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199 results about "Geocells" patented technology

Geocells are used in civil engineering for roadway load support, walls and steep slopes, channel protection and erosion control. They are typically made from ultrasonically welded high density polyethylene strips and expanded on-site to form a honeycomb structure which is subsequently filled with sand, gravel, locally available soil, or concrete.

Ultrahigh reinforced body preloading structure

The utility model provides a superhigh reinforced body preloading structure. The treatment structure comprises a reinforced body working cushion layer, a water separation and drainage reinforced layer and an ultrahigh reinforced body stacking structure layer. The reinforced body working cushion layer comprises machine-made sand and an A-type geocell, the water insulation and drainage reinforced body structure comprises non-woven geotextile, a seepage insulation film and multiple layers of composite drainage grids, the composite drainage grids are adopted to replace a medium-coarse sand drainage layer, a vertical drainage plate is directly connected with the middle layer of composite drainage grids, and the vertical drainage plate is directly connected with the middle layer of composite drainage grids. The ultrahigh reinforced body stacking structure layer comprises non-woven geotextile, construction waste, B-type geocells and mineral powder. The foundation treatment effect is good, the sand consumption is reduced, the manufacturing cost is saved, design and engineering application are facilitated, and the engineering application prospect is very wide.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC

Geocell with fastener joints

The utility model relates to the technical field of geocells, in particular to a geocell with fastener joints. Specifically, for any belt body of the geocell, a plurality of clamping parts which are evenly distributed in the length direction of the belt body are arranged on the belt body, and each clamping part is composed of a plurality of parallel kerfs; for any node of the geocell, two fasteners and a locking piece are arranged at the node; the fastener comprises a base body, and a plurality of limiting units are fixedly arranged above the base body; under the condition that the two fasteners are fastened oppositely, the limiting unit of one fastener is embedded with the limiting unit of the other fastener; the clamping parts of the two belt bodies at the node are overlapped, and the overlapped clamping parts are clamped between the limiting unit of one fastener and the limiting unit of the other fastener by the two fasteners; and the locking piece is used for locking the two fasteners which are oppositely fastened at the node. The joints of the geocell are excellent in mechanical property, and the geocell further has the advantages of being high in safety and low in cost.
Owner:CHENGDU LUBAO ENG MATERIALS CO LTD

Earthwork standard room structure

The utility model provides a geocell structure, which relates to the technical field of geocells and comprises a geocell body, a steel wire fixing frame is arranged in the geocell body, a plurality of first limiting rings are symmetrically arranged at two ends of the steel wire fixing frame, and first ground anchors are inserted into the inner sides of the first limiting rings. The geocell body can be divided into a plurality of modules with the same size through the steel wire fixing frames, manual grass planting work of workers is facilitated, meanwhile, the overall strength of the geocell body is enhanced, and the geocell body is prevented from being deformed and damaged due to treading of the workers; the steel wire fixing frame is arranged on the side wave soil layer, the tip end of the steel wire fixing frame is inserted into the side wave soil layer, and then the steel wire fixing frame is tightened and prevented from loosening, so that the strength and stability of the geocell body are improved, meanwhile, potential safety hazards possibly existing when workers plant grass manually are avoided, and the actual use requirement is met.
Owner:ROAD & BRIDGE INT CO LTD +2

Earthwork standard room with node protection structure

The utility model relates to the technical field of geocells, in particular to a geocell with a node protection structure. The geocell comprises a belt body and a node connecting piece, wherein the node connecting piece comprises an inserting rod; a plurality of mutually parallel kerfs are formed in the belt body at the nodes, the length direction of the kerfs is parallel to the length direction of the belt body, and the kerfs penetrate through the belt body in the thickness direction of the belt body; at the node, the insertion rods are inserted into the front and back surfaces of the belt body in a staggered manner through the kerfs; the node protection structure is located outside the node and wraps the belt body at the node, and the kerf on the belt body at the node is located inside the node protection structure. According to the design of the geocell, the belt body at the joint of the geocell can be protected; in addition, workers can be prevented from being scratched by the joint structure of the geocell.
Owner:CHENGDU LUBAO ENG MATERIALS CO LTD

Ecological slope protection structure and construction method thereof

The invention provides an ecological slope protection structure and a construction method thereof, and relates to the field of slope engineering, the ecological slope protection structure comprises a geocell arranged in a shallow soil body of a slope surface, and plants are planted in the geocell; the precast concrete beam is arranged on the upper surface of the geocell and is arranged along the inclination direction of the slope slope surface; the cast-in-place concrete beams are arranged on the slope top, the slope middle and the slope toe respectively, the cast-in-place concrete beam located on the slope top is connected with the top of the prefabricated concrete beam, the cast-in-place concrete beam located on the slope toe is connected with the bottom of the prefabricated concrete beam, and the cast-in-place concrete beam located on the slope middle presses the prefabricated concrete beam on the slope face of the slope. The method has the effect of improving the overall stability of the slope.
Owner:WUHAN UNIV

Expansive soil core-filled roadbed structure

The utility model relates to a subgrade structure with an expansive soil filling core. The subgrade structure sequentially comprises a foundation, a broken stone hardcore, a non-woven geotextile inverted filter layer and the expansive soil filling core. The slope surfaces on the two sides of the expansive soil filling core are each sequentially provided with an edge sealing clay layer, a side slope anti-seepage geomembrane and a concrete slope protection building block from inside to outside; an asphalt concrete waterproof layer and a capping clay layer are sequentially arranged at the top of the expansive soil filling core from top to bottom; the top of the expansive soil filling core is provided with a first layer of anti-expansion geocell; a second layer of anti-expansion geocell is arranged below the first layer of anti-expansion geocell in parallel; a permeable hose penetrating into the expansive soil filling core is arranged on the concrete slope protection building block. According to the utility model, the influence on roadbed stability and driving safety caused by embankment slope instability and roadbed surface arching due to water absorption expansion of the expansive soil filling core of the embankment in the plum rain climate region can be avoided, and the long-term stability of the expansive soil filling core embankment in the plum rain climate region is improved.
Owner:CHINA RAILWAY 16TH BUREAU GRP RAIL TRANSPORT ENG CO LTD

Road structure suitable for valley terrain

The utility model discloses a road structure suitable for a valley terrain. The road structure comprises an original foundation excavation step, a cement concrete pile, a sand cushion layer, a cement concrete plate, a pipe culvert, waterproof geotechnical cloth, a cement concrete wall, a hard geocell, a pavement structure and an EPS (Expandable Polystyrene) filling block. The pile foundation structure and the cement concrete plate are arranged at the bottom of the road structure, the cement concrete wall pairs divide the EPS filling area into a plurality of units and make direct contact with the exposed part of the pipe culvert to fix the pipe culvert, the hard geocell is laid on the cement concrete-EPS composite roadbed, and the pavement structure is laid on the geocell which is backfilled with plain soil. Through the combined arrangement of the pipe culvert and the sand cushion layer, smooth drainage of the valley terrain is guaranteed, the waterproof effect of the EPS roadbed is guaranteed through the arrangement of the reinforced concrete pouring structure and the waterproof structure layer, the pile foundation can transmit loads to a deeper soil layer with higher bearing capacity, construction is convenient, noise is avoided, and differential settlement of the roadbed is effectively reduced.
Owner:HEBEI UNIV OF TECH

Roadbed filler and earthwork standard room setting optimization analysis method

The invention relates to the field of electrical digital data processing, and provides a roadbed filler and geocell setting optimization analysis method, which comprises the following steps: S1, carrying out joint simulation analysis on three factors to obtain different settlement displacement values under the joint action of the three factors; s2, the settlement displacement value is substituted into response analysis software, and a Box-Behnken response optimization method is used for analysis; s3, analyzing the primary and secondary effect relationship of the influence of the three factors on roadbed settlement according to a settlement regression analysis result obtained through response analysis; and S4, according to the regression equation model, analyzing the response curved surface diagram and the contour map, determining the influence of three factors of experimental design on roadbed settlement, and taking a settlement minimum value as an optimization analysis target to obtain an optimal prediction scheme. According to the method, a test design method based on three levels is designed through a Box-Behnken response optimization method, and through reasonable arrangement of test points, a plurality of factors and the interaction of the factors can be evaluated under the condition that the number of test times is small.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Connecting mechanism for geocell and geocell assembly

The utility model relates to the field of earthwork standard room construction, in particular to a connecting mechanism for earthwork standard rooms and an earthwork standard room assembly, the connecting mechanism clamps the side walls of the earthwork standard rooms, so that the adjacent earthwork standard rooms are mutually connected, and the assembly of the earthwork standard room assembly is realized; the arc-shaped connecting section provides elastic force, and it is guaranteed that self-locking can be achieved after the first connecting part and the second connecting part are connected; the first connecting part and the second connecting part are detachably connected, so that the connecting mechanism can be quickly mounted and dismounted on the geocell, and the assembly and adjustment of the geocell assembly are facilitated; the side walls of the adjacent earthwork standard rooms are stacked and then clamped and fixed between the first connecting rod and the second connecting rod, so that the adjacent earthwork standard rooms are connected with each other; according to the earthwork standard room assembly, the adjacent earthwork standard rooms can be rapidly connected or disassembled through the connecting mechanisms, operators can conveniently adjust the earthwork standard rooms, the construction operation efficiency of the earthwork standard rooms is improved, and the construction difficulty is reduced.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Soil fixation method suitable for sandy soil geological conditions

The invention discloses a soil fixation method suitable for sandy soil geological conditions, and belongs to the technical field of soil conservation. Comprising the steps that S1, natural gullies formed by sandy soil are classified according to the depth, and the natural gullies are divided into three types with the depth smaller than or equal to 0.1 m, the depth larger than 0.1 m and smaller than or equal to 0.5 m and the depth larger than 0.5 m; s2, for the gully with the depth larger than 0.5 m, a drainage channel is formed through excavation, a plurality of sand blocking structures are installed in the drainage channel, the depth of the sand blocking structures is lower than that of the drainage channel, bottom plates are installed on the upstream and the downstream of the sand blocking structures, meanwhile, side walls are installed on the vertical walls on the two sides of the drainage channel, and the depth of the side walls is lower than that of the drainage channel. Through the modes of arranging the sand blocking structure, arranging the bottom plate, the geotechnical cloth and the geocell, backfilling the backfill soil and the like, a drainage channel of an original gully is reserved, the soil is kept at the original position, the situation that a new gully is formed due to repeated flushing is avoided, a stable and effective drainage system is formed, and further expansion of the gully is effectively controlled.
Owner:POWERCHINA HUADONG ENG CORP LTD +1

High-strength geocell with embossed surface

The utility model discloses a high-strength geocell with embossed surfaces, and relates to the technical field of geocells. The high-strength geocell with the embossed surface comprises ground strips with embossed grooves formed in the surfaces, the adjacent ground strips are connected through connecting areas, the high-strength geocell further comprises connecting pieces with connecting cavities, the connecting pieces are arranged on the connecting areas and used for fixing the connecting areas, and the front ends and the rear ends of the connecting pieces are connected through connecting assemblies; the rivet ground head is fixedly connected to the connecting piece; second open grooves are formed in the two ends of the restraint strap; according to the utility model, the restraint strap is connected to the connecting piece, so that the restraint strap can be connected to the connecting piece in a pre-mounting manner, and then the mounting of the restraint strap can be quickly completed after the connecting piece wraps and is locked in the connecting area of the ground strip, and the connecting assembly of the connecting piece for connection has various implementation modes; and quick connection of connecting pieces can be facilitated.
Owner:SHANDONG LIANXIANG NEW MATERIALS GROUP CO LTD

Earthwork standard room, node structure of earthwork standard room, manufacturing method of earthwork standard room and pouring mold

The invention provides an earthwork standard room and a node structure thereof, a manufacturing method of the earthwork standard room and a pouring mould, the earthwork standard room comprises a first strip and a second strip, a connecting node is arranged between the first strip and the second strip, the node is formed by attaching strips with preset length, and the first strip and the second strip are arranged along the length direction of the strips. Each node is provided with a first connection area and a second connection area which are distributed at the two ends of the length, and a strip between the first connection area and the second connection area is divided into multiple layers through separation seams and stretches out in a staggered mode in the thickness direction to form a cavity channel. And the nodes are wrapped by colloid. The colloid is poured into the cavity channel in the filling process and wraps the first connecting area, the second connecting area and the periphery of the cavity channel, and the joints and the colloid form a multi-layer connecting structure, so that the earthwork standard room obtains higher connecting strength at the joint positions, the first strip and the second strip are not prone to stripping at the joint positions, and therefore the connecting strength of the earthwork standard room is improved. And the tensile capacity and the shearing strength of the geocell are greatly improved.
Owner:ANHUI HUIFENG NEW SYNTHETIC MATERIALS CO LTD

Rock mass - soil - plant - microorganism slope ecological restoration system and construction method

The present invention provides a rock mass - soil - plant - microorganism slope ecological restoration system and a construction method. It is characterized in that multi - level slope - cutting platforms are arranged on the rock mass slope for unloading, and longitudinal drainage ditches are arranged at the platforms to guide the collected water, reducing the flushing of the nutrient soil in the geocells and reducing the load weight of the geocells; by driving grouting anchor rods, the geocells are tightened and fixed by the anchor rods - tie bars - cross - shaped tie bars, and adjacent geocells are connected by U - shaped steel nails; the surface of the geocells is sprayed with an integrated matrix of soil - plant - microorganism, and the interaction between plants and microorganisms is utilized to improve the survival rate and growth rate of plants, and quickly restore the original plant community structure and ecosystem function.
Owner:ZHEJIANG SHIRUN JIANCHUANG TECH DEV CO LTD +1

A solid waste-based geocell filler, its preparation method and application

The present invention discloses a solid waste-based geocell filler, its preparation method and application. The solid waste-based geocell filler comprises, by mass parts, 100-200 parts of air-dried silt soil, 50-100 parts of solid waste-based curing agent, 10-20 parts of water and 0.1-2 parts of functional material; the solid waste-based curing agent comprises, by mass percentage, 10%-30% of cement, 15%-25% of slag, 5%-15% of fly ash, 20%-30% of steel slag, 10%-20% of carbide slag, 5%-10% of red mud, 10%-20% of rice husk ash and 5%-10% of desulfurized gypsum; the functional material is waste tire fragments with a particle size of 1-20 mm. The present invention innovatively adds tire fragments. After adding the tire fragments, the gel filled in the internal pores of the mixture composed of the curing agent and the silt is wrapped and entangled by the tire fragments, forming a stable three-dimensional network structure inside the soil particles, further restricting the rolling and movement of the soil particles, and improving the internal stability and overall strength of the solidified silt soil.
Owner:中国水利水电第七工程局有限公司 +1

Welding machine for geocell production

ActiveCN116728794BUltrasonic weldingGeocells
This invention discloses a welding machine for geocell production, comprising a base plate, a conveyor belt above the base plate, a mounting box on one side of the first sheet material base plate on the conveyor belt, a top plate on the top of the mounting box, a pressing structure on the top plate, a cylinder output end passing through the top plate and having a pressing plate thereon, and several ultrasonic welding heads at the bottom of the pressing plate; a pad cutter at the bottom of the pressing plate, and sheet cutters on both sides of the bottom of the pressing plate; a feeding structure on the surface of the mounting box, several rotating rollers rotatably mounted on the surface of the mounting box, several pads between each pair of rotating rollers, and the rotating rollers being connected by a drive mechanism; a second sheet material between the two mounting plates, and a third sheet material adsorbed on the bottom surface of the pressing plate; different groups of rotating rollers are driven by a chain, so that the motors on both sides can drive the rotating rollers of the same group to rotate in different directions via the chain, thereby completing the discharge of the pads.
Owner:ANHUI HUIFENG NEW SYNTHETIC MATERIALS CO LTD

Reinforced soil wall construction method

To provide a reinforced soil wall construction method eliminating dripping of a filler such as sediment from a front face of a retaining wall while securing stability of a wall face material.SOLUTION: A wall face material comprises geo-cells 2 having restraining parts 7 where a plurality of approximately strip-like strip members 5 are formed by being joined at each predetermined interval and which restrain a filler by separating non-connected parts between the strip members 5 from each other, wherein the geo-cell 2 includes a specific geo-cell 92 provided with a plurality of normal strip members 5 with the approximately same height dimension to each other, and specific strip members 50 larger than the normal strip members 5 arranged on a forefront line. In a process of forming a wall part 3 by stacking the plurality of specific geo-cells 92 vertically, the specific strip members 50 are arranged on the forefront line. When vertically stacking other specific geo-cells 92 on the upper stage of the specific geo-cells 92, lower end parts of the specific strip members 50 of the upper specific geo-cells 92 on the upper stage are stacked so as to be overlapped on a rear part of upper end parts of the specific strip members 50 of the specific geo-cells 92 on the lower stage.SELECTED DRAWING: Figure 7
Owner:GEOVECTOR CORP

Composite prevention structure for preventing soft soil and miscellaneous fill from interpenetration and construction method

PendingCN122446682AMicroorganismSoil science
The application discloses a composite prevention and treatment structure for preventing soft soil and miscellaneous fill from interpenetrating and a construction method, and belongs to the technical field of foundation treatment. The structure is arranged between a soft soil layer and a miscellaneous fill layer and sequentially comprises, from bottom to top, a lower layer isolation unit composed of a geocell filled with granular materials and forming a flexible raft support, a microbial cementation unit including a three-dimensional microbial carrier layer and microbial mineralization products planted in the three-dimensional microbial carrier layer, and an upper layer constraint unit adopting a geogrid and a mechanical interlocking with the miscellaneous fill. Through the synergistic effect of physical isolation and biological cementation, the calcium carbonate crystals generated by MICP are used to block the interface micro-pores, and the macro-reinforcing function of the geosynthetic material is combined, so that the interface fine particle loss and interpenetration deformation problems are effectively solved. The application has the advantages of high shear strength, good reinforcement uniformity, green environmental protection, strong puncture resistance and the like, and can significantly improve the long-term stability of a complex foundation.
Owner:CHINA RAILWAY CONSTR GROUP CO LTD +2

A geocell with internal support structure

The utility model relates to the technical field of civil engineering, and specifically discloses a geocell with internal support structure, which comprises a strip, a rotating rod one and a rotating rod two rotatably connected to the strip through a clamping plate, a plug plate one and a plug plate two rotatably connected to the rotating rod one and the rotating rod two respectively, the plug plate two inserted into the plug plate one through a plug strip, a triangular plate elastically connected to the plug strip, and the triangular plate in contact with the plug plate one, the utility model has the beneficial effects that the plug strip can be inserted into the plug slot by moving the plug plate one and the plug plate two, the plug plate one and the plug plate two are fixed through the triangular plate, the rotating rod one and the rotating rod two are limited and fixed through the limiting strip, the strip is internally supported, the device is convenient to use, can be quickly connected, and can effectively support.
Owner:RUIHUI NEW MATERIALS (JIANGSU) CO LTD

Retaining wall and method for making such

Method for making retaining walls (1) comprising the steps of: - arranging at least one geocell block (10) comprising at least one geocell layer (11) defined by a plurality of geocells (12) laterally adjacent to each other, on a ground support surface, so that side walls (13) of the geocells (13) are arranged perpendicular to the ground support surface, - arranging at least a first section (20a) of a reinforcing strip (20) parallel to the ground support surface, - connecting at least one constraining accessory (30) to the side walls (13) of at least one geocell (12), said constraining accessory (30) being shaped so as to prevent the side walls (13) of the geocell (12) from approaching or receding from each other, - arranging a layer of mineral filler with a height at least equal to the height of the side walls (13) of the at least one geocell layer (11) on the ground support surface so that the geocell block (10) is embedded within the layer of mineral filler, - constraining at least a second section (20b) of the reinforcing strip (20) with the constraining accessory (30) so that the geocell block (10) is retained in the filler layer by the reinforcing strip (20), defining a retaining wall (1) adapted to confine the filler layer.
Owner:HYPER FIBERS SRL

Geocell pull-out test device and test method under freeze-thaw cycle

The invention relates to the technical field of frozen soil mechanical tests, in particular to an earthwork standard room pull-out test device under freezing and thawing cycles and a test method. The constant-temperature water circulation assembly is arranged on the support base; the constant-temperature water circulation assembly is arranged on the support base, the freeze-thaw circulation assembly is arranged on the support base, the freeze-thaw circulation assembly is communicated with the constant-temperature water circulation assembly, and a material box is installed in the freeze-thaw circulation assembly; the normal pressure test assembly is located on the upper side of the material box, and the pressure test end of the normal pressure test assembly faces the material box; and the geocell fixing assembly is installed on a drawing assembly, and the drawing assembly is installed on the side wall of the freezing and thawing circulation assembly. According to the invention, it is convenient to simulate that the geocell is under different freeze-thaw cycle conditions, and the accuracy of the geocell test is improved.
Owner:XINJIANG CONSTR RES INST (CO LTD)

Geocell with protective structure

The utility model relates to the technical field of geocell, concretely to geocell with protection structure, including geocell body, the geocell body top is provided with the fender, the fender both sides wall fixed mounting has the connecting plate, two groups The connecting plate one side is fixedly installed and is limited to block, the limit block surface is provided with threaded column, the limit block one side is provided with the installation slot, the installation slot is provided with the limit plate no.
Owner:RUIHUI NEW MATERIALS (JIANGSU) CO LTD

Grid chamber clamping sleeve for anchoring slope slope

The utility model belongs to the field of slope slopes, and particularly discloses a geocell clamping sleeve for slope slope anchoring, which comprises a geocell and a fixing mechanism. The geocell is composed of a plurality of square cell bodies, and the fixing mechanisms are located at the junctions of the four adjacent square cell bodies. The fixing mechanism comprises a clamping sleeve body, first L-shaped supports are fixedly installed on the two sides of the clamping sleeve body correspondingly, second L-shaped supports are fixedly installed on the two sides of the clamping sleeve body at the bottoms of the first L-shaped supports correspondingly, U-shaped frames are fixedly installed at the bottoms of the two first L-shaped supports correspondingly, and fixing hooks are fixedly installed at the front ends of the two U-shaped frames correspondingly. The clamping sleeve body is arranged on a fixed anchor rod in a sleeving mode for connection, the two U-shaped frames on the clamping sleeve body can be clamped into the adjacent geocells at the same time, the geocells are prevented from being bent due to the flexibility of the geocells, the geocells are stabilized to be in a square shape, and follow-up work such as soil covering is facilitated.
Owner:CHANGAN UNIV

Ecological restoration method for subsidence ponding area

The invention discloses an ecological restoration method for a subsidence ponding area, and relates to the technical field of ecological restoration of mine environments. The method comprises the steps that a subsidence water accumulation area is divided into a side slope area and a water storage area; the slope area comprises a land area and a waterfront area, and the water storage area comprises a shallow water area and a deep water area; the land area is trimmed, and the waterfront area is trimmed; the shallow water area is trimmed, and the edge, close to the shallow water area, of the deep water area is trimmed; performing soil improvement in the land area to enable the land area to become cultivated land; geocells are laid in the waterfront area, the geocells are filled with soil, and herbaceous plants are planted in the geocells; planting aquatic plants in the shallow water area; aquatic organisms are bred in the deepwater area. The subsidence ponding area is subjected to production restoration, the water and soil utilization rate of the subsidence ponding area is increased, a complete subsidence ponding area ecological system is constructed, and the method is suitable for restoration and treatment of the ecological environment of various subsidence ponding areas.
Owner:安徽金联地矿科技有限公司

A device for reinforcing and repairing a water conservancy channel slope landslide

ActiveCN224678625UGeocellsLandslide
The utility model discloses a water conservancy channel side slope landslide reinforcement repair device, including water conservancy channel main part, water conservancy channel main part inside is "V" shape structure, the recess is seted up in water conservancy channel main part inner wall, the recess inside is provided with the net box, and the net box is filled with the support stone piece, the inner wall of water conservancy channel main part is paved with waterproof cloth, and the waterproof cloth outer wall is provided with the geocell, the diamond through -hole is seted up in the geocell inside, and the diamond through -hole inside is filled with sand soil stable layer, and the geocell inside is filled with sand soil stable layer, and is provided with ecological protection layer on the geocell, and the water conservancy channel main part inner wall is provided with the net box, the net box, waterproof cloth, geocell, sand soil stable layer and ecological protection layer all about the bisecting line of water conservancy channel main part are left and right symmetry distribution, and the net box is located the lower extreme of geocell. The device can realize the fast repair of water conservancy channel main part side slope, to realize the normal use of water conservancy channel main part fastest.
Owner:JIANGXI HYDROPOWER ENG BUREAU

Geocell composite pavement structure and rapid construction method

The invention discloses an earthwork standard room composite pavement structure and a rapid construction method, and relates to the technical field of mine laneway engineering construction, the top of a compacted roadbed is provided with an earthwork standard room reinforced solid waste base layer, the top of the earthwork standard room reinforced solid waste base layer is provided with an isolation layer, and the top of the isolation layer is provided with a thin fiber reinforced concrete surface layer; a pavement main body material (filling materials in cells) directly adopts underground tunneling waste rocks, so that the two-way transportation cost of lifting the part of the material out of a well and then transporting concrete is saved, meanwhile, the thickness of a concrete surface layer can be reduced by 40-50%, and the underground transportation amount of commercial building materials such as cement and gravel is directly and greatly reduced; a raft effect is formed by constraint of the earthwork standard room on gravel, the foundation bearing capacity is high, differential settlement is small, and the fiber reinforced thin-layer concrete is excellent in bending resistance, impact resistance and fatigue resistance, and is particularly suitable for heavy load and dynamic load impact of underground dump trucks and carry-scrapers (such as equipment with the load capacity of 20-30 tons).
Owner:HUNAN LIANSHAO CONSTR ENG GRP

A roadbed widening method

The present invention discloses a roadbed widening method, which relates to the field of highway construction and addresses existing issues such as differential settlement between new and old roadbeds, poor durability, and significant environmental impacts of construction waste. The method comprises driving sheet piles to a certain embedding depth, excavating the existing roadbed, and driving reinforcing anchor rods; placing L-shaped panels and laying internal geocells; placing the topmost L-shaped panel; tensioning the prestressed anchor rods, and after tensioning is complete, locking the fixed ends of the prestressed anchor rods; and laying surface geocells to complete the construction of the widened roadbed structure. The present invention can be used for road widening construction.
Owner:SHIJIAZHUANG TIEDAO UNIV +2

Earthwork standard room dividing device

The utility model discloses an earthwork standard room dividing device, and relates to the field of earthwork standard room production equipment. The utility model relates to an earthwork standard room dividing device which comprises a rack and further comprises two rows of rotating shafts rotationally connected to the rack. The driving rollers are symmetrically and fixedly connected to the rotating shaft; the conveying belt is connected to the driving rollers located on the same side in a sleeving mode; compared with a traditional mode that small sheets are firstly cut and then welded, the cutting mode that the wide sheets are firstly welded and then cut is adopted, the welding time for welding the large-width geocell and the small-width geocell is basically the same, and the operation of cutting the large-width geocell into the small-width geocell is relatively rapid, so that the production cycle can be effectively shortened, and the production efficiency is improved. The production efficiency is improved, the problems of long production period and low production efficiency caused by the fact that small sheets are firstly cut and then welded when the geocell with the height below 10cm is produced are solved, and the influence of welding time on the production efficiency is effectively reduced by changing the production process and firstly welding wide sheets and then cutting.
Owner:SHANDONG MAOLONG NEW MATERIALS TECHNOLOGY CO LTD

Non-woven fabric novel geocell welding machine

PendingCN120206812AUltrasonic weldingGeocells
The novel non-woven fabric geocell welding machine comprises a plc, an ultrasonic welding machine, a man-machine interaction screen, an operation frame and an operation platform, a feeding port is formed in the operation platform, an alternating device is arranged in the operation frame, and the alternating device comprises a first pressing block, a second pressing block and a first cross beam; accurate positioning, alternate pressing and continuous welding of multiple layers of non-woven fabric strips are achieved through the second cross beam, the first horizontal linear module, the second horizontal linear module, the first vertical linear module, the second vertical linear module and the novel non-woven fabric geocell welding machine. The PLC dispatches all the linear modules to automatically complete cloth conveying, platform displacement, alternate pressing of the pressing blocks and ultrasonic welding, welding spots are uniform, and the welding precision is improved. And the auxiliary pressing air cylinder pre-presses the cloth, pseudo soldering is avoided, welding spot firmness and consistency are enhanced, and non-woven fabrics of different specifications are adapted.
Owner:SHANGHAI RUIMIN MASCH MFG CO LTD

A mine steep slope anti-seepage system based on polymerized mineral anti-seepage materials

The utility model discloses a mine pit steep slope anti-seepage system based on high molecular polymer mineral anti-seepage material, comprising a drainage mechanism, a drainage guide mechanism, an anti-seepage mechanism and an anchor mechanism arranged on the mine pit steep slope, the drainage mechanism comprising a dark ditch arranged on the mine pit steep slope, a prefabricated drainage dark ditch block arranged in the dark ditch, a pumping assembly arranged in the prefabricated drainage dark ditch block, the drainage guide mechanism comprising an inner geocell arranged on the mine pit steep slope and a drainage pipe, the anti-seepage mechanism comprising an outer geocell arranged on the mine pit steep slope, and the anchor mechanism comprising a T-shaped anchor rod installed on the mine pit steep slope. The utility model adopts the method of filling the outer geocell with high molecular polymer mineral anti-seepage material, and does not need to perform complicated excavation or backfilling operations on the mountain slope, reduces the earthwork engineering volume, reduces the complexity and difficulty of construction, and thus significantly reduces the construction cost.
Owner:SHANG HAI SHENG YI TECH CO LTD