Deep Ground Improvement

For the purposes of clarity, Deep Ground Improvement refers to the processes and technologies that are capable of generating improvement in material strength and stiffness up to and effective depth of 3-5m. This depth of improvement is far deeper than can be achieved by conventional roller and plate type compaction equipment, but is also far shallower than the Very Deep Ground Improvement that can be achieved with heavy dynamic compaction and vibro-flotation type technologies. In other words, Deep Ground Improvement fits into a niche market relating to the improvement of materials to depths that lie in between the capabilities of the current conventional shallow and very deep ground improvement technologies.

Landpac offers a range of high energy equipment and monitoring technologies that are focussed on providing highly productive and effective ground improvement over a range of applications to depths of up to 3-5m. Such deep ground improvement can ensure great time and cost savings on many applications whilst at the same time ensuring an increased level of quality assurance relating to the “in-service” performance of the materials that have been treated in this way.

Ground Improvement within any material is directly related to the amount of compaction energy that is applied to the material. Furthermore, the depth of influence of the compaction energy is directly related to the surface compaction pressure and the contact area of the compaction pressure. These fundamental principles have been exploited in the design of the Landpac ground Improvement equipment such that:
- A large compaction force is applied over a relatively large surface area
- The compaction force is “dynamic” and applied with a relatively large amplitude
- The parcel of energy that produces the compaction force is large

By utilising the high energy Landpac ground improvement equipment in conjunction with the Landpac ground improvement monitoring technologies it is possible to achieve excellent ground improvement to depths of up to 3-5m on a range of applications on many material types.

Compaction

Landpac high energy impact compaction involves the transfer of compaction energy into the soil by means of the lifting and falling motion of non-circular rotating masses. The rotation of such .................... [Go]