Soil liquefaction is one of the most dramatic and destructive geotechnical phenomena associated with earthquake shaking. During a significant seismic event, loose, saturated sandy soils can rapidly lose their strength and stiffness, behaving temporarily…
Not all ground is suitable for construction in its natural state. Soft clays, loose sands, peats, organic soils, collapsible fills and contaminated ground all present challenges to engineers seeking to build roads, buildings, embankments,…
Every inclined surface of soil or rock — whether a natural hillside, a highway embankment, a dam face, a cutting or a spoil heap — has a tendency to move downward under the influence…
Principle installation of Prefabricated Vertical drains Specialized rig Mandrill supported inside a leader held by crane or hydraulic excavator Mandrill pushed into soil by chains/cables driven by hydraulic engines. PVD installed inside a mandrill…
Wickdrains — Methods of installation Water Jetting Ramming Pushing, modern preferred method Pushing + vibration Pushing + water jetting
In this project about 700.000 meters of wickdrains (prefabricated vertical drains-PVD) were specified. Working with sand drains need more time and work. The soil should be consolidated quickly, and the road is near the…
In this project about 700.000 meters of wickdrains (prefabricated vertical drains-PVD) were specified. Working with sand drains need more time and work. The soil should be consolidated quickly, and the road is near the…
In this project about 700.000 meters of wickdrains (prefabricated vertical drains-PVD) were specified. Working with sand drains need more time and work. The soil should be consolidated quickly, and the road is near the…
In this project about 700.000 meters of wickdrains (prefabricated vertical drains-PVD) were specified. Working with sand drains need more time and work. The soil should be consolidated quickly, and the road is near the…
In this project about 700.000 meters of wickdrains (prefabricated vertical drains-PVD) were specified. Working with sand drains need more time and work. The soil should be consolidated quickly, and the road is near the…