Precast Concrete Lintels
| Lintels 6''W x 8''H | Code | Size | Weight |
| - - - - - - - - | 6CL48 | 6''W x 8''H x 48''L | 160 lbs. |
| - - - - - - - - | 6CL56 | 6''W x 8''H x 56''L | 185 lbs. |
| - - - - - - - - | 6CL64 | 6''W x 8''H x 64''L | 211 lbs. |
| - - - - - - - - | 6CL72 | 6''W x 8''H x 72''L | 252 lbs. |
What are the dimensions of a Behr concrete lintel?
4 ft. x 8 in. x 3 in. Concrete Lintel meets ASTM C 90 specifications. For construction of concrete foundations or above-grade masonry walls. They are dimensionally true and uniform in shape, color and texture. BEHR Premium Advanced DeckOver 5 gal. #SC-365 Cape Cod Gray Smooth Solid Color Exterior Wood and Concrete Coating BEHR PREMIUM 1 gal.
What is the standard size of a lintel table?
Steel lintel load span tables SL50 CXHD 225 Standard Lengths 600 1800 1950 3000 4950 5100 Nominal Height (mm) 236 236 236 Weights (kg/m) 19.0 19.0 19.0 SWL 1:1 | 3:1 (kN) 89 71 32 SWL 19:1 (kN) 75 60 30 1 more rows ...
How to estimate the self-weight of a lintel?
Since, lintels are an important part of the wall so the width of the lintel is the same as the wall and the only unknown that is required to estimate the self-weight of the lintel is its depth. Depth of approximately 20 mm per linear of 300 mm of the span can be considered for preliminary design.
What do the numbers on a lintel mean?
Nominal height – The height of the lintel in mm. Weights – The weight of the lintel in kg per metre. SWL – This means Safe Working Load, but can also be referred to as Serviceable Working Load. This value is the load in kiloNewtons (kN) and simply means the load that this particular lintel can safely bear. RM – This means Resistance Moment.
How much does a precast lintel weight?
Lintels are lightweight concrete: unit weight 100 pcf, compressive strength 3,000 psi or normal weight concrete: unit weight 126 pcf, compressive strength 3,000 psi. Load tables are the same for each unit weight.
How much does a lintel have to sit on?
Lintels generally require a nominal minimum end bearing of 150mm at both ends, meaning the total lintel length is the span of the opening plus 300mm. On top of that, there are other things to be aware of during installation to ensure the lintel is correctly supported and able to do the job expected of it.
How thick is a lintel?
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. (100 mm) thick brick, and 3 in.
How do you calculate lintel load?
Where the lintel is supporting only masonry, the load ratio is generally 1:1. Typically this increases to 3:1 (inner to outer leaf) for lintels carrying timber floor loads, and 5:1 where concrete floor used. In eaves applications, the load ratio is 19:1.
How much does a concrete lintel weigh?
Reinforced concrete lintels are made with 3000 pound concrete and are stocked in a variety of sizes. They are block textured and scored to simulate natural gray masonry units. For setting purposes, the 4 x 8 concrete lintel weighs approximately 27 pounds per lineal foot and the 8 x 8 lintel weighs 56 pounds per foot.
Are concrete lintels stronger than steel?
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.
Can you drill through lintel?
When drilling into a concrete lintel, you should start with the smallest drill bit for masonry you have in your set. A drill bit of 3mm is a good place to start, and you can then work up from there to get the size of hole you need. When it comes to concrete, the smaller the drill bit, the easier it will penetrate.
Is a lintel a beam?
A lintel or lintol is a type of beam (a horizontal structural element) that spans openings such as portals, doors, windows and fireplaces. It can be a decorative architectural element, or a combined ornamented structural item.
What is the standard size of lintel beam?
Specification. A bearing of 150mm to 200mm should be provided, and it should be placed on the mortar. The width of the lintel could be equal to the thickness of opening & depth in the range between l/12 to l/8 of the span. Minimum width of 80mm should be provided.
What are loads on lintel?
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.
What size opening requires a lintel?
For all openings using timber frames over a width of 600 mm, and all openings using steel frames over 900 mm, then lintels are needed.
What is the 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 should a concrete lintel overhang?
25mmLintels should be installed with a minimum end bearing of 150mm at each end, and should be levelled and fully bedded on bricklaying mortar. Masonry may overhang the supporting lintel by a maximum of 25mm.
How much bearing should a steel lintel have?
150mmSteel Lintels Installation Guide. Steel Lintels should be installed with a minimum end bearing of 150mm, bedded on mortar and levelled along its length and across its width.
How do you support a concrete lintel?
Recommended bearings for concrete lintels depend on the length of the opening. 1. The lintel should be bedded on mortar and levelled both along the lintel and across its width. Full bricks, blocks or padstones should be used as bearing areas.
What supports a lintel?
A lintel should have sufficient strength and stiffness and be made of a material that is compatible with the masonry it supports. Commonly, lintels are made from the following materials: Galvanised or stainless steel. Reinforced or prestressed concrete.
How deep is a lintel?
Depth of approximately 20 mm per linear of 300 mm ...
What is a masonry lintel?
The lintel is defined as a transverse load beam positioned over an opening in a wall to support the imposed loads above the lintel, as shown in Figure-1. In this article, various design loads exerted on masonry lintel will be discussed and explained.
What is the dead load of masonry above the lintel?
The dead load masonry above the lintel is the weight of masonry contained in a forty-five-degree triangular area above the lintel if arching action is considered to occur. Consequently, the dead load for which the masonry lintel must be designed consists of masonry dead load in the triangular area plus self-weight of masonry lintel. It may be claimed that the degree which made the triangular area above masonry lintel vary from 45 to 60 degrees. The dead load for the case where the triangle is formed due to 60 o over the lintel effective span is greater than a dead load of masonry contained in the triangle created by 45 o over the effective span of the lintel. It is advised to employ the triangular formed by 45 o to calculate wall dead load over the lintel, as illustrated in Figure-2.
Is a masonry lintel a concentrated load?
Live and dead Loads exerted on masonry lintel by roof or floors could be either concentrated or uniform loads. Regarding concentrated loads, depending on the results of tests, a method for specifying concentrated load distribution on walls is suggested by NCMA. As per the tests carried out for concrete block, brick masonry, and ACC masonry, it is assumed that concentrated loads may be dispersed at the slope of 2:1. Figure-4 shows the distribution of concentrated loads on masonry lintel.
DIYedboy
I want to remove an existing lintel at the rear of my house then fit a wider lintel and then fit larger patio doors beneath it, but I will have to submit plans etc to building regs. I have tried to look up the calculations but have got very confused.
noseall
Provided the new opening is not overly wide i.e. enormous bi-fold doors etc, then a standard duty inverted 'T' lintel would suffice and they are a stock item at decent builders yards.
CharlieB1981
best thing is give your building control a call, i'm doing similar and mine have been very helpful, they provided an on site evaluation and advice at no charge and confirmed what i would need.
DIYedboy
The clear span will be 11' 6", I suspect that a catnic or 2no. RSJ's will be needed as the span is pretty big
noseall
3.5m is pretty substantial. You may need professional help on this one.
DIYedboy
That's why I'm talking to you boys, I hope you can give me an idea of the weight of the masonary and roof load that will bear down on the lintel
DIYedboy
I'm sure you're right woody BUT I have to submit plans to the building regs boys and they won't be satisfied by that, they will want to see calculations on my plan to prove that the beam is correct for the job (auditable evidence), it is these calculation that I am asking you learned boys how to produce.
How much does an 8 inch block weigh?
8 inch concrete block weight. 8 inch concrete block weight:- generally weight of full size 8 inch or 200mm concrete block vary between 34kgs to 37kgs or 75 pounds to 82 pounds and for half size 8 inch or 200mm concrete block, their weight could be 17kgs to 18kgs or 37 pounds to 40 pounds.
How much does a denser concrete block weigh?
Density of denser/heavy concrete block: – density of denser concrete block is about 2300kg/m3 or 144lbs/ft3, it means their unit weight is about 2300 kgs per cubic metre or 144 pounds per cubic feet, generally, weight of denser concrete block or CMU unit is vary from 20kgs to 52kgs, depending upon size.
How heavy is a 4 inch concrete block?
Regarding this, “how heavy is a concrete block?”, in United Kingdom a standard size of 4 inch concrete block is 440mm in length by 100 mm wide and by 215 mm in height which generally weight around 19kgs and for larger size it will be weight around 19kg to 38kg. Slightly it may be vary case to case.
What is the density of a medium weight concrete block?
Density of medium weight concrete block :- density of medium normal weight concrete block is about 2150kg/m3 or 134lbs/ft3, it means their unit weight is about 2150 kgs per cubic metre or 134 pounds per cubic feet, generally, normal, medium, weight of concrete block or CMU unit is vary from 17kgs to 50kgs, depending upon size.
