Aggregates play an important role in the construction sector and can be used for different projects. Aggregates are an important element in the making of concrete and offer several benefits. Their primary use is to strengthen concrete, strengthening its structure and thus minimizing instances of cracks.
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1. Give the impact value of a good aggregate to ensure the strength of the. aggregate used in road construction. -Aggregate impact value is measure of toughness of aggregate. Toughness is the property of material which indicate its capacity which impact in sudden. Tougher the aggregate more suitable for wearing surface such as road surface.
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Answer: The grading or size distribution of aggregate is an important characteristic because it determines the paste requirement for workable concrete. This paste requirement is the factor controlling the cost, since cement is the most expensive component.
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Aggregates Definition
Concrete Ingredients – Coarse and Fine Aggregate: Most important concrete ingredients aggregates play an essential role to establish the properties of concrete such as water-cement ratio, cohesiveness and workability of concrete in plastic stage, while they affect compressive strength, density, durability, permeability in the hardened stage.
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Construction aggregate is a broad category of granular raw material of different sizes (sand, gravel, crushed stone, slag, recycled concrete etc) used in construction. Uses of aggregate in civil engineering include the following: Also See: Types of Aggregates. Uses of Aggregates. Aggregate can be used in a number of ways in construction.
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Answer (1 of 2): Specific gravity of an aggregate is basic prime value for any type of road construction. Specific gravity is density of any material with respect to standard material.
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The aggregate impact value test is carried out to know the response of aggregates to different kinds of loads that the aggregates will be subjected to during their service life. Finding out the impact resistance of aggregate is important because, during service life, the aggregates will be actually subjected to this type of load.
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12. Crushing value of aggregate. Determination of the crushing value of an aggregate is helpful to find the compressive strength of the aggregate, whether it is suitable for the concrete work or not. One of the important properties of aggregates affects the overall strength of the structure. 13. Impact value of aggregate
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This property helps in a general identification of aggregates. The specific gravity of aggregates normally used in construction ranges from about 2.5 to 3.0 with an average value of about 2.68. Specific gravity influences the concrete mix in the following ways: 1. Specific Gravity of Aggregates Affects Concrete Volume.
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Cement is very important building materials used in the construction industry. It was just 188 years ago that cement as we know it today was developed. Joseph Aspdin of England first patented the manufacture of a very improvised type of cementitious material for building construction in 1824.
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Aggregates are available in nature in different sizes. The size of aggregate used may be related to the mix proportions, type of work etc. the size distribution of aggregates is called grading of aggregates. Following are the classification of aggregates based on size: Aggregates are classified into 2 types according to size. Fine aggregate
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Although aggregates are most commonly known to be inert filler in concrete, the different properties of aggregate have a large impact on the strength, durability, workability, and economy of concrete. These different properties of aggregate allow designers and contractors the most flexibility to meet their design and construction requirements.
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Aggregate having AIV % equal or greater than 35 % is considered bad to use in road construction. PURPOSE OF TEST: Aggregate Impact Value test determines the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact.
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This property helps in a general identification of aggregates. The specific gravity of aggregates normally used in construction ranges from about 2.5 to 3.0 with an average value of about 2.68. Specific gravity influences the concrete mix in the following ways: 1. Specific Gravity of Aggregates Affects Concrete Volume.
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Aggregate having AIV % equal or greater than 35 % is considered bad to use in road construction. PURPOSE OF TEST: Aggregate Impact Value test determines the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact.
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The aggregate impact value test is carried out to know the response of aggregates to different kinds of loads that the aggregates will be subjected to during their service life. Finding out the impact resistance of aggregate is important because, during service life, the aggregates will be actually subjected to this type of load.
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Cement is very important building materials used in the construction industry. It was just 188 years ago that cement as we know it today was developed. Joseph Aspdin of England first patented the manufacture of a very improvised type of cementitious material for building construction in 1824.
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Crushing Value Test of Aggregates – Importance, Procedure, and Standard limits. The aggregate crushing value test on coarse aggregates gives a relative measure of an aggregate under a gradually applied compressive load. It is a numerical index of the strength of the aggregates. This test is helpful in the construction of roads and pavements.
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The importance of using the right type and quality of aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete’s freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates
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The importance of geology in civil engineering may be briefly outlined as follows: Geology provides a systematic study of the structure and properties of construction materials and their occurrence. The civil engineers need to know the properties of rocks accurately to enable them to consider different rocks for any required purpose that is as
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Although aggregates are most commonly known to be inert filler in concrete, the different properties of aggregate have a large impact on the strength, durability, workability, and economy of concrete. These different properties of aggregate allow designers and contractors the most flexibility to meet their design and construction requirements.
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Aggregates are the most basic material used in construction. They provide the foundation for roads, bridges, and buildings, while also making up over 90% of an asphalt pavement and up to 80% of a concrete mix. On average, 38,000 tons of aggregates are necessary to construct one lane mile of interstate highway.
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The importance of using the right type and quality of aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete’s freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates
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12. Crushing value of aggregate. Determination of the crushing value of an aggregate is helpful to find the compressive strength of the aggregate, whether it is suitable for the concrete work or not. One of the important properties of aggregates affects the overall strength of the structure. 13. Impact value of aggregate
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The importance of using the right type and quality of aggregates cannot be overemphasized. The fine and coarse aggregates generally occupy 60% to 75% of the concrete volume (70% to 85% by mass) and strongly influ-ence the concrete’s freshly mixed and hardened proper-ties, mixture proportions, and economy. Fine aggregates
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This property helps in a general identification of aggregates. The specific gravity of aggregates normally used in construction ranges from about 2.5 to 3.0 with an average value of about 2.68. Specific gravity influences the concrete mix in the following ways: 1. Specific Gravity of Aggregates Affects Concrete Volume.
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In cement, aggregate occupies the majority of volume in concrete. When you mix in aggregates, it is what pastes together the cement. It is also what changes the look and feel of the surface. The aesthetic of aggregates affects the concretes’ countertop. Moreover, the size and gradation of aggregate are important.
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Answer: The grading or size distribution of aggregate is an important characteristic because it determines the paste requirement for workable concrete. This paste requirement is the factor controlling the cost, since cement is the most expensive component.
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Aggregates Definition
Concrete Ingredients – Coarse and Fine Aggregate: Most important concrete ingredients aggregates play an essential role to establish the properties of concrete such as water-cement ratio, cohesiveness and workability of concrete in plastic stage, while they affect compressive strength, density, durability, permeability in the hardened stage.
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Construction aggregate is a broad category of granular raw material of different sizes (sand, gravel, crushed stone, slag, recycled concrete etc) used in construction. Uses of aggregate in civil engineering include the following: Also See: Types of Aggregates. Uses of Aggregates. Aggregate can be used in a number of ways in construction.
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