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 brickwork?
Header bond or Heading bond is the one in which all the bricks are laid as header on the faces of walls. The width of the brick are thus along the direction of the wall. The pattern is used only when the thickness of the wall is equal to one brick (i.e.18cm).
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 the difference between a header and a quoin closer?
Headers are laid centered on the stretchers in course below and each alternate row is vertically aligned. To break the continuity of vertical joints, quoin closer is used in the beginning and end of a wall after first header. A quoin close is a brick cut lengthwise into two halves and used at corners in brick walls.
What is a header bond?
Definition of header bond : a masonry bond in which all courses are header courses.
What is header bond in brick?
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 you mean by headers?
A header is text such as a name or a page number that can be automatically displayed at the top of each page of a printed document. Compare footer. [computing]
How do you draw a header bond?
0:275:16HEADER BOND AND STRETCHER BOND--WITH NARRATION - YouTubeYouTubeStart of suggested clipEnd of suggested clipBy using the three by four back at the joint creates an overlap of one by fourth of the brick lengthMoreBy using the three by four back at the joint creates an overlap of one by fourth of the brick length. Which further helps in preventing the vertical joints between two continuous courses of a wall.
What is a header block used for?
Originally the header block was used in conjunction with brick to allow the brick to tie to the wall. Turning the brick back into the wall and teeing them to the block made for a much stronger system. Today they are used almost totally as forms for garage slabs.
What is header in civil engineering?
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 an example of a header?
An example of a header is the title and page number on the top of the pages in a report. An example of a header is falling headfirst down a ski slope. The portion of a data block, cell, frame, or packet that precedes the text field or payload and provides information such as the source address and destination address.
Where do we use header?
A header is the top margin of each page, and a footer is the bottom margin of each page. Headers and footers are useful for including material that you want to appear on every page of a document such as your name, the title of the document, or page numbers.
Why do you think we use headers?
Headings and subheadings represent the key concepts and supporting ideas in the paper. They visually convey levels of importance. Differences in text format guide readers to distinguish the main points from the rest. Headings are generally bigger, if not more conspicuous, than subheadings.
Where is Dutch bond used?
English and dutch bonds are the particular pattern of laying bricks for constructing a wall. English Bond - a bond used in brickwork consisting of alternate courses of stretchers and headers. Dutch bond - is created by laying alternate headers and stretchers in a single course.
What are types of brick bonds?
There are five basic structural bonds commonly used today which create typical patterns. These are: Running bond, common or American bond, Flemish bond, English bond and block or stack bond, as illustrated in Fig.
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.
Where are header bonds used?
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 are the types of brick bonds?
There are five basic structural bonds commonly used today which create typical patterns. These are: Running bond, common or American bond, Flemish bond, English bond and block or stack bond, as illustrated in Fig.
Which type of brick bond is strongest?
The header Bond in brick is considered to be the strongest and widely used bond in masonry construction. Header means a shorter square span face of the brick which has dimensions 9cm x 9cm. The arrangement is such that it forms the strongest bonding between bricks, making it the strongest bond for bricks.
What is English bond and flemish bond?
A brick construction pattern with alternate courses of brick laid as stretchers and headers forms an English bond. A flemish bond is a brick construction pattern that consists of alternate stretchers and headers for each course. Also Read: Types of Bonds in Brick Masonry Construction.
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.
Can a brick bond fail?
It should however be remembered that this bond is only possible in case of walls with less thickness and the bond will fail if the thickness of the walls is more than half of the length of the brick.
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.
How many courses of stretchers are there in English bond?
English bond in brick masonry has one course of stretcher only and a course of header above it, i.e. it has two alternating courses of stretchers and headers. Headers are laid centered on the stretchers in course below and each alternate row is vertically aligned. To break the continuity of vertical joints, quoin closer is used in the beginning and end of a wall after first header. A quoin close is a brick cut lengthwise into two halves and used at corners in brick walls.
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.
