| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 08/09/1988 | US4762991 Probe for optically monitoring progress of in-situ vitrification of soil |
| 08/09/1988 | US4762443 Method of rendering soils impervious |
| 08/09/1988 | CA1240163A1 Method and apparatus for compacting a soil stratum using vibrations |
| 08/02/1988 | US4761183 Grouting composition comprising slag |
| 08/02/1988 | CA1239897A1 Stabilizing particle bed in natural water by electrolytic action |
| 07/28/1988 | WO1988005425A1 Grouting composition comprising slag |
| 07/27/1988 | CN87107457A Vibrating roller |
| 07/21/1988 | DE3742960A1 Dewatering plate |
| 07/20/1988 | EP0274947A2 Method and apparatus for depositing on a surface a reinforced floor composed of particulate matter and a binder |
| 07/14/1988 | DE3644766A1 Method and apparatus for producing statically defined supporting and bearing structures in soils otherwise incapable of bearing |
| 07/05/1988 | US4755408 Synthetic resin foam hollow profiles adhered or welded together to form block or panel |
| 07/05/1988 | US4755080 Device for inserting a drainage wick into the ground |
| 06/30/1988 | WO1988004709A1 Method and device for laying on a surface a reinforced ground comprised of particulate elements and of a binder |
| 06/28/1988 | US4753841 Air-borne and footstep noise insulating panels of synthetic resin foam for floating plaster floors or floating wooden floors |
| 06/14/1988 | US4750792 Demolition and compaction track shoe and assembly for crawler vehicle |
| 06/14/1988 | CA1237904A1 Drainage mat |
| 06/08/1988 | EP0269630A1 Process for strengthening geological formations. |
| 06/08/1988 | CN87208051U Rolling-oscillator for hole enlarging |
| 06/07/1988 | US4749306 Formed corrugated plastic net for drainage applications |
| 06/07/1988 | US4749305 Eccentric-weight subassembly, and in combination with an earth compactor drum |
| 06/01/1988 | CN87209876U Hydraulic tamping machine |
| 05/24/1988 | US4745979 Method and apparatus for driving drain board |
| 05/17/1988 | US4744700 Foamable plastic expanded by heat of exothermic polyurethane-polyisocyanurate formation |
| 05/17/1988 | US4744193 Injecting mixture of polyisocyanate or prepolymer having isocyanate end groups and 2-pyrrolidone; curing with water |
| 05/11/1988 | EP0267034A2 Protection of beaches and sand dunes against erosion |
| 05/11/1988 | DE3637719A1 Plate vibrator with chain drive |
| 05/10/1988 | US4742721 Vibrating device |
| 05/04/1988 | EP0161311B1 Process for building by sectors a slit trench foundation wall |
| 05/04/1988 | CN87106450A Injection agent system for making soil |
| 05/04/1988 | CN87102290A Tripping device of book |
| 04/27/1988 | EP0264998A1 Method of manufacturing a foundation |
| 04/21/1988 | DE3627413A1 Method of restoring the development capacity of surfaces of land after the working of coal and other minerals close to the surface |
| 04/20/1988 | CN86107196A Water glass grouting material for water blocking and reinforcement in construction |
| 04/14/1988 | DE3634093A1 Vibration generator, in particular for vibration plates |
| 04/07/1988 | WO1988002419A1 Reinforced soil and method |
| 04/06/1988 | CN86107233B Vacuum combined stack-load method for pre-pressing and reinforcing soft earth foundation |
| 04/05/1988 | US4735658 Novel water-insensitive materials intended for public works; process and chemical composition for their obtention |
| 04/05/1988 | US4735523 Vibratory compaction working machine |
| 03/24/1988 | DE3630969A1 Method of stabilising earth masses at risk of slipping |
| 03/22/1988 | US4732510 Process for driving and cementing in ground anchors, apparatus and anchor bars for said process |
| 03/22/1988 | US4732507 Walk behind soil compactor having a double vibratory drum and an articulated frame |
| 03/16/1988 | EP0260068A1 Formed corrugated plastic net for drainage applications |
| 03/15/1988 | US4730954 Ground treatment |
| 03/09/1988 | EP0258324A1 Process for restoring channels threatening to collapse, in particular profiled channels. |
| 03/02/1988 | EP0257382A2 Method for stabilizing the soil |
| 02/25/1988 | DE3628749A1 Mortar or concrete mixture containing an addition of a quick-setting (flash setting) agent and also a solid binder produced therefrom |
| 02/24/1988 | CN86107233A Vacuum combined stack-load method for pre-pressing and reinforcing soft earth foundation |
| 02/23/1988 | CA1233061A1 Apparatus for compacting soil, concrete and other materials |
| 02/16/1988 | US4725169 Grout impregnation method |
| 02/10/1988 | CN87104364A Stratigraphic perfusion |
| 02/10/1988 | CN87102306A "furan-urea-phenol" chemical grouting material |
| 02/09/1988 | US4723870 Wheel assembly for soil compactor devices |
| 02/09/1988 | CA1232462A1 Method and apparatus for forming an underground solidification structure |
| 02/02/1988 | US4722635 Method and device for compacting soil |
| 01/14/1988 | WO1988000260A1 Method of producing artificial ground |
| 01/07/1988 | EP0251076A1 Vibrating plate compactor |
| 01/07/1988 | DE3622167A1 Process for the underground, water-tight connection of service pipes, produced underground, to existing main pipes |
| 01/05/1988 | US4717284 Device for draining soils in depth |
| 12/30/1987 | CN86104084A Process of static horizontal densification of foundational soil |
| 12/29/1987 | US4715746 Method of strengthening geological formations |
| 12/29/1987 | CA1230756A1 Apparatus for measuring the degree of compaction of a material |
| 12/22/1987 | US4714140 Multi-axis articulated all terrain vehicle |
| 12/03/1987 | DE3618387A1 Process and device for removing special waste from soil, landfill sites and similar deposition sites |
| 12/02/1987 | EP0247135A1 A method and an arrangement for control and guidance of the extent of the injection zone when a curable binder is jet injected in soils |
| 12/01/1987 | US4710063 Non-return valve for bore hole sleeves |
| 12/01/1987 | CA1229736A1 Method of hardening soft ground |
| 11/25/1987 | EP0246234A1 Method for the consolidation of geological formations. |
| 11/25/1987 | CN87206518U Power-drive tamper |
| 11/25/1987 | CN87204137U Alarming and slurry-injecting device for earth fall |
| 11/19/1987 | DE3615996A1 Apparatus for levelling and compacting bulk materials |
| 11/11/1987 | EP0244651A2 Cell like structure |
| 11/07/1987 | CN86206881U 75 kw vibrator |
| 11/04/1987 | CN87202673U Electric driven rapid impact tamper |
| 11/04/1987 | CN87103427A Drainage cell |
| 11/03/1987 | CA1228739A1 Process for providing foundations and/or reinforcing the ground by laying compensating foundations |
| 10/28/1987 | CN87100916A Soil-stabilising apparatus |
| 10/27/1987 | US4702643 Compaction wheel |
| 10/27/1987 | CA1228486A1 Compacting deep foundation structure, method of and apparatus for building the same |
| 10/21/1987 | EP0241554A1 Process for producing mortar and method for applying the same |
| 10/14/1987 | EP0240493A1 Method for compaction-trussing-injection or decompaction-draining and construction of linear works or planar works in grounds. |
| 10/13/1987 | US4699546 Method and apparatus for compacting a soil stratum using vibrations |
| 10/06/1987 | US4697961 Process for consolidating soils |
| 10/06/1987 | US4697953 Method and apparatus for subsequent underground sealing |
| 09/30/1987 | EP0239258A1 Improvements in or relating to ground strengthening |
| 09/29/1987 | US4696606 Method of stabilizing a rock structure |
| 09/24/1987 | DE3609360A1 Vibratory plate for compacting the soil |
| 09/16/1987 | EP0236560A2 Impregnation method of unfirm ground |
| 09/16/1987 | CN87100030A Serous perfusion |
| 09/11/1987 | WO1987005365A1 Process for restoring channels threatening to collapse, in particular profiled channels |
| 09/08/1987 | US4692065 Offshore unit structure |
| 09/02/1987 | EP0235108A2 Draining plate and method of producing draining plate |
| 09/02/1987 | EP0235101A2 Device for stabilizing bulk material, especially soil masses |
| 09/01/1987 | US4690589 Sprinkling water soluble polymer; reacting with compounds |
| 09/01/1987 | CA1226143A1 Groundwater protection system |
| 08/26/1987 | EP0233312A2 Drain material holding apparatus for board drain process |
| 08/06/1987 | DE3602913A1 Method of stabilising the soil at banks and dikes of watercourses, coasts and dunes |
| 08/05/1987 | EP0230918A2 Subterranean soil drainage device |
| 07/07/1987 | US4678554 Method and installation for generating an electrical field in the soil |
| 07/07/1987 | US4678369 Method and arrangement for sealing off dumps to prevent seepage |
| 06/30/1987 | US4676694 Process and installation for the congelation of grounds by means of a cryogenic liquid |