HOLLOW CONCRETE BLOCK MASONRY




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Concrete blocks having core void area larger than 25% of the gross area is termed as hollow concrete blocks.

These blocks are manufactured in different shapes and sizes as shown in the following figure.


Different forms of hollow concrete blocks
Some of the standard sizes of hollow concrete blocks are as follow.

Standard size hollow concrete block – 39 cm * 19 cm * 30 cm
Hollow building tiles – 39 cm * 19 cm * 20 cm
Hollow concrete blocks for partitions – 39 cm * 19 cm * 10 cm
Face thickness of these blocks are normally kept 5 cm or more.

ADVANTAGES OF HOLLOW CONCRETE BLOCK MASONRY

Rapid Execution of Work
Hollow concrete block are of uniform and regular size and it has less weight. This facilitates rapid execution of work.

Increase in Floor Area
It is possible to construct thin walls using hollow blocks. Therefore it helps to save space and increase floor area.

Reduces Construction Cost
Hollow block helps in saving construction materials and therefore use of hollow block reduces construction cost.

Use of larger size concrete block reduces number of joints in work and hence helps in saving mortar.

Better Insulation Properties
Hollow concrete block have good insulating properties against sound, heat and dampness.

More Durable
Hollow concrete block masonry can safely withstand the atmospheric action and it requires no protective covering.

Employment of Unskilled Labour
Unskilled labour can also be employed in the construction of hollow concrete block masonry.

Good Bonding of Mortar & Plaster
Presence of rough surface on concrete blocks provides good bonding of mortar and plaster.‎

Comments

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  2. Elisha17 March 2021 at 01:49

    Totally agree that hollow block helps in saving construction materials and therefore use of hollow block reduces construction cost. This is what our building materials supplier told us

    ReplyDelete
  3. thea13 January 2022 at 03:28

    nice post! I'm looking forward for another post about building materials supplier thanks for sharing

    ReplyDelete
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