| Patents for E02D 1 - Investigation of foundation soil in situ (1,969) |
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| 07/20/2011 | CN201903458U Portable sectional type undisturbed soil sampler |
| 07/20/2011 | CN201901866U T-shaped contact detector applied to deep-sea seabed feature testing |
| 07/20/2011 | CN201901865U Water and soil pressure testing device for soft soil foundation pits |
| 07/20/2011 | CN102132141A Method for in-situ determining the compactness of grainy material layers and device for performing the process |
| 07/20/2011 | CN101806056B Soft-soil foundation treatment method for controlling secondary consolidation settlement |
| 07/20/2011 | CN101736728B Elastic beam type side wall frictional resistance dynamometer |
| 07/13/2011 | CN102121245A Method for measuring relative density of naturally-graded coarse particle dam construction material |
| 07/06/2011 | CN102116018A Full-hydraulic continuous-penetration static sounding machine with double oil cylinder groups |
| 06/30/2011 | WO2011078704A1 Lysimeter with minimally disturbing insertion via sidewall |
| 06/29/2011 | CN102108707A Huge ultradeep foundation pit accurate subsidence and environmentally-friendly construction method |
| 06/29/2011 | CN102108697A Drilling pressurized-water testing/grouting device |
| 06/29/2011 | CN101812854B Control method of construction quality of deep mixing piles based on energy consumption monitoring |
| 06/22/2011 | CN102102358A Method for measuring deep sedimentation deformation of foundation by using wireless conduction water pressure meter |
| 06/15/2011 | CN201865093U Environmental geotechnical multi-parameter combined test probe |
| 06/15/2011 | CN201865092U Static pressure layering water taking system |
| 06/15/2011 | CN102094410A Static/dynamic sounding apparatus |
| 06/01/2011 | CN201851054U Reverse circulation percussion hammer |
| 06/01/2011 | CN102080372A Self-dragging type furniture removing device |
| 05/25/2011 | CN102071945A Method for driving-in and driving-out construction in built structure closed in three sides for shield |
| 05/25/2011 | CN102071699A Novel foundation design method |
| 05/25/2011 | CN102071672A Method and device for testing rock-soil thermo-physical parameter in penetration type in-situ layered mode |
| 05/25/2011 | CN102071671A Energy environment static sounding probe capable of measuring thermal conductivity of soil mass |
| 05/25/2011 | CN101476314B On-site detecting instrument for foundation bearing capacity and filling compactness |
| 05/19/2011 | WO2011058911A1 Ground survey method |
| 05/18/2011 | CN102061687A Analytical method for determining soil body intensity parameter by in-situ static penetration test |
| 05/18/2011 | CN102061686A Partial stability and slurry volume weight determination method of pure viscosity slot wall of underground continuous wall |
| 05/18/2011 | CN102061685A Subsidence-preventing clamp for structural surface sample in direct shear experiment |
| 05/11/2011 | CN201828260U Physics type settlement meter |
| 05/11/2011 | CN201826294U Lower-locking type soil sampler |
| 05/04/2011 | CN201817804U On-site undisturbed soil direct shear tester |
| 04/27/2011 | CN201809760U Flow control system for pumping test |
| 04/27/2011 | CN102031771A Deep static cone penetration test method for geotechnical engineering |
| 04/27/2011 | CN102031770A Method for determining slot-wall local stability and slurry volume weight of diaphragm wall |
| 04/27/2011 | CN101806054B Method for estimating stability of house pillar type goaf under highway |
| 04/27/2011 | CN101793037B Surface sedimentation rate method of rockfill roadbed high-fill structure |
| 04/27/2011 | CN101666831B Measuring fixture and measuring method of frozen soil dielectric constant |
| 04/13/2011 | CN201794067U Static sounding apparatus |
| 04/13/2011 | CN201794066U Automatic rock soil detecting device |
| 04/13/2011 | CN102011389A Soil body in situ test device and test method applying same |
| 04/13/2011 | CN102011388A Underwater vacuum preloading centrifugal model testing device and method |
| 04/06/2011 | CN102002934A In-situ modification reinforcing method for expansive soft rock soil |
| 04/06/2011 | CN102002933A Method for detecting compression modulus Es of red clay by standard penetration test (SPT) count N |
| 04/06/2011 | CN102002932A Cone penetration device and cone penetration testing method |
| 04/05/2011 | US7918307 Accelerated weight drop for use as a seismic energy source and a method of operation thereof |
| 03/30/2011 | CN201778322U Earth pressure gauge embedding device |
| 03/30/2011 | CN101994314A Longhole rectangular terraced antiskid pile jump-preventing excavating construction |
| 03/16/2011 | CN201762700U Layered settlement magnetic ring positioner |
| 03/16/2011 | CN101985833A Static pressure layering water intaking system |
| 03/02/2011 | EP2289307A1 A method for measuring the dynamics of root development and apparatus for carrying out said method |
| 02/23/2011 | CN101979779A Foundation pit construction method capable of preventing nearly inclined buildings from being tilted and sunk |
| 02/23/2011 | CN101979776A Method for measuring control dynamic shearing strain in fatigue dynamic tri-axial test |
| 02/17/2011 | WO2011017754A1 Pipeline simulation device |
| 02/16/2011 | CN101974898A Roller compacted concrete cushion changing and filling method |
| 02/09/2011 | CN201738295U Probe for cone penetration test |
| 02/09/2011 | CN201738294U Wireless portable movable testing platform for parameters of geotechnical engineering |
| 02/09/2011 | CN101967817A Impact-resisting instrument for water and soil erosion |
| 02/03/2011 | WO2011012406A1 Device and method for the spatially-resolved recording of ground motion |
| 02/02/2011 | CN201730086U Slurry scraper for cleaning piezocone penetration test probes |
| 02/02/2011 | CN1982645B Device used by penetration components for hammering sampler into drilling hole soil |
| 02/02/2011 | CN101509246B Anti-seepage antifreezing spray finishing method of polyurethane polymeric material for channel |
| 01/26/2011 | CN101725149B Construction method of long open-cut tunnel |
| 01/20/2011 | WO2010007454A3 Method for in-situ determining the compactness of grainy material layers and device for performing the process |
| 01/19/2011 | EP2275642A1 System for detection and monitoring of deep land subsidence |
| 01/19/2011 | CN201713803U On-site water injection testing device |
| 01/12/2011 | CN101105433B Portable on-spot and indoor dual-purpose direct-cutting experiment instrument and its sampling method |
| 01/05/2011 | CN101935998A Method for storing big size nonsaturated structural undistributed soil sample |
| 12/29/2010 | EP2004955B1 Improved probe for pressure meter |
| 12/22/2010 | CN201678994U Inner lining thin-walled static and movable triaxial soil sampler |
| 12/22/2010 | CN201678993U Static sounding device |
| 12/22/2010 | CN201678992U Shearing ring determining shearing strength of soil in situ |
| 12/22/2010 | CN201678991U Simple roadbed settlement observation plate capable of being leveled |
| 12/15/2010 | EP2261424A2 Shoring box for shoring trenches |
| 12/15/2010 | CN201673078U Cement-soil stirring pile cement-soil slurry sampling machine |
| 12/15/2010 | CN101914912A In-situ testing method for deep underground engineering during rockburst preparation and evolution process |
| 12/15/2010 | CN101126754B Geotechnical engineering original position rotation contact-surveying vehicle |
| 12/08/2010 | CN101906771A Three-dimensional soil texture analyzing method for assisting survey, design and construction of dredging engineering |
| 12/02/2010 | DE102007035348B4 Fallgewichtsprüfgerät zur Bestimmung der Verformungskennwerte unter definierten Stoßbelastungen von Böden Fallgewichtsprüfgerät to determine the deformation characteristics of soils under defined shock loads |
| 12/01/2010 | CN101899845A High-speed railway settlement monitoring technology |
| 11/24/2010 | CN201649059U Bottom stress testing device of bored concrete pile |
| 11/24/2010 | CN101892658A Helical plate load-static sounding combined tester |
| 11/17/2010 | CN201635066U Environmental static force sounding probe for pollution foundation soil |
| 11/17/2010 | CN201635065U Saturation device for pore pressure static cone penetration field probe and filter ring thereof |
| 11/17/2010 | CN201635064U Resistivity static sounding probe |
| 11/10/2010 | CN201627191U Omni-directional double-hammer high speed drill rod prospecting machine |
| 11/05/2010 | CA2771286A1 Locating equipment communicatively coupled to or equipped with a mobile/portable device |
| 11/03/2010 | CN201620408U Stereo structure intelligence testing box |
| 11/03/2010 | CN101876169A Method for testing soil shear strength of slope in situ |
| 11/02/2010 | CA2577110C A coring tubular and method for reducing contamination and processing speed of a core sample |
| 10/27/2010 | CN201614584U 公路用便携快速取芯样器 Portable fast highway core sampler |
| 10/20/2010 | CN101864760A Glue-fixed depth measurable drainage member and production method thereof |
| 10/20/2010 | CN101864758A Urban exploration geotechnical engineering exploration data processing system and method |
| 10/20/2010 | CN101538846B Air powered soil cement sampler |
| 10/13/2010 | CN201605569U 一种双桥静力触探大量程探头 One kind Shuangqiaoshan large range of static sounding probe |
| 10/13/2010 | CN101858075A Environmental static sounding probe for contaminated foundation soil |
| 10/13/2010 | CN101858074A Construction method and device for on-site water injection test |
| 10/13/2010 | CN101858073A Saturation device for piezocone penetration field probe and filter ring thereof |
| 10/13/2010 | CN101858072A Sludge scraper for cleaning piezocone penetration probe |
| 10/13/2010 | CN101858071A Coring machine with water supply |
| 10/07/2010 | WO2010114462A1 A method for the collection of samples of soil and a vehicle intended to be used with the method |
| 10/07/2010 | WO2010076295A3 System and method for sand detection |