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STRUCTURAL DESIGN

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...

Use of Polystyrene in Ribbed Slabs: Structural Design Example

For long span slabs in a building subjected to light load, ribbed slabs are more economical than solid slabs. In ribbed slab construction, reduction...

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

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STRUCTURAL ANALYSIS

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...

Analysis and Design of Box Culvert Using Staad Pro

In our last post, we were able to establish how we can load box culverts properly. If you missed the post, kindly follow the...

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...

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...

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

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...

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....

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...

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...

Comparative Design of Triangular Pile Cap with free PDF download

In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...

CONCRETE STRUCTURES

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

FOUNDATIONS

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...

Calculation of Collapse Settlement of Collapsible Soils

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

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

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 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...

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...

Simplified Design of Welded Connection to Eurocode 3

In our previous post, we were able to present an example on the design of fillet welds for truss members using two different approaches....

Construction

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...

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...

What Engineers and Architects Should Know About Site Instruction

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...

Calculation of Collapse Settlement of Collapsible Soils

Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...

LATEST ARTICLES

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...

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....

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...

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...

Comparative Design of Triangular Pile Cap with free PDF download

In our post on Structural Aspects of Pile Foundation Design, we showed how we can determine the number piles required to support...

What Engineers and Architects Should Know About Site Instruction

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...

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...

Calculation of Collapse Settlement of Collapsible Soils

Civil engineers are always faced with one challenge or another on site, and one of the major challenges on site has to do with...

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...

On Consolidation Settlement of Pile Groups

When a group of piles are founded on saturated clays, the pile group undergoes time dependent consolidation settlement. This can be calculated using the...

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 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...

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 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...

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