test 2 - pojęcia

 0    57 Datenblatt    magdalenaszewczyk4
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sand used in concrete
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fine aggregate
mixing concrete accurately
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batching
concrete which is preconditioned to improve its tensile strenght; before concrete is poured, tension is applied to the reinforcing bars
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prestressed concrete
effective structural capability of concrete
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28-day strenght
different types of chemical put on concrete
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additives
makes drier concrete easier to work with
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plasticizer
concrete elements which are cast at factory and transported to a site for installation
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precast
concrete can be poured; it can be also...
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cast or placed
a steel bar that is placed in concrete to increase its tensile strenght. It is normally manufactured from carbon steel
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reinforcing bar/rebar
a very large rock or piece of stone
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boulder
a place where stone is dug out of the ground
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quarry
small pieces of stone used for making paths and roads
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gravel
limestone which is mined at a quarry, crushed and temporarily stored in blending beds (in the production of cement)
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raw meal
a type of oven used for baking clay, bricks, etc. to make them hard
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kiln
cement clinker is a solid material produced in the manufacture of Portland cement as an intermediary product
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clinker
w type of white of grey stone containing calcium, used for building, and making cement
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limestone
a white chemical element that is an important part of bones and teeth and is found in some types of rock
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calcium
a hard heavy metal that is a common element. It is used for making steel and is also used in many types of machine and building structures
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iron
a soft white substance used for making plaster
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gypsum
a light silver-coloured metal that is used for making things such as pans for cooking
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aluminium
describes metal or rock that is in liquid state because of great heat
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molten
a type of very hard rock that has a pattern of lines going through it, feels cold, and can be polished to become smooth and shiny
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marble
a container that is heated to a very high temperature, so that substances that are put inside it, such as metal, will melt or burn
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furnace
having the shape of a hollow tube
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cylindrical
to join together again
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recombine
a part that combines with other parts to form something bigger
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component
to break something into very small pieces or powder, by using a machine or by crushing it between two hard surfaces
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grind, ground
to make something stick together in solid mass
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bind, bound
to join with another substance to form a mixture
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blend
send or small stones used for making concrete
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aggregate
a chemical reaction in which the major compounds in cement form chemical bonds with water molecules and become hydrates or hydration products
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hydration
powder that enables concrete to set
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cement
concrete which contains steel bars to improve its tensile strenght
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reinforced concrete
moulds of the required size and shape, made from steel or timber, which are used to contain the concrete until it has set
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formwork/shuttering
gravel used in concrete
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coarse aggregate
allows concrete to stay wet for longer
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retarder
concrete that is poured on-site in its final position
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in-situ concrete
affects the wetness and strenght of concrete
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water-cement ratio
specification of concrete ingredients
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mix design
concrete in which the tension is applied to the reinforcing bars after the concrete has set
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post-tensioned concrete
provide a cure for, make healthy
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heal
empty inside
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hollow
to inject; to fill something or someone with
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infuse
pass gradually or leak through small openings
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seep
CaCO3
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calcium carbonate
inactive, sleeping
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dormant
the pressure that is put on something when a physical force stretches, pushes, or pulls something
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strain
to make something happen; the reason why something happens
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cause
to go into or through something
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penetrate
an increase in the density of something
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densification
the simplest and smallest forms of life; they exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause disease
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bacterium
overcrowding
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congestion
the fact of something happening or existingth
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occurrence
the act of making something stronger
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reinforcement
a small hard hall of any substance, often of soft material that has become hard
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pellet
chemical substance that an organism needs to sustain life
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nutrient
a line on the surface of sth along which it has split without breaking into separate parts
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crack

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