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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.
Does self-compacting concrete contain any cement?
Yes, it containsSelf compacting concrete contains concrete + admixturesNo compaction is needed for SFC, because workabilty is more.
What are disadvantages of self compacting concrete?
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.
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.
What are the typical applications of micro silica powder?
Typical applications include high-strength concrete, self-compacting concrete, precast concrete Silpozz products, shotcrete, and as an additive in cement and mortar formulations.
What are the causes of bleeding in 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 are the Causes of bleeding in fresh concrete?
exceed mixing and compacting
What is compacting factor of concrete?
The compacting factor of concrete is a measure of its workability, indicating the ease with which concrete can be mixed, placed, and finished. It is determined by comparing the weight of a partially compacted concrete sample to the weight of the same volume of fully compacted concrete. A higher compacting factor suggests better workability, while a lower factor indicates that the concrete may be too dry or difficult to work with. This test is particularly useful for assessing the suitability of concrete mixes for various construction applications.
What statement best defines concrete consolidation?
a process of compacting and molding fresh concrete within the forms
How many kinds of concrete are there?
There are numerous types of concrete, each designed for specific applications and properties. Common types include normal concrete, high-strength concrete, lightweight concrete, and fiber-reinforced concrete. Specialty mixes, such as self-compacting concrete and pervious concrete, are also used for particular construction needs. Overall, the diversity of concrete types allows for tailored solutions in construction and engineering projects.
List three methods of compacting concrete and describe an application and limitation of each?
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