117 results about "Rubble" patented technology

The invention relates to a debris flow gully slope protection structure, and relates to the technical field of water conservancy projects. Multi-stage counter-slope terraces are arranged on the slope surface of the debris flow gully slope from the bottom end to the top end, each terrace structure comprises a terrace surface, ridges and a terrace ditch which are arranged upwards at intervals along a contour line, each layer of counter-slope terrace is separated by using a mortar rubble retaining wall as the ridge, the terrace surface is covered with soil by using a slope native soil layer, and the terrace ditch is connected with the ridge of the next stage of terrace by adopting a mortar rubble material. The field surface has a reverse slope inclination angle of 5-10 degrees, and crops can be planted on the field surface. The field ditches are communicated with main drainage ditches on the two sides of the terrace along the contour line downwards, and metal gates are arranged at the joints to control water flow, are closed when water storage is needed and are opened when water drainage is needed. The structure can effectively reduce the material, construction and maintenance cost, has high debris flow resistance, can stabilize the debris flow channel slope, reduces the water and soil loss of the slope, plays a role in terrace water storage and drainage, and further protects and promotes the growth of crops.

The utility model relates to a high-pressure jet grouting cutoff wall clay core wall earth rock cofferdam construction structure which comprises the following steps: S1, surveying and lofting by a surveying ship, and determining a block stone throwing and filling area; s2, rubble embankment riprap filling and dynamic elevation re-checking are carried out; s3, filling construction of a clay core wall in a central area; s4, construction of the high-pressure jet grouting expansion diaphragm wall; and S5, anti-seepage construction of the composite geomembrane of the upper slope section is conducted. According to the construction method of the clay core wall earth rock cofferdam of the high-pressure jet grouting cutoff wall, the construction speed is high, the anti-seepage effect is good, and the construction technical defects that in the construction process of an existing deepwater earth rock cofferdam, the riprap precision is low, the high-pressure jet grouting cutoff wall leaks slurry, the anti-seepage effect of an upstream slope is poor and the like are overcome; the construction method has the construction advantages of high stability, high efficiency, high benefits and the like during implementation, and the technical benefits are remarkable.

The invention relates to the technical field of tunnel engineering geological disaster prevention and control, in particular to a tunnel construction safety control method based on compression-torsion fault classification. Comprising the following steps: S100: according to engineering geological characteristics, dividing a compression-torsion fault into an anhydrous broken type: a fault broken zone is mainly fault rubble, the water yield is poor, and the risk is collapse and chipping; for the water inrush type, the fault fracture zone is high in water-rich property, and the risk is an inrush accident; according to the water quantity change type, one disc of the fault is a water-resisting layer, the other disc of the fault is a water-permeable layer, and the construction risk changes along with the construction direction; s200, the type of the compression-torsion fault is identified on site according to the characteristics of the tunnel face of the compression-torsion fault; s300, according to the fault classification result in the step S100 and the field identification type in the step S200, selecting a matched advanced forecasting method to carry out advanced geological forecasting; and S400, construction protection is conducted according to the different types of compression-torsion faults. According to the method, the corresponding construction measures are formulated by identifying the type of the compression-torsion fault, the construction risk is effectively reduced, and the tunnel construction safety is ensured.

To provide a columnar structure demolition method, which is a demolition method for a columnar structure on the inner side of a double structures in which two hollow columnar structures are doubly formed, and does not require work of cutting and crushing at a high place like a top end part of the columnar structure and prevents rubble generated by cutting and crushing from dropping.SOLUTION: A columnar structure on the inner side is demolished by repeating a step to cut a bottom end of the columnar structure on the inner side and a step to lower the columnar structure on the inner side while supporting load of the columnar structure on the inner side by a lifting machine installed on a top end of the columnar structure erected on the outer side of the columnar structure on the inner side.SELECTED DRAWING: Figure 6

The invention relates to an apparatus and to a method for removing dust at a rubble pit (10). At the rubble pit (10) there is at least one delivery point (14) for positioning a delivery apparatus (16) for filling the rubble pit (10) with bulk material. The delivery point (14) adjoins a first edge portion (18) of the rubble pit (10). Along the first edge portion (18) there is a first suction-extraction assembly (24) which has a row of one or more suction-extraction openings (26). Along an oppositely situated second edge portion (28) of the rubble pit (10) there is a second suction-extraction assembly (34) which has a row of one or more suction-extraction openings (26). Above the rubble pit (10) there is a fan (42) for generating an air flow (L) in the direction of the rubble pit (10).

The invention belongs to the technical field of gravel ridge detection, and relates to a gravel ridge elevation detection system and method. The system comprises a detection rod, a driver, a pull rope sensor and a measurement and control module, the detection rod is arranged on the side, perpendicular to the length direction of the gravel ridges, of the gravel throwing pipe and is parallel to the gravel throwing pipe. The distance between the center of the detection rod and the center of the gravel throwing pipe is equal to the distance between the center lines of every two adjacent gravel ridges. When the riprap pipe lays and levels the current gravel ridge, the detection rod is located above the previous gravel ridge and is driven by the riprap pipe to move in the length direction of the previous gravel ridge, the driver drives the detection rod to move up and down repeatedly, and the detection rod moves downwards to the bottom end of the detection rod to make contact with the top face of the previous gravel ridge every time. The pull rope sensor transmits displacement data of the detection rod when the detection rod moves downwards each time to the measurement and control module for processing, and elevation values of a plurality of detection points of a previous gravel ridge are obtained. According to the invention, the elevation of the previous gravel ridge can be detected while the current gravel ridge is constructed by the riprap pipe, and the elevation detection precision of the gravel ridge is obviously improved.

The utility model discloses an asphalt pavement self-drainage structure, which particularly relates to the technical field of road engineering, and comprises a foundation layer, a broken brick layer and a cement layer which are sequentially arranged on the foundation layer, a rubble layer paved above the cement layer and an asphalt layer paved above the rubble layer, the rubble layer extends out of two sides of the asphalt layer, the broken brick layer and the cement layer, and main drainage grooves are formed in the two sides of the gravel layer correspondingly. According to the asphalt pavement self-drainage structure provided by the utility model, the gravel layer and the asphalt layer are paved on the original cement layer, so that rainwater partially permeates when falling onto the asphalt layer, and is drained towards two sides along the cement layer through the permeation of the gravel layer; rainwater on the upper portion of the asphalt layer is discharged towards the two sides of the asphalt layer and flows into the main drainage groove through the gravel layers on the two sides of the asphalt layer to be collected and discharged, then the rainwater is guided to flow into the main drainage groove to be collected under the condition that an original cement layer is not damaged, and the rainwater discharging effect is improved.

The invention discloses a construction method of a permafrost block stone dynamic compaction replacement composite foundation. The construction method comprises the following steps: step 1, a project construction preparation stage; secondly, a dynamic compaction scheme is designed; 3, surface layer freezing breaking and drainage system construction; step 4, preparation before dynamic compaction construction; step 5, guide hole construction; sixthly, dynamic compaction construction is conducted; step 7, construction recording; step 8, acceptance assessment and result archiving; and ninthly, quality, safety and environmental protection control in the construction process is conducted. The invention innovatively provides a three-stage reinforcing process of'guide hole dumping of block stones, dynamic compaction and full compaction ', a replacement body with a drainage function is formed by prefabricating guide holes and filling hard rubbles and broken stones with good gradation, a soft soil layer is effectively replaced and compacted, and a composite foundation with excellent bearing performance is constructed.

The utility model discloses a double-pile type L-shaped embankment structure which comprises pile foundations, a concrete cushion layer, an L-shaped wall body, handrails, a broken stone cushion layer and grouted rubble. The pile foundation is driven into an original embankment foundation, the concrete cushion layer is laid on the original embankment foundation, the L-shaped wall body is arranged on the concrete cushion layer, the upper end of the pile foundation penetrates through the concrete cushion layer into the L-shaped wall body, the side, close to a riverbed, of the L-shaped wall body is connected with the broken stone cushion layer, and the broken stone cushion layer is arranged on the riverbed. The rubble hardcore is provided with grouted rubble; backfill soil is arranged on the side, away from the riverbed, of the L-shaped wall body, and a road is arranged on the backfill soil; and the handrails are arranged on the L-shaped wall body. The double-pile type L-shaped embankment structure provided by the utility model aims to overcome the existing defects, is stable in structure, convenient to construct and low in manufacturing cost, and ensures the protection function of the embankment.

The invention discloses an ecological slope protection method based on concrete hexagonal blocks, which realizes the double targets of slope stability and ecological restoration through a five-in-one technical system of grouted rubble footing, original soil compaction, nutritional non-woven fabric laying, concrete hexagonal block construction and a vegetation restoration system. And quality control and acceptance: regularly checking footing settlement, non-woven fabric lap joint, hexagonal block flatness and the like, monitoring the vegetation recovery effect by aerial photography of an unmanned aerial vehicle, detecting the structural stability, evaluating the vegetation coverage rate and the like. According to the method, standard hexagonal block prefabricated parts are spliced to form a grid framework, nutrient soil is filled in the grid framework, turf or aquatic plants are planted in the grid framework, a double-reinforcing structure of a grouted rubble coping and footings is matched, water and soil loss is effectively prevented, nutritional non-woven fabric is innovatively adopted as an ecological transition layer, the functions of water retention, fertilizer retention and scouring prevention are achieved, and the ecological effect is good. The in-situ soil compaction technology is matched to improve the bearing capacity of the base, the vegetation survival rate is high, and the method is suitable for various slope treatment projects such as rivers, reservoirs and roads.

The invention discloses a green recovery ecological restoration method for a mine goaf, and relates to the technical field of ecological restoration. Rock surface treatment is firstly carried out, the exposed rock surface of a mine is cleaned, and broken stones are prevented from falling off during construction; then, regreening planting is carried out, and seedling transplanting is carried out on the reconditioned rock surface; and then vegetation maintenance is carried out, the planted seedlings and the sown grass seeds are maintained, and the vegetation can root and germinate. According to the method, through vegetation reconstruction and ecological restoration, surface coverage is rapidly restored, water and soil loss is reduced, geological disaster risks such as landslide and debris flow are effectively restrained, and the life and property safety of the mining area and surrounding residents is prevented from being threatened; the hyperaccumulator can also be used for purifying soil heavy metal pollution, and is matched with vegetation to adsorb dust and regulate microclimate, so that the regional air quality and ecological environment are remarkably improved; meanwhile, the regreening mining area can be transformed into an ecological park, a carbon sink forest or an agricultural base, and the land value is increased.

The utility model provides a rammed earth wall corner reinforcing stone improvement structure which comprises a rammed earth wall body, an attachment gauze element, a bonding concrete layer, a protective base layer block, an attachment layer and decorative rubble stone, the attachment gauze element is fixedly installed on the surface of the rammed earth wall body in an attached mode, and the surface of the attachment gauze element is coated with the bonding concrete layer. The protective base layer block is adhered to the surface of the adhesive concrete layer and is fixedly connected with the rammed earth wall body; the adhesion layer is coated on the surface of the protective base layer block, and the decorative rubble is adhered to the surface of the adhesion layer; due to the arrangement of the protective base layer block and the decorative rubble stone, the structure is high in pulling strength, strong in anti-scouring capacity, attractive in appearance and high in construction efficiency, and the quality is convenient to control.

The utility model discloses a high-pressure karst water-rich large section highway tunnel drainage and pressure reduction device, which comprises pressure reduction assemblies arranged along the axis of the tunnel in a mirroring manner and a drainage unit communicated with the two pressure reduction assemblies, the drainage unit is used for draining flowing water generated by the two pressure reduction assemblies, and each pressure reduction assembly comprises a pressure control unit, a pressure control unit and a pressure control unit, the pressure control unit comprises a gravel blind ditch arranged at the position of a tunnel wall foot and extending in the direction away from the axis of the tunnel and a water gathering pipe arranged in the gravel blind ditch. The end, close to the tunnel, of the water gathering pipe is connected with a water pressure valve. The stabilizing unit comprises a plurality of positioning ribs evenly distributed on the peripheral side of the water pressure valve and a plurality of obliquely-arranged locking anchor rods, and the ends, away from the water pressure valve, of the positioning ribs and the ends, away from the water pressure valve, of the locking anchor rods are deeply buried in the rock stratum through concrete; water pressure can be released intelligently according to the water pressure condition, drainage is started automatically when the water pressure reaches a certain degree, the threat of the water pressure in a rock stratum to a tunnel lining structure is effectively reduced, and the lining structure is prevented from being broken down and damaged due to too high water pressure.

The invention discloses an offshore pile foundation excavation construction method and equipment based on zoning delayed blasting, and relates to the field of blasting construction, the method comprises the steps that in an erected drilling machine platform, a blast hole array is drilled to a preset elevation according to a preset position; the slotting holes, the caving holes and the contour holes are charged in a differentiated layered charging mode; segmental delayed detonation is conducted, specifically, a slotting hole drainage cartridge bag is detonated firstly so that water on the upper portion of a slotting rock mass can be discharged, and an orifice rock mass is broken; then, upper and lower rock breaking cartridges of the slotting hole and cartridges of the caving hole and the contour hole are sequentially detonated in a delayed mode; blasting gravels generated in the detonation process are removed, and the pile foundation steel pipe is sunk to the designed elevation; and concrete is poured into the pile foundation steel pipe to form the offshore pile foundation. According to the method, the deepwater high-pressure limitation is reduced through the detonation drainage process and the segmented delayed detonation process, the efficiency of layered rock breaking and energy directional release is improved, and then the blasting effect and the slag removal efficiency of offshore pile foundation excavation construction are improved.

The application provides a brick-concrete complex structure reinforcing method, and belongs to the technical field of building construction. The brick-concrete complex structure reinforcing method comprises the following steps: erecting support in the interior and middle position of the brick-concrete complex structure, excavating the added foundation contour of the brick-concrete complex structure, releasing the foundation cutting line and adding the outer contour line of the foundation, chiseling away the strip foundation and the rubble foundation by using the static cutting mode, installing the design drawing reserved pile hole on the brick-concrete complex structure, fixing and connecting the vertical main reinforcement of the buttress column with the structural reinforcement on the brick-concrete complex structure, opening the shear key hole, fixing and connecting the ring beam ring reinforcement with the original wall body of the brick-concrete complex structure, fixing the buttress column and the beam on the brick-concrete complex structure in sequence, and pouring the concrete. The method can solve the problem that the existing reinforcing method of the brick-concrete complex structure greatly disturbs and damages the wall to be reinforced and does not change the stress mode of the original structure form.

The present invention provides a method for repairing a rubble-type structure, and a rubble-type structure constructed using this repair method, which involves filling a hole formed by the detachment of a covering stone from the covering stone layer with a covering material of sufficient size, thereby firmly interlocking the covering material with the existing covering stones forming the inner surface of the hole. [Solution] A fabric formwork 6 that can expand into a three-dimensional shape is laid in a sheet-like state inside the hole 5 of the covering stone layer 3 that covers the base part 2. Next, fluid underwater concrete 7 is injected into the fabric formwork 6 to expand it, and the fabric formwork 6 expanded by the underwater concrete 7 is used as a covering material to fill the hole 5 and to enter between the existing covering stones 3a that form the inner surface of the hole 5.

The utility model provides a vibro-replacement gravel pile construction parameter control system, which belongs to the technical field of vibro-replacement construction and comprises a control cabinet, a current relay, a current wireless output device, a current wireless receiving device, a current indicating lamp, a time relay, a time wireless output device, a time wireless receiving device and a time indicating lamp. By controlling the vibration density current and the vibration remaining time of the vibro-replacement gravel pile construction in the filling vibration density pile manufacturing stage, the construction quality can be effectively guaranteed and controlled, the signal transmission time is shortened, an equipment operator can visually master various construction parameters, the construction efficiency can be improved, the construction time is shortened, the construction progress is accelerated, and the construction cost is saved.

The invention discloses a rapid installation technology of a nodular cast iron pipe for engineering. The rapid installation technology comprises the steps that firstly, preparation is conducted before construction; 2, pipeline laying; step 3, pipeline connection; step 4, fixing and supporting; 5, acceptance check and backfilling are conducted; according to the method, a DN50 drainage pipe is embedded in a groove in a high water level area to continuously pump water, a ballasting anti-floating pipe is immediately backfilled after a pipeline is in place, a gravel filter layer is laid at the bottom of a buttress, LOCTITE577 sealant is coated in a socket groove in a strong corrosion area, and three layers of polyethylene adhesive tape are wound on the outer wall of the socket groove, so that the engineering quality is greatly improved; the use and operation of materials such as cement and asbestos are avoided, the dust pollution of a construction site and the potential harm to the health of workers are reduced, and the construction safety environment is improved; the flexible connector is easy to detach, convenience is provided for overhauling and replacement of the pipeline or system modification, when leakage occurs, only the sealing ring needs to be replaced or the connector needs to be adjusted generally, and the repairing speed is high.

The invention discloses a construction method of a high-pressure jet grouting pile anchoring solidified soil-riprap combined scouring prevention and control structure. The structure is composed of a high-pressure jet grouting pile and a solidified soil-riprap prevention and control body from bottom to top, and natural attachment of a pile body, riprap and a scour pit seabed is achieved through solidified soil; during construction, through scanning positioning, single-pipe high-pressure jet grouting is adopted to pump solidified soil slurry to a certain depth of the bottom of a scour pit at specific positions in front of a scour pit pile and on the pile side, and an anchoring pile body is reserved; and filling the scour pit with solidified soil slurry to a certain height, then filling riprap until solidified soil overflows, and carrying out self-leveling. After the solidified soil is cemented and formed, a solidified soil-riprap prevention and control body anchored by the solidified soil high-pressure jet grouting pile is formed in the scouring pit; structural integration is achieved through the solidified soil, the anchoring effect is exerted in combination with the high-pressure jet grouting piles, the risks of riprap secondary scouring and solidified soil edge undercutting are effectively reduced, and the construction cost of the full-pouring solidified soil is reduced.

The utility model discloses a drop structure suitable for soft foundation riverbeds of medium and small rivers. The drop structure comprises upstream dry block stones, timber piles and downstream dry block stones, the timber piles are sequentially arranged in the width direction of a river to form a timber pile row, the two ends of the timber pile row are connected with river banks on the corresponding sides respectively, and the bottom of each timber pile is inserted into a riverbed. The upstream dry rubble is arranged on the upstream side of the timber pile row and is in contact with the timber pile row; the downstream dry rubble is arranged on the downstream side of the timber pile row and makes contact with the timber pile row. The ecological landscape structure is simple in structural form, convenient to be sequentially connected with side slopes on the two sides of a river channel, good in integration with the natural ecological landscape environment of the river channel, small in scouring influence on a riverbed, high in foundation deformation adapting capacity and capable of being recycled, and has certain water permeability and flexible adaptability. The soft foundation riverbed does not need foundation treatment, does not need construction diversion measures, and is low in cost, short in construction period and mature in construction technology.

The present application relates to the technical field of rubble wall reinforcement, and particularly relates to a method for reinforcing irregular rubble walls. The method not only maintains the original appearance of the rubble wall, but also effectively improves the rigidity and integrity of the rubble wall for irregular rubble walls.

The subject of the invention is a low-speed mobile shredder used to shred various types of materials, such as municipal and construction waste, pallets, rubble, tree felling remains, roots, extra-large materials, etc. The low-speed mobile shredder with a frame set on a base with a crawler drive system, with a belt conveyor (10), containing a service chamber (1) with a chute (12), at least one shaft (2) with embedded blades (3), and a chute duct (9) between a wall (5) of the service chamber (1) and a drive gear (8) mounted on connecting plates (11), is characterised in that the waste scraper (7), which is located upstream of the coupling (4), is embedded using a shaped connection on the shaft (2) of every drive gear (8), connected to the coupling (4) located in an opening (6) of the wall (5) of the service chamber (1). The waste scraper (7) has the form of a thin-wall element with centrally a positioned mounting hole (7B) and several scraper arms (7A) arranged in a concentric manner, which are bent at an angle a of 90° to 180°. The scraper arms (7A) of the waste scraper (7) are directed at the side wall (5) of the service chamber (1).

The utility model discloses a cooling tower annular foundation structure suitable for a non-uniform foundation. The cooling tower annular foundation structure comprises an annular foundation trench which is sunken downwards from the ground, in the bottom area of the foundation trench, one part is a thick basalt area, the other part is a thin basalt area, and the other part is a sludge soil area; the thin basalt area and the sludge soil area are each provided with a rubble concrete replacement masonry layer, each rubble concrete replacement masonry layer is of a stepped structure with the wide lower portion and the narrow upper portion, a concrete cushion layer is arranged on the top of each rubble concrete replacement masonry layer, and the annular foundation is located above the concrete cushion layers. According to the scheme, the cooling tower foundation can be built under the uneven geological condition, the bearing capacity of the cooling tower foundation is better, a larger cooling tower can be built, safety is good, the structure is simplified, the construction difficulty and the construction cost are relatively low, and application and implementation are easy.

This invention provides a method for safety protection of slopes in inclined open-pit coal mines, comprising: S1: setting up a first safety retaining wall on a horizontal section to stop falling rocks from the side of the horizontal section away from the inclined slope; excavating a stepped stage on the upslope section and excavating multiple sequentially connected stepped sections on the middle slope section; S2: filling the multiple stepped sections to form a fill layer, the top surface of the fill layer connecting with the bottom surface of the stepped stage to form a horizontal placement section, the top of the fill layer having a first rock-blocking structure for stopping falling rocks from the upslope section; S3: setting up a rubble retaining wall and a second rock-blocking structure on the stepped stage to stop falling rocks from the stepped stage or the horizontal section; S4: setting up a second safety retaining wall on the bottom surface of the stepped section adjacent to the downslope section to stop falling rocks from above the downslope section. This solution can solve the problem in the prior art of the impact of falling rocks and other debris on coal mining equipment and personnel safety in inclined open-pit coal mines.

The invention relates to the field of application of methods and systems for filling, sealing and discarded (abandoned) salt rocks, in particular goaf located in a heterogeneous salt structure (in which a porous / permeable formation is present), or a goaf close to a geological fault, or even a goaf experiencing collapse at the top of the goaf, or in particular a goaf in a non-homogeneous salt structure (in which a porous / permeable formation is present), or even a goaf undergoing collapse at the bottom of the goaf. These can be performed simultaneously with and integrated with the disposal of field facilities. More specifically, the invention is used for the disposal of civil engineering structures in rock salt production and / or storage sites by applying a dissolution mining process, where the goaf needs to be filled by filling solid material, where the recovered solid material is produced by comminuting demolition waste from the disposal civil engineering structures (in-situ) or other areas of the project facility, and where the solid material is recovered from the disposal civil engineering structures (in-situ) or other areas of the project facility. Through its on-site or off-site mobile recovery device (grinding / comminution / screening), larger particle size waste (gravel) is added to the bottom of the SRC, while smaller particle size waste (sand) is added at the end of SRC filling to block voids and faults.

The application provides a flexible replenishment pipe deep water rubble bed leveling equipment and a use method thereof, which comprises a mother ship and an underwater leveling frame, the mother ship and the leveling frame are connected through a flexible replenishment hose and multiple umbilical cables, a moving mechanism is arranged on the leveling frame, and a riprap pipe is arranged on the moving mechanism. The overall device is a mother ship, underwater leveling frame and flexible replenishment hose scheme, the influence of the harsh environment of the open sea deep water area on the leveling precision is avoided, the scheme can be applied to 100-meter deep water. The flexible hose is used as the flexible replenishment scheme, and the underwater accurate replenishment is realized. The mother ship and the leveling frame can move to realize high-precision positioning, the positioning frame can check the information of the leveled frame after positioning, and the positioning precision is further improved. The moving mechanism on the leveling frame can uniformly feed the rubble, and the material level is kept stable. The riprap pipe is used for separating the rubble and water in the flexible replenishment hose, the riprap pipe is suitable for the rotation and movement angle of the leveling frame, and is suitable for popularization and use.

The application provides a kind of easy weathering dilatant soft rock roadway surrounding rock stability control method, belongs to underground mine roadway surrounding rock control technical field.The method includes: in the surface of the surrounding rock of roadway full section spraying high molecular waterproof material, the water layer formed blocks water vapor into the surrounding rock;In the roadway setting hierarchical support structure, form shallow anchor rod reinforcement and deep anchor cable suspension mutual cooperation of active support layer;In the surface of the active support layer of roadway spray steel fiber reinforced concrete, to form the passive support layer coupled with active support layer;The bottom surface of roadway is excavated into arch wave surface, the plane corresponding to arch wave surface is arch plate surface, arch wave surface and arch plate surface are surrounded by anti-arch space, pouring rubble concrete in the anti-arch space, to form anti-arch structure in the bottom of roadway.The application can effectively control the deformation of surrounding rock instability, solve the waterproof failure of easy weathering dilatant soft rock roadway, support system mismatch and bottom heave out of control problem, realize easy weathering dilatant soft rock roadway long-term safety and stability.

1. The name of the design product: mineral particle dry-wet all-in-one machine. 2. The use of the design product: effectively eliminate foreign objects such as color stones, pebbles, rubble, potassium feldspar, etc. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design claimed contains color.

The utility model discloses a deep well dewatering and water filtering device which comprises a gravel immersed tube, first water filtering holes are evenly distributed in the bottom and the circumferential direction of the gravel immersed tube, and gravel is filled in the gravel immersed tube; the upper end and the lower end of the sand setting pipe are provided with a reinforcing mesh filter layer and a reinforcing permeable layer respectively. Second water filtering holes are formed in the circumferential direction of the water filtering pipe; the diameter of the wall protecting cylinder is larger than that of the water filtering pipe, the sand setting pipe and the gravel sinking pipe; wherein the water filtering pipe, the sand setting pipe and the gravel sinking pipe are sequentially connected in a sealed mode from top to bottom to form a vertically-communicated dewatering well, the dewatering well is communicated with the lower portion of the wall protecting cylinder, and the wall protecting cylinder and the dewatering well are both arranged underground. The utility model aims to meet the excavation and installation requirements of the strong water-rich semi-diagenesis silty stratum, improve the applicability to the dewatering of the strong water-rich semi-diagenesis silty stratum, effectively filter silt and prevent blockage, and improve the water pumping and dewatering effect of the dewatering well.

The gravity type ecological retaining wall added with the rapid consolidation agent is characterized by comprising a retaining wall body formed by compounding rubble, undisturbed soil and the rapid consolidation agent, plant seeds are evenly distributed in the retaining wall body, a vegetation layer is arranged on the top of the retaining wall body, a drainage system is arranged in the retaining wall body, and the drainage system is connected with the retaining wall body. The retaining wall body is provided with a plurality of settlement expansion joints. According to the gravity type ecological retaining wall added with the rapid consolidation agent, the bearing capacity and the soil consolidation speed can be improved, and the plant survival rate is high. The invention further discloses a construction method of the gravity type ecological retaining wall added with the rapid consolidation agent.