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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.
some expansion joint(10 mm- 20 mm) on my basement roof.rain water leakage in basement i want the solution of expiation joint and water leakes.
Explain the Design Criteria Sedimentation basin Surface Loading rate (or overflow rate), Vo = Q/A (flow rate/surface area) Detention time t or ? = V/Q (Volume /Flow rate)
Retardation of fresh concrete has numerous benefits as below: (i) A rapid hydration process leads to loss in concrete strength since concrete will have a poorer structure with
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Define the Shock Transmission Unit? Ever since engineers have started designing multi span simply supported bridges, they have been dreaming of connecting all the spans togethe
Question What is main mechanism of formation of soil plugs in marine driven steel piles with reinforced concrete infill? Answer Throughout initial driving process, ope
A sand at a borrow pit is determined to have an in-situ dry unit weight of 18.4 kN/m 3 . Laboratory tests indicate the maximum and minimum unit weight values of 19.6 kN/m 3 and
The ball of a trailer hitch is subjected to a force F. If the failure occurs when the moment of point F around point A reaches 11250 in lbs, determine the largest value F may have
input and output devices used
Can I get an online project to work on in civil engineering??
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