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What is full prestressing?
It is the one in which tensile stresses in the concrete are entirely obviated at working loads by having sufficiently high pre-stress in the member.
What is the difference between concrete grade and concrete strength?
concrete grade and strength are both revalent since if grade increase setting time will be less and curing to be done propely so that concrete strength will reach higher. If concrete grade is low curing to done longer days upto intial setting time to reach proper strength
What is the difference between concrete grade C35 and C35A?
The main difference between concrete grade C35 and C35A lies in their composition. C35 concrete is a standard concrete mix with a minimum strength of 35 megapascals (MPa), while C35A concrete is a special mix that includes air-entraining agents to improve workability and durability. The inclusion of air-entraining agents in C35A helps to increase the concrete's resistance to freeze-thaw cycles and reduce the risk of cracking. Overall, C35A is more suitable for applications where improved durability and workability are required.
How soon can concrete be sealed?
You should wait a minimum of 28 days before you seal concrete. If you pour your concrete in summer, than a minimum of 14 days is acceptable. If you seal concrete any quicker, there is a chance moisture will be trapped inside.
What is the ratio of Grade 15 concrete?
A lot
What is the definition of post tensioned concrete?
Post tensioning is the prestressing of a concrete member by tensioning the reinforcing tendons after the concrete has set
What has the author A S Safier written?
A. S. Safier has written: 'The application of prestressing to improve the stability of precast concrete structures'
What is full prestressing?
It is the one in which tensile stresses in the concrete are entirely obviated at working loads by having sufficiently high pre-stress in the member.
What has the author Eric Humphrey Cooley written?
Eric Humphrey Cooley has written: 'Friction in post-tensioned prestressing systems' -- subject(s): Prestressed concrete
What grade of concrete is laid for bed of foundation?
Full basement is the grade of concrete that is laid for foundation.
What has the author Hong Shik Kim written?
Hong Shik Kim has written: 'An investigation of prestressing steel beams' -- subject(s): Steel bars, Reinforcing bars, Prestressed concrete
What is the maximum and minimum curing time of concrete?
minimum curing period of concrete is 21 days and maximum is 28 days
What is the difference between concrete grade and concrete strength?
concrete grade and strength are both revalent since if grade increase setting time will be less and curing to be done propely so that concrete strength will reach higher. If concrete grade is low curing to done longer days upto intial setting time to reach proper strength
What is C30 grade of concrete?
The grade of the concrete means the concrete compression resistance after 28 days. It is done in Newtons per square millimetre. A concrete of Grade C30 means that the concrete will have a compresion resistance (withstanding a compression) of 30 N/mm2 per square millimetre in 28 days.
Which purpose you are using M30 grade concrete?
we use M30 grade concrete commercial slabs like shopping malls . college buildings
What is the difference between concrete grade C35 and C35A?
The main difference between concrete grade C35 and C35A lies in their composition. C35 concrete is a standard concrete mix with a minimum strength of 35 megapascals (MPa), while C35A concrete is a special mix that includes air-entraining agents to improve workability and durability. The inclusion of air-entraining agents in C35A helps to increase the concrete's resistance to freeze-thaw cycles and reduce the risk of cracking. Overall, C35A is more suitable for applications where improved durability and workability are required.
How soon can concrete be sealed?
You should wait a minimum of 28 days before you seal concrete. If you pour your concrete in summer, than a minimum of 14 days is acceptable. If you seal concrete any quicker, there is a chance moisture will be trapped inside.
