Types of Bonds in Brick Masonry Wall Construction and their Uses
- Stretcher bond. Longer narrow face of the brick is called as stretcher as shown in the elevation of figure below. ...
- Header bond. Header is the shorter square face of the brick which measures 9cm x 9cm. ...
- English Bond. English bond in brick masonry has one course of stretcher only and a course of header above it, i.e. ...
- Flemish Bond. ...
What is header bond in construction?
Header bond is also known as heading bond. The overlap is kept equal to half width of the brick. To achieve this, three quarter brick bats are used in alternate courses as quoins. Isometric View of Header Bond.
What is the difference between stretcher bond and header bond?
Stretcher bond is used for the construction of walls of half brick thickness whereas header bond is used for the construction of walls with full brick thickness which measures 18cm. Header bond is also known as heading bond. The overlap is kept equal to half width of the brick.
What is header bond in 2nd grade brick?
2. Header bond Header is the shorter square face of the brick which measures 9cm x 9cm. Header bond is also known as heading bond. In header bonds, all bricks in each course are placed as headers on the faces of the walls.
What do you mean by header course?
The course of brickwork in which all the bricks are laid as headers is referred to as header course. Three-quarter bats are used for the corners.
What is a header bond?
In header bonds, all bricks in each course are. placed as headers on the faces of the walls. While Stretcher bond is used for the. construction of walls of half brick thickness whereas header bond is used for the. construction of walls with full brick thickness which measures 18cm.
What is meant by stretcher bond?
Definition of stretcher bond : a bond with all the bricks or ashlars laid as stretchers breaking joint.
What is a header brick?
Brick slip headers are brick slips which are cut from the short ends of a brick. Headers are generally used and needed when the bond pattern dictates the need for a half brick eg. Flemish Bond. Headers are often used in detailing work and work that requires a half brick profile.
What is a raking bond?
noun. a brickwork bond in which concealed courses of diagonally laid bricks are used to bond exposed brickwork to the wall structure.
What is header and stretcher?
Introduction. Bonding is the arrangement of bricks in a structure such as a wall or column. Very broadly, bricks can be laid as soldiers (standing upright), stretchers (laid lengthwise along the wall) or headers (laid width wise along the wall).
How do you make a header bond?
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What is header in walls?
A header in the construction and engineering world is a beam over an opening that disperses the structural load to the outside of the opening to keep structural integrity. Otherwise, the load from the roof, floor, or whatever is above the opening can lead to stress that can cause cracks, shifting, or even worse.
What is Dutch bond?
Dutch Bond. It is a modification over the English bond and consists of alternate courses of headers and stretchers, except that every stretcher course starts with a three-quarter brick and in every alternate stretcher course in header is placed after the three quarter brick as shown in Fig. 2.46.
What is header in stone masonry?
It is a brick or stone which lies with its greatest length at right angles to the face of the work.. in case of stone masonry header is sometimes known as through stone. The course of brick work in which all the bricks are laid as headers is known as header course.
What is zig zag bond?
zigzag bond is a bond in which the laying of the bricks is done in a zigzag manner. The zigzag bond is similar to the Herring-bone bond. It offers a good aesthetic appearance and thus is mostly used for paving works in residential masonry constructions, floors, footpaths etc.
What is diagonal bond?
Diagonal bond is a pattern of bond in raking bond. Raking bond. In the raking bond, the bricks are laid at any other angle except zero or ninety degrees. This arrangement helps to increase the longitudinal stability of thick walls built in English bond.
What is rat trap bond in brickwork?
Rat trap bond is a brick masonry method of wall construction, in which bricks are placed in vertical position instead of conventional horizontal position and thus creating a cavity (hollow space) within the wall.
When to use header bond?
Header bond is useful when the design demands curved surfaces to be constructed. In such cases, stretcher bond cannot be used. Apart from using it for curved surface, it can also be used for the brickwork in foundations. So here we come to the end of the discussion on Header Bond and Stretcher bond.
What is stretcher bond?
What is a Stretcher Bond? As the name itself suggests, stretcher bond is formed by laying bricks horizontally as stretchers on the faces of walls. The length of the bricks is along the horizontal direction of the wall. Stretcher bond is used when walls of half brick thickness are to be constructed.
What is the bond between bricks called?
When all the bricks are placed as headers on the faces of the walls, the bond formed is called “Header Bond ”. Header Bond in Elevation. Stretcher bond is used for the construction of walls of half brick thickness whereas header bond is used for the construction of walls with full brick thickness which measures 18cm.
header bond
A pattern of brickwork consisting entirely of headers; usually displaced by one-half the width of one header in the course above and below. See also: Bond
header bond
A pattern of brickwork consisting entirely of headers, 1; usually, each course of headers is displaced by half the width of one header with respect to the headers in the course above and the course below.
What is header bond?
Header bond is also known as heading bond. In header bonds, all bricks in each course are placed as headers on the faces of the walls. While Stretcher bond is used for the construction of walls of half brick thickness whereas header bond is used for the construction of walls with full brick thickness which measures 18cm.
How is Flemish bond created?
Flemish bond, also known as Dutch bond, is created by laying alternate headers and stretchers in a single course. The next course of brick is laid such that header lies in the middle of the stretcher in the course below, i.e. the alternate headers of each course are centered on the stretcher of course below.
What is the minimum thickness required for single Flemish bond?
Minimum thickness required for single Flemish bond is one and a half brick thickness .
What is the thickness of a Flemish bond?
The thickness of Flemish bond is minimum one full brick. The disadvantage of using Flemish bond is that construction of Flemish bond is difficult and requires greater skill to lay it properly as all vertical mortar joints need to be aligned vertically for best effects.
Why use Flemish bond?
The main purpose of using single Flemish bond is to provide greater aesthetic appearance on the front surface with required strength in the brickwork with English bond. Double Flemish Bond has the same appearance both in the front and back elevations, i.e. each course consists of alternate header and stretcher.
What is the bonding material in brick masonry?
Mostly used material for bonds in brick masonry is cement mortar. Lime mortar and mud mortar are also used. 1.
Can stretcher bond be used on brick?
But the limitation of stretcher bond is that it cannot make effective bonding with adjacent bricks in full width thick brick walls. They are suitably used only for one-half brick thick walls such as for the construction half brick thick partition wall.
Why use header bond?
The header bond is sometimes combined with the regular stretcher bond in order to create a curve in the wall in an easier way , for example. In the past header bond was often used for curved brickwork and buildings of high quality.
What is block bond?
Block bond. A combination of the stretcher and stack bond. Two courses are laid in stack bond and the next two courses are laid while staggering by half a brick. You can be very creative with brickwork bonds. Here the block bond has 4 courses, but it alternates with a horizontal-vertical stack bond.
What is stretcher bond?
Stretcher bond. This is the most common and used brickwork method. The vertical joints are staggered each time by half a brick. There is hardly any loss of material because the bricks do not have to be cut to size.
Why is brickwork bond important?
gives projects extra style. and character. Brickwork bonds not only have an aesthetic effect; The choice in brickwork bond can also influence the budget. More complicated bonds, which usually necessitate more grinding work, can substantially raise the price.
Is there a pattern in brick bonding?
As the name hints at, there is no pattern in this bond. Various lengths of bricks are used, but never smaller than a quarter brick. There is only one rule: The vertical head joints may not continue into the next brickwork course, but must stagger each time. This brickwork bond is recommended/proper bond when laying or gluing facing bricks that are characterised by a low dimensional stability. When using recycled bricks you sometimes have no other choice.
What is a running bond?
Running bond: Bricks are staggered by 1/2 brick from the course above and below, in a classic one-over-two pattern. A simple, structural bond used for basic wall construction. All bricks are laid lengthwise, with the long sides, or "stretchers" facing out. Common bond: Running bond pattern with intermittent courses of "header bricks" ...
What is a Flemish bond?
Flemish bond: Stretcher and header bricks alternating in each course.
How do brick bonds work?
How Brick Bonds Work. Most brick bonds require bricks (or other masonry units) of the same size or at least compatible sizes. Uniform sizing creates a regular, repeatable pattern that can be applied over any size of the area. Many bond patterns include some method of interlocking each row of brick (called a course) to the neighboring courses.
What is brick bond?
A brick bond is a pattern in which bricks are laid. It applies to both brick walls and brick paving for patios and paths, as well as to concrete block and other types of masonry construction. There are many different types of brick bonds and each has its own look, installation challenges, and in the case of walls, structural considerations.
Is brick a structural bond?
Brick walls may be structural, such as load-bearing walls, or they may be primarily decorative, such as a brick-veneer wall. Structural walls require some type of structural bond, while decorative walls may use any bond pattern. Here are some of the most traditional and popular brick bonds used for walls: Running bond: Bricks are staggered by 1/2 ...
What is Flemish bond?
Flemish Bond. An alternate course of bricks that are composed of one header to one stretcher. It can also have several stretches in a row. Many times, the stretcher and headers will be of different color to create patterns.
What is a tie in masonry?
A masonry tie is a wire or sheet metal device used to connect two or more masonry single section brick walls. They are also used to connect masonry veneers to a structural backing system.
What is a bed joint?
The junction of two or more masonry pieces leaving a space between the bricks or concrete masonry units that are filled with mortar or grout. If the joint is parallel to the bed of masonry pieces in a course, it is termed as bed joint. If the joint is perpendicular, then the bed joints are termed vertical joints, side joints, head joints, ...
