446 results about "Geogrid" patented technology

The invention discloses a soft soil foundation embankment heightening and widening structure and a construction method, and belongs to the field of water conservancy projects. In order to solve the problems of uneven settlement, landslide instability and overlarge occupied area easily occurring when the soft soil foundation embankment is heightened and widened, the structure comprises precast concrete piles (top beams and ripraps are arranged on the tops of the piles) densely arranged at the slope toe outside the embankment, an inner side cantilever retaining wall (with drainage holes and a gravel inverted filter), geogrids laid in backfill soil in a layered mode, and CFG piles arranged on the lower portion in a plum blossom shape. The guardrail base and the flower bed are integrally poured with the retaining wall. The construction method comprises the steps of slide-resistant pile construction, earthwork excavation, CFG pile construction, retaining wall pouring, embankment body backfilling and embankment top road construction. Bidirectional control over settlement and horizontal displacement is achieved through cooperation of multiple structures, variable-stiffness leveling can be achieved by adjusting parameters of the CFG piles, and the variable-stiffness leveling structure has the advantages of skid resistance, stability, landscape optimization and land occupation saving and is suitable for soft soil foundation embankment upgrading and reinforcing projects.

The invention relates to the technical field of embankment reinforcing and widening, and provides an embankment widening construction method based on biomineralization and reinforcement cooperation. The microcosmic cementation effect of calcium carbonate precipitation in the inclusion is induced by the enzyme and is combined with the macroscopic constraint of the geogrid, so that a friction-cementation composite interface is formed, and the shear resistance and impermeability of the new and old roadbed combined surface are greatly improved. Meanwhile, the synergistic enhancement transition area serves as a rigidity coordination layer, loads can be effectively homogenized, differential deformation can be effectively absorbed, and therefore differential settlement is restrained, and reflection cracks are prevented. According to the method, the microcosmic cementation strengthening capacity of enzyme-induced calcium carbonate precipitation and the macroscopic reinforcement restraining capacity of the geotechnical reinforcement material are subjected to space coupling and function cooperation, the weak area of the widened embankment is fundamentally improved, and the integrity and long-term stability of the widened embankment are remarkably improved.

The invention relates to a self-repairing flow state solidified soil reinforced retaining wall for slope toe reinforcement and a construction method, and the retaining wall comprises a wall body which is formed by self-repairing flow state solidified soil in a cast-in-place mode and is provided with extension sections on the two sides, and drainage holes are formed in the extension sections; the foundation is arranged on the foundation and used for supporting the wall body; the reinforcement system is composed of multiple layers of geogrids and embedded in the wall body in a layered mode, one end of each layer of geogrid is anchored in the wall body, and the other end of each layer of geogrid extends backwards and is anchored in the backfill area; when the retaining wall has micro-cracks due to uneven settlement of a soft foundation, the high-alkali environment at the cracks can immediately trigger the alkali-sensitive self-repairing microcapsules to be broken, the released repairing material can generate gel in situ to seal the cracks, the mechanism converts traditional passive damage into active repairing, crack development is effectively restrained, an erosion channel is blocked, and the service life of the retaining wall is prolonged. Therefore, the long-term durability of the retaining wall is obviously improved.

The invention discloses a soft covering protection structure for an open earthen site in a humid environment and a construction method. The protection structure comprises a three-dimensional net-shaped geogrid overburden layer and a herbaceous plant layer. The three-dimensional net-shaped geogrid overburden layer is laid on the surface of the ruin body, and the herbaceous plant layer is located on the outer side of the three-dimensional net-shaped geogrid overburden layer. The three-dimensional net-shaped geogrid overburden layer comprises an inner-layer geogrid and an outer-layer geogrid, the space between the inner-layer geogrid and the outer-layer geogrid is filled with loose soil, and the loose soil, the inner-layer geogrid and the outer-layer geogrid are tamped together to form a rammed earth layer; the herbaceous plant layer comprises a planting soil layer laid on the outer geogrid, and herbaceous plants are planted on the planting soil layer. The slope protection device is used for protection of the abrupt slope under the heavy rainfall condition, and the purposes of controlling slope body shallow layer landslide and slowing down slope surface scouring erosion are achieved.

The invention discloses a geogrid and EICP synergistically reinforced soil embankment structure and a construction method, and relates to the technical field of soil embankment structures. Comprising a pavement base layer, an embankment bearing layer and a natural soil foundation layer, and the natural soil foundation layer is used as a soil embankment structure support and is arranged at the bottommost layer; the pavement base layer is used for bearing an upper driving load and uniformly transferring the upper driving load to the embankment bearing layer below; and the embankment bearing layer is used for bearing the upper load transmitted by the pavement base layer. The engineering performance is improved through the multi-layer synergistic effect, the core reinforcing layer is of an innovative space grid structure and is composed of a prefabricated geogrid, a grid support arranged in the inclined direction and a rigid stress plate frame, a three-dimensional force transmission network is formed, the limitation of a traditional reinforcing method is broken through, and the engineering performance is improved. In addition, the grating support is arranged at a specific angle, the structural rigidity is guaranteed, and the stress concentration phenomenon is avoided.

A system for monitoring pavement infrastructure includes an edge network enabled sensor-enabled geogrid embedded within the pavement infrastructure, a microcontroller configured to receive signals from the sensor-enabled geogrid, and a communication network for transmitting the received signals from the microcontroller to a computer network. The sensor-enabled geogrid provides real-time data on the condition of the pavement, enabling efficient monitoring and maintenance. The microcontroller processes the signals from the geogrid, and the communication network facilitates the transmission of this data to a remote computer network for analysis and decision-making. This system enhances the ability to monitor pavement conditions, potentially improving maintenance strategies and extending the lifecycle of pavement infrastructure.

The invention provides a high-filling slope ecological protection construction method, and relates to the technical field of slope protection engineering. The construction method comprises the following implementation steps: step 1, slope pretreatment; the method comprises the following steps: firstly, shaping and trimming a high-filled side slope, cleaning surface topsoil, gravels and weeds, and synchronously presetting a through-type drainage system at the top, the waist and the toe of the side slope; comprising the four steps of anchor rod laying, grouting and anchoring, lattice beam pouring and geogrid laying, specifically, drilling is conducted on the trimmed slope surface of the side slope, anchor rods are laid, lattice beams fixedly connected with the anchor rods are formed through pouring, then the geogrids are flatly laid in the coverage area of the lattice beams, and double fixing is completed. The anti-sliding stability of the slope body is enhanced, the geogrids can disperse the load of the slope body, the shear strength of the surface soil body of the slope is improved, the overall stability of the high-filled slope is remarkably improved, and geological disasters such as landslide and collapse of the slope are effectively prevented.

The invention belongs to the technical field of geogrids, and discloses a geogrid with a drainage function and a manufacturing device and method.The geogrid comprises a plurality of grid strips, the grid strips are divided into drainage strips and common strips, each drainage strip comprises a groove-shaped strip body, a drainage groove is formed in the groove-shaped strip body in the length direction of the groove-shaped strip body, and the common strips are arranged in the drainage groove. Geotextile is arranged on the groove-shaped strip body and located on the notch side of the drainage groove, the common strip comprises a rectangular strip body and a groove-shaped strip body, a plurality of fiber tows are arranged in the rectangular strip body at intervals, drainage strips are adopted as the longitudinal grid strips, and drainage strips or common strips are adopted as the transverse grid strips. The design of the longitudinal drainage strips is adopted, the drainage channel penetrating in the longitudinal direction is formed, free water in the soil body can be rapidly collected and directionally drained out of an engineering area, the soil body saturation degree is effectively reduced, the residence time of water in the soil body is shortened, and the problems that due to water accumulation, the dead weight of the soil body is increased, and the bearing capacity is reduced are solved.

The invention relates to the technical field of road engineering material design and calculation, and discloses a calculation method for pervious concrete double-layer grating arrangement parameters. According to the method, a geogrid working performance coefficient, a grid interlayer spacing optimization factor, an effective permeability rate correction coefficient, an interlayer synergistic effect coefficient, a layered stress diffusion factor and a permeability comprehensive index are introduced for the first time, a quantitative evaluation model is constructed, and a multi-dimensional performance index and a structure response function are constructed. The structural mechanical behavior and permeability of the pervious concrete are comprehensively considered, and the double-layer arrangement position and interlayer spacing of the geogrid are determined. The blindness of traditional empirical layout is overcome, and the method is suitable for road structure design under medium and heavy traffic loads. According to the method, a scientific and computable double-layer arrangement parameter determination method is established, and collaborative optimization of the grid enhancement effect and the water permeability performance is achieved.

1. The name of the design product: injection-molded geogrid (01). 2. The use of the design product: to enhance the structure of soil, for engineering reinforcement and protection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.

This invention provides a construction method for improving the drainage capacity of road structures, relating to the field of drainage function technology for the renovation and upgrading of old roads. It separates water bodies between the upper and lower structural layers and the original ground surfaces on both sides of the road structure layer by forming an emulsified asphalt layer and waterproof geotextile. A rapid drainage structure is formed using a concrete pavement crushed stone layer, filled with crushed stone, drainage geogrids, sidewalk rubble, a filter layer, and drainage pipes. This achieves rapid drainage of the road structure, ensuring the stability of the road structure layer in the renovation of old pavements, reducing differential settlement caused by groundwater and other factors, and avoiding disturbance to the road and the resulting reflective cracks. This invention improves the drainage performance at the junction of sidewalks and roads, reducing water disturbance problems.

The utility model relates to the technical field of slope stabilization, aims to solve the problems of high labor cost, time and labor waste, slow construction progress and low working efficiency in the prior art, and provides a slope surface form for a high fill slope of a transformer substation. A slope surface is arranged at one end of the backfill body, the slope surface and the backfill body are integrally formed, a plurality of backfill layers are arranged in the backfill body, geogrids are clamped between the adjacent backfill layers, woven cloth is arranged at the ends, close to the slope surface, of the geogrids, and backfill soil is arranged in the woven cloth. The utility model has the beneficial effects of low labor cost, time and labor saving, fast construction progress and high working efficiency.

The invention relates to the technical field of slope supporting construction of constructional engineering, and particularly discloses a redundant and safe reinforced soil structure and a construction method. Reinforced soil is of a multi-step structure and is constructed on a weathered rock foundation; the reinforced soil sequentially comprises a plain concrete foundation, multiple layers of integral steel-plastic geogrids, a graded broken stone drainage layer, a clay water-resisting layer, a waterproof geomembrane, a concrete sealing bottom and plain filling soil from bottom to top, and reinforced concrete panels are poured on the outer sides of the integral steel-plastic geogrids. A reinforced concrete foundation is arranged at the bottom of the reinforced concrete face plate, a cement soil cushion layer is laid at the bottom of the reinforced concrete face plate, drainage holes and pre-embedded steel tie bars are arranged in the reinforced concrete face plate, the pre-embedded steel tie bars and the whole steel-plastic geogrids are bundled up, and a gravel inverted filter bag is arranged in each layer of steel-plastic geogrids. The clay water-resisting layer and the gravel drainage layer are laid to achieve redundant safe water prevention and drainage, the construction period is controllable, and the manufacturing cost is relatively low.

The invention relates to a preparation method of a geogrid with staggered large and small holes, which comprises the following steps: putting a resin material into an extruder, and setting the extrusion temperature to be 200 DEG C, the extrusion pressure to be 10MPa, the extrusion speed to be 1m / min, the extrusion width to be 5mm and the thickness to be 1mm; heating the extruded strip to 200 DEG C, keeping the temperature for 10 minutes, and stretching; the stretched strips are punched, the holes with the hole diameters being 2 mm and 5 mm are arranged in a staggered mode, and the hole distance is larger than or equal to 5 mm; the punched strip is rolled up; the strip is unwound; the strips are welded into the geogrid through an ultrasonic welding machine, the welding frequency is 20 kHz, the welding amplitude is 50 microns, and the welding time is 1 s; and the geogrid is subjected to fixed-length rolling. The device has the beneficial effects that the width and the thickness of the extruded strips are accurate and consistent, the strength of the strips after stretching and punching is ensured, and the strips are connected more firmly.

The present invention discloses a method for reinforcing an asphalt core dam located on a deep covering layer. The method comprises the following steps: excavating the surface of the covering layer to the bottom elevation of a concrete pedestal to form a steel-plastic bidirectional geogrid laying area; an intersection area exists between the steel-plastic bidirectional geogrid laying area and the concrete pedestal foundation pit; pouring pedestal concrete and forming the area integrally with the steel-plastic bidirectional geogrid located in the pedestal; continuously laying the steel-plastic bidirectional geogrid upward layer by layer on the top surface of the pedestal and simultaneously constructing the asphalt concrete core wall until the dam body construction is completed; the present invention adopts the steel-plastic bidirectional geogrid to connect the concrete anti-seepage wall, the pedestal and the deep covering layer in the deep covering layer into a whole, which can significantly improve the ability of the overall anti-seepage system composed of the asphalt core wall, the pedestal and the anti-seepage wall to resist the uncoordinated deformation caused by large deformation of the deep covering layer caused by dam body filling, water storage and seismic loads, and can improve the deep anti-sliding stability of the asphalt core dam located on a deep covering layer with a weak interlayer.

The invention discloses a red mud storage yard greening slope reinforcing method based on a timber pile-grating anchoring technology. According to the method, the five-in-one reinforcing and greening system integrating deep anchoring, matrix tamping, surface layer restraining, composite drainage and vegetation covering is formed through the six steps of anchoring groove excavation, greening matrix laying, timber pile arrangement, geogrid laying, composite drainage system construction and vegetation planting. The problems that a traditional reinforcing technology is high in cost, poor in corrosion resistance and weak in deformation control, and a regreening matrix is prone to loss are solved, and the method has the advantages of being high in construction efficiency, low in cost, high in stability and high in regreening survival rate and is suitable for slope collapse prevention and ecological restoration of various red mud storage yards of a valley type, a sloping field type and the like; and particularly, the dual requirements of long-term stability control and continuous growth of vegetation in a strong alkaline environment can be met.

A kind of saturated soft soil stratum upper foundation pit-under tunnel combined construction structure and construction method, structure includes foundation pit, the bottom of foundation pit is connected with tunnel by shaft, and geogrid is arranged above the bottom of foundation pit;The outside of foundation pit is provided with steel sheet pile from inside to outside, pit interior dewatering well, bored pile, rotary jetting pile water-stop curtain and pit exterior dewatering well;First, bored pile and rotary jetting pile are constructed in site, intercept groundwater outside foundation pit, pit exterior dewatering is carried out by driving pit exterior dewatering well in water-stop curtain periphery, after completion of pit exterior dewatering, foundation pit is excavated in stages, steel sheet pile is driven to support after completion of excavation of section I, dewatering well is driven to carry out internal dewatering of foundation pit;Excavate section II to predetermined depth, geogrid is reinforced at the bottom of foundation pit, excavate shaft in foundation pit to the same depth of lower tunnel, excavate horizontal passage to tunnel interior to tunnel body, and carry out excavation support;Effectively control the deformation of tunnel section, reduce the influence on foundation pit, and then ensure construction safety, reduce the influence between foundation pit and tunnel.

The utility model relates to the technical field of municipal engineering, in particular to a roadbed for municipal road engineering, which adopts the technical scheme that the roadbed comprises an original foundation and a substrate layer, earthwork is excavated on the top surface of the original foundation, the substrate layer is paved on the top surface of the excavated original foundation, and a roadbed layer is paved on the top surface of the substrate layer. A base layer is laid on the top face of the roadbed layer, a surface layer is laid on the top face of the base layer, a plurality of stand columns are arranged and installed on the surface of the original foundation, the lower ends of the stand columns are inserted into the deep position of the original foundation, fixing rods are inserted into the upper ends of the stand columns, and geogrids are fixedly installed between the fixing rods at the upper ends of the stand columns. The roadbed structure has the beneficial effects that the overall tensile strength and shear strength of the roadbed are enhanced through the geogrids which are vertically arranged in each layer of the roadbed, so that the effect of reducing hollowing in the roadbed is achieved, the problems of cracks, cracks or local collapse and the like on the pavement are further avoided, the service life of the pavement is prolonged, and the safety of the pavement is improved.

The utility model relates to a side length reinforced geogrid which comprises a plurality of regular hexagon units arranged in a determinant mode and quadrilateral units located in the regular hexagon units, and the four corners of each quadrilateral unit are located on the four side edges of the corresponding regular hexagon unit respectively. First reinforcing ribs which are arranged in a crossed mode and serve as rectangular diagonals are further arranged in the quadrilateral units. The quadrangle units are arranged in the regular hexagon units, the corners of the quadrangle are located on the four side lengths of the hexagon, and therefore the strength of the side lengths of the regular hexagon units is enhanced, meanwhile, the strength of the side lengths of the regular hexagon units is further enhanced through the arrangement of the first reinforcing ribs, and the stress strength of the corners of the quadrangle is improved; the interlocking effect is improved, and meanwhile the supporting strength in the quadrangle is enhanced.

The present invention discloses an in-situ reconstruction and expansion structure for an embankment and a construction method thereof. The in-situ reconstruction and expansion structure for the embankment includes a stepped surface, which is excavated on the original slope. The slope of the stepped surface is the same as that of the expanded slope, and the stepped surface intersects with the top and bottom planes of the original slope respectively. Using the toe of the original slope as the toe of the expanded slope, the slope of the expanded slope is determined according to the toe position and the expansion width. The outer side of the stepped surface is filled with a geogrid reinforced layer in layers, and a slope protection structure is arranged on the outer side of the geogrid reinforced layer to form an expanded slope. A drainage system is provided at the bottom of the expanded slope for discharging the internal seepage water of the expanded structure. The present invention improves the stability, reduces the uneven settlement, reduces the floor area, does not conduct a full excavation, and reduces the project cost.

The utility model relates to flexible landfill reinforcement technical field, concretely relates to a kind of solid waste flexible landfill reinforcement mechanism, including side weir, composite reinforcement mechanism is provided in the inside of side weir, composite reinforcement mechanism includes the carbon fiber geogrid of several groups being laid in the inside of side weir, the top of carbon fiber geogrid is fixedly connected with flexible layer, flexible layer is composed of rubber particle and bentonite, basalt fiber is mixed in the inside of flexible layer, the top of flexible layer is fixedly connected with steel fiber concrete layer, the surface of steel fiber concrete layer is provided with four groups of installation slot. The utility model cooperates through side weir and composite reinforcement mechanism, provides high-strength tensile property through carbon fiber geogrid, effectively resists tensile deformation caused by uneven settlement of landfill, utilizes flexible layer to be made of rubber particle-bentonite-basalt fiber composite, and has elastic deformation capacity and impermeability.

The anti-rut environment-friendly reinforcing structure comprises a main body unit, the main body unit comprises a glass fiber geogrid, first glass fiber strips are fixed to the two sides of the glass fiber geogrid respectively, and mounting grooves are formed in the first glass fiber strips; a connecting assembly used for connecting every two adjacent glass fiber geogrids is arranged between every two adjacent glass fiber geogrids. When the adjacent glass fiber geogrids are connected and fixed, firstly, the connecting belts penetrate through the corresponding mounting grooves, then the connecting belts are turned over, and the first rough surfaces and the first hook surfaces are bonded, so that the two adjacent glass fiber geogrids are connected and fixed, and the multiple glass fiber geogrids can be connected together; and then the rough surfaces II and the hook surfaces II on the glass fiber strips IV are bonded, and the rubber columns are embedded into the consolidation holes, so that the firmness between the adjacent glass fiber geogrids is further improved, and the road holding force can also be improved by the rubber cones I and the rubber cones II.

The utility model discloses a geogrid processing feeding device which comprises a base, grooves are formed in the left side and the right side of the outer surface of the upper end of the base, a rotating support is installed on the base, the rotating support comprises an installation base, a gear motor, two sets of supporting arm plates, a rotating shaft and a reinforcing supporting rod, and the supporting arm plates are arranged on the installation base. The upper portions of the two sets of supporting arm plates are each provided with a discharging roller clamp, each discharging roller clamp comprises a hydraulic rod, a conical block, a connecting block, a connecting rod, a lower connecting arm plate, a guide rod and a guide sliding ring, the lower portions of the supporting arm plates stretch into the grooves, and the rotating shaft penetrates through the lower portions of the two sets of supporting arm plates to be connected with the gear motor. According to the feeding device for geogrid machining, the geogrid feeding roller can be conveniently limited through the arranged discharging roller clamp, the discharging roller clamp can be conveniently driven to rotate and descend through the arranged rotating support, and feeding is convenient after the height is lowered.

The invention relates to the technical field of geogrids, in particular to a telescopic geogrid and processing equipment thereof, and the telescopic geogrid comprises a plurality of transverse fiber bundles and a plurality of longitudinal fiber bundles; the plurality of transverse fiber bundles are arranged in parallel at intervals; the longitudinal fiber bundles are arranged in parallel at intervals; connecting pieces are mounted at the intersections of the transverse fiber bundles and the longitudinal fiber bundles, and each connecting piece comprises a body; transverse through holes matched with the transverse fiber bundles are formed in the body; longitudinal through holes matched with the longitudinal fiber bundles are formed in the body; the transverse through hole is formed below the longitudinal through hole; a through hole is formed in the middle of the body; cylindrical tables are arranged at the corners of the top face and the bottom face of the body. According to the telescopic geogrid, the stability of connection of the fiber bundles can be remarkably enhanced, and the problems that the fiber bundles fall off and deviate under construction impact are effectively reduced. The machining equipment can be matched with the structural characteristics of the telescopic geogrid in a targeted mode, and the machining process is efficiently completed.

The present invention relates to a test device and a test method for simulating the connection fracture of geogrids. The test device includes a connection component (1) and a control box (2); the connection component (1) includes a low-melting-point high-strength alloy metal sheet (11) and wires (12) arranged at both ends of the low-melting-point high-strength alloy metal sheet (11). The low-melting-point high-strength alloy metal sheet (11) is arranged at the fracture of the geogrid (3) or between the geogrid (3) and the retaining wall panel (4), and is connected to the control box (2) through the wires (12); the control box (2) includes a capacitor (21), a start switch (22) and a terminal (23). The capacitor (21) and the start switch (22) are connected in series with the low-melting-point high-strength alloy metal sheet (11) through the terminal (23). Compared with the prior art, the present invention can simulate the fracture of the geogrid ribs or the failure of the connection between the retaining wall panel and the geogrid without disturbing the soil mass (i.e., without excavating the soil mass) and during the test process.

The present application relates to the roadbed construction technical field, more specifically, it relates to a kind of roadbed widening reinforced soil supporting structure and its construction method.It includes modular wall, horizontal geogrid, inclined geogrid around pipe turning tensioning structure, short anchor rod, round pipe type grid turning component, EPS light load reduction structure, top joint tensioning structure, adjustable shrinkage connecting piece and composite drainage system.Modular wall is assembled by prefabricated module;Horizontal geogrid is laid in layers to enhance filling body;Inclined geogrid is arranged in the middle module layer, which is led out by connecting groove, turns back to connect to adjacent module after passing through round pipe turning component of exposed end of short anchor rod, forming turning tensioning system;Short anchor rod is anchored into stable soil body;EPS is arranged on wall back to reduce load;Top geogrid is tensioned through adjustable connecting piece.The present application is suitable for narrow and steep road section, can utilize loess locally, effectively anchors in limited space, and can long-term regulate deformation.The present application is mainly applied to roadbed widening reinforced soil supporting.

The invention relates to the field of roadbed treatment, and provides a construction method for controlling excavation and filling roadbed interface deformation by using a gabion cage, which comprises the following steps: S1, cleaning loose soil in a filling area, and constructing, cleaning and leveling a replacement filling layer; s2, excavating earth and rocks in an excavation area, and cleaning an original roadbed; s3, according to the stratum condition of the digging and filling area, materials are taken as gabion cage filler; setting gabion cage filler gradation according to the stratum deformation modulus of the excavated and filled roadbed area; s4, constructing a gabion cage retaining wall in the filling area; s5, the area, not provided with the gabion cage retaining wall, of the filling area is constructed, and compaction and backfilling are conducted; and S6, a pavement layer is constructed, and road construction of a digging and filling area is completed. The excavation and filling interface treatment construction method is simple, efficient, controllable in quality and economical in manufacturing cost, and solves or relieves the problems that due to geogrid layered compaction and backfilling, cracks and large sedimentation occur to the excavation and filling interface.

The application discloses a kind of embankment construction methods of soft ground, it is related to the technical field of road construction, comprising the following steps:S1.in the construction filter pile and extruded pile in foundation;S2.construction drainage pipeline;S3.in the construction drainage ditch on the both sides of embankment;S4.construction drainage pipe gallery on foundation;S5.lay filter layer above drainage pipe gallery;S6.lay embankment earthwork, and set up geogrid in embankment earthwork;S7.construction pavement.The application has the effect of reducing the influence of groundwater on embankment structure.

The invention discloses a deep tailing pit one-time filling vacuum preloading collaborative consolidation system and a construction method. The system is composed of a multi-layer rigid horizontal drainage network, a vacuum preloading sealing treatment device and a drainage network dynamic intelligent adjusting device in a cooperative mode. The drainage network is composed of geogrids and drainage plates fixed to the geogrids, and an anti-deformation horizontal drainage framework is formed. The dynamic adjusting device can monitor and actively adjust the elevation and form of each layer of drainage network in real time in the whole process of one-time filling of tailing mud and subsequent vacuum preloading through a vertical rod, a pull rope motor, a tension sensor and a lifting rope, and it is ensured that a drainage channel is always unblocked. The problems that after the deep pit is filled at a time, a drainage system is prone to failure, and consolidation is slow are solved, rapid, uniform and controllable efficient consolidation is achieved, the period is remarkably shortened, and the stability of a backfill body is improved.

The utility model discloses a tension adjusting device in the geogrid shaping process, which comprises a processing table, a first vertical plate and a second vertical plate are respectively and fixedly connected with two sides of the top of the processing table, and the geogrid is wound through an adjusting rod, a first rotating roller and a second rotating roller, a first motor and a second motor. A first motor drives a first rotating roller to rotate through a first vertical plate and a second vertical plate, a second motor drives a second rotating roller to rotate through the first vertical plate and the second vertical plate, conveying is conducted through cooperation of an adjusting rod and the second rotating roller, and when the conveying is too loose or too tight, a connecting column is driven to rotate through a rocking handle, and the connecting column drives a ratchet wheel and a half gear to rotate; the half gear drives the full gear to rotate, the full gear drives the adjusting rod to rotate and adjust, and the adjusting rod adjusts the tension of the grating in the shaping process, so that the purposes of accurately controlling the tension, enabling the grating to be subjected to uniform tension in all directions and ensuring that the size of a product is stabilized in a range required by design can be achieved.