Example of Foundation depth and arrangement:

For example, if the maximum discharge of a river is 1000 cu m per sec, and the silt factor is 0.60, the maximum scour depth is :

D = 0.473 (1000) ^1/3/f^{1/ 3}

= 0.473 × 9.98 ^1/3/0.84

= 5.62 m

The depth of the foundation below the high flood level is then 1.33 × 5.62 = 7.47 or 7.5 m.

The well foundation consists of:

(a) well curb with cutting edge

(b) well steining

(c) bottom plug

(d) sand filling

(e) top plug

(f) well cap

A typical arrangement of a well foundation is given in Figure.

Figure: Details of Well Foundation

Posted Date: 1/22/2013 6:54:32 AM | Location : United States

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