Class / Patent application number | Description | Number of patent applications / Date published |
405266000 | Cementitious (e.g., grouting) | 43 |
20100124463 | Method for forming a solid soil base with a material comprising soil and spent lime - A method for filling and/or building-up land areas by creating a solid soil base through the deposition of a generally non-reactive composite fill material made by intermixing spent lime and soil such that moisture content of the spent lime is distributed through the material. | 05-20-2010 |
20100215441 | Reinforced Mass of Material and Method of Forming - A new and useful concept for reinforcing a mass of material is provided, particularly for reinforcing a mass of material that may be used to form a dam or comparable structure (FIG. | 08-26-2010 |
20110103898 | Directional fracture grouting method with polymer for seepage control of dikes and dams - A directional fracture grouting method with polymer for seepage control of dikes and dams includes the steps of: arranging a plurality of directional fracture grouting holes at a predetermined distance along the axis of the dike or dam; forming the directional fracture grouting holes by pushing a special drilling tool; placing a hole-sealing grouting pipe and a fracture grouting pipe into each of the directional fracture holes; and injecting including the steps of firstly injecting a small amount of polymer material into the sealing-hole pipe, and secondly injecting predetermined amount of material into the fracture grouting pipe. Under the chemical reaction, the mixed material expands, fractures the soil along the guided directions, and forms a super thin polymer segment. Finally, the polymer segments are overlapped each other, and the seepage control system is constructed inside the dike or dam. | 05-05-2011 |
20120009023 | Pumpable crib bag assembly and method of installation - A pumpable inflatable crib bag assembly for supporting a mine roof which includes a generally cylindrical bag having top and bottom ends for retaining and confining a liquid settable grout to be pumped into the bag. The bag further includes an inner generally cylindrical mesh reinforcement disposed within and generally coextending with the bag. This generally cylindrical mesh reinforcement is spaced from an inner wall of the bag and is permeable to the liquid settable grout whereby the liquid settable grout may be pumped through a fill port into the bag to thereby fill the bag and encapsulate the mesh reinforcement. The liquid settable grout is pumped through a fill port which is adjacent the top end of the bag. | 01-12-2012 |
20120114427 | Soil Mixing System - A soil processing tool for delivering a fluid slurry may include a barrel section to define placement of the fluid slurry, a core section being in a spaced relationship to the barrel section, and a flight section formed between the core section and the barrel section. The soil processing tool may include a first cutting tip to reduce debris and the barrel section may include a lower edge including a second cutting tip to reduce debris. The flight section may include a leading edge including a third cutting tip to reduce debris, and the core section may include a fourth cutting tip to reduce debris. The core section may include a first nozzle to dispense the fluid slurry, and the fluid slurry may be concrete slurry. The nozzle may be located approximately in the midsection of the core section, and the core section may include a second nozzle approximately in the bottom of the core section. The flight member may be inclined with respect to the core section. The soil processing tool may include a nozzle being positioned only within a space defined by the barrel section. | 05-10-2012 |
20120282040 | SEA BED LEVELLING AND CONSOLIDATION SYSTEM - A system for the levelling and consoliation of the sea bed that comprises of a suction hood ( | 11-08-2012 |
20130064610 | SUSPENSION EXTRACTION DEVICE - The present invention concerns a device for proving the quality of a jet grouting body. Such a jet grouting body is produced by means of a drilling and grouting linkage assembly. An extraction device according to the invention for extracting a suspension from such a jet grouting body comprises: a first segment with a cavity comprising a fluid, in particular a liquid, in which a first chamber is provided, the volume of which can be modified and which is connected with an opening for extracting a specimen, and a further segment which is intended to receive the fluid from the cavity. By receiving the fluid in the further segment, the volume of the first chamber can be enlarged; furthermore the extraction device can be integrated in a drilling and grouting linkage assembly. | 03-14-2013 |
20130209176 | MIXTURE TO BE APPLIED ONTO A DUMP OF RESIDUE SALT - The invention relates to a mixture to be applied onto a dump of residue salt as an infiltration-inhibiting layer for reducing the occurrence of pile water caused by precipitation, wherein the mixture comprises residue salt and a mineral additive which is poorly soluble to insoluble and has hydraulically and/or pozzolanically setting properties. | 08-15-2013 |
20140314498 | Polymer grouting method for constructing ultra-thin anti-seepage wall - A polymer grouting method for constructing an ultra-thin anti-seepage wall meeting requirements of anti-seepage designs of dams, includes the following steps of: forming continuous slots on a body of the dam and the foundation which need seepage-proofing and reinforcing; and injecting two-component expansive polymer grouting materials to the slots through grouting pipes, a volume rapidly expands after the polymer grouting materials reacts and the slots are filled to form a polymer ultra-thin body, the polymer ultra-thin bodies which are adjacent are cemented together to form a continuous, uniform, and regular cementing ultra-thin polymer anti-seepage wall; this invention is different from the conventional anti-seepage wall technology whatever through the material, the mechanism or the construction methods, which has the advantages such as speediness, ultra-thinness, minimally invasive, lightness, high toughness, economy, and durability, applied in reinforcement projects of a number of the dams and dikes. | 10-23-2014 |
20140363240 | Method and Composition For Consolidating and Mechanically Strengthening Soil and/or Sand - A composition and method for consolidating and mechanically strengthening soil and/or sand, comprising: a) preparing a dry mixture, comprising: the soil and/or sand, CaCl | 12-11-2014 |
405267000 | Filling substerranean cavity (e.g., underground wall) | 17 |
20080260473 | Underground filling and sealing method - The present invention is directed to a method for filling and sealing underground voids and the like with use of a grout comprising aggregate coated with a water-activated expanded hydrophobic polymeric resin, such as polyurethane. | 10-23-2008 |
20090110489 | Ground Engineering Method - A method of modifying geotechnically unsuitable soils ( | 04-30-2009 |
20090142143 | Fly Ash Bentonite Slurry Mixture for Slurry Wall Construction - A slurry mixture for use in slurry wall trench construction. The slurry mixture includes fly ash to partially replace bentonite in soil-cement bentonite and soil bentonite cut-off wall construction. A small amount of bentonite is added to the fly ash, water and alluvial material mixture to maintain cohesiveness, prevent settlement and for decreasing permeability of the fly ash. | 06-04-2009 |
20090257829 | Method and apparatus for forming an in situ subterranean soil cement structure having a cyclonic mixing region - A method and apparatus are provided for forming an in situ subterranean soil cement structure wherein a soil processing tool incorporates a novel cyclonic mixing region. The cyclonic mixing region is formed by deflecting a jetstream which initially moves away from a hollow Kelly and, after being deflected, the jetstream is redirected into a direction flowing towards the hollow Kelly. A contoured flight is provided having an exterior contoured surface extending upwardly from a central section of the contoured flight and bends through an angle greater than 110° in order to deflect a jetstream which is directed outwardly from the hollow Kelly back towards the hollow Kelly. By preventing any of the high pressure jetstreams from impacting the side wall of the hole, higher jetstream velocities and pressures may be utilized. Two or more jetstreams may also be utilized to direct their jetstreams around a central horizontal axis to provide the cyclonic mixing region. A preferred embodiment is designed for use in clay subsoil typically found in the Gulf Coast region of the United States. This preferred embodiment utilizes a support structure strengthening the tool and also utilizes a flat bottom with cutting teeth extending downwardly below the flat bottom surface of the tool. | 10-15-2009 |
20100098501 | CONSTRUCTION METHOD FOR INSTALLING UNDERGROUND PIPES FOR HIGH-TENSION CABLES BY USING TROUGH - A construction method for installing underground pipes for high-tension cables uses a trough. The method includes the steps of forming an excavation trench by excavating the ground, installing the trough on the bottom of the excavation trench, pouring sand into the space section, placing the underground pipes on the sand, pouring again the sand onto the underground pipes, filling a gap formed between the trough and the excavation trench using sand and gravel, forming an upper protecting member on the trough, and performing surface treatment by using road pavement materials. | 04-22-2010 |
20100254768 | Apparatus and a method for constructing an underground curved multisectional wall and stratum - Unit plates are supported by unit frames connected consecutively together for turning about axes being remote from and crossing a longitudinal axis of the frames with the ability to alternately be shifted about the turning axes by rams coupled between the plates and frames and expanded while the frames are shifted continuously. The front frame supports alternately a face-and-end pumping mill, facing disk or wedge or endless chain cutter. A ski tenon supported on the front end of the front frame that is able to be engaged with a ski-trak means of adjacent from behind the same unit frames for relative turning about the axes and disengaged in the trench. | 10-07-2010 |
20100266347 | METHOD OF REGULATING AIR-FOAM STABILIZER AND METHOD OF AIR-FOAM DRILLING WORK - Control indices in drilling work with an air-foam stabilizer are clarified for stabilizing and regulating the stabilizer on the basis of the following indices relating to the air foam amount and the water or cement milk amount in the stabilizer; and a method of regulation of the air-foam stabilizer based on these is provided.
| 10-21-2010 |
20100322719 | UNDERGROUND FILLING AND SEALING METHOD - The present invention is directed to a method for filling and sealing underground voids and the like with use of a grout comprising aggregate coated with a water-activated expanded hydrophobic polymeric resin, such as polyurethane. | 12-23-2010 |
20110044769 | INJECTION HEAD FOR CARRYING OUT JET GROUTING PROCESSES - An injection head includes an upper inlet pipe ( | 02-24-2011 |
20120114428 | ANCHORING SYSTEMS FOR MINES - A grouting system for anchoring a reinforcement in a mine includes a package that is a tubular member formed of polymer film and has discrete first and second compartments. Hardenable cementitious material that is a hydratable substance and water is disposed in the first compartment. A method of forming a resin grouting capsule includes: injecting a hardenable material into a first compartment of the capsule having resin mastic; wherein the hardenable material does not substantially react with the resin mastic when injected into the first compartment. Another method of forming a resin grouting capsule includes: injecting a hardenable material into a first compartment of the capsule having catalyst mastic; wherein the hardenable material does not substantially react with the catalyst mastic when injected into the first compartment. | 05-10-2012 |
20120114429 | FROZEN BACLFILL MIX FORMULATIONS AND PROCESS FOR USE THEREOF IN UNDERGROUND MINING APPLICATIONS - Formulations are provided for producing structural members or back fill for mine stopes in environments having sub zero temperatures such as permafrost. The formulations having constituents including crushed rock (rockfill), powdered tailings, ice and water in specific ratios with attention to the prescribed gradations of the rockfill and tailings. The tailings, a readily available and very finely divided material, fill the naturally existing voids in the rockfill. The gradation of the rockfill and the bulk density of the rockfill establish the rockfill/tailings ratio, which has been determined to lie between 1 and 3 or from 50/50 to about 75/25 for optimum strength. The ice in the mix design arises from the pre-existing moisture content in the rock and tailings typically 2% to 5% for the rockfill, 8% to 25% for the tailings. The change of state of liquid water to ice on the particle surfaces is the binding mechanism of the system and is enhanced by vigorous mixing. | 05-10-2012 |
20120195694 | GROUT FOR FILLING A MICRO-TRENCH - A grout for filing a micro-trench formed in the ground includes comprises Class F fly ash in a range of approximately 0 to 30% by weight of grout and cement kiln dust in a range of approximately 50 to 90% by weight of grout. | 08-02-2012 |
20120328377 | Resin-Based Sealant Compositions Comprising Cement Kiln Dust and Methods of Use - Methods and compositions are provided that relate to resin-based sealant compositions comprising cement kiln dust. An embodiment discloses a method comprising: providing a resin-based sealant composition comprising a liquid hardenable resin component and kiln dust; and allowing the resin-based sealant composition to harden. | 12-27-2012 |
20130084137 | SEALING MATERIAL, PROCESS FOR PRODUCING SEALING MATERIALS, AND INJECTING METHOD - The primary object of the invention is to provide a sealing material and an injection method that make sure good effects on stopping water and good durability. | 04-04-2013 |
20130223939 | METHOD AND ARRANGEMENT FOR PRODUCING A TRENCH WALL ELEMENT - The invention relates to a method for producing a trench wall element in the ground, in which a trench is produced in the ground through removal of ground material by means of a removal device and a hardening medium is introduced into the trench in order to form the trench wall element. Provision is made in that between the removal device and a carrier device at least two ropes are tensioned, for which the respective positions of at least two vertically spaced rope points of a rope are ascertained through angle and distance measurements by means of a measuring device, and in that the ascertained positions of the rope points are used to determine a location of the removal device in the ground. The invention furthermore relates to an arrangement for producing a trench wall element. | 08-29-2013 |
20140234031 | METHOD, KIT AND SYSTEM FOR INJECTING GROUT INTO A BOREHOLE, METHOD OF DEPLOYING A TUBE INTO A BOREHOLE FOR GROUT INJECTION AND LEADER FOR USE IN A GROUT INJECTION SYSTEM - The system and method to inject grout into a borehole uses a leader comprising opposite fore and aft portions, a pressure-bearing member between the fore and aft portions, and a leader passage extending from a fore opening at the leader fore portion to an aft opening in the leader aft portion. A tube is attached to the leader and connected to the leader aft opening. The leader is inserted into the borehole with the fore portion first. An impelling fluid is injected in the borehole downstream of the pressure-bearing member and exteriorly of the tube, resulting in pressure being applied on the pressure-bearing member and the leader consequently advancing towards the borehole bottom end, the leader carrying the tube with it to deploy the tube in the borehole. Upstream fluid located in the borehole upstream of the pressure-bearing member is evacuated out of the borehole through the leader passage and the tube. The injection of the impelling fluid is stopped when the leader reaches a leader target position and grout is then injected in the borehole, gradually filling the borehole. The impelling fluid is evacuated from the borehole through the leader passage and the tube while the grout is injected. | 08-21-2014 |
20160194846 | MEASURING UNDERGROUND PRESSURE | 07-07-2016 |
405268000 | Lining | 6 |
20090022550 | System and Method for Lining an Earthen Formation - A method of lining an earthen formation pit includes covering at least a portion of the pit with a polymer. A portion of the polymer-covered area may be additionally covered with bentonite. The bentonite and polymer combine, when hydrated, to form a layer that is substantially water impermeable. A portion of the formation may be covered by a protective slurry of water and cement. A portion of the formation may be covered by a water-resistant layer such as, for example, a plastic tarpaulin. | 01-22-2009 |
20090022551 | Method and apparatus providing internal structural reinforcements for canal and levee walls - A levee, canal or aqueduct wall is internally supported by tensional members such as cables which stretch across the width of the waterway. In embodiments the tensional members may leave a space between the topmost member and the water level, so as to allow for passage of sea vessels above the cables. Vertical or horizontal struts or individual anchors attached to the ends of the cables may be positioned within, partially within or outside of the walls. Due to the strength of the device, the waterway wall may even be constructed at an angle to the vertical, even leaning outwards. External guying tensional members may be anchored and may connect to the wall or the internal tensional members to provide tensional support to prevent motion in the inward direction, either temporarily (such as during construction) or permanently. | 01-22-2009 |
20110188947 | DEVICE FOR CONSOLIDATING SOILS BY MEANS OF MECHANICAL MIXING AND INJECTION OF CONSOLIDATING FLUIDS | 08-04-2011 |
20120219366 | BENTONITE BARRIER COMPOSITIONS AND RELATED GEOSYNTHETIC CLAY LINERS FOR USE IN CONTAINMENT APPLICATIONS - The present invention relates to improved bentonite barrier compositions having enhanced low permeability over time in containment applications. Of the many embodiments provided herein, one embodiment includes a geosynthetic clay liner comprising: at least one geosynthetic layer; and a bentonite barrier composition comprising: bentonite and a polyanionic low molecular weight polymer. | 08-30-2012 |
20120219367 | METHODS OF USING IMPROVED BENTONITE BARRIER COMPOSITIONS AND RELATED GEOSYNTHETIC CLAY LINERS - The present invention relates to improved bentonite barrier compositions having enhanced low permeability over time in containment applications. Of the many embodiments provided herein, one embodiment includes a method comprising: providing a bentonite barrier composition comprising: bentonite; and a polyanionic low molecular weight polymer; and forming a containment using the bentonite barrier composition to provide at least partial separation for a containment from its environment. | 08-30-2012 |
20160033249 | HOT HOLE CHARGE SYSTEM AND RELATED METHODS - An apparatus, method and insulation medium for inserting and insulating a charge medium within a borehole includes a charge tube comprised of an elongate tube having a length and diameter sufficient for containing a desired quantity of a charge medium. A charge medium in a pumpable form is provided for substantially filling the charge tube. An insulation medium in a pumpable form is provided for substantially encapsulating the charge tube and substantially filling an annular space between the charge tube and the borehole for insulating the charge tube from a downhole environment in which the charge tube is to be inserted. The apparatus, methods and insulating medium can also be used for the improvement and repair of underground liners and installations and for improved treatment of mining and hazardous waste. | 02-04-2016 |
405269000 | Injector | 10 |
20090304457 | Plastic Gel Grouting Material and Method for Strengthening Ground - A plastic gel grouting material, which comprises a silica type non-hardening powdery material and water or a silica type non-hardening powdery material, a calcium type hardening developing material and water as active ingredients, is statically pressure-injected into a soft, loose or weak ground to thereby form masses derived from the grouting material per se in the ground, and concurrently therewith, to compact the surrounding earth and sand, thereby increasing density of the ground. | 12-10-2009 |
20100092248 | PACKER STRUCTURE - Provided is a packer structure for grouting which is used to inject a repair liquid into a crack of a concrete structure, the packer structure including: a packer body including a flange adhered onto the crack by a sealer, wherein a groove portion accommodating the sealer is formed on a lower surface of the flange, and a central tube that is a hollow tube extending upwards from a central portion of the flange, wherein a first coupling portion is formed at an upper portion of the central tube, has an external circumference that decreases upwards, and includes a first inclined surface; and an elastic tube having a first end connected to the first coupling portion, wherein the elastic tube inflates and deflates elastically, a repair liquid is contained in the elastic tube while the elastic tube inflates, and the repair liquid is injected into the crack by a deflation force; a repair liquid injecting tube including a second coupling portion connected to a second end of the elastic tube | 04-15-2010 |
20110110726 | JET GROUTING DEVICE WITH ROTATING ROLLER BEARING WITHIN CASING PIPE AND ROTATING PIPE - A high pressure jet grouting device generally employed with a portable stand comprised of a vertically adjustable shelf forming a platform for attaching an air motor, reduction gearing box and a releasable right angle gear box. High pressure air is pumped to the air motor and a grouting pump, the air pressure is used to turn the right angle gear and a rotatable pipe inside a casing pipe. The grouting material under pressure from the air compressor is pumped through a hose to a swivel connection on the end portion of a rotating pipe to inject the grout into the ground from a spray nozzle located at the opposite end of the rotating pipe inserted in the ground. A rotating roller bearing is provided between casing pipe and the rotating pipe. The device is small and does not require a heavy drill rig as the drilling operation is separately performed from the grouting process. | 05-12-2011 |
20110110727 | JET GROUTING APPARATUS FOR CONFINED SPACES AND RAPID MOBILIZATION REQUIREMENTS - A jet grout injection device is provided for depositing liquid grouting materials using a high pressure jet, that is compact and rapidly assembled and powered by an air compressor for safety considerations. An injection pipe and a high pressure swivel are connected with high pressure steel reinforced hydraulic hose to a grout pump. The high pressure swivel can withstand a range of 0-6000 psi. The injection pipe is rotated using two (02) 45° degree miter gears to transfer the rotation from the gear speed reducer. The air motor receives air from a compressor at a range of 0-100 psi and 0-180 cfm, the air motor | 05-12-2011 |
20110311316 | JET GROUTING EQUIPMENT - Equipment serves to form consolidated soil columns having a non-circular cross-section, and includes a mast ( | 12-22-2011 |
20120039673 | ARRANGEMENT FOR A DOWN-THE-HOLE HAMMER DRILL FOR USE IN SOIL CONSOLIDATION THROUGH JET GROUTING - The invention concern an arrangement for a down-the-hole hammer drill ( | 02-16-2012 |
20130011207 | DEVICE AND METHOD FOR SURVEYING JET GROUTING PILES IN THE GROUND - A device and a method for surveying jet grouting piles in a subsoil, which is suitable for a drilling and grouting linkage assembly for creating a hole and a jet grouting pile in a region of the hole. A measurement device is integrated in the drilling and grouting linkage assembly and comprises a scanning element that is movable from a retracted position to an extended position. The scanning element is deflected inside the measurement device through a retraction and extension housing mounted on the measurement device. The scanning element comprises at least in segments a shape-memory alloy. | 01-10-2013 |
20150361632 | DEVICE, EQUIPMENT AND METHOD FOR TREATING GROUND, CONSTRUCTIONS AND THE LIKE BY GROUTING - A device for treating ground, structures and the like by grouting, including an extended tubular body which has injection conduits extending along a longitudinal direction. One or more openings, each provided with a non-return valve and each located in a position along the longitudinal direction different from the position of the one or more openings made along each other injection conduit, are provided along each injection conduit. A plurality of such devices are fed by at least one feed distributor member, provided with a feed inlet and a plurality of outlets each connected to a feed pipe ending in a distribution attachment which is selectively coupled to one end of the tubular body of each of the treatment devices. Each outlet is thus in communication with a corresponding injection conduit through the respective feed tube. | 12-17-2015 |
20160145823 | COMPUTERISED FEED GROUTING SYSTEM FOR MULTIPLE INLET SLEEVE PIPES - A system for feeding consolidating mixture for multiple inlet sleeve pipes used for the consolidation grouting of loose ground comprising a computerised distributor valve having an inlet connection connected to a grout pumping system and a plurality of outlet connections capable of delivering cementitious grout to each of the individual inlet pipes of the multiple inlet sleeve pipe connected hydraulically thereto. Each outlet connection has a servo-valve, a pressure measuring device and a flow measuring device connected to a process controller capable of carrying out any desired feed sequence to each individual pipe present in the sleeve pipe, monitoring the pressure and volume of mixture injected. | 05-26-2016 |
20160168819 | METHOD FOR WATERPROOFING UNDERGROUND STRUCTURES | 06-16-2016 |