Anthony Pinheiro

12/07/2023

The Hallmark, A Proposed Residential Development of 48 flat + 4 penthouse, along Admiralty Way Lekki Phase 1, Lekki Lagos. We at PINCONSULT ASSOCIATE LIMITED provides a structural consultancy service to see that the building, is built to perfection. # PINCONSULT ASSOCIATES LIMITED, Excellence and innovation built into every design, leading with purpose, developing teams, managing chaos, delivering results.

06/06/2019

TESTING OF SAND QUALITY AT CONSTRUCTION SITE FOR CONCRETE

There are different methods for testing of sand quality at construction site for concrete construction. Quality of sand is as much of importance as other materials for concrete.
Aggregate most of which pass through 4.75 mm IS sieve is known as fine aggregate.

Fine aggregate shall consists of natural sand, crushed stone sand, crushed gravel sand stone dust or arable dust, fly ash and broken brick (burnt clay).

It shall be hard, durable, chemically inert, clean and free from adherent coatings, organic matter etc. and shall not contain any appreciable amount of clay balls or pellets and harmful impurities e.g. iron pyrites, alkalis, salts, coal, mica, shale or similar laminated materials in such form or in such quantities as to cause corrosion of metal or affect adversely the strength, the durability or the appearance of mortar, plaster or concrete.

The sum of the percentages of all deleterious material shall not exceed 5%. Fine aggregate must be checked for organic impurities such as decayed vegetation humps, coal dust.