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

test 2 - pojęcia

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