Process of founding prefabricated structural units
GB976121A
A process of constructing a coherent foundation wall formed of piles
GB980708A
A process of constructing a structure foudation in water-permeable ground
US3245223A
Method of soil compaction
GB865622A
Improvements in vacuum wells
US2951681A
Internal vibrators and a method of operating the same
GB859547A
Improvements in internal vibrators
US2843362A
Excavation implement
US2929219A
Process for the improvement of foundation soil with regard to natural soil and artificial fillings
US2843209A
Filter, especially for piped wells
GB710994A
Process for improving soil foundations
US2740336A
Apparatus for consolidating backfill, piles of coarse aggregate and the like
GB689760A
Method of compressing masses consisting of individually solid bodies, particularly tipped masses of coarse stone and appliances for carrying out this method