Advantages of Strip Drains
• A definite amount of tensile strength is offered by strip drains though it
cannot be estimated easily
• The crane used is lighter and hence the thickness of sand blanket required
at the surface can be less
• The site remains clean and not much sand needs to be transported
• Requires less labour and time and hence economical
• There is no resistance for the flow of water once it enters the strip drains
• Additional research is being carried out to study the effect of soil smear and kinking of drains (based on experience about 25% of the drainage may be affected by kinking
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