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WO/2021/103210A1 |
A construction method for a full-casing composite expanded disk pile, comprising: performing jet stirring at a preset position to form a composite consolidation body (301, 302), wherein the preset position comprises the preset disk posit...
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WO/2021/092552A1 |
A stand-alone motor unit includes a base having a first side and a second side adjacent the first side, an electric motor arranged in the base and including an output shaft, a power take¬ off shaft receiving torque from the motor and pr...
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WO/2021/092550A1 |
A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a first fan driven by the electric motor and configured to induce an airflow through the electric motor, a power take-off shaft recei...
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WO/2021/092444A1 |
A gas engine replacement device includes a housing, a battery receptacle coupled to the housing to receive a battery pack, a motor within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of t...
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WO/2021/092549A1 |
A stand-alone motor unit for use with a piece of power equipment includes a housing, an electric motor, a battery pack to provide power to the motor, a battery receptacle arranged on the housing and configured to receive the battery pack...
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WO/2021/092438A1 |
Bi-directional motor (36) for gas-engine replacement device (10). One embodiment provides a gas-engine replacement device (10) including a housing (14), a battery receptacle (54), a motor (36), a power take-off shaft (38) receiving torqu...
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WO/2021/079346A1 |
A soil consolidation process by cyclic injections of expanding polyurethane resins comprises the steps of injecting one or more expanding polyurethane resins through one or more tubes, performing an acoustic monitoring during the injecti...
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WO/2021/072941A1 |
Disclosed is a method for replacing and reinforcing a coastal silt soft soil foundation by performing two-time dynamic rubble compaction, the method comprising: performing first and second dynamic compaction on a coastal soft soil founda...
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WO/2021/068262A1 |
The present invention relates to an artificial soil arch-based shape-adjustable soft foundation reinforcement member, comprising a soilbag and internal filling materials, several base belts and inner truss belts provided on the soilbag, ...
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WO/2021/064620A1 |
An injection lance for permeation grouting. The injection lance (100) comprises one or more stages (150). Each stage comprises a tube (160) defining a longitudinal conduit and a resiliently deformable sleeve (170) fitted onto the exterio...
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WO/2021/065691A1 |
In a vacuum consolidation method, it is important to maintain a high vacuum pressure. A theoretical limit is -101.3 kPa (gauge pressure), and the vacuum pressure under an airtight sheet at an actual site is about -70 kPa to -80 kPa, whic...
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WO/2021/062884A1 |
A super-waterproof concrete pipe pile and a manufacturing process therefor, the pipe pile comprising: a concrete pile body (1) and several hourglass-shaped small holes (2) provided on the concrete pile body (1); the components of the con...
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WO/2021/048590A1 |
A method for compacting road foundation, comprising an angular geomorphological compactor (1) with grooved syncline and anticline at 45 degrees, which makes the first layer of foundation subbase, where the belly- fed hopper (2) receives ...
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WO/2021/036399A1 |
Disclosed is a fast sand fixing method for a high-temperature and high-salt desert based on sandstone covering. The fast sand fixing method comprises the following steps: step 1, performing geological exploration on a desert area to be c...
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WO/2021/038894A1 |
In the present invention, a first level L1 to a fourth level L4 are set in order from deepest to shallowest in ground 10 to be improved, and the first level L1 is variable. An improving body comprises: a short column 11 group that extend...
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WO/2021/038925A1 |
The present invention reduces the time and effort needed for installing a water injection pipe when installing a pumping well equipped with the water injection pipe. A pumping well 100 equipped with a water injection pipe according to ...
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WO/2021/032596A1 |
A method of forming a foundation in the ground, comprising the steps of - forming a foot (11) in the ground (100); - forming a column (12) made from a load bearing material in the ground (100) on top of the foot (11); and - forming a pil...
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WO/2021/027664A1 |
A prefabricated pipe pile structure having variable-diameter holes for soft foundation treatment and a construction method therefor. A pipe pile wall (2) is provided with a plurality of pile body small holes (1), i.e., variable-diameter ...
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WO/2021/014052A1 |
The present invention relates to a pile (100) that comprises a first elongated hollow body (101) having a first end and a second end, the first end being closed by an end member (103) provided with an opening (104), and a second elongate...
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WO/2021/004410A1 |
Disclosed in the present invention are a composite polyester hot melt adhesive, a preparation method therefor and a preparation method for an erosion-resistant geotextile, which belong to the technical field of polyester hot melt adhesiv...
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WO/2021/004007A1 |
The present invention relates to the technical field of building foundation reinforcement, comprising material collection, analysis and selection, construction parameter determining, setting out, pile hole excavation and pipe insertion, ...
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WO/2021/000387A1 |
An anti-liquefaction treatment method for high-performance gravel piles of existing building foundations. First, excavating a trench (3) in the foundations (2) around an existing building (1) by means of small equipment; using spiral dri...
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WO/2020/248702A1 |
Disclosed in the present invention is a bidirectional overall stirring apparatus. Said apparatus comprises a machine body, a frame, a feed device, a power transmission system, an outer drill device and an inner drill device. The outer dr...
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WO/2020/248596A1 |
A protection structure for preventing ground heave caused by tunnel grouting reinforcement and a grouting method, relating to the technical field of geotechnical engineering, civil engineering and municipal engineering, and comprising a ...
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WO/2020/244123A1 |
Disclosed is a method for treating a collapsible loess foundation with vibration rod compaction, comprising the following steps: (1) construction preparation, (2) vibration point positioning, (3) vibration and liquid injection, (4) vibra...
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WO/2020/240779A1 |
The purpose of the invention is to accelerate subsidence of ground 1 by soil consolidation by way of applying an impact force to the ground 1 while compacting a soil skeleton in which pore water between soil particles in the ground 1 has...
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WO/2020/240263A1 |
The present invention relates to a method for inducing ground consolidation. The method comprises providing a first chamber (7) in a first hole (3) in the ground (5), and a second chamber (7) in a second hole (3) in the ground (5), the f...
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WO/2020/229679A1 |
One example relates to a filling chimney (11) configured to be coupled to a silo tube of a deep vibrator arrangement. The filling chimney (11) extends in a longitudinal direction (z) and includes an outer wall (111) surrounding an intern...
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WO/2020/229873A1 |
A surface compactor machine includes an unsprung mass (22) including a cylindrical drum (12a, 12b) and a cylindrical spool (16a, 16b) disposed within the cylindrical drum, and a sprung mass (32) rotationally coupled to the cylindrical sp...
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WO/2020/215419A1 |
The present invention relates to the technical field of in-situ solidifying and drainage technology for silt and soft soil foundations, and disclosed is an in-situ solidifying and drainage structure for silt and soft soil foundations, co...
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WO/2020/217188A1 |
The invention discloses an in-situ method for reducing hydraulic conductivity and generating the precipitation of insoluble minerals in an underground aquifer which is affected by seepage of surface water or by seepage of water from a mi...
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WO/2020/198818A1 |
The present application relates to a method for separating mining waste in situ, i.e. in dams, that essentially includes (i) inserting at least one vibrating tool (1) into the ground, said tool being connected to at least one vibration u...
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WO/2019/078706A9 |
A mallet is described that has at least one cleft, in such a structure that the stress wave created during impact has longer travel way than the length of the mallet as measured along the impact line. This mallet induces longer-lasting a...
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WO/2020/200509A1 |
The invention relates to a soil-compacting machine (1) for compacting soil (8), in particular a tandem roller, single-drum compactor, pneumatic-tired roller or trench roller, comprising a machine frame (3), at least one running unit (6),...
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WO/2020/201854A1 |
A drill including a drill flight where the drill flight changes angle from a primary flight angle (A1) to a secondary flight angle (A2).
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WO/2020/192279A1 |
Disclosed is an electro-osmosis strengthening method used for reinforcing soft clay foundations, comprising the following steps: inserting electrodes in the vertical and horizontal directions into a soft clay foundation; forming a horizo...
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WO/2020/184761A1 |
The present invention relates to a ground improvement method for an organic soil stratum, in which organic soil inside a first drilled hole formed in an organic soil stratum located at the upper portion of the ground is removed, and then...
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WO/2020/186035A1 |
A scarifier assembly for connection to a vehicle, including right and left first and second pivots. The scarifier assembly has a pivotal arm assembly having a rear cross member extending between and connected to forward extending right a...
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WO/2020/173100A1 |
The present disclosure provides a reinforcement apparatus and construction method for local freezing reinforcement of a deep foundation pit in a water-rich sand gravel stratum. The reinforcement apparatus comprises a plurality of concret...
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WO/2020/155026A1 |
A liquefaction-resistant pile applicable to an easily liquefiable soil layer comprises a pile body and a pile head. The pile body has a hollow cylindrical structure, and the pile head has a conical structure. The pile body and the pile h...
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WO/2020/151769A1 |
An apparatus for layered reinforcement of ultra-soft soil subgrade, and a construction method. The core of the present invention is a multilayer drainage body; the multilayer drainage body comprises: drain lines; a main line, the body of...
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WO/2020/153974A1 |
A method and composition for reducing the swelling capacity of clay-containing soil, thus lowering volume change in soil, and thus enhancing the stability of soil, particularly expansive clay soil, in order that it is sufficiently stable...
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WO/2020/147975A1 |
The invention relates to a vibrator assembly for improving foundation soil, comprising: a lock, which has a silo tube and a lock drive for moving the lock, the lock being designed to receive bulk material and to conduct the bulk material...
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WO/2020/136927A1 |
A ground improvement body comprising: a group of short cylindrical columns 11 that are formed from a first level L1 to a second level L2 by a column construction machine 30 that rotates on a horizontal plane, where the first level L1, th...
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WO/2020/136664A1 |
Present invention relates to method of reducing swelling of expansive soils of expansive soils by granular pile technique. Besides initial moisture content. W i , the spacing between the piles (expressed by s/d ratio; s = spacing between...
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WO/2020/128275A1 |
Disclosed is a ground treatment assistance method comprising the following steps: providing a machine comprising a ground treatment tool (12); providing geographical coordinates of at least one treatment zone (Zt1); determining data for ...
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WO/2020/127569A1 |
An artificial geological barrier, compositions for use in artificial geological barriers, methods of making said artificial geological barriers and composition, and uses of said artificial geological barriers and compositions.
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WO/2020/119102A1 |
A degradable drainage board, a material composition, and a manufacturing process therefor, related to the technical field of drainage boards. A degradable board body is manufactured with a plant fiber at 65-75% and a solid adhesive agent...
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WO/2020/121738A1 |
Provided is a two-part soil grouting material which comprises a liquid A which is a mixed slurry of water and a powder material A containing calcium aluminate and carboxylate, and a liquid B which is a mixed slurry of water and a powder ...
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WO/2020/109682A1 |
Method for treating soil (S), characterised in that it comprises the steps in which: a tube (10) is provided, a borehole (F) is made which has a drilling depth, the tube is positioned in the borehole at a first predetermined depth (P1) w...
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