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Coefficient of Thermal Expansion of Concrete

Coefficient of thermal expansion is defined as the change in unit length per degree of temperature change. In a concrete element,...

IStructE to hold Webinar on Structural Uses of Stone

The Institution of Structural Engineers (IStructE) will be organising a webinar on the structural uses of stone. Stones are naturally occurring...

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...

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...

Building collapse – Have you exhausted your factors of safety?

The aftermath of any building collapse is usually horrendous, and the experience is an ugly one for everybody concerned. Human lives might...

Cement Standards and Applications in Nigeria

Cement is one of the most popular construction materials in Nigeria, and has been extensively utilised in civil engineering works such as building construction,...

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...

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...

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

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...

Bonding of Old and New Concrete

In construction, there always comes a time when there is need to bond hardened concrete (substrate) with fresh concrete topping/overlay. The aim of this...

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...

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Effects of Diesel Contamination on the Engineering Properties of Natural Soils

Soil contamination is a serious problem and major environmental problem worldwide. Oil contamination of soils can occur as a result of...

Design of Steel Beams for Combined Bending and Shear

It is very common to see bending moment and shear force act simultaneously in structural members. However, when the shear force...

Effect of Impact Load on Lap Length of Reinforcements in RC Structures

Lap length and anchorage length of reinforcements is very important for continuity, strength, and ease of construction in reinforced concrete structures....

Static and Kinematic Determinacy of Structures

A structure is a system of connected parts designed to resist load. Kinematical analysis is very important in the evaluation of...
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