Table of Contents
What are the advantages and disadvantages of flat slab?
Disadvantages of Flat Slab
|1||Span length is medium. In flat plate system, it is not possible to have large span.|
|2||Not suitable for supporting brittle (masonry) partitions|
|3||Use of drop panels may interfere with larger mechanical ducting|
Which of the following are the disadvantages of flat slab?
Disadvantages Of Flat Slabs:
- In flat plate system, construction of large span is not possible.
- Use of drop panels may interfere with larger mechanical ducting.
- Not suitable for masonry partitions (Supporting brittle).
- The thickness of flat plate slab is higher compared to the typical RCC two way slab.
Why do people prefer flat slabs?
Flat Slabs are considered suitable for most of the construction and for asymmetrical column layouts like floors with curved shapes and ramps etc. The advantages of applying flat slabs are many like depth solution, flat soffit and flexibility in design layout.
Is flat slab economical?
Flat slab structure is more economical than that of conventional slab structure. The cost of flat slab structure is reduced by 15.8% compared to conventional slab structures. Flat slab structures are the best solution for high rise structure as compared to conventional slab structure.
Is flat slab safe?
Flat slab is safe. Safe in the sense you design the slab to be suitable for intended purpose. When designing flat slab, one key issue is punching shear. The punching shear resistance of a slab decrease with increasing slab thickness (bear that in mind when designing).
How long can a concrete slab span?
Reinforced concrete allows a wide range of structural options and provides cost-effective solutions for a multitude of situations—from residential buildings with moderate live loads and spans of about 25 ft, to commercial buildings with heavier live loads and spans ranging from 40 ft to 50 ft and beyond.
How thick is a suspended concrete slab?
between 100 to 500 mm
What is the minimum thickness for a residential slab?
minimum thickness should not be less than 4.75 inches not forgetting factor of safety. Standard concrete floor slab thickness is residential construction is 4 inches, five to six inches is recommended if the concrete will receive occasional heavy load, such as mortar homes or garbage trucks.
How much is a suspended slab?
For a typical 150 m2 ground floor costs will be in the region of $165/m2 plus gst. For a typical 150sqm upper floor complete will cost in the region of $190/m2 plus gst excluding any structural steel and formed concrete stairs.
How does a suspended slab work?
Suspended slabs are upper floors of the ground that do not come into direct contact with the Earth. They are often used to build floors for the upper stories of the house, but they can also be laid on top of the pre-built walls to form a floor.
How much does it cost for a 12×12 concrete slab?
How much does a 12×12 concrete slab cost? The average cost to pour a 12×12 concrete slab that is 4” thick is between $888 and $1,584, with professional labor and materials included.
What is a suspended concrete floor?
A suspended floor is a ground floor with a void underneath the structure. The floor can be formed in various ways, using timber joists, precast concrete panels, block and beam system or cast in-situ with reinforced concrete.
Are suspended floors good?
Suspended concrete floor systems are also suitable when your intention is to use a floor tile, as there is no movement and will therefore prevent any cracking. These types of floors are a lot more expensive, but the benefits for the future are greater as there will be little or no maintenance required.
Are suspended floors bad?
Suspended floors Changes of use can result in increased loadings, particularly in older buildings. Excessive deflection can cause the outer walls to bow. In theory there should be no such problems with concrete suspended floors because they will usually have been designed by a structural engineer.
Is concrete floor cheaper than wood?
Yes, concrete floors are generally more affordable than hardwood floors. Generally, a concrete floor costs between $2 and $15 per square foot, while hardwood floors cost between $12 and $20 per square foot, according to Floor Critics.
Do concrete floors save money?
Even in commercial applications, concrete can survive under high-traffic conditions for many decades. Over the long run, this can save you a considerable amount of money and effort over replacing flooring every few years.
Can I put concrete floors in my house?
It’s not just for sidewalks; concrete is a stylish choice for indoor floors. Its surface can be finished in various ways—with colors, stains, and aggregates—and given a textured surface or buffed until glassy. Concrete floors are extremely durable and easy to clean, and they resist water when properly sealed.
What is the best finish for concrete floors?
Top Concrete Finishing Options
- Acid Stain. An acid stain for concrete floor has a very bold look, recognizable by its mottled appearance and highly variegated finish.
- Water-Based Stain.
- Fast Stain.
- Acrylic Sealer.
- Standard Epoxy.
- Metallic Epoxy.
- Terrazzo or Granite Epoxy.
- Quartz Sand Epoxy.
Is it better to stain or paint concrete floors?
The biggest difference between concrete stain and paint is how they cover concrete. When you use indoor or outdoor concrete paint, it stays right on top of the concrete, where it provides a layer of protection. On the other hand, stain actually soaks into the concrete.
What is the most durable concrete floor coating?
How can I make my concrete floor look better?
Painting a concrete floor to create the look of a rug, carpet, floorboards or granite by simply painting is fairly straight forward – even if a little messy. And changing the look of your concrete floor is not particularly expensive; use concrete floor paint or if you prefer a granite look use an etching solution.
Is cement flooring good?
Cement floors are a great choice for almost any part of the home, especially for outdoor areas. It can be customized and provides a great alternative to replace traditional flooring such as porcelain, wood, stone or marble. In addition, the cemented floor is extremely durable and easy to maintain.
What can I put over a concrete floor?
Several types of vinyl flooring may work better for different concrete floors:
- Vinyl sheet: This vinyl type comes in a single sheet that is installed over the concrete floor.
- Luxury vinyl tile or planks: Luxury vinyl emulates the look of hardwood or tile with increased moisture resistance.
How much does it cost to stain concrete floors yourself?
How much does it cost to stain concrete floors yourself? DIY concrete staining costs between $0.30 per square foot and $0.40 per square foot.
How long does concrete stain last?
With stained concrete, the concrete itself will last for many years, potentially over 100 years. However, in order for the stain to last, the floors will need to be sealed or waxed once or twice per year.
How long after staining concrete can you seal it?
Be sure and remove any residue left behind if using our acid stain, then apply sealer. Don’t seal too soon as there could be moisture in the floor and hazing can occur. A good rule of thumb is to wait 24 hours time after any water has been applied to the floor before sealing.