Concrete is one of the essential building materials in Testing Services in Edmonton. There are more than thousands of construction projects happening in Canada throughout the year. However, the best time to do concrete work is always the topic of debate. It is for sure that not all weather conditions are best for concrete work or repair. If you still wonder, why the concrete needs proper weather conditions; here is the reason the hot and humid weather can restrain the concrete from properly setting wherein cold temperatures can cause cracks formation. The best Testing Services for pouring and settling concrete come when you avoid extreme weather conditions.
Temperature Effect on the Concrete Work and Setting
Concrete testing in Edmonton is an important part of any construction project but selecting the right weather condition is another essential aspect of structuring the building. Concrete work must be avoided in the months of January and July when the temperature is either freezing or boiling. In colder weather, probably the water in wet concrete will turn to ice causing expansion and cracking even in new building structures. To handle this, some workers will take precautions to make the concrete fix before the day go. Moreover, the temperature variations include hot water in the mix, even using tents, adding fast-drying chemicals, and space heaters to get concrete fixed. Though, it’s certainly not a job for amateurs.
In warm weather with temperatures, over 90 degrees Fahrenheit there is an equally dangerous set of difficulties for concrete settings. The hotter weather is quite tricky as it doesn’t have anything to play directly to the concrete fixing; however, the issue is the faster setting of the concrete top than the bottom causing a split shrinkage with the bottom staying wet. Consequently, a quaky & shaky slab of concrete that is unfit for much. Obviously, concrete can be poured at steaming temperatures but the knowledge of how to prevent the split drying process is a must. It can be completed by using extremely cold water for concrete mixing, also keeping the slab moist by sprinkling water or wet burlap for a few days. It takes an experienced eye to identify if the concrete is curing too fast or slow.
With blazing and freezing weather figured out for the finest possible results, that makes spring and fall ideal for concrete pouring. Whereas, April and May tend to be immensely good months for concrete work as the temperatures are firmly above freezing but not that intense like sizzling summers. However, rainy conditions can be challenging, since too much moisture on an afresh poured slab can deteriorate the final product. Moreover, May is the next rainiest month of the year which can cause mess and structural issues to the Construction Soil Testing project.
Finally, all the details and discussion & general conditions of mild temperatures as well as lower rates of precipitation make September the ultimate month of the year for concrete work.
Benefits of Proper Concrete Work with perfect Weather Conditions
To understand why the right temperature is important for concrete pouring; the working procedure of the concrete must be understood. Concrete is the two key ingredients including aggregate and paste. Also, aggregate is a blend of sand and broken gravel combined together in the correct amount. A mixture of water and cement makes the paste and when the paste and aggregate are mixed together, they form a sticky substance enabling it to pour easily. They can be drawn into different molds and shapes. Once left after pouring starts to solidify making a hardcore.
- Appropriate weather conditions will make the concrete pouring easily solidify with perfect and seamless shape as well as structure.
- The perfect structure results in long-lasting building life.
- Maintain the stability and sustainability of the investor’s heavy investment.
Steps to Achieve the Best Temperature When Pouring and Curing Concrete
Pouring concrete can be done in extreme temperatures as well but proper steps must be followed under professional’s supervision to achieve successful results. In hot weather, the following steps must be taken:
- The laborers will escape pouring during the hottest hours of the day i.e., noon and afternoon.
- Use coarser aggregate spots in the concrete mixture, which will lessen the risk of shrinkage due to heat.
- The laborers try to cool down the aggregate by intermittently spraying water over the structure.
- Either use ice as the portion of the cement mix or liquid nitrogen to cool the concrete structure.
- There are more steps for freezing weather pouring that may ascertain effectiveness:
- Using heated mats or heaters to defrost frozen ground
- Blending in hot water with the cement
- Using additional cement to create the chemical reactions hotter to speed up hydration
- Employing additives designed to accelerate the hardening process
- Employing heated concrete mixtures or distinctive blends intended for use in cold weather
- Utilizing chemical accelerators to expedite the curing process
Observance of the concrete’s molds or framework until the hardening process is accomplished and early removal will take to the concrete’s collapse. Once the concrete setting happens, it’s vital for it to persist at a temperature above 50 degrees Fahrenheit for the next two days to finalize the curing process. Follow a few ways to preserve the concrete within the appropriate temperature range:
- Consuming a heated enclosure that is secure from wind, water, and rain. It is essential that such a field has sufficient ventilation for the space heater esoteric, to evade accidental carbonation of the concrete’s exterior.
- Cover the concrete with isolated blankets.
- Placing straw over the concrete’s exterior to assist as an insulating material.
Central Material Testing is a Canadian-based material testing company giving consultation and Material Testing Services Edmonton for soil and concrete. We have trained and expert professionals that will help you with concrete installation with proper temperature & testing assistance. Get the best testing services in Edmonton for concrete compaction as well as density to maximize the structure’s life.