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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.
High strength friction grip (HSFG) bolts vs. normal bolts HSFG bolts have the following benefits when compared with normal bolts: (i) Performance of preloaded HSFG bolts u
Explain the Well Drawdown Equations Watch the units, especially if you use log 10 or ln. h 1 = aquifer thickness minus the drawdown (ft) r 1 = distance from well (ft
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Question What are major advantages of using top-down approach in basement construction? Answer The main advantages of top-down approach are listed below- (i) Stru
what do you understand by the term local attraction
Acidity and Alkalinity - Chemical Characteristics of Water Acidity: Capacity to neutralize bases and is a measure of acids in water. Acidity is measured by titrating the s
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Question For a l ong slender structure similar to beams, propping is compulsory after elimination of formwork with reasons? Answer After concreting, time at which arresting of
need help with my assignment. An Asian Pacific capital city proposes to design, construct and operate a new double track railway from the city to connect to its major airport. Pref
Figure 2 details a typical T-beam unit in a beam and slab floor with a span of L = 10 m. Determine the reliable moment capacity M ′ for the T-section shown. Take f c ′ = 32
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