Machine for making bored piles

Mandrel closure and process for in situ pile formation

Manufacturing method and device of hollow-typed reverse circulat

Means for joining concrete piles

Mechanical device for flaring a piling member

Mechanical ground anchor

Mechanisms for interconnecting two cylinders underground

Metal foundation push-it and installation apparatus and method

Metal foundation push-it and installation apparatus and method

Metal foundation push-it and installation apparatus and method

Metallic turbular pile equipped with a device able to inject gro

Method and an apparatus for driving sheet piles into the ground

Method and apparatus for a loading test of a pile using a self-r

Method and apparatus for constructing a subsurface retaining wal

Method and apparatus for creating support columns using a...

Method and apparatus for driving a tube into the ground by hamme

Method and apparatus for forcing piles into or out of the ground

Method and apparatus for forcing piles into or out of the...

Method and apparatus for forming a cast-in-place support column

Method and apparatus for forming an underground solidification s