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0.2 cm/s to 1.2 cm/s as per crouch, 2004
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∙ 12y ago
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What is the world's largest concrete batch plant?
The Erie Strayer MG-12CP2, I believe, has the highest production rate of any concrete batch plant. It is used for mass concrete placements that require 700+ cubic yards of concrete delivery per hour.
Does concrete still gain strength after 28 days?
yes,up to one year. However the rate again of strength is very slow.
What is expansion contraction joint how concrete expands contracts?
Concrete expands as it gets warmer and contracts as it gets colder. Left to itself these size changes can lead to cracks occurring, if different parts of the structure heats up/cools off at a different rate than other parts. By dividing the concrete into sections separated by joints that allow for some movement the thermal stresses can be managed and the risk of the concrete cracking goes away.
What is curing of concrete?
The curing of concrete is a reaction between the type of cement in the concrete and the water. This reaction between cement and water is known as hydration. When the concrete sets and gains strength through this process it is known as curing. Test cylinders of concrete for construction projects are placed in a curing room where they are continuous misted with water at 23 +-2 degrees Celsius for 7 and 28 days before testing. This provides adequate curing.
What different of blinding concrete vs lean concrete?
a blinding concrete is a thin layer of lean concrete
What is permeability for concrete?
Permeability is defined as the property that governs the rate of flow of a fluid into a porous solid.
What is the rate at which liquid passes through the pore spaces of a rock Surplus?
Permeability
What is the relationship between permeability and rate of infiltration?
turtles
What is the Working principle of no fines concrete?
No-fines concrete as the term implies, is a kind of concrete from which the fine aggregate fraction has been omitted. This concrete is made up of only coarse aggregate, cement and water.Very often only single sized coarse aggregate, of size passing through 20 mm retained on 10 mm is used. No-fines concrete is becoming popular because of some of the advantages it possesses over the conventional concrete.
What is concrete types?
High density concreteSulphur infiltrated concreteVacuum concreteHeavy weight concreteLight weight concreteNo fines concrete
What is The rate at which liquids flow is called?
Viscosity is the term.
What is an example of diffusion in a sentence?
The rate of diffusion is determined by the permeability of the membrane and the concentration gradient.
What is rate of trimix concrete?
what rate of trimix concret
What is permeabillity of soil?
Permeability is the rate (speed) that rainwater seeps through the different layers of soil.
Is course sandstone impermeable?
That depends on how well cemented the sandstone is. If the cementation is very poor then the permeability rate is good to excellent. If the cementation is very good, then the permeability rate is poor. Cementation fills in the pore spaces between the grains. The cementation may be calcium or silica.
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What is the ability of a cell membrane to allow material to pass through it called?
permeability
