bamboo poles
bamboo poles , Also known as wedge piles. The type of pile is suspended in the bad soil, the main support is the friction of the pile and the soil tightening effect.
Using fresh bamboo, old, male type, choose the original diameter 90-100, length 150-1500, tapered nose pile. Usually 20-25 piles / m2.
Bamboo piles must be placed in damp soil, below ground level. If the ground is dry, bamboo will soon be destroyed.