| Patents for E02D 3 - Improving or preserving soil or rock, e.g. preserving permafrost soil (8,968) |
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| 11/01/1983 | US4412757 Vibration machine for compacting materials, in particular an earth compacting machine |
| 10/26/1983 | EP0092014A1 Regulator for a vibrations generator with unbalanced masses |
| 10/25/1983 | US4411081 Trench compactor having a vibratory sheepsfoot assembly |
| 10/04/1983 | US4407606 Method and apparatus for producing and laying a ballasted mat for ground stabilization |
| 09/21/1983 | EP0088828A2 Self-propelling compacting apparatus |
| 09/13/1983 | CA1153567A1 Injection liner for a borehole closure |
| 09/06/1983 | US4402630 Machine for and method of hardening soft ground |
| 09/06/1983 | US4402629 Resonantly driven pavement crusher |
| 09/06/1983 | CA1153213A1 Procedure and means for creating a vertical drain |
| 08/23/1983 | CA1152374A1 Compactor |
| 08/18/1983 | WO1983002790A1 A drainage device |
| 08/17/1983 | EP0085742A1 Method for improving soft ground by sand drain method and cylindrical bag for use in same |
| 08/16/1983 | US4398431 Mechanical power transmitting system |
| 08/09/1983 | US4397590 Method and apparatus for compacting backfill in trenches |
| 08/09/1983 | US4397588 Method of constructing a compacted granular or stone column in soil masses and apparatus therefor |
| 08/02/1983 | CA1150994A1 Road grading and tamping appliance |
| 07/13/1983 | EP0031352B1 An eccentric element |
| 07/12/1983 | CA1149621A2 Building material, its application for embankment, surfacing, or as foundation mass over a loose ground, and method and installation for the production of said material |
| 06/22/1983 | EP0081620A2 Grout injection method and apparatus |
| 06/21/1983 | US4389137 Oscillator for soil or road tampers |
| 06/14/1983 | US4388018 Eccentric-disk tamper |
| 06/14/1983 | CA1148287A1 Rendering porous structures impermeable by treatment with ph insensitive gelable compositions of amide polymers |
| 06/07/1983 | US4386531 Method and apparatus for determining the injection pressure during injection operations during construction work |
| 05/31/1983 | CA1147166A1 Apparatus for monitoring the degree of compaction |
| 05/31/1983 | CA1147152A1 Perforation formed tube having alternating thick and thin wall portions |
| 05/10/1983 | US4382720 Injection liner for a borehole closure |
| 05/10/1983 | US4382715 Mass compensated impacting apparatus |
| 05/03/1983 | CA1145574A2 Draining, irrigating and dispersing mass |
| 04/26/1983 | US4380886 Method of promoting water transport through soil |
| 04/12/1983 | CA1144382A1 Soil erosion prevention blocks |
| 04/06/1983 | EP0075993A1 Drainage tube |
| 04/05/1983 | USRE31195 Method and a device for ascertaining the degree of compaction of a bed of material with a vibratory compacting device |
| 03/22/1983 | US4377419 Stabilizing clay soil with hydroxy-aluminum solution |
| 03/15/1983 | US4376598 In-situ vitrification of soil |
| 03/08/1983 | US4375927 Method and device for intermittently exerting forces on soil |
| 03/03/1983 | WO1983000712A1 Soil compaction apparatus |
| 03/01/1983 | CA1141979A1 Building material, its application for embankment, surfacing, or as foundation mass over a loose ground, and method and installation for the production of said material |
| 02/15/1983 | CA1141269A1 Supporting fabric for bearing bulk material and a method of building road, dike or dam embankments |
| 02/15/1983 | CA1141222A1 Impact roller |
| 02/15/1983 | CA1141221A1 Compactors |
| 02/01/1983 | US4370894 Eccentric element |
| 01/25/1983 | US4370077 Method of pressurizing and stabilizing rock by periodic and repeated injections of a settable fluid of finite gel strength |
| 01/19/1983 | EP0069817A2 Bulk blasting |
| 01/12/1983 | EP0069181A1 Method of and apparatus for use in reinforcing a piling structure, and a precast concrete pile for use in the method |
| 01/11/1983 | US4367984 Stabilization of particulate material |
| 01/04/1983 | CA1138661A1 Stabilisation of particulate material |
| 12/28/1982 | CA1138329A1 Process for consolidating and sealing off geological and artificially deposited rock and earth formations |
| 12/28/1982 | CA1138212A1 Method of sealing salina excavations |
| 12/07/1982 | US4362440 Tubular lost borehole closure |
| 12/07/1982 | CA1136870A1 Hydraulic method of soil compaction and apparatus therefore |
| 12/01/1982 | EP0065544A1 Procedure and device for measurement of degree of compaction. |
| 11/23/1982 | US4360599 Stabilizing clay soil with dry chemical mixtures |
| 09/21/1982 | CA1131922A1 Method and device for intermittently exerting forces on soil |
| 09/14/1982 | US4349010 Frost removal system |
| 09/14/1982 | US4348901 Apparatus for monitoring the degree of compaction |
| 09/14/1982 | CA1131456A1 Multiple grouting process |
| 09/07/1982 | US4348134 Scraper assembly for a padfoot compactor, and method of forming same |
| 08/31/1982 | CA1130625A1 Method of operating a compaction roller assembly, and a compaction roller assembly |
| 08/10/1982 | US4343568 Road grading and tamping appliance |
| 07/20/1982 | US4340255 Resonantly driven vertical impact system |
| 06/30/1982 | EP0054554A1 Barrier structure and method of producing and laying it. |
| 06/23/1982 | EP0054529A1 A vibrator for compacting soil and the like |
| 06/15/1982 | US4334799 Impact roller |
| 06/15/1982 | CA1125718A1 Track arrangement for a railroad |
| 06/10/1982 | WO1982001905A1 Procedure and device for measurement |
| 05/26/1982 | EP0052135A1 Procedure and means for creating a vertical drain. |
| 05/25/1982 | CA1124147A1 Frost removal system |
| 05/18/1982 | US4330738 Method and apparatus for controlling the frequency of vibration imparted to the ground by a compacting machine |
| 05/11/1982 | US4329090 Employing quicklime in stabilizing surface layers of the earth |
| 03/30/1982 | CA1120734A1 Method and apparatus for making ice blocks |
| 03/24/1982 | EP0047878A2 Process and apparatus for measuring foundation injection pressure |
| 03/18/1982 | WO1982000839A1 Apparatus and method for compacting material |
| 03/17/1982 | EP0047433A2 Vibration device for compacting materials, especially for soil compaction |
| 03/16/1982 | CA1120157A1 Vibratory compactors |
| 03/02/1982 | CA1119017A1 Mechanical power transmitting system |
| 02/23/1982 | US4316679 Ground stabilization equipment |
| 02/03/1982 | EP0045026A1 Method for soil stabilisation |
| 01/26/1982 | CA1116913A1 Backhoe mounted vibrating plate soil compactor |
| 01/19/1982 | US4311415 Apparatus and method for increasing the load bearing strength of a pile |
| 01/19/1982 | CA1116421A1 Stabilisation of erodible marine or fluviatile sediments |
| 01/12/1982 | CA1115971A1 Roller crusher with fashioned teeth for refuse crushers at dumps |
| 01/05/1982 | US4309129 Method and apparatus for improving the strength of soft viscous ground |
| 12/29/1981 | US4307980 Injection of a waterglass solution, polyisocyanate, and polyol, foaming, and hardening; adhesion |
| 12/15/1981 | US4305627 Bearing housing and lubrication structure for concentric rotating members |
| 12/01/1981 | CA1113265A1 Injection process and injection apparatus for solidifying a ground |
| 11/26/1981 | WO1981003354A1 Procedure and means for creating a vertical drain |
| 11/24/1981 | US4302132 Method of injecting grout into soil |
| 11/24/1981 | US4302129 Vibratory compacting roller |
| 11/24/1981 | US4301620 Applying a high mw hydrophilic polymer of ethylene oxide |
| 11/18/1981 | EP0039716A1 Method and apparatus for producing and laying a ballasted mat for ground stabilization |
| 11/12/1981 | WO1981003189A1 Barrier structure and method of producing and laying it |
| 11/11/1981 | EP0039474A1 Immersion vibrator |
| 11/10/1981 | CA1112265A1 Combination vehicle underpan and maintenance platform |
| 10/14/1981 | EP0037428A1 Unbalanced-mass vibrator with switching clutch |
| 09/17/1981 | WO1981002593A1 Control for plate vibrators |
| 09/15/1981 | US4289422 Compactor |
| 09/01/1981 | US4286900 Injection device of chemical fluids for improvements of the ground |
| 08/26/1981 | EP0034520A2 Mining excavating process using the bord and pillar method |
| 08/04/1981 | US4281945 Roller assembly for refuse crushers |
| 08/04/1981 | CA1106196A1 Stabilization of rock formations |