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Why does concrete have to be placed compacted and finished within a certain time from when the concrete was mixed?
Wiki User
∙ 14y ago
Concrete cures and hardens from chemical reactions over a specific period of time. If the concrete work is not completed within the specific period of time, the fluid concrete will harden and become unworkable.
Wiki User
∙ 14y ago
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At what depth should the reinforcing be placed in a concrete garage floor supported by a concrete wall on all four sides and poured on compacted fill?
Steel re-inforcing in concrete should always be placed 1/3 of the depth from the bottom. A 6" thick slab would have the steel placed 2" off the bottom.
What is compaction ratio of concrete?
The Compacting Factor = Weight of partially compacted concrete/Weight of fully compacted concrete.The weight of fully compacted concrete can also be calculated by knowing the proportion of materials, their respective specific gravities, and the volume of the cylinder.It is seen from experience, that it makes very little difference in compacting factor value, whether the weight of fully compacted concrete is calculated theoretically or found out actually after100 per cent compaction.
Where is the napkin placed when your meal is finished?
well usaully it is placed next to your plate when you are finished
How do you make reinforced concrete?
Reinforced concrete is just normal concrete with steel reinforement placed inside.
What is the minimum amount of fill placed under a slab?
4" or 102 mm of compacted sand or gravel fill.
What consolidating concrete?
Newly placed concrete will often have air pockets in it. Rodding it or vibrating it will cause the concrete to settle, or consolidate, better.
What are the key features of beam bridge constuction?
Piers must be placed at the beginning and the end of the bridge. Added stability is provided through wider spans of beams placed at certain distances underneath the structure. Materials such as wood or concrete must also be placed on top to prevent large gaps.
What are Metal joints are placed between concrete sections?
Roadways?
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.
Metal joints are placed between concrete sections of long?
beam
When will the ISS be entierly finished?
The lsat modual was placed this month, by the Enouver crew, to offical, it is finished.
How much does reinforced concrete cost?
Concrete is usually reinforced by adding steel. The cost of reinforcing concrete depends with the given area under which the steel is placed to reinforce it.
