Boulder Spur: In this type of spur, boulders are enclosed in G.I wire net in circular shape. The boulder should be heavy, varying from 30 kg to 50 kg and the wire net should be made of 4 mm diameter G.I wires. It is laid from the river bank towards the bed making an angle of 60o -75o with the bank. This type of spur is recommended for the rivers where velocity of flow is very high. - Study24x7
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01 Jan 1970 05:30 AM study24x7 study24x7

Boulder Spur: In this type of spur, boulders are enclosed in G.I wire net in circular shape. The boulder should be heavy, varying from 30 kg to 50 kg and the wire net should be made of 4 mm diameter G.I wires. It is laid from the river bank towards the bed making an angle of 60o ...

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