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One of the disadvantages of self-compacting concrete is that it can be quite costly. When it is mixed with other forms of concrete it can break down over time.
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What is self compacting concrete?
Self Compacting Concrete also known as SCC, is a concrete which compacts itself when placed without the help of manual compaction.
What are the causes of bleeding in concrete?
exceed mixing and compacting
What are the Causes of bleeding in fresh concrete?
exceed mixing and compacting
Why the compacting factor test must do fast after the concrete was mixed?
Because the cement will damage
What is difference between first stage and second stage concrete used in powerhouses concreting?
In power house concreting during the installation of turbine units in their final location a second stage concrete is poured in order to embed the turbine units. A second stage concrete shall be non - shrinking,self compacting with quick setting admixtures for an early strength development
What is self compacting concrete?
Self Compacting Concrete also known as SCC, is a concrete which compacts itself when placed without the help of manual compaction.
What are the advantages and disadvantages of compacting concrete using a vibrator?
The main disadvantage of compacting concrete using a cement vibrator is the noise. The advantages of compacting concrete using a cement vibrator is to remove trapped air and excess water which then allows the concrete settle firmly.
Does self-compacting concrete contain any cement?
Yes, it containsSelf compacting concrete contains concrete + admixturesNo compaction is needed for SFC, because workabilty is more.
How is Self compacting Concrete is prepared?
indiae is my country and all Indians are my Save
What are the causes of bleeding in concrete?
exceed mixing and compacting
What are the Causes of bleeding in fresh concrete?
exceed mixing and compacting
What is packing factor in self compacting concrete?
Packing factor: In a simple way it is the ratio between the mass of tightly packed (compacted) to the mass of lossely packed.
What statement best defines concrete consolidation?
a process of compacting and molding fresh concrete within the forms
Why the compacting factor test must do fast after the concrete was mixed?
Because the cement will damage
List three methods of compacting concrete and describe an application and limitation of each?
Naw
What is difference between first stage and second stage concrete used in powerhouses concreting?
In power house concreting during the installation of turbine units in their final location a second stage concrete is poured in order to embed the turbine units. A second stage concrete shall be non - shrinking,self compacting with quick setting admixtures for an early strength development
What is green concrete and its disadvantages?
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