Construction Defects in Building - Civil Engineering Blog

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Friday, September 5, 2014

Construction Defects in Building


Construction defect in building are seen in most of the age old buildings as well as the new ones. This happens for the lack of proper supervision during building construction. So it is always better to take help from a technical person constantly. These can be avoided if we become aware of such defects.Construction Defect in Building

Generally, four types of defect in building is found mostly. These construction defects in building can suffer the inhabitants for a long time after the completion of the structure.


Hair Cracks

Hair cracks are very familiar but they are harmless. Pure curing is responsible for this sort of defects. 



Wall Cracks
Wall cracks may happen due to soil pressure which is increased in rainy season due to bulking of moist soil and decreases during winter due to shrinkage. Wall cracks may also occur due to uneven settlement of foundation. This may be harmful.

 Construction Defects in Building 5620351 f260
 Repair with grouting is necessary. Severe settlement cracks may need under pining. 

Roof Crack
Roof cracks are of two kinds. One occurs in corner due to faulty corner reinforcement and the other occurs at the middle of the slab due to excessive tension. Another type occurs below P.V.C. concealed conduit.

Construction Defects in Building a

Solve:


 The P.V.C. concealed conduits be placed over rods. Even extra pieces of rod may be provided perpendicular to the conduit in the bottom position. Concrete should cover correctly 3/4 inch in slabs. DampnessIt is one of the most seen construction defects in building. Dampness causes serious damage to walls and floors. Concealed water pipes also causes serious dampness which is very bad for the structure.

Construction Defects in Building 5620584 f520
Dampness due to concealed waterSeriously Damped Roof

Construction Defects in Building 5620590 f260
Roof Dampness
Solve:
Walls should be furnished with D.P.C. and ground floor should be cast over 2 inches stone chips and 3/4 inch pipes may be inserted in the floor bottom to arrest moisture. The concealed water pipes should be repaired by breaking the wall and re-plastered.Lastly, defect in building may not be eliminated completely but it can be controlled for ensuring durability of the structure. Proper guidance should be taken from a person who is experienced in this section can help a structure to increase its durability by reducing building defects or cracks.

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