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it is 120 minutes

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13y ago

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How do you minimize final setting time of concrete?

put less water


How does the fineness affect the time of setting?

Setting begins to occur after the concrete is mixed and even before pouring. The cement in the concrete begins to stiffen after mixed with water. The concrete is beginning to change from liquid form to solid form. During the setting process, the concrete does gain strength, which is the beginning of the hardening process. When the water ingredient is added to the concrete mix, the concrete is still pliable and flexible, sort of a paste. There is two stages of setting: initial and final setting. Initial setting is when the concrete loses it flexibility and begins to harden. Final setting is when the concrete can sustain some load, but still has some moisture within the mixture. Hardening


What is initial and final setting time in cement according to ASTM?

Using a Vicat needle, the ASTM determined time for initial concrete setting is equal to or greater than 45 minutes. They set the final setting time is equal to or greter than 375 minutes.


What is the final setting time if cement?

initialy setting time up to 10min. & final setting time upto 10 hours


How does microsilica affect concrete setting time?

Silpozz Micro silica can slightly delay the setting time of concrete, but this can be adjusted with admixtures to meet project needs.


How ican extend initial setting time of concrete?

Initial Setting time can be extended by adding retarders during mixing of concrete. Sugar solution is the easily available retarder.


How do you extend concrete setting time?

you can buy primers from you local hardware or diy store to extend setting time


What is the intial setting time for cement?

The initial setting time of cement is 30 minutesThe final setting time of the cement is 10 hours.The initial and final setting time of the cement can be found by using the Vicat's apparatus.


What is the setting time of concrete?

The length of time that concrete takes to set, will depend on the temperature. It would take approximately 4 hours for concrete to set at a temperature of 80 degrees.


What is the difference between concrete grade and concrete strength?

concrete grade and strength are both revalent since if grade increase setting time will be less and curing to be done propely so that concrete strength will reach higher. If concrete grade is low curing to done longer days upto intial setting time to reach proper strength


Why 2 gypsum is added in the cement?

The construction industry uses both the natural and the synthetic forms of gypsum in Portland cement manufacturing. Although the amount of gypsum used in the mix represents a small percentage of the volume of all ingredients, gypsum has important functions.


What is setting time for m10 concrete?

The setting time for M10 concrete, which has a mix ratio of 1:3:6 (cement, sand, and aggregates), typically ranges from 30 minutes to a few hours, depending on environmental conditions like temperature and humidity. Initial setting time is usually around 30 to 90 minutes, while final setting can occur within 4 to 8 hours. However, these times can vary based on the specific materials used and any admixtures added. It's essential to monitor the conditions to ensure proper curing and strength development.