Why is loose concrete removed from the surface where new concrete is to be done?
Answer Posted / 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 View All Answers
What is the density of DLC & PQC and how it is differ from normal concrete?
In tower foundation, on the time of 3 mtr pit RCC casting if water and mud is their surface of PCC then what will be do?
What is the cost of formwork for columns/beams/rcc walls also what is the cost of shuttering for roof slab at height of 25 feet
what should be RCC material i.e iron rod(mm)x cement x stone x sand for laying of slab L 42'x B 22'x tk 0.375ft = 1nos & column of H 17'x15"x8" 2nos.
What are the responsibilities of a construction manager?
how much quantity of 1.5" nails and 2.5" nails are required for conventional formwork shuttering?
what is column foundation
types of piles detail,
Gidc technical que paper
PL.tell me about civil engineering questions with answer
foundation details for 25 ton weight Furnace on 2 supports and 2 tilters
we want build 10ft height ,tostore 4 litresof water.what is theground basement for steel andcement andsand.please send us basment calculation?
What is difference between code and standard and specification?
Volume of 25kg putty bag & 40 kg putty bag volume??
HOW SOON CAN YOU TRAVEL DON TO ANY LOCATION POSTED U?