| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
|---|
| 11/28/1991 | WO1991018150A1 Elements and methods for reinforcing soil-like materials |
| 11/28/1991 | DE4116060A1 Eccentric disc e.g. for vibrator - has cavities contg. discs of different density |
| 11/28/1991 | DE4016822A1 Vibration plate for ground compacting - has activator producing vibrations with vector perpendicular to compactor plate and parallel to forward movement |
| 11/27/1991 | EP0457813A1 A process for building a concrete structure in loose matter, from ground level, and equipment for carrying out said process. |
| 11/27/1991 | CN1014915B Infiltration-draining method for underground structure |
| 11/25/1991 | CA2042499A1 Eccentric mass structure |
| 11/19/1991 | US5065822 Crosslinking water soluble polymers with iron to form gels for use in subterranean profile modification |
| 11/14/1991 | WO1991017311A1 Method for making road form layers |
| 11/07/1991 | DE4013801A1 Consolidation of loose soil - by injecting liq. cement into soil with aid of compressed air |
| 11/05/1991 | US5062228 Compactor and blade attachment for loader |
| 11/03/1991 | WO1991017322A1 A soil compacting vibrator |
| 11/03/1991 | CA2081783A1 Soil compacting vibrator |
| 10/30/1991 | EP0453839A2 Crane-mounted drill and method for in-situ treatment of contaminated soil |
| 10/30/1991 | CN1055788A Water and/or oil-impermeable sealing mat consisting substantially of subsrate layer, layer of swellable clay and cover layer |
| 10/27/1991 | CA2039660A1 Crane-mounted drill and method for in-situ treatment of contaminated soil |
| 10/23/1991 | CN1055569A Method for hardening soil for civil engineering works |
| 10/23/1991 | CN1055568A Acid water-glass pulp for fine sand stratum |
| 10/22/1991 | US5059251 Adding slags to silica liquor |
| 10/17/1991 | DE4009387C1 Slope drainage system for rubbish dump - uses porous drainage blocks with sand layer for pressure distribution |
| 10/15/1991 | US5056282 Injection hose for joints to be sealed in concrete works |
| 10/10/1991 | DE4010890A1 Construction of building base floor - involves application of lateral enclosure and floor support and granular rough ballast |
| 10/09/1991 | CN1055235A Cold storage facility |
| 10/02/1991 | DE4033884C1 Strengthening of mineral by raising its electrical conductivity - by adding water glass and/or silane(s) mixed with alkaline earth salt soln., to seal minerals and protect ground water |
| 10/02/1991 | CN1055028A Vibrating and rotating device |
| 10/02/1991 | CN1055027A Impact and extrusion pile forming method and construction equipment thereof |
| 10/01/1991 | CA1289977C Grouting composition comprising slag |
| 09/26/1991 | DE4108560A1 Cold storage chamber formed in mould of earth - is cooled by heat pipes with lower ends embedded in earth |
| 09/25/1991 | EP0447649A1 Arrangement for covering sloping surfaces of bulk material |
| 09/24/1991 | US5050386 Method and apparatus for containment of hazardous material migration in the earth |
| 09/24/1991 | US5050320 Multi-shaft kneading auger system |
| 09/20/1991 | CA2038377A1 Arrangement for covering inclined loose material surfaces |
| 09/18/1991 | CN1054635A Filler based on foaming adhesive and process of realization |
| 09/12/1991 | DE4107161A1 Water-and oil-tight damming mat |
| 09/11/1991 | EP0445788A1 Waterproof- and oilproof sealing mat to be used as water- and oil barrier |
| 09/11/1991 | CN1013889B Construction method for treatment of pile base |
| 09/10/1991 | US5046891 Vibrator roller for soil compaction |
| 09/10/1991 | CA1288727C Method and apparatus for separating water from particulate material or oil from oil sands |
| 09/05/1991 | WO1991013213A1 Method for consolidation of the ground |
| 09/05/1991 | WO1991013212A1 Device for dynamic consolidation of the ground |
| 09/05/1991 | DE4006348A1 Equipment for building earthwork structure - produces at least one slope and uses soil in at least two layers separately compressed |
| 09/03/1991 | US5044832 Method of and arrangement for setting anchors in loose rock ranging from cohesion-poor to non-cohesion rocks |
| 09/03/1991 | US5044831 Soil nailing |
| 08/29/1991 | DE4005574A1 Ground water extraction well - has suction pipe ending below level raised by vacuum generated in shaft |
| 08/28/1991 | EP0443960A1 Process for construction of a building on a deformable and compressible ground and building thus constructed |
| 08/28/1991 | CN1053987A Soil stabilizing apparatus |
| 08/20/1991 | US5040926 Piling method |
| 08/14/1991 | EP0441169A2 Method and device for in situ remediation of contaminated areas |
| 08/14/1991 | EP0440825A1 Method of re-using slurry in ground improving construction work |
| 08/07/1991 | EP0439890A1 System for draining land areas |
| 08/06/1991 | USH946 Tip and adaptor assembly |
| 08/06/1991 | US5037692 Multilayer structure |
| 08/06/1991 | US5037240 In-situ soil treatment process |
| 07/23/1991 | CA1286599C Liquid chemical grouting apparatus and valve switching arrangement in conduit system for supplying liquid chemicals to the apparatus |
| 07/17/1991 | EP0437262A1 Method for preventive consolidation of the soil for underground minings |
| 07/17/1991 | EP0436954A1 Double-tube boring and kneading machine and method of improving foundation ground by employing said double-tube type boring and kneading machine |
| 07/09/1991 | US5030343 Drainage cell |
| 07/03/1991 | CN1013044B Cinder pile and its special construction apparatus |
| 06/27/1991 | WO1991008995A1 Backfill based on a foam binder, and method for producing same |
| 06/26/1991 | EP0433558A1 Method and apparatus for increasing bearing capacity of soft soil and constructing cutoff wall |
| 06/26/1991 | CN1052522A Method of improving ground and apparatus used therefor |
| 06/25/1991 | US5026216 Shaft construction method |
| 06/18/1991 | US5024556 System for enhanced destruction of hazardous wastes by in situ vitrification of soil |
| 06/13/1991 | WO1991008271A1 Improved process for stabilising rock and/or filling hollows, e.g. in tunnel building and mining |
| 06/06/1991 | DE3940088A1 Verbessertes verfahren zur gesteinsverfestigung und/oder hohlraumverfuellung zb im tunnel- und bergbau Improved methods for rock solidification and / or hohlraumverfuellung eg tunnels and mining |
| 05/29/1991 | EP0285622B1 Reinforced soil and method |
| 05/28/1991 | US5018576 Process for in situ decontamination of subsurface soil and groundwater |
| 05/21/1991 | US5017047 Soil nailing |
| 05/08/1991 | EP0277133B1 A method for arranging the cooling in a compactor and a cooling system for the realization of the method |
| 05/07/1991 | US5013185 Multi-shaft auger apparatus and process for fixation of soils containing toxic wastes |
| 04/30/1991 | CA1283679C Demolition and compaction track shoe and assembly for crawler vehicle |
| 04/09/1991 | US5006176 Coagulant for soil and/or sand method for preventing washout using the same |
| 04/09/1991 | US5006017 Method for improving ground of large section area |
| 04/09/1991 | US5006016 Corotating preventor of excavated soils in a ground improvement apparatus |
| 04/04/1991 | WO1991004105A1 Method of providing barrier between substrate and atmosphere |
| 04/03/1991 | CN1012255B Soil-improving method for remewal of water quality |
| 04/02/1991 | US5004373 Method for initiating in-situ vitrification using an impregnated cord |
| 03/27/1991 | EP0418531A1 Injection tube for joint sealing for concrete constructions |
| 03/26/1991 | US5002427 Hydrophobic material used for drainage of culvert |
| 03/21/1991 | WO1991003605A1 Method of re-using slurry in ground improving construction work |
| 03/20/1991 | EP0418104A2 Geogrids |
| 02/26/1991 | US4995759 Drainage tube construction |
| 02/19/1991 | CA1280311C Method for arranging the cooling in a compactor and a cooling system forthe realization of the method |
| 02/17/1991 | WO1991002849A1 Process for in situ decontamination of subsurface soil and groundwater |
| 02/12/1991 | US4992003 Unit comprising mesh combined with geotextile |
| 02/07/1991 | DE3925353A1 Water permeable filter packs - are used for land drainage and consist of plastics mesh bags and gravel filling |
| 02/06/1991 | EP0411560A2 Apparatus for consolidating soil |
| 02/06/1991 | EP0240493B1 Method for compaction-trussing-injection or decompaction-draining and construction of linear works or planar works in grounds |
| 01/29/1991 | US4988235 System for draining land areas through siphoning from a permeable catch basin |
| 01/29/1991 | CA1279741C Grouting composition |
| 01/17/1991 | DE3921949A1 Burner for burning gas given off from refuse dump - has burner head mounted telescopically over perforated pipe |
| 01/16/1991 | EP0407455A1 Procedure for locally raising the ground artificially. |
| 01/16/1991 | CN2069438U Dual purpose machine with rammer and excavating function |
| 01/07/1991 | WO1991000941A1 Method and tool for producing a pile |
| 01/07/1991 | CA2063573A1 Pile moulding process and tooling assembly for implementing the same |
| 01/01/1991 | US4981399 Method and apparatus for increasing bearing capacity of soft soil and constructing cutoff wall |
| 12/26/1990 | CN2068109U Dual-purpose machine for tamping and digging |
| 12/12/1990 | EP0401334A1 Civil engineering device which can be used, in particular, for laying vertical drains. |
| 12/12/1990 | CN1047716A Method and implement of comprehensive treatment soft foundation with industrial waste residue |
| 12/04/1990 | US4974425 Closed cryogenic barrier for containment of hazardous material migration in the earth |
| 12/04/1990 | US4974349 Backhoe compactor apparatus |