Basic Civil & Mechanical Engineering: UNIT II: l. Mortar
Mortar and its Types
Mortar is a paste-like substance. It is prepared by adding required quantity of water to a mixture of binding material, namely, cement or lime and a fine aggregate sand in certain proportion.
UNIT - II
Chapter - 4 (E)
MORTAR
MORTAR AND ITS TYPES
Mortar
is a paste-like substance. It is prepared by adding required quantity of water
to a mixture of binding material, namely, cement or lime and a fine aggregate
sand in certain proportion. Mortars are named according to the binding material
used. They are:
1. Cement Mortar
Mortar
using cement and sand is known as Cement Mortar. It is a paste of cement and
sand. Cement is the binding material. Sand adds mechanical strength to the
mortar. It prevents shrinkage and cracking of the mortar during the process of
setting. Cement mortar is used for masonry work (1 part cement, 3 – 5 parts
sand). For flooring and plastering walls, 1 part cement, 4 or 5 or 6 parts sand
is used. For foundation, 1 part cement, 3 or 4 or 5 parts sand is used. Sand
used for mortar may be natural sand, or sand obtained from crushed stone or
gravel or combination of the above. Water used for mortar should be free from
chemical salts.
2. Lime Mortar
Lime
and sand mixture is known as Lime Mortar. Here, lime is the binding material.
It is easily soluble in water. The lime should be free from salts and other
impurities.
Basic Civil & Mechanical Engineering: UNIT II: l. Mortar : Tag: : - Mortar and its Types
Basic Civil & Mechanical Engineering: UNIT II: l. Mortar
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Basic Civil and Mechanical Engineering
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