Lafarge is one of the key producers of construction aggregate materials in the country, amongst other players. The plant has a capacity to produce up to 200,000 tons of aggregate materials per annum. Operating out of the Sternblick quarry, Lafarge Cement Zimbabwe is strategically located to service all sectors of the local construction industry. Extracted from quarries, crushed and then calibrated, aggregates appear in a range of products, including gravel, crushed stone aggregates and washed sand.


Lafarge Cement Zimbabwe sells the washed sand, 6mm stones, 20mm stones (3/4 inch), and crusher run and quarry dust.

The 3 Functions of Aggregates

Aggregates are fragments of rock measuring from 0.08 to 80 millimeters in diameter. Examples of their uses include:

  • road and road surfaces,
  • railway ballast,
  • fill material,
  • sand traps in golf courses, beaches, playing field surfaces, horse racing tracks, etc.

They can also be mixed with a binder - either cement to make concrete or tar to make asphalt - and used in the manufacture of houses, structures and bridges.

 

Aggregates on offer

Lafarge extracts these resources from the heart of the earth to make materials that bring the heart's desires to life, and are used to build better cities. Lafarge capitalizes on its expertise and market knowledge in developing its aggregates strategies.

The aggregates produced by Lafarge Cement Zimbabwe are tested and comply with Zimbabwe Standard Specification for Aggregates for Natural resources: SAZ 233:1997

 

Lafarge  Cement Zimbabwe sells the following aggregates:

 

Crusher Run

Well graded crushed rock in the size range 0-125mm

Use

  • Generally used as bulk fill to stabilize structures and pavements. May also be used for footpaths or as a temporary running surface. 

 

 

6mm Stones

Graded sand and gravel

Use

  • Ideal for use in concrete

 

20mm Stones (3/4 inch)

Graded coarse aggregates including crushed limestone, crushed granite, crushed gritstone, crushed & uncrushed gravel and secondary aggregates.

Use

  • Ideal for general construction use, civil engineering (pipe bedding and surround, filter media) and for decorative uses.

 

 

Washed Sand

The preparation of sand consists of five basic processes: natural decomposition, extraction, sorting, washing, and in some cases crushing.

Use

  • Sand is used to provide bulk, strength, and other properties to construction materials like asphalt and concrete.

 

 

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What are Aggregates?

Aggregates are small rock fragments (0.08 to 80 mm) of mineral origin. Aggregates come in different types: maritime, fluvial and terrestrial. They may be sand, gravel or crushed gravel. Aggregates, mixed with water and cement, are essential for the production of concrete    

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LafargeHolcim. Cement, aggregates, Concrete.