| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 12/23/1992 | EP0519651A1 Tamping shoe for a vibration rammer |
| 12/23/1992 | EP0235249B1 In situ hazardous waste treating apparatus and method of using same |
| 12/16/1992 | CN1067086A Sand pile to reinforce soft foundation and making method thereof |
| 12/09/1992 | EP0516942A1 Method and device for stabilising friction soils and bordering cohesive soils |
| 12/02/1992 | EP0338039B1 Process for sealing soil formations, in particular for creating waste disposal sites |
| 12/01/1992 | WO1992021825A1 Construction method of improving or strengthening ground |
| 12/01/1992 | CA2087963A1 Work method of improving or strengthening ground |
| 11/25/1992 | EP0514559A1 Transfer of building load via a steelmember, to the ground, by use of a special ramhead |
| 11/18/1992 | CN1066311A Explosion and water-draining method for consolidation of soft clay foundation |
| 11/17/1992 | US5164641 Apparatus and method for controlling the frequency of vibration of a compacting machine |
| 11/17/1992 | US5163784 Double-tube type boring and kneading machine, and method for improving foundation ground therewith |
| 11/17/1992 | CA1310180C Grout material and grouting method using same |
| 11/12/1992 | DE4115464A1 Lateral compaction of soil layers - by pressing wedge-shaped form into soil layers at set intervals by roller or compaction plate to raise soils lateral stiffness |
| 11/11/1992 | CN2121481U Hydraulic rammer |
| 11/05/1992 | DE4114188A1 Method for soil compaction - vibrating plant operates surface layer contacting plate mounted column simultaneously vibrated to contact deeper soil |
| 11/04/1992 | CN2120822U Automatic clevis joint apparatus |
| 11/03/1992 | US5160220 Method of improving ground of large area |
| 10/27/1992 | CA1309260C Drainage material and drainage core for a drainage system |
| 10/21/1992 | EP0509898A1 System with a hydraulic motor having a brake and application to a vibratory compactor |
| 10/21/1992 | CN2119440U Mobile gantry strong tamper |
| 10/21/1992 | CN1065503A Combination of explosion with strong tamping for compacting saturated open sand stratum |
| 10/15/1992 | DE4208865A1 Vorrichtung zum verfestigen von boden Apparatus for solidifying of ground |
| 10/10/1992 | WO1992018702A1 Water extraction components produced by adhesive bonds, process for their manufacture and their use |
| 10/10/1992 | CA2108173A1 Water procuring elements produced by bonded joints, a process for their production and their use |
| 10/08/1992 | DE4129915A1 Safety device for power driven compacting roller - is controlled by spring-loaded handle which locks engine control lever |
| 10/07/1992 | CN1065112A Petrified, sand-fixed dust-proof road-construction and building method |
| 10/01/1992 | WO1992016695A1 Short aggregate piers and method and apparatus for producing same |
| 10/01/1992 | WO1992014884A3 Vitrified underground structures |
| 09/30/1992 | EP0506191A1 Aqueous gellable composition with delayed gelling time |
| 09/29/1992 | US5150988 Combination vibrator, aerator, and liquid-injection system |
| 09/23/1992 | EP0505218A1 Improvements in venting of landfill and control of leachate |
| 09/23/1992 | EP0504181A1 Improved process for stabilising rock and/or filling hollows, e.g. in tunnel building and mining |
| 09/22/1992 | US5149225 Reversible drive for a vibratory compactor |
| 09/17/1992 | DE4207420A1 Verfahren und vorrichtung zum vorsehen von pfaehlen im boden Method and apparatus for providing of posts in the ground |
| 09/08/1992 | US5145285 Discontinuous structural reinforcing elements and method of reinforcing and improving soils and other construction materials |
| 09/08/1992 | US5145279 Public works machine usable more particularly for laying vertical drains |
| 09/03/1992 | WO1992014884A2 Vitrified underground structures |
| 08/25/1992 | US5141366 Method of improving ground and apparatus used therefor |
| 08/25/1992 | US5141364 Method and device for producing a narrow or slit wall in soil |
| 08/19/1992 | EP0499442A2 Underground drainage |
| 08/18/1992 | US5139365 Process for waste injection into landfills for waste management, landfill reclamation, enhanced biodegradation and enhanced methane gas generation and recovery |
| 08/11/1992 | US5137393 Arrangement for covering inclined loose material surfaces |
| 08/06/1992 | WO1992013141A1 Method and apparatus for control of addition of modifying agent for in place treatment |
| 08/05/1992 | EP0351417B1 Grouting composition comprising slag |
| 08/04/1992 | US5135058 Crane-mounted drill and method for in-situ treatment of contaminated soil |
| 07/23/1992 | WO1992012003A1 Improved wood fiber mat for soil applications |
| 07/22/1992 | EP0495108A1 Water-swelling polymer-mineral composite and method of obtaining it |
| 07/22/1992 | CN1062943A Processing method for brining ground foundation |
| 07/21/1992 | CA1305332C Drainage system |
| 07/01/1992 | EP0491964A1 Apparatus for injecting soil conditioning fluid |
| 07/01/1992 | EP0481079A4 Method and tool for producing a pile |
| 06/25/1992 | WO1992010615A1 Soil treatment |
| 06/24/1992 | EP0491453A1 Waterproofing material |
| 06/23/1992 | US5123783 Method of reusing slurry |
| 06/23/1992 | US5123782 Method of improving ground of large area |
| 06/17/1992 | EP0490529A1 Clay liner for steep slopes |
| 06/12/1992 | CA2054062A1 Clay liner for steep slopes |
| 06/10/1992 | CN1061823A Fast drying and consolidating method with vacuum precompression for blown soil fill |
| 06/02/1992 | US5118223 Multi-shaft auger apparatus and process for forming soilcrete columns and walls and grids in situ in soil |
| 05/26/1992 | US5116515 Subterranean |
| 05/19/1992 | US5114277 Vitrified underground structures |
| 04/30/1992 | DE4033793A1 Vibrating roller with steel face and hollow shaft - has integral vibrator and common lubricating chamber for respective bearings |
| 04/22/1992 | EP0481079A1 Method and tool for producing a pile |
| 04/22/1992 | EP0480926A1 Closed cryogenic barrier for containment of hazardous material in the earth |
| 04/22/1992 | CN2102310U Dry two-way vibration hole making machine |
| 04/21/1992 | CA1299055C Method of providing a barrier between a substrate and the atmosphere andcomposition therefor |
| 04/14/1992 | US5104257 Vibration insulation system in compactors |
| 04/09/1992 | DE4031476A1 Hydraulic control circuit for synchronising two hydromachines - has by=pass valves in parallel with machines, enables machine of equal displacement to be used |
| 03/31/1992 | US5100259 Cold cap subsidence for in situ vitrification and electrodes therefor |
| 03/31/1992 | US5100258 Drainage quilt |
| 03/25/1992 | EP0476263A2 Crosslinking water-soluble polymers with iron to form gels for use in subterranen profile modifications |
| 03/15/1992 | CA2051257A1 Crosslinking water-soluble polymers with iron to form gels for use in subterranean profile modification |
| 03/11/1992 | EP0474070A1 Method and device for the insertion of a narrow partition or subterraneous curtain in the earth |
| 03/11/1992 | EP0473628A1 Method and plant for the production of injectable cement mixtures |
| 03/05/1992 | WO1992004137A1 Process for waste injection into landfill |
| 03/05/1992 | CA2071541A1 Process for waste injection into landfill |
| 02/27/1992 | DE4026528A1 Method of securing rock face - involves insertion of concrete wedge and subsequent filling by sections with concrete plugs on either side |
| 02/19/1992 | EP0355101B1 A method for arranging the cooling in a compactor and a cooling system for the realization of the method |
| 02/12/1992 | EP0470297A1 Method and device for exchanging soil, especially next to roads and buildings |
| 02/06/1992 | WO1992001840A1 Apparatus for injecting soil conditioning fluid |
| 02/05/1992 | CN1058442A Vertical drainage device |
| 02/01/1992 | WO1992002596A1 Water-swelling polymer-mineral composite and method of obtaining it |
| 01/22/1992 | EP0241554B1 Process for producing mortar and method for applying the same |
| 01/21/1992 | US5082396 Vibratory roller |
| 01/15/1992 | CN2093197U Power head type single-headed soft soil deep layer stirring pile-driving machine |
| 01/14/1992 | CA1294123C Protection of beaches and sand dunes against erosion |
| 01/14/1992 | CA1294112C Insitu hazardous waste treating apparatus and method of using same |
| 01/02/1992 | EP0463211A1 Soil decontamination |
| 12/31/1991 | US5076727 In situ decontamination of spills and landfills by focussed microwave/radio frequency heating and a closed-loop vapor flushing and vacuum recovery system |
| 12/24/1991 | CA1293384C Method and apparatus for piled foundation improvement through freezing using surface mounted refrigeration units |
| 12/18/1991 | EP0461472A2 Construction for sealing a waste dump and method for making said construction |
| 12/13/1991 | CA2043907A1 System for isolating a dump |
| 12/11/1991 | EP0460956A2 Drainage device |
| 12/10/1991 | US5070947 Air cushion mount |
| 12/10/1991 | US5070672 Supports for building structures |
| 12/07/1991 | CA2043821A1 Vertical drainage device |
| 12/04/1991 | EP0459203A1 Geotextile filter material |
| 12/04/1991 | EP0459063A1 Apparatus and method for controlling the frequency of vibration of a compacting machine |
| 12/04/1991 | EP0459062A1 Apparatus and method for controlling a vibratory tool |
| 11/29/1991 | CA2039751A1 Apparatus and method for controlling the frequency of vibration of a compacting machine |