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What is the primary advantage of mechanical vibration in concrete construction?
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∙ 7y ago
Close packing and compression of aggregates for maximum rigidity and strength after curing.
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What is the advantage and disadvantage of reinforced concrete beam and column?
reinforced concrete prise
What is PFC in construction?
Pre-Fabricated Cement Concrete
Is cosruction a concrete noun?
There is no word 'cosruction' in English. You may mean the noun 'construction' which can be a concrete noun or an abstract noun, depending on it's use. For example: Concrete noun: The construction was nearly complete, it just needs some finishing touches. Abstract noun: His excuse was a construction of lies.
What is the most important Roman invention in construction?
concrete, or the key stone (stone in middle of an arch construction)
What is the Method of work for Concrete Masonry Block construction?
what is the weight of concrete block work per cubic meter.
Choose an item that is not an advantage of using a mechanical screed?
allows the use of higher slump of concrete which results in stringer concrete
Define vibration of concrete and its importance?
Vibration is a process by which fully compacted concrete is achived.Importance:Prevents honeycombingPrevents segregation and bleeding of concreteExpuls air from concrete.
What has the author Paul Mondorf written?
Paul Mondorf has written: 'Concrete bridges' -- subject(s): Concrete Bridges, Design and construction, Prestressed concrete construction, Reinforced concrete construction
What has the author John George Richardson written?
John George Richardson has written: 'Formwork notebook' -- subject(s): Formwork, Concrete construction 'Concrete Craft Notebook' 'Concrete notebook' -- subject(s): Concrete construction 'Supervision of concrete construction' -- subject(s): Engineering, Management, Concrete construction
What has the author Mohsen A Issa written?
Mohsen A. Issa has written: 'Structural evaluation procedures for heavy wood truss structures' -- subject(s): Roofs, Testing, Trusses, Wooden Building 'Construction loads and vibrations' -- subject(s): Bridges, Concrete Bridges, Floors, Live loads, Reinforced concrete construction, Testing, Vibration
What are Advantage pre cast concrete slab than insitu concrete?
What are Advantage pre cast concrete slab than insitu concrete?
Why do concrete bridges deteriorate?
Older concrete bridges deteriorate because of vibration and earth movement.
What did the Romans develop to use for their construction?
The Romans were first to fully appreciate the advantages of the arch, the vault and the dome. The arch has a strong lad bearing capacity. The Etruscans invented the simple barrel arch and Pergamon invented the vault (adjacent arches which are assembled side by side) which has an even greater load bearing capacity and whose structure is also suited to support large roofs. The Romans invented segmental arch as they realised that an arch did not have to be a semicircle. The Roman used the arch to build gates, aqueducts, bridges which were much longer than before and could cross much wider rivers and valleys. The arches, especially the vault, became essential for the construction of large scale buildings. The Romans also developed a new and much stronger type of concrete which was as resistant as modern concrete and also set underwater (this enabled them to build much bigger docks for ports). However, it was not as fluid as modern concrete and had to be layered by hand. The arch, the vault and concrete were what made the construction of such a massive structure as the Colosseum possible. Concrete was also used to build domes. The Pantheon (a temple which has been turned into a church) in Rome is still the largest unreinforced concrete dome in the world. Often the Romans used a mixture of stone, brick and concrete (for the Colosseum stone and concrete were used). The Romans also used columns to build temples and porticoes. The Romans built scaffolding around what they were building. They adopted the cranes of the Greeks and massively improved on them. The simplest one was the trispastos, which had of a single-beam, a winch, a rope, and a block with three pulleys. It had had a mechanical advantage of 3:1, and single man operating the winch could raise 150 kg. The pentaspastos had five pulleys and the polyspastos had a set of three by five pulleys with two, three or four masts. The latter was worked by four men at both sides of the winch and could lift 3,000 kg. When the winch was replaced by a treadwheel, the load could be doubled to 6,000 kg with only half the crew, because the treadwheel had a larger diameter and thus a much bigger mechanical advantage.
Why use concrete for construction?
Concrete gains strength as time passes by. Moreover concrete is highly durable and economical in comparison with wood as construction material.
What has the author M D Enoch written?
M. D. Enoch has written: 'Building a concrete block garage' -- subject(s): Concrete blocks, Concrete construction, Design and construction, Garages 'Concrete for sports and play areas' -- subject(s): Concrete construction, Synthetic sporting surfaces
Is tree roots cracking the concrete foundation of a house mechanical or chemical?
This is a mechanical process.
What is the advantage of concrete?
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