Planning a construction project? Let’s talk foundations. This article breaks down Floating Slab vs. Monolithic Slab, highlighting the differences that impact stability, cost, and durability. Whether you’re building or renovating, knowing these basics ensures smarter decisions for the long haul.
Monolithic Slab Vs Floating Slab?
The floating slabs are occasionally called monolithic slabs because they have no connection with the foundation. In some construction, a floating slab is utilized as support, and just after the foundation has been constructed that we throw the floating slab.
Generally, the monolithic slab is less costly compared to the Floating slabs. Floating slabs similarly occur to be a monolithic slab-shaped as an upside-down U, where concrete is to be applied monolithically or in 2/3 steps. Mono pour indicates the way it is constructed and poured, rather than the kind of foundation of a building.
If there is a big structure or unstable soil, you need a deep foundation, but with a basic garage in decent soil, a floating slab is decent and attractive. If the local soil has limited stability or as normal water on the subsurface, then the floating slab is extremely floating, and it is prone to cracking or tilting.
Floating slabs are those lads that float on the floor or in frost areas. Floating slabs are called monolithic slabs in such an environment because they have no connection with the foundation.
What Is A Monolithic Slab?
The construction of a Monolithic Slab is much faster and the labor expenses are low as in this slab the concrete is poured all at previously.
When utilized under favorable conditions, a Monolithic Slab can be almost as strong as Stem-Wall slabs. In most of the construction of sub-division communities, the floor is leveled and soil is evenly allocated throughout the land which creates the area densely compacted.
In this particular case, a Monolithic Slab may be the nicest choice if all the complete floor elevations are similar from lot to lot and there is an extremely small slope. Several major difficulties can occur if various conditions are not contusive with the Monolithic Slab.
Monolithic Slab cannot be utilized when more fill dirt is required because the concrete is additionally likely to crack if the ground is not compacted adequately. This is a difficulty for houses that require to be constructed to rise above the flood plane given by civil engineers.
What Is A Floating Slab?
In the Floating Slab, the slab has an edge of thickened reinforced but no frost footings. Floating slabs are known as “floating” because they are enabled to move over the ice line as a monolithic unit.
Insulation can similarly be added to decrease movement due to frost, depending on the necessities of the project.
Building a floating slab is one of the great economical ways to construct a foundation. Conventional foundations contain a strip footing on the perimeter with a frost wall on top. The strip footing is positioned below the level of frost.
The cost of a Floating Slab is higher because there is a quantity of excavation, concrete, and labor needed for the construction of strip footing and the frost wall.
A floating Slab is the nicest choice for the construction of sheds but for the construction of a home, there are some disadvantages to think about.
When Floating Slabs are built in a building they can be heated with radiant floor heat which will give comfortable and equal heat.
Read More: Types of Foundation | What Is Foundation | Types of Footings
Advantages Of Floating Slabs
Floating Slab has the following advantages,
- The floating slab construction can be utilized in site areas with lower load-carrying capacity and where investing huge money in soil treatment is ineffective.
- This system lets us use it over loose soil or in soil with differing compressibility.
- Floating slabs possess the property of circulating the vertical loads or stresses arriving over them to be allocated over a larger area.
- Floating slab foundations are a decent solution when it comes to the expansion of houses.
- There is a situation when we need a building expansion without affecting the already existing foundation. This won’t interfere with the building structures already constructed.
- Floating slabs act as a barrier for the opening of water coming from the ground. It operates as a barrier between the superstructure and the ground.
- This avoids seepage of moisture and frosting. For this objective, the slab can be protected from frost or moisture. This created their widespread usage in cold region construction.
- The floating slabs do not need the use of footer trenches. They can be poured with the support of trenching or digging which is inexpensive.
- The floating slab does not affect any disturbance to the earth layer lying beneath neither it will interfere with the quality.
- In regions where there are chances of shifting in the earth layer, largely due to great moisture content, the floating slabs are nicely suited.
Disadvantages Of Floating Slabs
Floating Slab possess the following Disadvantages,
- The floating slab does not make underground soil accessible for underground access of connection lines facing the utilities.
- It has primitive technology.
Uses Of Floating Slab
- The main uses of the floating slabs are as a base foundation for industrial workshops, sheds, and garages.
- It is relatively cost-effective in regions where the requirement for a necessary foundation is not required.
Monolithic Construction
The monolithic structure indicates the entire structure along with the slab is cast at a time. To construct a monolithic structure, we needed formwork for construction.
Monolithic construction for foundation slabs is one of the extensively popular options for step-wise foundations. Rather than breaking up the foundation into various pieces, monolithic slabs combine the concrete slab and the foundation footings into one item.
You will pour the slab and the footing at a similar time, which will enable you to finalize your projects quickly. In comparison to more conventional foundations, monolithic foundations end up being much thinner.
Generally, the footings for these foundations will just go about 12 inches from the base to the floor, and the foundation will simply be about four inches thick.
While some of the specialized digging equipment can be utilized to dig into the earth to create it faster, you can similarly typically handle the digging by hand since you just have to dig a few inches into the ground.
With monolithic slabs, you will similarly find that they rest on top of a gravel bed, designed for adequate drainage. The slab will similarly feature wire mesh or rebar to strengthen the slab and lower the possibility of any cracking.
Especially in the cold weather, you can add the layer of insulation that surrounds the foundation and gives internal heating. The insulation layer will push the frost line away and protect your structure safe from freezing and thawing.
Advantages Of Monolithic Construction
The following are its advantages,
- Utilized monolithic slabs allow speedy Construction.
- It enables filling the gap between the demand and supply of housing rapidly. Provide a speedier solution to the housing shortage.
- This technology enables to optimization of the cost and time of the project.
- The structure was established by optimal usage of time, money, and building material.
- It gives a disaster-resistant structure.
- Monolithic buildings are stronger against horizontal forces (earthquakes, cyclones, etc.) as compared to traditional Buildings.
- It is not needed expensive construction equipment in the case of a building constructed with aluminum formwork.
- In this technology, No requirement for any type of bricks, blocks, and plastering work.
- Monolithic Structures are Box type structure that is additionally suitable from the Earthquake point of view.
- We get an Outstanding finished structure that avoids expansive plastering costs.
- The thickness of walls is smaller due to that we get more plinth area and carpet area.
- The durability and quality of Monolithic construction are extremely high compared to ordinary construction.
- The monolithic construction is fast and lightweight.
Disadvantages Of Monolithic Construction
Monolithic Construction has the following disadvantages,
- The main disadvantage of monolithic construction requires Skilled and Semi-skilled laborers.
- It required a few days of training for workers.
- Repair and maintenance of monolithic construction are complicated.
- The thermal radiation is more.
- This kind of construction requires a high initial investment.
- A required particular type of Formwork like Tunnel Formwork.
You May Also Like:
Pingback: Floating Slab Vs Monolithic Slab | What Is Monolithic Slab | What Is Floating Slab | Contractors News Daily