a wall constructed of precast blocks (usually concrete) and filled with earth. holds back mass of earth or solid material.retaining-wall
The engine casing allows you to easily fit in a new motor for each flight. If you didn't have this the used motor would have to be cut out before you could fit a new one.
These are built with deep foundations with rubber shock absorbers and concrete reinforced with steel. They are designed to twist and sway, have sprinkler systems and gas cut off valves
if the concrete is not sealed its possible , it will cause the concrete to become slippery .
One of the pros of concrete versus steel in a building framework would be that it is cheaper to use concrete. One of the cons would be that it is not as safe to use concrete.
the consist of precast slabs fixed on concrete posts
unlike standard concrete which is in a liquid form and poured were it is needed and formed, precast concrete is molded offsite into the form that is required and then shipped to the site where it will be set into place.
Martin J. Gutzwiller has written: 'Use of precast, prestressed concrete for bridge decks' -- subject(s): Bridges, Floors, Precast concrete, Prestressed concrete, Testing
A. H. Gustaferro has written: 'Design for fire resistance of precast prestressed concrete' -- subject(s): Fire testing, Precast concrete, Prestressed concrete 'Fire resistance of prestressed concrete beams' -- subject(s): Concrete beams, Fire testing, Testing
Frank Lloyd Wright
becos precast girders are not cast in -site and therefore faster. they also available in standard size.
Prefabricated is a general term for anything that is assembled in a factory rather than on-site. Precast would be specifically applicable to anything that could be formed in a mold (concrete, perhaps glass, metal, etc.).
With concrete and precast concrete you can build fences, walls, concrete sound walls, pre-cast concrete perimeter walls, masonry walls, masonry screen walls and more! If you are interested in having a concrete or precast fence, perimeter, sound wall, masonry wall or masonry screen wall, then go to the links below for more information. Well you can make walls, houses, bricks and so on.
disadvantage: - require more time to construct compare to precast concrete slab -more on-site labor required - require formwork advantage: -most commonly use -do not require storage for material (e.g. precast concrete slab need place to store)
T. Koncz has written: 'Manual of precast concrete construction'
precast concrete manufactring the members of construction out site - using concret material-
Timber piles, Concrete piles, steel piles, composite piles,Driven cast in situ piles, Bored cast in situ piles, Driven precast piles, Bored precast piles,Prestressed concrete piles, under reamed Piles