What is the function of mortar in brick walls?

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A typical brick wall structure normally contains the following components:
(i) a coping on top of the brick wall to protect it from weather;

(ii) a firm foundation to support the loads on the brick wall; and

(iii) a damp course near the base of the brick wall to avoid the occurrence of rising damp from the ground.


Bricks are bedded on mortar which serves the following purposes:
(i) bond the bricks as a single unit to help resist lateral loads;

(ii) render the brick wall weatherproof and waterproof; and

(iii) provide even beds to enhance uniform distribution of loads.


This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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  • manish das March 7, 2013 at 9:19 am

    nice answer… 🙂 m satisfied

  • Liton biswas April 27, 2017 at 3:02 am

    Which Type of mortar should be used for interior brick wall and exterior brick wall? I know there are 5 types of mortar as specified in ASTM. But which types is economical by not compromising quality of bond?

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