ByB Sravani
Posted on Before getting straight to the topic, let’s have a small discussion regarding aggregates. Did you ever wonder, why aggregates are typically used in construction and engineering projects? Have you asked yourself why is it necessary to use aggregates and what is their importance? What happens if at all aggregates are not available in a particular…
ByN Lavanya
Posted on RCC stands for reinforced cement concrete, which means that concrete is reinforced with steel bars to increase its strength and durability. Concrete is strong in compression while a minimum longitudinal reinforcement is provided in the column to assist tensile stress. Column is an important component of RC structure. It may be defined as a member…
ByPalla Sridhar
Posted on
Tests on aggregates ensure quality in civil engineering projects like concrete and roads. Aggregate testing in civil engineering covers physical and mechanical properties of aggregates, durability tests on aggregates, and more. This 2026 guide classifies tests, details procedures, limits, and selection tips per IS 2386 aggregate test methods. Essential for students and practitioners selecting road…
ByB Sravani
Posted on Specific gravity is defined as the ratio of weight of the aggregate to the weight of an equal volume of water at a specified temperature. Procedure Where, A = Weight in gm of the saturated aggregate in water (A1- A2) B = Weight in gm of the saturated surface dry aggregate in air C =…
ByB Sravani
Posted on Flakiness index is defined as the percentage by weight of the particles in it whose thickness is less than three- fifths (0.6 times) of their mean dimension. Flakiness index test Procedure Dimensions of thickness and length gauge FLAKINESS INDEX Elongation Index test Elongation index is defined as the percentage by weight of the particles in…
ByB Sravani
Posted on Procedure (Los Angeles Abrasion test) Specified Abrasive Charge Note The percentage of wear should not be more than 16% for concrete aggregates.
ByB Sravani
Posted on Procedure Aggregate Impact Value (AIV) = B/A x 100 Where B = weight of aggregate passing through 2.36 mm sieve A = weight of the oven – dried sample Note AIV should not be more than 45% for use in concrete other than wearing surfaces, and 30% for concrete used for wearing surfaces such as…
ByB Sravani
Posted on Procedure Aggregate crushing value (ACV) = B/A x 100 Where B = weight of aggregate passing through 2.36 mm sieve A = weight of the surface dry sample taken in mould Note ACV should not be more than 45% for use in concrete other than wearing surfaces, and 30% for concrete used for wearing surfaces…
ByB Sravani
Posted on Aggregate sieve analysis test is a method of determining the particle size distribution of aggregate samples in concrete technology practice. It is used to classify into different groups based on their grain size and shape. Sieve analysis of coarse aggregate is a crucial process in determining the particle size distribution and quality of aggregates used…
Design of columns necessitates the calculation of loads from the entire structure that are going to be transferred to the footing or to the soil surface. It stands as a critical component in ensuring the structural integrity and stability of buildings, bridges, and other infrastructure. As the backbone of any construction project, columns play a pivotal…
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