| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 05/01/2013 | CN202913411U Pile tube structure applicable to vibrating dense plug board method |
| 05/01/2013 | CN202913405U Anti-sliding floor sand distributing device |
| 05/01/2013 | CN202913404U Vacuum automatically-maintaining device using consolidation by dewatering |
| 05/01/2013 | CN202913403U Tenon grid for construction |
| 05/01/2013 | CN202913198U Plant fiber sand blocking and stabilizing net |
| 05/01/2013 | CN103074891A Double-layer plastic sleeve bulk material and concrete stiffness core composite pile and construction method thereof |
| 05/01/2013 | CN103074887A Drilling/spraying integrated foundation treatment method and special drilling rig component |
| 05/01/2013 | CN103074886A Grouted geogrid |
| 05/01/2013 | CN103074885A Method for foundation settlement control |
| 05/01/2013 | CN103074884A Deep decompression anatonosis type vacuum preloading foundation treatment method |
| 05/01/2013 | CN103074883A Active type preloading combined foundation reinforcing method |
| 05/01/2013 | CN103074882A Construction method for reinforcing island-type perennial frozen-soil foundation by adopting gravel piles |
| 05/01/2013 | CN103074881A Double-frequency vibratory ramming machine |
| 05/01/2013 | CN102251513B Track-descending connecting device of tramper for subgrade treatment vehicle |
| 05/01/2013 | CN101768959B Water sealing consolidation equipment of cast-in-place pile soil body and construction technology thereof |
| 04/30/2013 | US8430180 Control mechanism for a power tool |
| 04/25/2013 | WO2013059537A1 Automatic ground contact pressure system for pneumatic compactor |
| 04/25/2013 | WO2013058596A1 Extension-type casing and method for reinforcing soft ground |
| 04/24/2013 | EP2583000A1 Vibrating plate with v-belt stabilizing means |
| 04/24/2013 | CN202899129U Drainage traction pipe for supporting |
| 04/24/2013 | CN202899120U Impact rammer mechanical transmission device used for buildings |
| 04/24/2013 | CN202899119U Medium-high carbon steel wire grating |
| 04/24/2013 | CN103061332A Integrally-arranged and externally-wrapped double-layered water discharging body and middle concrete combined pile and construction method |
| 04/24/2013 | CN103061330A X-shaped stirring drilling machine |
| 04/24/2013 | CN103061329A Underwater grouting grout based on soft-base large immersed tunnel foundation and grouting process thereof |
| 04/24/2013 | CN103061328A Post-grouting gravel pile with sand wall wing plates and construction method |
| 04/24/2013 | CN103061327A Comprehensive water control technique for dump |
| 04/24/2013 | CN103061326A Construction method for reinforcing island-shaped permafrost roadbed through water stable gravel piles |
| 04/24/2013 | CN103061325A Mud discharging collector |
| 04/24/2013 | CN103061324A Underground-inflated liquefied foundation treating device and construction method |
| 04/24/2013 | CN103061323A Real-time monitoring device of earth-rock dam material compaction quality |
| 04/24/2013 | CN103061230A Construction method of technology utilizing ground source heat pump to cool and melt frozen road surfaces and drain boards for construction |
| 04/24/2013 | CN103061226A Structure and construction method for temporarily reinforcing soft soil foundation |
| 04/24/2013 | CN103061225A Rock salt railroad bed structure of section parallel to existing line and construction method of structure |
| 04/18/2013 | US20130094909 Systems and methods for collecting and processing permafrost gases, and for cooling permafrost |
| 04/17/2013 | EP2580956A1 Reinforcing structure and construction method for greening vegetation articles |
| 04/17/2013 | CN202885847U Remote rammer monitoring recording system |
| 04/17/2013 | CN202881929U Two-shot grouting mixer |
| 04/17/2013 | CN202881928U Sludge soft foundation solidifying machine |
| 04/17/2013 | CN202881927U Liquid nitrogen freezer for segmental freeze |
| 04/17/2013 | CN202881926U Quartering hammer type tamping device |
| 04/17/2013 | CN202881925U Shock mitigation system for main engine of dynamic consolidation machine and dynamic consolidation machine provided with the same |
| 04/17/2013 | CN202881924U Sand-prevention mesh |
| 04/17/2013 | CN202881923U Protective structure of city buried pipelines |
| 04/17/2013 | CN202881922U Ecological type frame |
| 04/17/2013 | CN202881921U Plant-growing annular belt cage |
| 04/17/2013 | CN103046538A Disposal system for in-situ curing and stabilizing polluted soil |
| 04/17/2013 | CN103046537A Method for plugging exploratory holes above karst caves |
| 04/17/2013 | CN103046536A Comprehensive waste dump water controlling method applicable to soft foundations |
| 04/17/2013 | CN103046535A Underground harmful gas discharger |
| 04/17/2013 | CN103046534A Method for improving bearing capacity of foundation |
| 04/17/2013 | CN103046533A Drain board with functions of water draining, retaining, storing and collecting |
| 04/17/2013 | CN103046532A Variable stiffness leveling prestressed pipe pile compound foundation |
| 04/17/2013 | CN103046531A Dynamic compactor and anti-impact luffing mechanism thereof |
| 04/17/2013 | CN103046530A Gravel pile and plain concrete pile combined composite foundation |
| 04/17/2013 | CN103046529A Rammed hard plain concrete pile composite foundation |
| 04/17/2013 | CN102071673B Underwater construction method for gravel pile |
| 04/17/2013 | CN101519870B Construction method for treating soft groundwork surface layer by using bamboo web |
| 04/16/2013 | US8419316 Triple-pronged ground improvement tool and deployment array |
| 04/16/2013 | US8419315 Harbor structure and a method of building such a structure |
| 04/11/2013 | WO2013050102A1 Electric tool having a protective hood |
| 04/11/2013 | DE102011115008A1 Elektrowerkzeug mit Schutzhaube Power tools with protective cover |
| 04/10/2013 | CN202865828U Fast-draining pipe pile |
| 04/10/2013 | CN202865826U Sand stabilization agent spray trailer using solar cell as power supply |
| 04/10/2013 | CN202865825U Sand stabilization agent spray trailer using wind-and-light complement as power supply |
| 04/10/2013 | CN202865824U Vehicle device used for spraying sand fixing agent |
| 04/10/2013 | CN202865823U Sand stabilization agent spray trailer using wind power generation as power supply |
| 04/10/2013 | CN202865822U Sand stabilizing trailer using solar cell as power source |
| 04/10/2013 | CN202865821U Vehicle device used for stabilizing sands |
| 04/10/2013 | CN202865820U Device utilizing gabion box to treat debris flow |
| 04/10/2013 | CN202865819U Strong compaction machine and upper segment arm device thereof |
| 04/10/2013 | CN202865818U Sand stabilization trailer being wind power generation as power supply |
| 04/10/2013 | CN202865817U Sand stabilization trailer using wind-and-light complement as power supply |
| 04/10/2013 | CN202865816U Anti-skidding tensile electromagnetic geotechnical cloth |
| 04/10/2013 | CN202865800U Anti-skidding electromagnetic geotechnical cloth |
| 04/10/2013 | CN202857447U Trailer establishing sand prevention tree planting pit in desert and using wind-and-light complement as power supply |
| 04/10/2013 | CN202857446U Trailer establishing sand prevention tree planting pit in desert and using solar cell as power supply |
| 04/10/2013 | CN103031838A Bridge site deep-layer displacement method |
| 04/10/2013 | CN103031837A Method for reinforcing deep and soft soil foundation by combining well-points dewatering with preloading |
| 04/10/2013 | CN103031836A Method for quickly building road on new reclamation sludge foundation |
| 04/10/2013 | CN103031835A Method for increasing foundation bearing capacity |
| 04/10/2013 | CN103031834A Low-position vacuum preloading rapid reinforcement method of soft foundation in hydraulic filling and reclamation |
| 04/10/2013 | CN103031833A Rigidity-variable plain concrete pile composite foundation |
| 04/10/2013 | CN103030577A Chemical grouting material for bridge foundation stabilization and preparation method of chemical grouting material |
| 04/10/2013 | CN103030074A Hinge points-variable combined type multi-functional crawler crane |
| 04/10/2013 | CN102253665B Pressure automatic control system and method |
| 04/04/2013 | WO2013044593A1 Diamond type multi-axial plastic stretchable geogrid and manufacturing method thereof |
| 04/04/2013 | US20130084137 Sealing material, process for producing sealing materials, and injecting method |
| 04/03/2013 | CN202850319U Multifunctional energy-saving, heat-preservation and heat-insulation hollow brick |
| 04/03/2013 | CN202850013U Whole composite foundation structure for lime soil and anti-seepage membrane |
| 04/03/2013 | CN202850012U Partial composite foundation structure for lime soil and anti-seepage membrane |
| 04/03/2013 | CN202850011U Thermal insulation blind ditch facility suitable for permafrost regions |
| 04/03/2013 | CN202849908U Self-propelled ground compacting machine |
| 04/03/2013 | CN202849891U Composite geotextile material capillary barrier drainage structure and unsaturated loess embankment structure |
| 04/03/2013 | CN202848954U Hook height limit detecting device and dynamic compactor |
| 04/03/2013 | CN103015438A Collapsible loess subgrade landslide treatment method |
| 04/03/2013 | CN103015404A Partition strengthening method for tunnel passing weak stratum |
| 04/03/2013 | CN103015403A Method for solidifying collapsible loess foundation by modified sodium silicate |
| 04/03/2013 | CN103015402A Construction method for inhibiting frost heaving and thaw collapse of horizontally frozen end through cement-soil reinforcement method |
| 04/03/2013 | CN103015401A Method and device for vacuum electro-osmotic drainage for reinforcing dredged silt soil |