What is the meaning of lintel in construction?
A lintel or lintol is a structural horizontal block that spans the space or opening between two vertical supports. It can be a decorative architectural element, or a combined ornamented structural item. It is often found over portals, doors, windows and fireplaces.
What is the difference between a header and a lintel?
As nouns the difference between lintel and header is that lintel is (architecture) a horizontal structural beam spanning an opening, such as between the uprights of a door or a window, and which supports the wall above while header is the upper portion of a page (or other) layout.
How many types of lintels are there?
When would you use a lintel?
Lintels are required for all openings over timber frames greater than 600mm in width, & for all openings over steel frames greater than 900mm.
How do you calculate a lintel?
The lintel size is the height and width, and will be in inches. Multiply these dimensions to find the cross sectional area. Example: If the size note indicates the lintel to measure 8 by 16 inches, it will have a cross sectional area of 128 square inches.
What is the use of lintel in building?
A lintel is a beam placed across openings like doors, windows etc. in buildings to support the load from the structure above. Windows and doors are not made to be structural members of the home. When an opening is made in a home, there is a concentrated load above the doorway or window opening that must be supported.
How thick should a lintel be?
The steel for lintels , as a minimum, should comply with ASTM A 36. Steel angle lintels should be at least 1/4 in. (6 mm) thick with a horizontal leg of at least 3 1/2 in. (90 mm) for use with nominal 4 in.
What is difference between lintel and beam?
The beam carries the load from slab and transfers it to the column from, column it is transferred to the footing and from footing finally to the soil. Whereas lintel carries the load of the wall above the openings and transfers it to walls only.
How much does a lintel have to sit on?
Steel Lintels should be installed with a minimum end bearing of 150mm, bedded on mortar and levelled along its length and across its width. The masonry above the lintel should be built in accordance with BS EN 1996-2:2006.
What is RCC lintel?
Reinforced Cement Concrete Lintel At present, the lintel made of reinforced concrete are widely used to span the openings for doors, windows, etc. in a structure because of their strength, rigidity, fire resistance, economy and ease in construction. R.C.C boot lintels are provided over cavity walls.
What is the most common lintel material?
The most common materials for lintels are timber , steel and concrete . Timber is low cost, readily available and can be easily cut to size on site. Precast concrete lintels are economical and provide robust support for structures such as masonry over door and window openings.
How do I choose a lintel?
Lintel selection: A step-by-step guide Step 1 – Establish the construction material. Understanding wall construction is vital to lintel selection. Step 2 – Determine the opening width and cavity width. Step 3 – Calculate the load incorporating triangulation. Step 4 – Interpret the load span tables and ratios. Step 5 – Selecting the correct lintel .
Are concrete lintels stronger than steel?
Strength. It is not a myth that steel lintels are stronger than concrete ; this is generally the case, but it is a little more complicated. A high strength prestressed concrete lintel can often offer better supporting properties than a similar steel version at certain lengths and can be considerably cheaper.
Is lintel beam necessary?
A lintel is one type of beam which used to support the above wall when openings like doors, windows etc. are necessary to provide a building structure. The main function of the lintel is to take loads coming from above wall and transfer its load to the side walls.
How do you install a lintel in an existing block wall?
Steel lintels in concrete block walls are placed in the mortar between blocks , so the first step will be opening a space for the lintel itself. With the intended position of the lintel marked on the wall , carefully use an angle grinder or masonry saw to cut away the mortar.