what is the difference between fully compacted and partially compacted concrete?
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This weight is known as the weight of partially compacted concrete (W1). Empty the cylinder and then refill it with the same concrete mix in layers approximately 5 cm deep, each layer being heavily rammed to obtain full compaction. ... This weight is known as the weight of fully compacted concrete (W2).
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Difference between OPC and PPC Cement: Strength: The initial strength of OPC is higher than PPC, but for a longer duration of time, Strength of PPC is higher. Setting time: Final setting time of OPC Cement is comparatively lower than PPC Cement, which makes it effective for your construction.
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What is the difference between lightly reinforced and structurally reinforced concrete slabs? ... Lightly reinforced concrete slabs are constructed using welded wire fabric or fiber reinforcement or sometimes both. They are totally supported over earth.
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The major difference between both of them is compressive strength. Compressive strength is the property of any material to with stand pressure. Going by the materials clay bricks and concrete bricks are made, the concrete bricks have much more compressive strength.
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- Nominal mix specifies the proportion of the cement , sand and aggregates without making special effort to know their individual properties. Nominal mix has Volumetric batching. However , design mix is a process where each and every ingredient of the concrete is first tested in the laboratory .
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Concrete has a low water-to-cement ratio and is a thinner consistency than mortar. Concrete is often reinforced with steel when used a structural support of a building. ... Mortar, which is a mixture of water, cement, and sand, has a higher water-to cement ratio than concrete.
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The difference between Concrete and Tangible. When used as nouns, concrete means a solid mass formed by the coalescence of separate particles, whereas tangible means a physical object, something that can be touched.
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Aggregates have been found to offer volume stability to a concrete mixture that has hardened. Note that aggregate has a lower shrinkage potential than cement, which is a quality that prevents the possibility of cracking of the concrete surface.
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In a few ways they are the same thing. Concrete is sand and gravel bound together with cement, the minimal effective thickness is four inches. Pavement is also called asphalt concrete and comprised of sand and gravel bound together with a type of tar, the minimal effective thickness is two inches.
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A concrete garage system is a LOT cheaper than a brick garage. Compared to a similar sized brick built garage, a prefabricated concrete structure will cost around half of what the brick building will cost. You don't lose out on features and can have just about any size, shape or style of garage you can think of.
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A concrete which can consolidate itself by its self weight leave no air pockets is called self compacting concrete. A normal concrete cannot achieve this due to its poor workability, hence SCC achives this by adding special admixtures in the concrete which makes it to flow and fill all the air pockets.
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1) dry volume means volume of ingredient of concrete like sand cement and aggregate in mix dry condition before adding water. Wet volume means volume of ingredient of concrete like sand cement and aggregate in wet mix after adding water. 2) dry volume of concrete is approx 54% is more than wet volume of concrete.
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A properly engineered prestressed-concrete beam can span longer distances than a reinforced-concrete beam and it is thinner, lighter in weight, and uses less concrete without cracking or breaking.
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Bituminus concrete is a mixture of stone aggregates and coarse sand with bitumen as the binding material. ... Whereas, Bitumen mecadam is a mixture of stone aggregate only binded with bitmen and has porisity but more compressive strength that's why it is used as strengthening layer to increase the strength of the pavement.
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Following are the differences between compaction and consolidation of soils. Compaction is the compression of soil by the expulsion of air from the voids of the soil. Consolidation is the compression of soil by the expulsion of water from voids of the soil. It is a quick process.
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Slab on grade pours are on well compacted, water flow suitable subtrade and typically hold only a light structure. Raft foundations are typically excavated sites, whereby the entire perimeter, sides, and base are poured seamlessly together to form a raft that a heavier structure can rest on.
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Relation Between Density and Compressive Strength of Hardened Concrete. Concrete must has to ensure satisfactory compressive strength and durability. The mechanical properties of concrete are highly influenced by its density. A denser concrete generally provides higher strength and fewer amount of voids and porosity.