transmit column...

Amuletola Rasheed
Design of Pile Caps – An Overview
Foundation Engineering Reinforced Concrete Design

Design of Pile Caps – An Overview

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 7 min read January 19, 2025April 19, 2025

This article presents an overview on the design of pile caps to EN 1992-1-1-2004 (Eurocode 2). Where there are not much details given in Eurocode 2, the superseded...

Amuletola Rasheed
Design of Planar Shear Walls – Worked Example
Reinforced Concrete Design

Design of Planar Shear Walls – Worked Example

Amuletola Rasheed Reinforced Concrete DesignPost read time 7 min read January 12, 2025June 29, 2025

This article presents a worked example on the design of shear wall to EN 1992-1-1-2004 (Eurocode 2). The shear walls to be designed form the major stabilizing system...

Amuletola Rasheed
Design of shear walls – an overview
Reinforced Concrete Design

Design of shear walls – an overview

Amuletola Rasheed Reinforced Concrete DesignPost read time 10 min read January 6, 2025June 29, 2025

Shear walls are plain or reinforced concrete walls that augment structural stiffness and provide lateral stability to building structures. According to clause 9.6.1 of Eurocode 2, a shear...

Amuletola Rasheed
Wind Load on building โ€“ Worked Example
Structural Analysis

Wind Load on building โ€“ Worked Example

Amuletola Rasheed Structural AnalysisPost read time 4 min read December 29, 2024December 31, 2024

This article presents a worked example on wind load on a building of 10 storeys to EN 1991-1-4-2005 + A1: 2010, and the UK National Annex to the...

Amuletola Rasheed
Wind Load on buildings (Eurocode 1 part 1-4)
Structural Analysis

Wind Load on buildings (Eurocode 1 part 1-4)

Amuletola Rasheed Structural AnalysisPost read time 9 min read December 23, 2024December 31, 2024

This article presents an overview on application of wind load on building structures according to EN 1991-1-4-2005 + A1:2010 and the UK National Annex to EN 1991-1-4-2005 +...

Amuletola Rasheed
Wind Actions on Structures (Eurocode 1 part 1-4)
Structural Analysis

Wind Actions on Structures (Eurocode 1 part 1-4)

Amuletola Rasheed Structural AnalysisPost read time 16 min read December 16, 2024December 31, 2024

This article presents a comprehensive overview on wind action on structures to EN 1991-1-4-2005 + A1:2010, and the UK National Annex to EN 1991-1-4-2005 + A1: 2010. In...

Amuletola Rasheed
Design of Prestressed Concrete Beam for Flexural Capacity – Worked Example
Prestressed Concrete Design

Design of Prestressed Concrete Beam for Flexural Capacity – Worked Example

Amuletola Rasheed Prestressed Concrete DesignPost read time 4 min read December 9, 2024February 24, 2025

This article presents a worked example on evaluating the bending capacity of a prestressed concrete beam. After verifying the stresses within a prestressed beam is within limit, it...

Amuletola Rasheed
Design of Eccentrically Loaded Pad Foundation – Worked Example
Foundation Engineering Reinforced Concrete Design

Design of Eccentrically Loaded Pad Foundation – Worked Example

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 5 min read December 2, 2024

This article presents a worked example on the structural design of pad foundation subjected to axial load and moment to EN 1992 -1-1-2004. The geotechnical aspects of the...

Amuletola Rasheed
Design of Axially loaded Pad Foundation โ€“ Worked Example
Foundation Engineering Reinforced Concrete Design

Design of Axially loaded Pad Foundation โ€“ Worked Example

Amuletola Rasheed Foundation Engineering, Reinforced Concrete DesignPost read time 3 min read November 25, 2024April 16, 2025

This article presents a worked example on the structural design of axially loaded pad foundation to EN 1992 -1-1-2004. The geotechnical aspects of the design shall be approached...

Amuletola Rasheed
Structural Design of Pad Foundation – an overview
Foundation Engineering

Structural Design of Pad Foundation – an overview

Amuletola Rasheed Foundation EngineeringPost read time 5 min read November 20, 2024December 2, 2024

Pad foundations are square or rectangular slab that support load from single columns. They are often used when the bearing strata of the soil is close to the...

Amuletola Rasheed
Comparative Analysis of flat Slab between MCM and EFM – Worked Example
Reinforced Concrete Design Structural Analysis

Comparative Analysis of flat Slab between MCM and EFM – Worked Example

Amuletola Rasheed Reinforced Concrete Design, Structural AnalysisPost read time 4 min read November 18, 2024November 18, 2024

This article presents a comparative analysis between analysis of flat slab using moment coefficients method (MCM) in table 3.12 of BS 8110 and equivalent frame method (EFM). Moment...

Amuletola Rasheed
Design for punching Shear – Worked Example
Reinforced Concrete Design

Design for punching Shear – Worked Example

Amuletola Rasheed Reinforced Concrete DesignPost read time 4 min read November 13, 2024November 17, 2024

This article presents a worked example on the design of punching shear for flat slabs to BS EN 1992-1-1-2004 (Eurocode 2). The flat slab to be designed for...

Amuletola Rasheed
Design of Flat Slab – Worked Example
Reinforced Concrete Design

Design of Flat Slab – Worked Example

Amuletola Rasheed Reinforced Concrete DesignPost read time 8 min read November 11, 2024November 13, 2024

This article presents a worked example on the design of flat slab to EN 1992-1-1-2004. The plan of the flat slab to be designed is shown below. It...

Amuletola Rasheed
Punching Shear Design to Eurocode 2 – an overview
Reinforced Concrete Design

Punching Shear Design to Eurocode 2 – an overview

Amuletola Rasheed Reinforced Concrete DesignPost read time 8 min read November 1, 2024April 8, 2025

Punching shear occurs as a result of concentrated load or reaction acting on localized area of a slab. This mostly occurs in slabs which are directly supporting columns...

Amuletola Rasheed
Flat Slab Analysis using Equivalent Frame Method – Worked Example
Reinforced Concrete Design Structural Analysis

Flat Slab Analysis using Equivalent Frame Method – Worked Example

Amuletola Rasheed Reinforced Concrete Design, Structural AnalysisPost read time 7 min read October 28, 2024November 17, 2024

This article presents a thorough worked example on the analysis of flat slab using equivalent frame method. At the end of the article, the analysis of the equivalent...

Amuletola Rasheed
Design of Flat Slab โ€“ an overview
Reinforced Concrete Design

Design of Flat Slab โ€“ an overview

Amuletola Rasheed Reinforced Concrete DesignPost read time 8 min read October 22, 2024March 26, 2025

This article presents guides to designing flat slabs to EN 1992-1-1-2004 as well as the superseded UK standard BS 8110-1-1997. Flat slabs are slabs that are directly supported...

Amuletola Rasheed
Design of RC Flange beam to BS 8110 โ€“ Worked Example
Reinforced Concrete Design

Design of RC Flange beam to BS 8110 โ€“ Worked Example

Amuletola Rasheed Reinforced Concrete DesignPost read time 4 min read October 15, 2024October 17, 2024

This article presents a work example on the design of flanged beam to BS 8110-1-1997. The Beam 2 (shown in the plan below) that shall be designed here...

Amuletola Rasheed
Analysis of Continuous Beam for Span Moments โ€“ Worked Example
Structural Analysis

Analysis of Continuous Beam for Span Moments โ€“ Worked Example

Amuletola Rasheed Structural AnalysisPost read time 6 min read October 9, 2024November 10, 2024

This article presents a stepwise approach to determining the span moments of a three-span continuous beam, thereby generating its shear force and bending moment diagrams. And at the...

Amuletola Rasheed
Design of continuous one-way spanning RC slab โ€“ Worked Example
Reinforced Concrete Design

Design of continuous one-way spanning RC slab โ€“ Worked Example

Amuletola Rasheed Reinforced Concrete DesignPost read time 3 min read October 1, 2024January 16, 2025

This article presents a worked example on the analysis and design of continuous one-way reinforced concrete slab. The bending moments and shear forces are obtained using tabular coefficients...

Amuletola Rasheed
Design of Reinforced Concrete Slabs
Reinforced Concrete Design

Design of Reinforced Concrete Slabs

Amuletola Rasheed Reinforced Concrete DesignPost read time 10 min read September 24, 2024January 25, 2025

Slabs are horizontal elements that form the floor, foundation, and roof elements of different structures. They are distinctly categorized from other members base on their typical features of...

Amuletola Rasheed
Constructing Magnel Diagram for prestressed Concrete beam โ€“ Worked Example
Prestressed Concrete Design

Constructing Magnel Diagram for prestressed Concrete beam โ€“ Worked Example

Amuletola Rasheed Prestressed Concrete DesignPost read time 5 min read September 15, 2024February 24, 2025

This article presents a worked example on the construction of magnel diagram for the design of a prestressed beam section. The beam that shall be designed is the...

Amuletola Rasheed
Magnel Diagram for Prestressed Concrete Design.
Prestressed Concrete Design

Magnel Diagram for Prestressed Concrete Design.

Amuletola Rasheed Prestressed Concrete DesignPost read time 5 min read September 1, 2024March 17, 2025

This article explains the importance and application of magnel diagram in prestressed concrete design. Why Magnel Diagram? In a previous article on verification of stress in beams published...

Amuletola Rasheed

Posts pagination

1 2 »
Connect With Me on LinkedIn ๐Ÿ‘‡
Amuletola Rasheed

Recent Posts

  • Thermal actions on Bridge Decks (EN 1991-1-5)
  • Traffic Loads on Road Bridges (EN 1991-2)
  • Shrinkage and its Effects in Concrete Structures
  • Design of One-way Post-tensioned slab โ€“ Worked Example
  • Durability of Concrete Structures

Recent Comments

  1. Eric Jones on Design of a Singly Reinforced Beam to Eurocode 2 โ€“ Worked Example
  2. KUUZUME MARTIN on Design of a Singly Reinforced Beam to BS 8110 โ€“ Worked Example
  3. XRumerTest on Design of Column to Eurocode 2 using Design Chart – worked example
  4. Manny Paquiao on Design of a Singly Reinforced Beam to Eurocode 2 โ€“ Worked Example
  5. Amuletola Rasheed on Design of Column to BS 8110 using Design Chart โ€“ Worked Example

Archives

Categories

  • Bridge Engineering
  • Foundation Engineering
  • Prestressed Concrete Design
  • Reinforced Concrete Design
  • Structural Analysis
  • Structural Steel Design
Designed by Nasio Themes || Powered by WordPress