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.

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

what is the relation between pitch of steel and depth of slab?

1 Answers   RBI,

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2 Answers  

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how much of the strength comes from post-production curing

1 Answers  

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what are the ffactors you considered choosing the course?

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1 Answers   National Construction Authority,

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11 Answers   Arabtec,

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2 Answers  

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1 Answers   Bechtel,

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1 Answers  

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1 Answers   SP Singla,

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1 Answers   IOCL,

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