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the best way to get strong is to eat vegetables and main important is green vegetables

green means u can eat vegetables but the color have to be green

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When the concrete start to properly mixed and gain strength?

Concrete begins to gain strength once water is added to the cement, initiating a chemical reaction called hydration. This process typically starts within minutes of mixing, but the concrete reaches significant strength over time, with most of its strength developing within the first 28 days. Proper mixing ensures that the ingredients are evenly distributed, which is crucial for achieving the desired strength and durability. Factors like temperature, moisture, and the specific mix design can also influence the rate of strength gain.


What is the compressive strength of M35 concrete at 14 days?

35N/mm2 the above answer is terrible. at 14 days there is no guarantee of what the strength will be, as strength gain is rapid with pue OP it will tend t be greater than 50% of the target characteristic strength; however, with any pozzolans in the mix (e.g. PFA/GGBA) the strength gain over time is slower and can be espected to achieve greater strengths than that of pure OPC the question is too vague to answer. the mix design is pivotal in calculating strength


What is the effect of age of concrete upon the water-cement ratio and strength curve?

The age of concrete significantly affects its water-cement ratio and strength. As concrete matures, its strength generally increases due to the ongoing hydration of cement particles, which leads to a denser microstructure. Initially, higher water-cement ratios may lower strength but are essential for workability; as concrete cures, the effective water-cement ratio decreases, contributing to strength gain over time. Ultimately, strength curves show that concrete continues to gain strength well beyond the initial setting period, often achieving substantial increases up to several months or years, depending on conditions.


What is difference between 43 and 53 grade opc cement?

43 grade OPC Cement it denotes the compressive strength of concrete in 43 Mega pascals will attain in 28 days. it is normally used for pavements, Non RCC structures and which are not important for initial strength. where as 53 Grade OPC Cement it denotes the compressive strength of 53 Mega Pascals will attain in concrete with the 28days, and it is used for RCC strengths and which are important to gain initial strength.


How does accelerator make concrete stronger?

Accelerators enhance the strength of concrete by speeding up the hydration process of cement, allowing it to gain strength more quickly. They typically contain chemical compounds that increase the rate of chemical reactions, resulting in early strength development. This is particularly beneficial in cold weather or for projects with tight timelines, as it allows for faster setting and curing. Additionally, the use of accelerators can lead to improved workability and reduced water-cement ratios, further contributing to the concrete's overall strength.