B. G. Shirke Construction Technology Junior Engineer Interview Questions and Answers for Experienced

Diaphragm walls are used to create a barrier while retaining walls are used to hold back soil.

• Diaphragm walls are underground walls that are used to create a barrier to prevent water from entering a construction site.

• Retaining walls are used to hold back soil and prevent it from sliding or eroding.

• Diaphragm walls are typically made of reinforced concrete and are used in deep excavations.

• Retaining walls can be made of v...read more

Plywood, steel, aluminum, and plastic are commonly used materials for shuttering.

• Plywood is the most commonly used material for shuttering due to its durability and affordability.

• Steel is used for heavy-duty construction projects as it can withstand high pressure and weight.

• Aluminum is lightweight and easy to handle, making it ideal for small-scale projects.

• Plastic is a cost-effective option for simple construction pro...read more

Calculate the bbs of a 4x3m footing with d=300mm and 12mm dia steel.

• Calculate the total length of steel required

• Determine the spacing between the bars

• Prepare a detailed bar bending schedule

To calculate the quantity of concrete for trapezoidal footing, we need to use the formula for volume of a trapezoidal prism.

• Measure the length, width, and height of the trapezoidal footing

• Calculate the area of the trapezoidal base using the formula (a+b)/2 * h

• Calculate the volume of the trapezoidal prism using the formula area of base * height

• Multiply the volume by the number of trapezoidal footings needed

• Add an additi

The process of making a minor bridge involves planning, design, construction, and inspection.

• 1. Planning phase involves determining the location, size, and type of bridge needed.

• 2. Design phase includes creating detailed drawings and calculations for the bridge structure.

• 3. Construction phase involves building the foundation, supports, and deck of the bridge.

• 4. Inspection phase ensures the bridge meets safety and quali...read more

Piling point can be assured by conducting thorough soil investigation, using appropriate piling equipment, and monitoring the piling process.

• Conduct soil investigation to determine soil conditions and suitability for piling.

• Select appropriate piling equipment based on soil conditions and project requirements.

• Monitor the piling process to ensure proper installation and alignment of piles.

• Perform load tests on completed

The execution of an elevated viaduct involves various tasks such as pile foundation, pier construction, post-tensioning girders, and bridge structures.

• Tasks include pile foundation construction for the viaduct, pier construction for support, post-tensioning of girders for strength, and bridge structure assembly.

• Activities also involve conducting load tests, NDT tests, deflection tests, and steel reconciliation for qual...read more