Cracks in Concrete Paving Blocks
Cracks in Concrete Paving Blocks and Concrete Products.
The problem of cracking arises in the concrete paver blocks, interlocking tiles or any concrete products is due to shrinkage.
This one of the main reason of cracking in the concrete products.
One of the most common question, I received on Email is:-
Why cracking happens in the concrete paver blocks?
This generally happens in the newly poured concrete paving blocks.
The homeowner will asks question why cracking has happened and did they received a shoddy job.
Please Note :- Use Our Best Quality Concrete Admixtures.
Concrete admixtures and Hardeners
When installed properly, Concrete Paving Blocks are one of the most durable and long lasting products,
You can use this around outdoor area, like:-
- Near by your home, cracks in concrete paving blocks
- Petrol pumps,
- Parking area.
For the best paver blocks, it is important that Concrete Paving Blocks Manufactures follow well-established guidelines with respect to concrete placement.
Durable Concrete Paving Blocks, High Strength Concrete Paving Blocks, and Crack Resistant Concrete Paving Blocks are not made accidentally.
Why Cracking Occurs in Concrete Paving Blocks.
The basic reason of cracking in the concrete paving blocks are as follows :-
Reason #1 – The use of excess water during the preparation of mixture from the raw material for the Concrete Paving Blocks.
Use less amount of water during the preparation of concrete mixture for making of concrete paver blocks. Causes for concrete block cracking
But generally we find that concrete paver blocks used in various residential sites are made of such a mixture which contains excess of water during its manufacturing process. Paver block moulds,Concrete Paver Block Mould
The excess of water added during the making of the concrete paving blocks reduces the strength of the concrete paving blocks.
So during making the mixture use our Concrete Admixtures.
Read Below Carefully:- We are trying to guide you about cracks in concrete paving blocks, Causes for the concrete block cracking, And also cracks in the interlocking tiles :-
Shrinkage is the main cause of cracking in Concrete Paving Blocks.
As concrete dries and hardens it shrinks. Interlocking tile mould,cracking
This is due to the evaporation of excess mixing water.
The wetter or soupier the concrete mix, the greater the shrinkage will be.
Concrete slabs can shrink as much as 1/2 inch per 100 feet.
This shrinkage causes forces in the concrete which literally pull the slab apart. Cracks in concrete paving blocks
Cracks are the end result of these forces.
The bottom line is a low water to cement ratio is the number one issue effecting concrete quality- and excess water reduces this ratio.
What you can do about cracks in concrete paving blocks also in concrete block cracking causes, interlock tiles cracks issue:-
Know the allowable water for making the mixture or use concrete admixture the contractor is pouring- or be very sure you have chosen a reputable contractor who will make sure the proper mix is poured.
It is more expensive to do it right- it simply takes more manpower to pour stiffer mixes.
Reason #2 – Rapid Drying of the Concrete Paving Blocks and Concrete Products.
Also, Rapid drying of the slab will significantly increase the possibility of cracking. Cracks in concrete paving blocks
The chemical reaction, which causes concrete to go from the liquid or plastic state to a solid state, requires water.
This chemical reaction, or hydration, continues to occur for days and weeks after you pour the concrete. cracks in concrete paving blocks
You can make sure that the necessary water is available for this reaction by adequately curing the slab, Concrete Paving Blocks.
What you can do about it:- cracks in concrete paving blocks
Read here about the methods to cure concrete and understand how your contractor will cure the concrete and Concrete Paving Blocks.
Reason #3- Improper strength concrete poured on the job.
Concrete Paving Blocks and Concrete Products is also available in many different strengths. Cracks in concrete paving blocks
Verify what strength the concrete you are pouring should be poured at.
Talk to the ready mix supplier.
Consult with the Ready Mix Concrete Association in your area.
Reason #4 – Lack of control joints.
Control joints help concrete crack where you want it to.
The joints should be of the depth of the slab and no more than 2-3 times (in feet) of the thickness of the concrete (in inches).
So 4″concrete should have joints 8-12′ apart.
SOME OTHER REASONS ARE AS FOLLOWS :-
- Never pour concrete on frozen ground.
- The ground upon which the concrete will be placed must be compacted. cracks in concrete paving blocks
- The sub grade must be prepared according to your soil conditions. Some flat work can be poured right on native grade. In other areas 6″of base fill is required along with steel re bar installed in the slab.
Understand what your contractor is doing about each of the above listed items and you will get a good concrete job.
For more Information about Cracks in concrete paving blocks or Paver Block Moulds and Concrete Admixture, CONTACT US:-
|Sri Krishna Plasto||Sri Krishna Overseas||SriJaiganeshsteel|
|BE-318 Hari Nagar||New Delhi -110064|
|Email :-||[email protected]|
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