Civil Engineering ⇒ Topic : Masonry
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| Mallikarjunareddy-cheemala
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JOINTS STONE MANSORNY 1.BUT JOINT 2. LAP JOINT 3.THOUGHT JOINT 4.PLUGGED JOINT 5.CLOMPED JOINT 6.WATER JOINT | |
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| Atharv
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| Masonry : The construction work made by stone or brick
is termed as masonry structure. It is divided into
two classes-
(i) Stone masonry (ii) Brick masonry (i) Stone masonry : When rock is quarried out and given rough shape at the quarries it is called stone masonry. It is divided into :- 1. Dry masonry 2. Ashlar masonry 3. Rubble masonry. (ii) Brick masonry : The construction done
with bricks bonded together with the help of a
mortar is termed as brick masonry. The bricks are
thoroughly soaked in water for atleast one hour
before use.Backing : It is the inside of a wall. Bat : A portion of a brick cut across the width is called bat. Bed : It is the flat bottom side of the brick. Bond : The method of arranging bricks so that the individual units are tied together is called bond. Closer : A portion of a brick cut longitudinally with one long face uncut. Course : It is the layer of bricks laid on the same bed. Cow nose : The brick with two rounded edges used in quoin etc. Facing : Exposed surface of a wall. Hearting : Part of the wall between facing and backing. Queen closer : It is placed next to the first brick in a header. This is half brick cut longitudinally. King closer : It is used for splaying brick work. Bevelled closer : It has one stretcher face closed. Frogs : These are indentations on the bricks so as to form a key for holding the mortar. Header : This denotes the end of a brick as seen in the wall face. Quoin : A corner or the external angle of a wall. Stretcher : The side of a brick as seen in elevation in a wall where the brick is laid flat. Bed surface : The surface of a stone perpendicular to the line of pressure. Corbel : A piece of stone projecting from a wall to support a structural member. String course : This is a continuous course of masonry projecting from the face of the wall and is provided to throw off water. Templates : These are pieces of stone placed under the end of a beam to distribute the load over greater area. Throating : Grooves cut on the under surfaces of sills, copings, string courses etc. to prevent the water from trickling down the walls. Joints in ashlar masonry : Since ashlar masonry is built Lip of stones carefully dressed, it has narrow joints.  | |
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