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The size of steel used for columns depends on the load it needs to support and the height of the column.
The size of steel columns is typically specified by their dimensions in terms of width, depth, and thickness.
The size of steel columns can also be determined based on the structural design calculations and building codes.
Common sizes for steel columns include W6x9, W8x10, and W10x12, where the first number represents...
Development bars length refers to the length of reinforcement bars used in construction to provide strength and stability.
Development bars length is determined based on structural design requirements.
It is important to follow the specifications provided by the structural engineer.
The length of development bars can vary depending on the type of structure and load requirements.
Proper placement and anchoring of developmen
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I appeared for an interview in Aug 2019.
There are various types of structures, including buildings, bridges, dams, tunnels, and towers.
Structures can be classified based on their purpose, design, and materials used.
Buildings can be further classified into residential, commercial, and industrial structures.
Bridges can be classified into beam, arch, suspension, and cable-stayed bridges.
Dams can be classified into gravity, arch, buttress, and embankment dams.
Tu...
Density is the measure of mass per unit volume of a substance.
It is a physical property of matter.
It is calculated by dividing the mass of a substance by its volume.
Units of density include kg/m³, g/cm³, and lb/ft³.
Density can be used to identify substances and determine their purity.
For example, gold has a density of 19.3 g/cm³, while aluminum has a density of 2.7 g/cm³.
There are two types of density construction: compacted and loose.
Compacted density construction involves compressing the material to increase its density, such as in road construction.
Loose density construction involves leaving the material in its natural state, such as in landscaping.
The type of density construction used depends on the intended use of the material and the desired level of compaction.
Other factors that...
Tests for construction joints include visual inspection, water tightness test, and load transfer test.
Visual inspection to check for proper joint alignment and sealant application
Water tightness test to ensure no water leakage through the joint
Load transfer test to verify the joint can handle the intended load
Other tests may include pull-out test, shear test, and compression test
Testing frequency and methods may vary d...
posted on 20 Dec 2020
posted on 28 Dec 2021
I applied via Company Website and was interviewed before Dec 2020. There were 3 interview rounds.
Initial setting time of cement is the time taken by cement to harden and attain a particular strength.
Initial setting time is determined by Vicat apparatus
It is the time taken for the cement to lose its plasticity and become hard
The standard initial setting time for ordinary Portland cement is 30 minutes
Factors affecting initial setting time include temperature, water-cement ratio, and type of cement
The elongation % of steel fy 500 is approximately 12%.
Elongation % is the measure of ductility of a material.
It is the percentage increase in length of a material before it fractures under tension.
For steel fy 500, the elongation % is approximately 12%.
This means that the steel can stretch up to 12% of its original length before it breaks.
The amount of cement required for 1 cubic meter varies depending on the concrete mix design.
The amount of cement needed for 1 cubic meter of concrete varies from 250kg to 600kg depending on the mix design.
The mix design specifies the ratio of cement to other materials like sand and aggregates.
For example, a mix design of 1:2:4 requires 400kg of cement per cubic meter of concrete.
It is important to accurately calculate ...
Density of materials: Steel - 7850 kg/m3, Concrete - 2400 kg/m3, Sand - 1600 kg/m3
Density of steel is higher than that of concrete and sand
Density of concrete varies depending on the mix design
Density of sand can vary depending on the source and moisture content
posted on 29 Jan 2021
posted on 23 Dec 2022
I applied via Walk-in and was interviewed in Aug 2022. There were 2 interview rounds.
posted on 13 Jul 2023
The size of a concrete cube is typically 150mm x 150mm x 150mm for standard testing purposes.
Standard size for concrete cube is 150mm x 150mm x 150mm
Used for testing the compressive strength of concrete
Other sizes may be used for specific projects or requirements
posted on 30 Aug 2021
I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.
posted on 12 Sep 2021
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