Why is loose concrete removed from the surface where new concrete is to be done?




Answers were Sorted based on User's Feedback



Why is loose concrete removed from the surface where new concrete is to be done?..

Answer / amaregouda

To avoid the formation of micro cracks in construction joint and as well as to provide a proper bond between old and new surfaces.Usage of bonding chemicals is advised like nitto bond.

Is This Answer Correct ?    8 Yes 0 No

Why is loose concrete removed from the surface where new concrete is to be done?..

Answer / piyush singh

Loose Concrete and Laitance is removed from the old surface of the concrete and in some cases Chemicals are also used such as Fosroc Nitobond Ep and others , so that a proper bond exists between the old and new concrete and any micro pores does not remains in the concrete which may lead to the leakage

Is This Answer Correct ?    2 Yes 0 No

Post New Answer




More Civil Engineering Interview Questions

Give open excavation details of Building.

2 Answers  


what is the mixing ratio of the cement mortar for tiles fixing in floor tiles?

5 Answers   NLC, Prakash Engineers,


what is difference between open and well foundation ?

2 Answers  


What is the quantity of metal 1 & metal 2 to be used in 100 cft concrete?

0 Answers  


what r remedies taken for foundation in black cotton soils..??

1 Answers  






what is mix design of sand cement and and aggrigate of M10 M20 M25..

2 Answers   MNC,


describe about Hollow bricks? where the hollow brick "ll use& what"s the purpose?

1 Answers   Jaypee, BTL Infra,


What are Standard weights for concete of gradeM10,M15,M20,M25,M30 Etc.

1 Answers  


Which IS code is saying the detail of deshuttering period?

3 Answers  


IS code for Rolling Margin of steel

0 Answers  


WHAT THREE SPECFIC JOB POSITIONS TO YOU TARGET FROM THE COMPANY?

0 Answers  


test procedure of fly ash bricks as per code

2 Answers   L&T,






Categories
  • Civil Engineering Interview Questions Civil Engineering (4645)
  • Mechanical Engineering Interview Questions Mechanical Engineering (3704)
  • Electrical Engineering Interview Questions Electrical Engineering (15785)
  • Electronics Communications Interview Questions Electronics Communications (2638)
  • Chemical Engineering Interview Questions Chemical Engineering (762)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (79)
  • Bio Engineering Interview Questions Bio Engineering (30)
  • Metallurgy Interview Questions Metallurgy (95)
  • Industrial Engineering Interview Questions Industrial Engineering (199)
  • Instrumentation Interview Questions Instrumentation (2882)
  • Automobile Engineering Interview Questions Automobile Engineering (171)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (41)
  • Marine Engineering Interview Questions Marine Engineering (62)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Engineering AllOther Interview Questions Engineering AllOther (1336)