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Question
What is the reason that vibrators not used in concrete compaction in piling works?
Answer Concrete for piles must be a high-slump self-compacting mix that is capable of flowing between reinforcement cages with simplicity. As concrete is designed to be self-compacting, vibrators are not used for given that additional compaction. Furthermore, concrete in piles is compacted by power derived from free falling. Though, if vibrators are used, vibrated concrete can be compacted to sides of concrete casings and hinders lifting up of casings.
A clay layer 25 metres thick has a saturated unit weight of 19.2 kN/m 2 . Ground water level occurs at a depth of 5 metres. It is proposed to construct a reinforced concrete founda
Question Explain the reason why is sulphate-resisting cement not used in marine concrete ? Answer Major components of Portland cement are tricalcium silicate, dicalciu
how to establish temporary benchmark
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what is the advanantage& dis advantage
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