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Design of Circular Hollow Section (CHS) Steel columns

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

Structural Design of Signposts and Billboards

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

Design of Moment-Resisting Column Base Plates

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

Effects of Wind on Billboard Structures

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Billboards are large outdoor advertising structures that are found along highways and city centres. Due to their large size and flexibility...

BRIDGES

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...

Waste Tyres can Improve Seismic Performance of Integral Abutment Bridges

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

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...

Analysis of Bridge Deck Girders under Load Model 1 (EN 1991-2) Using Staad Pro

Bridges are structures designed to span over obstacles, and as such provide access routes for humans, animals, vehicles, fluid, and other objects as may...

Analysis and Design of Arch Bridges

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

Analysis and design of counterfort retaining walls using Staad Pro

Retaining walls are structures used for supporting earth at different levels. There are different types of retaining walls such as cantilever retaining...

GENERAL CIVIL ENGINEERING

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...

Free Vibration of Masts

Tall masts are used in a variety of applications such as telecommunication, radio/television broadcasting, supporting lighting fixtures on the highway,...

Design for Fensheng 101 Skyscraper Unveiled

The design for the Fensheng 101 Skyscraper has been unveiled by GWP Architects. The project has a total construction area of approximately...

BRIDGES

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 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....

Preliminary Plastic Analysis of Portal Frames

Steel portal frames provide economical solution for construction of industrial structures, warehouses, churches or other buildings with large enclosures. The loading scheme on portal...

Structural Analysis of Free Standing Staircase: A Comparative Example

Free standing staircase offers very pleasing solution for vertical circulation in residential and commercial buildings. They are usually constructed in such a way that...

Analysis and Design of Pedestrian Bridge Using Staad Pro

Pedestrian bridges (footbridges) are structures designed to enable human beings cross over obstacles such as busy highways, water bodies, gullies, etc. There are several...

Loading and Design of Box Culverts to Eurocodes

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...

Analysis of Sub-Frames Using Stiffness Method: A solved Example

Several codes of practice in the world allow us to idealise structures into 2-dimensional frames for the purpose of simplified analysis. For sub-frames, it...

Design of Reinforced Concrete Slanted / Raker Beams

Inclined beams (often called raker beams) are often found in structures like pedestrian bridges, ramps, staircases, stadiums, etc. Due to their geometry, these beams...

Precise Moment Distribution Analysis of Non-sway Frames

Precise moment distribution is a variation of moment distribution method which aims to shorten the time spent carrying out the normal moment distribution method....

Latest Reviews

BIM can Assist Construction Robots in Object Recognition

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

Reputable Journals in Geotechnical Engineering

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

3D Building Services Systems Integration in Design of Buildings

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

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

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

Effects of Trees on Wind Comfort of Pedestrians

Pedestrian wind comfort can be improved when horizontally incoming airflow passes through trees in the urban areas. This is according to...

GENERAL

The Role of Compression Steel in Deflection of Reinforced Concrete Structures

Deflection is one of the most important serviceability limit state criteria in the design of reinforced concrete structures. Excessive deflection in...

How will you describe this system of forces?

What is the best description that you will give to this system of forces? (a) Coplanar parallel system of concurrent forces (b) Non-coplanar...

How to Calculate the Anchorage and Lap Length of Steel Reinforcements According to Eurocode 2

Reinforcing bars should be well anchored so that the bond forces are safely transmitted to the concrete to avoid longitudinal cracking or spalling. Transverse...

Design of Pile Foundation Using Prokon Software

Few months ago, I made a publication on the design of pile foundation founded on sandy soils by using Lekki Pennisula Lagos, as case...

Full Process on How to Carry Out Concrete Mix Design

Nowadays, engineers should have a deeper understanding, than just specifying say 1:2:4 concrete mix ratio for their construction works. Under normal and well controlled...

Preparation of Bar Bending Schedule For Floor Slabs

Introduction Bar bending schedule is an important structural working document that rightly gives the disposition, bending shape, total length, and quantity of all the reinforcements...

CONCRETE STRUCTURES

Concreting or casting days are usually big days for site engineers. It is very typical to see engineers and project managers work...
Deflection is one of the most important serviceability limit state criteria in the design of reinforced concrete structures. Excessive deflection in...

GEOTECHNICS

A few things you should know about manholes

1.0 Introduction A manhole (alternatively called utility hole, cable chamber, maintenance hole, inspection chamber, access chamber or confined space) is the top opening to an...

Plates on Elastic Foundation

Many problems of practical importance can be related to the solution of plates resting on an elastic foundation. Reinforced concrete pavements...

Design of Cantilever Retaining Wall Supporting Lateritic Earth Fill

Cohesive soil profiles due to their nature are partially self supporting up to an extent called the critical depth (the critical depth is given...

Compaction Pressure of Machines on Retaining Walls

In the construction of earth retaining structures, it is very common to excavate the area, construct the earth retaining structure, backfill with...

STEEL DESIGN

Imperfection Analysis of Structures With Solved Examples

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...

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

I stumbled across this steel staircase construction (most probably for an industrial building), and I was intrigued. The massive size of the sections are...

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....

Design of Circular Hollow Section (CHS) Steel columns

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

Construction

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...

Construction of Precast Filigran Slab at a Glance

Introduction to filigran slab system Filigran slab is a universal system of reinforced concrete slab, that is used all over the world. This is due...

Specification of Concrete for Water Retaining Structures

In the year 2018, we made a successful publication on Analysis and Design of Swimming Pools and Underground Water Tanks. In this post, we...

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,...

LATEST ARTICLES

Design of Circular Hollow Section (CHS) Steel columns

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

Effects of Wind on Billboard Structures

Billboards are large outdoor advertising structures that are found along highways and city centres. Due to their large size and flexibility...

Design of Moment-Resisting Column Base Plates

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

Structural Design of Signposts and Billboards

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

Structural Design of Corbels

A corbel is a very short structural cantilever member projecting from a wall or a column for the purpose of carrying...

P-Delta Analysis

P-delta is a geometric non-linear effect that occurs in structures that are subjected to compressive loads and lateral displacement. Under the...

Plates on Elastic Foundation

Many problems of practical importance can be related to the solution of plates resting on an elastic foundation. Reinforced concrete pavements...

Modulus of Subgrade Reaction of Soils

The modulus of subgrade reaction ks (also called the coefficient of subgrade reaction of a soil) is the ratio between the...

Types of Floor Systems for Steel Framed Buildings

Floors in buildings have a primary function of carrying loads and supporting the activities of the occupants. In addition to carrying...

Second-Order Effects in Steel Structures

Second-order effects involve the analysis of a structure based on the deformed geometry. In other words, second-order analysis recognizes the deflection...

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 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...

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...

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