While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful :
Options
A. pile formation
B. raft foundation
C. grillage foundation
D. none of these.
Correct Answer
raft foundation
Building Construction problems
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1. The bearing capacity of a water logged soil, may be improved by
3. Two columns 50 cm x 50 cm and 60 cm x 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:
Options
A. distance of C.G. of the loads from the smaller column = 3.00 m