Structure-III — Winter 2025

Explain the fundamental differences between "reconstruction" and "renovation" as they apply to building projects.

Write down the key consideration while renovating of load bearing structure and frame structure separately.

Define the term ‘retrofitting’ and list the different types of retrofitting off RCC structure.

What is scaffolding? Explain with neat sketch the various components of scaffolding.

What is shoring? Explain the types of shoring with neat sketch.

What is the primary goal of renovation?

Demolition of a building (c) Building a new structure (b) Restoring or improving a structure (d) change the use of building

What is a common material used for creating shores?

Aluminium sheets (b) Bamboo sticks (c) Timber or steel (d) Plastic pipes

Which of the following materials is most commonly reused in reconstruction projects?

Concrete (b) Wood (c) Glass (d) Asbestos

Jacketing is usually done to increase:

Architectural beauty (b) Load-carrying capacity (c) Electrical resistance (d) Air flow

Which of the following is NOT a type of scaffold?

Suspended scaffold (b) Cantilever scaffold (c) Column scaffold (d) Double scaffold Page 1 of

Which type of shoring is typically used to support walls that have bulged or tilted?

Raking shores (b) Flying shores (c) Dead shores (d) Needle shores

What is the primary objective of Underpinning?

To lay a new floor (b) To replace doors and windows (c) To strengthen the foundation of an existing building (d) To build a new roof

What is the main objective of retrofitting in civil engineering?

Explain the term “underpinning” and purpose of underpinning.

Explain cantilever scaffolding with neat sketch.

Explain with neat sketch the method of jacketing for RCC column and beam.

Explain the types of cracks and state the cause behind the cracks in building. Page 2 of