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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 old hardened concrete (substrate) with fresh concrete topping/overlay. This post aims...

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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Design of Profiled Metal Deck Composite Slabs

Composite slab with profiled metal decking provides economical solutions for floors of steel framed building systems. This is because they are...

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...

Difference Between Pile Load Test and Pile Integrity Test

Pile foundations are slender structures used to transmit superstructure load to firmer sub-soil stratum beneath the natural ground surface. They can...

Design of Pile Cap Using Staad Foundation Advanced

Pile caps are rigid plate structures that are used to transfer superstructure load from columns to a group of piles. They...
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