KEC International Structural Engineer Interview Questions and Answers

IS 2911 is the Indian Standard code for design and construction of pile foundations.

• IS 2911 is the code for design and construction of pile foundations in India.

• It covers various types of piles including driven piles, bored cast-in-situ piles, etc.

• The code provides guidelines for the design, materials, construction, and testing of piles.

• It ensures the safety and stability of structures supported by piles.

• Example: IS 29...read more

The density of bentonite during piling is typically around 1.0 to 1.2 g/cm^3.

• The density of bentonite can vary depending on the specific type and concentration used.

• Higher density bentonite is often preferred for better support during piling operations.

• Typical range of density for bentonite during piling is 1.0 to 1.2 g/cm^3.

Shear key is a device used to transfer shear forces between two components in a structure.

• Shear keys are typically used in construction joints to prevent sliding between adjacent components.

• They are designed to resist horizontal forces and ensure stability.

• Shear keys can be found in structures such as bridges, buildings, and dams.

• Examples include shear keys in bridge expansion joints to prevent movement between bridge

Columns are vertical structural members that support loads, while beams are horizontal members that transfer loads to columns or walls.

• Columns are vertical and primarily support compressive loads.

• Beams are horizontal and primarily support bending loads.

• Columns are typically taller than they are wide, while beams are typically wider than they are tall.

• Examples: In a building, columns support the weight of the floors abo...read more

The height of Tremie pipe from pile founding level during concrete should be maintained at a certain level to ensure proper placement of concrete.

• The Tremie pipe should typically be kept at a height of 1-2 meters above the pile founding level to prevent segregation of concrete.

• Maintaining the correct height ensures that the concrete flows smoothly through the pipe and fills the pile without any gaps or voids.

• Adjustment...read more

Various codes are used in structural engineering to ensure safety and compliance with regulations.

• International Building Code (IBC)

• American Society of Civil Engineers (ASCE) standards

• American Concrete Institute (ACI) standards

• American Institute of Steel Construction (AISC) standards

• Eurocode

• National Building Code of Canada (NBCC)

Bearings in bridges help distribute loads and allow for movement due to temperature changes and seismic activity.

• Bearings help distribute the loads from the bridge deck to the substructure, reducing stress on the bridge components.

• Bearings allow for movement of the bridge deck due to temperature changes, seismic activity, and other factors.

• Different types of bearings include elastomeric bearings, pot bearings, and slid...read more

The formula used to calculate the elongation of PSC Girder is based on the modulus of elasticity and the change in length.

• The formula for calculating elongation is: Elongation = (Load x Length) / (Modulus of Elasticity x Area)

• Modulus of Elasticity is a measure of a material's stiffness and is specific to the material used in the PSC Girder

• The change in length is the difference between the original length and the length...read more

The process of making PSC girder involves preparing the concrete mix, casting the girder in a formwork, curing, and testing for quality.

• Prepare the concrete mix with a specific ratio of cement, aggregates, and water.

• Pour the mix into a formwork that is designed to the shape and size of the girder.

• Place prestressed steel strands or bars in the formwork before pouring the concrete to provide strength.

• Cure the girder by m...read more

Socketing length in pile refers to the length of the pile that is embedded into the rock or hard strata to provide additional support and stability.

• Socketing length is determined based on the strength and stability of the rock or strata at the pile tip.

• It helps in transferring the load from the pile to the rock or hard strata, increasing the overall capacity of the pile.

• Socketing length can vary depending on the site c...read more

Interview questions for Structural Engineer

• For irregular shape, find volume and multiply by unit weight to get weight. Divide moment of each part by total weight to get COG.

• To calculate force required for COG shift, use moment equation. Sum of moments about any point should be equal to zero.

• For SFD and BMD, use equations of equilibrium and moment. Draw free body diagram to show all forces acting on the portal.

• Understan...read more

Barge and lifting analysis involves determining the support conditions and lifting factors for equipment on a barge.

• Barge and lifting analysis is used to ensure that equipment on a barge is properly supported and can be safely lifted.

• The procedure involves analyzing the support conditions of the barge and the equipment, as well as determining the lifting factors required to safely lift the equipment.

• Various factors mus...read more

Base plate design involves determining the size, thickness, and material of the plate to support the structural load.

• Consider the load requirements and dimensions of the column being supported

• Calculate the required thickness and size of the base plate based on the load

• Select a suitable material for the base plate, such as steel or concrete

• Ensure proper anchorage and connection details for the base plate

A base plate connection is a structural element used to connect a steel column to a concrete foundation.

• Base plate connections are typically used in steel structures to transfer loads from the column to the foundation.

• The base plate is usually welded to the bottom of the column and anchored to the concrete foundation using anchor bolts.

• The base plate connection design must consider factors such as load transfer, bendin...read more