Site Coordinator Interview Questions and Answers

Membrane waterproofing, PU grouting, and soil stabilization are essential for tunnel and underground structures.

• Membrane waterproofing is a technique used to prevent water ingress into underground structures. It involves the application of a waterproof membrane on the surface of the structure.

• PU grouting is a process used to seal cracks and joints in underground structures to prevent water ingress. It involves injecting polyurethane grout into the cracks and joints.

• Soil stabi...read more

Methods and materials used for structure strengthening.

• Reinforcement with steel bars or fiber-reinforced polymers

• Adding additional concrete or masonry

• Use of carbon fiber sheets or strips

• Injection of epoxy resins or grouts

• Installation of external post-tensioning systems

• Use of prestressed concrete

• Application of shotcrete or gunite

• Use of high-performance concrete

• Installation of seismic retrofitting systems

• Use of timber or composite materials for strengthening wooden structures

Various materials are used in construction, such as concrete, steel, wood, and bricks.

• Concrete is commonly used for foundations and structures

• Steel is used for framing and reinforcement

• Wood is used for framing and finishing

• Bricks are used for walls and facades