Best Practices for Pouring Concrete in the Winter

ThinkstockPhotos 100804219By Matt Hubert

Colder winter days are a common sight in this time of year. However, we can’t allow it to put our construction work on hold for a longer time. Regardless, if you undertake construction jobs regularly or less frequently, this post outlines some best practices on how to pour concrete in cold weather, which can be of great use for your next concrete pouring project planned in a close timeframe.

 

Top 10 tips you must consider for concrete pouring in cold weather:

  • First, make sure the site is properly clean before you begin with concrete placement on the ground. Remove snow, water droplets or ice, if any, from the job area. Avoid placing the concrete mix on frozen or watery ground.
  • Execute the concrete mix pouring in the early morning so concrete can benefit from the heat generated by natural sunlight in the day hours.
  • Use the finest quality of concrete mix, which is air-entrained and fiber reinforced for a crack free surface. Ordering ready-mix concrete also can help you obtain excellent freeze durability to prevent cracks from concrete spalling and drying shrinkage. Otherwise, you can use concrete mix which is designed for superior early strength.
  • Store concrete in a warmer place before you begin with pouring job.
  • In case you are preparing concrete mix onsite, make sure you use the minimal possible amount of water. Use pre-heated water while preparing the concrete mix.
  • If you are going to embrace any other substance like wire mesh, rebar, steel bar, etc., into concrete, make sure its temperature is above the freezing point before it comes in contact with the freshly prepared concrete mix.
  • Once you finish concrete the pouring job, the next most important responsibility is to maintain the minimum required temperature of the concrete sheet to prevent it from freezing for a minimum of three days. You can use heaters, insulated blankets, enclosures and insulated covers underneath the waterproof cover. Check all edges of waterproof covers to ensure rebar or any other material isn’t obtruding.
  • When you remove all heat enclosures, lay down a waterproofing concrete sealer for curing purpose. The use of the concrete sealer will allow you to avoid the requirement for water curing.
  • After concrete pouring, make sure you protect the concrete slab from ice, dust and water for minimum a week.

Giving required care and attention to concrete pouring and concrete curing will give you many rewards later. Quality concrete pouring will give you a stronger, crack-proof, long-lasting surface with an ultimately professional finish.

 

Matt Hubert is associated with concrete industry for more than 10 years. With this, he observed the entire industry very closely. In his free time, often he writes on using ready mix concrete and concrete pumps for a large construction projects.

 

 

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