MASONRY

PRESENTED BY

T.M.SINDHU

WHAT IS MEANT BY MASONRY ?

INTRODUCTIONMASONRY Brick Masonry

Terminology

Types of Bond in brick Masonry

Principles of Brick Masonry Stone Masonry Dressing of Stone Masonry

Terminology of Stone Masonry

Classification of Stone Masonry ` Principle of Stone Masonry

BRICK MASONRY Brick Masonry is defined as the

systematic arrangement of bricks and bonding them together with cement mortar (or) lime mortar.

The strength of brick masonry depends upon

Quality of the brick.Quality of Mortar.Method of bending Used.

TERMINOLOGY: Header Stretcher Course Header Course Stretcher Course Bed Bed Joint Hap Quoin Perpends Arrises Frog Brick Bat Choser Squint Quain

BONDING IN BRICK WORK Bonding in brick wood is the art

of laying mortar and bricks so that strong joints are obtained in the brick masonry.

Proportion of cement and sand in the mortar varies from 1:3 to 1:6 by volume.

BRICKS MASONRY

TYPES OF BONDS IN BRICK MASONRYHeader BondStretcher BondEnglish BondFlemish Bond

1.Double Flemish Bond

2.Single Flemish BondRaking Bonds

1.Zig-zag Bond

2.Diagonal Bond

PRINCIPLES OF BRICK MASONRY CONSTRUCTION

IS: 1077 QualitySoaking in WaterLaying Horizontally with Frogs Facing UpLappingHeight of ConstructionVertical JointsLength of ConstructionCheekingBrick BatsCuringRaked BackOccurrence of Cracks

STONE MASONRY

TYPES OF STONEUSES OF STONE MASONRYDRESSING OF STONESTYPES OF DRESSING

1.HAMMER DRESSING

2. CHISEL DRESSING

3.AXED FINISH

4. POLISHED FINISH

TERMINOLOGY OF STONE MASONRYNatural BedPlinthCorbelCorniceCoping Throating WeatheringThrough Stones or Bond StonesJambHeartingLintels or Heads

CLASSIFICATION OF STONE MASONRY

RUBBLE MASONRY

A Rubbles Stone Masonry wall is made up of stones of irregular sizes and shapes. The stones from the quarry are broken into small sizes. There are directly used in the construction work.

In some cases , these stones may be shaped to suit the requirement, with the help of hammers. These stones have rounded natural faces or angular broken pieces.

Rubble Masonry is further classified into three types. They are explained below.

CLASSIFICATION OF STONE MASONRY

Random Rubble MasonryUn- Coursed Random Rubble MasonryCoursed Random Rubble masonry Square Rubble MasonryUn-coursed square Rubble MasonryCoursed Square Rubble Masonry Polygonal Rubble Masonry

CLASSIFICATION OF STONE MASONRY

Ashlar Masonry

In Ashlar Masonry, no irregular stones are used. The entire construction is done using square or rectangular dressed stone blocks. The beds sides and faces of the stones used in this masonry are all dressed finely with chisel.

This masonry is laid in courses with thin end joints. It is the highest grade of masonry and costly. By arranging stones in various patterns. Different types of appearances can be obtained. Types of ashlar masonry are explained below:

CLASSIFICATION OF STONE MASONRY

Ashlar Fine Masonry Ashlar Rough- Tooled MasonryAshlar Rock of Quarry Faced MasonryAshlar Chamfered Masonry Ashlar Facing Masonry Ashlar Block in Course Masonry

PRINCIPLES OF STONE MASONRY CONSTRUCTIONQuality

DressingNatural BedMortar Pressure Acting on the StoneTensile LoadWateringCourse of StonesThrough StoneVertical Joints

PRINCIPLES OF STONE MASONRY CONSTRUCTIONHeartingSurface of Stone MasonryFacing of Stone MasonryVerticalityInclined SurfacesUnequal SettlementVoids in MasonryStepped RakingCuring

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