KANTI PRASAD MITTAL INFRA Interview Questions and Answers

Rolling temperature of DBM is the temperature at which the bituminous mix is compacted during construction.

• DBM stands for Dense Bituminous Macadam.

• Rolling temperature of DBM is typically between 110-130°C.

• The temperature is important for achieving proper compaction and density of the mix.

• If the temperature is too low, the mix may not compact properly and if it's too high, it may cause the mix to break down.

• The rolling ...read more

Reconciliation is the process of verifying the quantity and quality of materials used in construction.

• Reconciliation ensures that the actual quantity of materials used matches the quantity specified in the design.

• It also ensures that the quality of materials used meets the required standards.

• Murrum, GSB, WMM, DBM, and BC are different types of materials used in road construction.

• Reconciliation of these materials involv...read more

IS code 1641 for flexible pavement and IS code 456 for rigid pavement.

• IS code 1641 is for the design and construction of flexible pavement using bitumen, tar, or asphalt.

• IS code 456 is for the design and construction of rigid pavement using concrete or reinforced concrete.

• Both codes provide guidelines for materials, design, construction, and maintenance of pavements.

• These codes are important for ensuring the durability...read more