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Cement, Cement Bag, How to Mix Cement -

How to Mix Cement

Whenever a project calls for a hard, permanent binding material, most professional and independent builders use cement. Extremely durable and easy to use, even underwater, cement is a material that will harden and support virtually any foundation or structure. While many novice builders may wonder how to mix cement properly, it can be a fairly simple process once you understand what materials you need and how to use them.

 

Method 1 : Preparing the Dry Mix

Step 1 :

Determine what type of cement will work best for your project. There are Many Types of Cement Such as PPC, PSC, 43 Grade Cement , 53 Grade Cement.

  • PPC Cement are Slow Setting Time Cement Which Help is Work ability and Increases in Strength in Time.
  • PSC Cement are Made with TMT Slag Which Gives Strength to Cement and is Almost the Same as PPC Cement.
  • 43 Grade Cement is OPC Cement Which Provide More Strength and can Be Used for all Types of Construction Just Like PPC Cement.
  • 53 Grade Cement is OPC Cement Which is Highest In Strength and Used for All Concrete Type of Work.

Step 2 :

Purchase the cement needed along with fine sand and gravel. You will need to purchase twice as much sand and three times as much gravel in order to get the proper cement mixture.
  • Step 3 :
  • Lay out the supplies. This includes bags for mixing and a heavy-duty wheelbarrow, since the mixture will be heavy once combined.
  • Step 4 :
  • Open the cement, gravel, and sandbags that you will use for mixing concrete. Use your small spade to shovel a ratio of 1 part cement, 2 parts sand, and 3 parts gravel into the wheelbarrow.
    • For example, one wheelbarrow full should be a mix of 2 spades of cement, 4 spades of sand, and 6 spades of gravel. If you're working with bigger quantities of cement up front, you might have a ratio of 4 spades of cement, 8 spades of sand, and 12 spades of gravel.

    Step 5 :

  • Mix the ingredients thoroughly with your spade to ensure they are well combined. Though they'll be mixed later, it's a good idea to have the dry mix thoroughly incorporated before adding the water
  •  

    Method 2 : Incorporating Water Into the Dry Mix

    Step 1 :
    Pour a small amount of water, roughly half of a 5 gallon (18.9 L) bucket, into the wheelbarrow. Be sure to measure out a known amount, so that you can replicate the same consistency with successive batches of concrete.
    • If pouring your water into a bucket before incorporating into the dry mix, mark the water level on your bucket with a marker. This way, you can quickly fill the bucket without measuring out the water each time you mix a new batch.
    • Cement that contains too much water is about half as strong as properly-mixed concrete. While it's tempting to just eyeball the amount of water, it could compromise the integrity of your structure. Be sure to read manufacturer's labels when adding the correct amount of water.

    Step 2 :
    Start with 3/4 of the dry mix. In a wheelbarrow or other mixing container, agitate about 3/4 of the dry mix with all of the water. This first mix will appear a bit soupy because of the excess water, but it should be easy to mix. For best results, mix with a rake.

    Step 3 :

    Once incorporated, add the remaining 1/4 of dry mix to the soupy cement mix. Mixing will become a little more difficult at this point, but a trusty rake should make the job easier. Mix until the finished cement is thick and wet but no longer soupy.
    Step 4 :
    Pour the mixed cement immediately into your project's area. This step needs to be completed as soon as possible after mixing.
    Step 5 :
    Clean up your supplies as soon as possible. Ideally, one partner starts on clean-up duty while another partner lays the concrete. But if that's not possible, submerge the wheelbarrow or cement basin with water immediately upon finishing. Then, scrub the wheelbarrow or basin with a stiff-bristle brush until it has been completely freed on any cement.
    • Dump the cement water somewhere inconspicuous, preferably where there isn't grass. (It will kill grass.) You can even dig a small hole, dump the water in, and then fill the hole afterward.

     

    Warning :

    Freshly mixed concrete will burn your skin and eyes if they are exposed too long. For your protection, be sure to wear rubber boots, long-sleeved shirt, pants, and safety glasses.

    Things You'll Need

     

    • Protective gear (rubber boots, long-sleeved shirt, pants, and safety glasses)
    • Heavy-duty wheelbarrow
    • Cement mix
    • Sand
    • Fine gravel
    • Water source
    • Small spade

     

    Source : WikiHow

     


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