In the case of dormant cracks wider than about 1m, it is more economical to use ____________
A. Epoxy resin
B. Grouting
C. Tensioning
D. Ranging
Answer: Option B
Solution(By Examveda Team)
In the case of dormant cracks wider than about 1m, it is more economical to use grouting and sealing technique. This method involves enlarging the crack along its exposed face and then the crack is cleaned and grouted and the surface is then sealed with a suitable joint sealant and various other techniques widely used for repair of dormant or dead cracks include dry packing, polymer impregnation over lays and surface treatments and autogenous handling.Related Questions on Building Maintenance
Creep in concrete structure increases with:
A. Increase in humidity
B. Increase in water
C. Decrease in temperature
D. Decrease in humidity
To control corrosion, concrete with _________ is used.
A. Low permeability
B. Low thermal coefficient
C. More cement content
D. More coarse aggregates
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