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Question
What is key principle of adding cooling pipes or yet using cold water for concrete in concreting operation?
Answer
These methods aim at reducing placing temperature and falling thermal cracks induced during concreting of enormous pours. Because final concreting temperature has to be ambient temperature, reducing initial placing temperature will also lower peak hydration temperature. Therefore, temperature divergence between hydration peak and ambient temperature is reduced so and subsequently thermal effect to concrete structure can be abridged by controlling placing temperature.
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Define the statements about error analysis? I. The expected value (or: most likely; probable value) of a measurement is the value that has the highest value of being correct.
Question Is kerb necessary in road pavements? Answer In universal, kerbs are crucial in road pavements due to next cause- (i) They supply strength to sides of road
water cement ratio
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Q. Physical evaluation of food grains? Food grains are judged for quality by their physical, chemical and microbiological examination. The physical examination includes chec
How we can find R.L. of instrument station without moving of instrument.
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