Ravi Infrabuild Projects Interview Questions and Answers

Subgrade thickness of 500mm is used for stability and durability of the road.

• Provides adequate support to the pavement layers

• Reduces the risk of settlement and deformation

• Improves the overall performance and longevity of the road

• May vary depending on soil type and traffic volume

• Commonly used in road construction standards worldwide

CTB is used in flexible pavement for stabilization and to improve strength and durability.

• CTB stands for Cement Treated Base

• It is used to stabilize the subgrade and improve the strength of the pavement

• CTB helps to reduce the amount of deformation and cracking in the pavement

• It also improves the durability of the pavement by reducing the effects of moisture and freeze-thaw cycles

• CTB is commonly used in areas with poor s

A culvert is a structure that allows water to flow under a road, railway, or other obstruction.

• Culverts are typically made of concrete, steel, or plastic.

• They are used to prevent flooding by directing water away from roads and structures.

• Culverts can be round, rectangular, or elliptical in shape.

• They are designed to handle specific flow rates and water volumes.

• Examples of culverts include box culverts, pipe culverts, a

In shuttering work of a structure, we should check for proper alignment, adequate support, and quality of materials.

• Check if the shuttering is aligned properly to ensure accurate dimensions and shape of the structure.

• Ensure that the shuttering is adequately supported to prevent any collapse or deformation during concrete pouring.

• Inspect the quality of materials used for shuttering, such as plywood or steel, to ensure t...read more

BBS is based on IS 2502:1963 code.

• BBS stands for Bar Bending Schedule.

• IS 2502:1963 is the Indian Standard Code of Practice for Bending and Fixing of Bars for Concrete Reinforcement.

• It provides guidelines for the preparation of bar bending schedules for RCC work.

• BBS is used to determine the quantity of steel required for a given RCC structure.

• It helps in reducing wastage of steel and ensures proper reinforcement in the