40results about How to "Reduce the risk of landslides" patented technology

The invention discloses a high embankment slope stabilizing structure. The high embankment slope stabilizing structure comprises a retaining wall, steel pipe piles and anchor rods; the retaining wallis arranged at the foot of a high embankment slope, concrete-filled steel pipe piles are arranged on the inner surface of the retaining wall, an excavation step and a gravel drainage zone are arrangedat a filling and excavation interface, the bottoms of the concrete-filled steel pipe piles and the steel pipe piles penetrate through the gravel drainage zone, and the upper sections of the steel tube piles are sleeved with grouting sleeves correspondingly; the lower end of the grouting sleeves extend to the gravel drainage zone, the upper end of each grouting sleeve is connected with a groutingopening through a grouting pipe, a fixed pulley and a pipeline channel are arranged inside each concrete-filled steel pipe pile, the anchor rods are is fixed in a rock stratum behind the excavation step, the exposed parts of the tops of the anchor rods are connected with steel strands, and the steel strands are connected to the fixed pulleys or the steel pipe piles at the same height; the steel strands connected to the fixed pulleys are led out of crown beam through the pipeline channel and connected with a steel strand tensioning device. The high embankment slope stabilizing structure is suitable for reinforcing and active control of embankment deformation in the embankment construction and operation process, and is particularly suitable for embankment projects with high requirements forembankment stability and later operation safety.

The invention provides a water jet tunneling type shield tunneling machine. A water jet technology and a shield tunneling technology are combined and an annular retaining device is moved frontwards; in a tunneling process, a cavity formed in the outer side of a rock cylinder is pushed forwards in a tunneling process; a disc-shaped hobbing cutter of an existing shield tunneling machine is changed into an annular hobbing cutter and is arranged at the front end of the annular retaining device, so that abrasion is reduced; a retractable pressure sensor probe is arranged at the front end of the annular retaining device so that a water jet can be conveniently opened in time; an alloy cutter is partially or wholly replaced by the water jet; when the machine meets a stratum layer or a hard rock layer with complicated lithological characters, the water jet is used for assisting tunneling, so that direct collision between the cutter and rocks is reduced; and in order to reduce water utilization cost and sand utilization cost of the water jet, a residue soil conveying device and a water pumping device of the shield tunneling machine are improved, and pumped underground water and crushed waste residues, which are pumped in a tunnel construction process, are recycled and are used for a sand adding water jet. The embodiment suitable for mines is designed. The tunnel construction cost can be easily reduced, harms of collapse, waste heat, water inrush accidents and dust are effectively reduced, and wastes of underground water are reduced.

The invention discloses an automatic rod feeding device for a mine anchor rod drilling machine. The device comprises an anchor rod storing mechanism, a first manipulator, a second manipulator and a fixing seat. According to the device, an anchor rod is stored into semicircular grooves in an upper index plate and a lower index plate through the anchor rod storing mechanism; the anchor rod is grasped, conveyed and positioned through the first manipulator and the second manipulator; therefore, automatic conveying of the anchor rod is achieved; the replacing efficiency of the anchor rod and a drilling rod can be increased; the time of supporting the tunnel is reduced; the risk of collapse of the tunnel is reduced.

The invention discloses a tunnel digging-out supporting structure and a construction method thereof. The supporting structure includes upper steps and lower steps. The upper steps and the lower stepsare arranged on the entrance of a tunnel, a connecting slope is connected between the upper steps and the lower steps, small pilot tunnels are formed in the upper steps, the supporting structure further includes a temporary support, an advanced support, a system anchor rod, a foot-locking anchor rod and a preliminary support, the temporary support is arranged around the small pilot tunnels, the advanced support, the system anchor rod, the foot-locking anchor rod and the preliminary support are used for reinforcing surrounding rock around the tunnel, the supporting structure and also includes alarge pipe shed guiding wall and a large pipe shed, and after the small pilot tunnels are dug out, the small pilot tunnels are out, the large pipe shed guiding wall and the large pipe shed are constructed from outside to inside in the entrance of the tunnel; according to the construction method, benching stepping method is adopted to construct adjacent entrance sections; the advanced small pilottunnels are excavated on one side of the upper steps, the advanced support, the system anchor rod, the foot-locking anchor rod, the preliminary support and the temporary support are constructed, and the small pilot tunnels pass through to the entrance of the tunnel; the large pipe shed wall is constructed, holes are drilled in the large pipe shed wall, and the large pipe shed advanced support is provided; and the small pilot tunnels on the other side of the upper steps of the support are excavated from the holes to the entrance, the temporary support of the small pilot tunnels is dismantled, the lower steps of the support are excavated to the entrance.

The invention discloses an anti-skid drill cast-in-place pile foundation in a high-sensitivity soft soil area and a construction method thereof. The anti-skid drill cast-in-place pile foundation comprises novel steel protecting cylinders, a steel protecting cylinder installing device and a drill cast-in-place pile main body. The drill cast-in-place pile main body comprises common steel protectingcylinders, a steel reinforcement cage and concrete. All the novel steel protecting cylinders and all the common steel protecting cylinders are sequentially connected in a sealed manner from bottom totop. The steel protecting cylinder installing device comprises a suction barrel and a magnetic installing ejection cap. According to the anti-skid drill cast-in-place pile foundation, the novel steelprotecting cylinders with automatic hole pressure adjusting systems are adopted, and thus during the operation stage of the anti-skid drill cast-in-place pile foundation in the high-sensitivity soft soil area, hole water pressure in a periphery soil body of the pile foundation can be adjusted automatically. The suction barrel technology is adopted for installing the steel protecting cylinders, itis ensured that in the construction process, the soil body on the periphery of an anti-skid drill cast-in-place pile is reduced as much as possible, and the liquefaction risk of the soil body on the periphery of the pile foundation during the construction period is effectively reduced. The construction method is safe, reliable, convenient and rapid, and has a wide project application prospect.

The invention discloses a red bed sand shale tunnel large deformation section construction method to effectively avoid large deformation and collapse during the construction period, lower the construction period delaying risk and improve the construction efficiency. According to the monitoring measurement condition and the deformation condition of the constructed section, the large deformation section is tested, the reserved deformation is enlarged, and the support parameter is adjusted to reinforce preliminary bracing; the rise span ratio of an excavated section is adjusted according to crownsettlement, horizontal displacement and inverted arch deformation condition, and the excavated section of the large deformation section is determined; the rise span ratio is adjusted to be about 0.5;when the horizontal displacement value is larger, the crown settlement value is smaller relative to the horizontal displacement value and inverted arch deformation is not generated, the excavated section of the large deformation section is determined to be semi-circular; and when the crown settlement value, horizontal displacement value and inverted arch deformation upheaval value are larger, theexcavated section of the large deformation section is determined to be circular.

The invention provides a water jet tunneling type shield tunneling machine. A water jet technology and a shield tunneling technology are combined and an annular retaining device is moved frontwards; in a tunneling process, a cavity formed in the outer side of a rock cylinder is pushed forwards in a tunneling process; a disc-shaped hobbing cutter of an existing shield tunneling machine is changed into an annular hobbing cutter and is arranged at the front end of the annular retaining device, so that abrasion is reduced; a retractable pressure sensor probe is arranged at the front end of the annular retaining device so that a water jet can be conveniently opened in time; an alloy cutter is partially or wholly replaced by the water jet; when the machine meets a stratum layer or a hard rock layer with complicated lithological characters, the water jet is used for assisting tunneling, so that direct collision between the cutter and rocks is reduced; and in order to reduce water utilization cost and sand utilization cost of the water jet, a residue soil conveying device and a water pumping device of the shield tunneling machine are improved, and pumped underground water and crushed waste residues, which are pumped in a tunnel construction process, are recycled and are used for a sand adding water jet. The embodiment suitable for mines is designed. The tunnel construction cost can be easily reduced, harms of collapse, waste heat, water inrush accidents and dust are effectively reduced, and wastes of underground water are reduced.

The invention provides a super-large-diameter deep shaft simple shield device and a shielding method. The simple shield device comprises a soil cutter, a pipe piece supporting base, an excavating cutter head, a steel plate ring shaft wall, a concrete pipe piece and matched construction devices. A concrete pump truck, a crane, a pipe piece pressing machine, a loader, a slag stone vehicle, a welding machine and other matched devices are arranged above a shaft. An excavator is matched with the bottom of a shaft, and a slag stone conveying device is installed on the position from the bottom to the top of the shaft. The method is simple, the property is reliable, the devices are mutually matched, the mechanical construction requirements of the super-large-diameter deep shaft are met, work efficacy and construction speed of the super-large-diameter deep shaft are greatly improved, the supporting effect of shaft construction is greatly improved, and the collapse risk is reduced.

The application provides an electromagnetic drainage anti-slide pile and a construction method thereof, and belongs to the field of landslide prevention engineering. The anti-slide pile comprises hollow piles, gravel, anchor cable, coils, a controller, a moisture meter, a water pumping pipe and a portable water suction pump, wherein a second type of hollow pile is coaxially nested in a first typeof hollow pile, the gravel is filled between the two types of piles, and the gravel is squeezed into the first type of hollow piles by the anchor cables; the coils are wound on the outer wall of the water pumping pipe and is nested in the second type of hollow pile; the portable water suction pump is arranged at the top end of the water pumping pipe, the controller is arranged outside a slope andis respectively connected with the moisture meter, the coil and the high-frequency alternating-current power supply; when the water content of the soil body is larger than the limit water content, thecoil generates an alternating magnetic field to promote the water to enter the hollow pile, and the water pumping pipe and the portable water suction pump discharge water in the slope to the outsideof the slope; and otherwise, the coil is powered off. According to the anti-slide pile for monitoring and rapid drainage, the problem of instability caused by difficulty in drainage of a low permeability slope in a rainfall-rich area is solved, the structure is simple, the construction is easy, and the cost is greatly saved.

The invention discloses a swelling rock deep excavation cut slope supporting structure and supporting method. The supporting structure comprises at least one lower plain stage of slope, at least one upper plain stage of slope, a middle plain stage of slope, slide-resistant piles and slope toe pile slab walls. The supporting structure is applicable to a swelling soil (rock) deep excavation cut slope (the height of the cut slope generally exceeds 15m). The slope supporting method particularly includes the steps of 'arranging the pile slab walls at slope toes for reinforcing, arranging a gentle slope, arranging an anchor rod (rope) frame beam support, arranging a party ledge in the middle of the slope and arranging the slide-resistant piles on the party ledge, so that collapse risk in the construction and operation process of the swelling soil (rock) deep excavation cut slope is effectively reduced, and stability of the swelling soil (rock) deep excavation cut slope is ensured.

The invention discloses a system for improving a rare earth recovery rate and a rare earth mine liquid collection system applying the same. The system for improving the rare earth recovery rate comprises a water avoidance ditch around a mountain; the water avoidance ditch is arranged along the lower part of a weathered layer and above a liquid collection roadway, and is used for intercepting and separating non-rare-earth leachate. By the system for improving the rare earth recovery rate, the non-rare-earth leachate such as rainwater can be intercepted and separated, and is prevented from entering the liquid collection roadway and mixing with rare earth leachate. Compared with the prior art, the operation has the advantages of increasing the concentration of the rare earth leachate, reducing the content of impurities therein, reducing the difficulty of separating rare earth from the rare earth leachate, and accordingly helping to improve the rare earth recovery rate.

The invention provides an ecological protection and restoration landslide drainage system which comprises a slope body and further comprises a protection structure arranged on the slope body, and the protection structure comprises a cement protection frame laid on the surface of the slope body and an anchoring part arranged in the slope body. The anchoring part comprises a columnar body, a drainage channel formed in the columnar body and a water permeable hole formed in the columnar body and communicated with the drainage channel, the end of the columnar body and the protection frame are integrally arranged, the end, connected with the cement protection frame, of the drainage channel is communicated with the outside, and the end, connected with the cement protection frame, of the drainage channel is communicated with the outside. The anchoring part is arranged in the slope body, the cement protection frame and the anchoring part are integrally arranged, the strength of the cement protection frame is improved, slipping of the cement protection frame is avoided, the drainage channel is formed in the anchoring part, and the water permeable holes are formed in the side wall, so that water in the slope body can flow into the drainage channel through the water permeable holes in time and flow out along with the drainage channel; and the risk of landslide is reduced.

The invention discloses a novel reinforcing method for an underground comprehensive pipe gallery slope. The foundation pit slope of the pipe gallery is reinforced by using a combination way of waste tires, short nails and waterproof geotextiles, and the construction steps comprise the followings in sequence, slope processing, waterproof geotextile laying, waste tire laying and short nail nailing.The novel reinforcing method for the underground comprehensive pipe gallery slope is applied in supporting and reinforcing of the underground comprehensive pipe gallery slope, the supporting cost of the foundation pit can be greatly reduced under the premise of satisfying the construction needs, the waste tires, the short nails, and the waterproof geotextiles can be reused and recycled, and energysaving and environmental protection are achieved.

The invention discloses a desert area deep foundation pit excavation construction method, belongs to the field of foundation pit construction, and aims to reduce the foundation pit collapse condition,accelerate the forming speed and guarantee the construction quality and safety. The desert area deep foundation pit excavation construction method comprises the following steps: (1) the lofting is performed on pit ports of all pits; (2) floating sand is excavated and conveyed to a safety zone beyond a foundation pit, so that the whole base surface is reduced to the center pile elevation; (3) a lower base surface is excavated, so that the base surface is lowered to the foundation pit excavation depth of 3 m; (4) the foundation pit is excavated layer by layer to meet the design requirements; and (5) the foundation pit is protected. In the construction method, through excavation of the floating sand, the whole base surface is lowered to the center pile elevation, so that potential safety hazards in construction caused by the floating sand are eliminated; and the base surface is lowered to facilitate smooth implementation of subsequent excavation of the foundation pit. Through excavationof the lower base surface, the foundation pit excavation depth is reduced, so that the foundation pit collapse condition is reduced, the construction safety and the foundation pit stability are guaranteed, the foundation pit collapse risk is reduced, and meanwhile, the quick formation of the foundation pit is facilitated.

The invention provides a trapezoidal spray-seeding method for an easy-to-slip rock slope by using a cotton soil matrix. The trapezoidal spray-seeding method comprises the following steps that the slope height and the slope angle of the easy-to-slip rock slope are measured and calculated, and trapezoidal grading is carried out; honeycomb-shaped flexible templates with different heights are arranged according to different trapezoidal partitions; a fiber mixed mud matrix is sprayed by a high-temperature spraying gun to form a waterproof matrix layer on the surface; and a cotton soil spraying gun is adopted to spray the cotton soil matrix to form a cotton soil matrix layer. According to the trapezoidal spray-seeding method for the easy-to-slip rock slope by using the cotton soil matrix, trapezoidal partition spray-seeding is carried out on the easy-to-slip rock slope, and the economic cost and the environmental cost of soil dressing are reduced according to the geotropism of plant root growth; a honeycomb-shaped flexible template is adopted to prevent rainwater from being retained and disturbing a side slope, and the construction requirement for a side slope drainage ditch is lowered; the high-temperature spraying gun and the cotton soil spraying gun are adopted for combined spray seeding, a double-layer mixed matrix of a waterproof matrix and the cotton soil matrix is formed, better porosity, air permeability and water retention are achieved, and the repaired easy-to-slip rock slope is high in anti-scouring capacity, loose in matrix, high in stability coefficient and low in landslide risk.

The invention provides an air-permeable sap coating composite material for preventing slope infiltration and a manufacturing method thereof. The sap-coated composite material is composed of a sap-coated honeycomb grid, a three-dimensional separation layer, and a reinforced permeable layer. The sap coating composite material is used in the surface waterproofing project of slope embankment filling, especially suitable for slope embankment filling projects in areas with a lot of rain in the south, which can significantly reduce or eliminate the infiltration of seepage rainwater on the slope embankment Destruction, speed up the discharge of rainwater from the surface of the slope embankment, reduce the downward seepage along the slope, and avoid soil seepage damage. In fine weather, the sap coating composite material can also shrink and open the honeycomb ventilation holes to discharge the rainwater in the slope embankment Excess moisture. At the same time, the sap coating composite material can also improve the anti-skid performance of the slope soil and reduce the risk of landslides.

The invention discloses a gabion retaining wall construction method applied to bank slope protection. The method comprises the steps of (a) excavation of a foundation pit, (b) reinforcement of the foundation pit, (c) gabion rock filling, (d) backfilling, (e) afforesting and (f) monitoring and measurement. The method includes few construction procedures and is convenient to operate, low in cost, high in environmental affinity, high in overall construction efficiency and easy in quality and safety control, the construction progress can be accelerated through cooperation of manpower and machinery, the good economic benefit can be obtained, and the method is suitable for more projects, has the broad application prospect and is worthy of popularization and application.

The invention provides a reinforced composite geotechnical cushion capable of preventing the capillary barrier effect and a manufacturing method thereof. The composite geotechnical cushion is formed by sandwiching a gravel and hemp thread layer, a hot-melt plastic wire layer and a reinforced grating layer. The reinforced composite geotechnical cushion is used in the side slope embankment filling anti-sliding reinforcement project and is particularly suitable for a side slope embankment filling project in a region with more rainwater in the south, the capillary barrier effect of infiltration rainwater at the reinforced layer can be remarkably reduced or eliminated, the infiltration speed of the rainwater can be increased, the seepage along the slope surface can be reduced, and the infiltration damage of soil mass can be avoided; and meanwhile, the composite geotechnical cushion can also improve the anti-sliding performance of the side slope soil mass and reduce the risk of landslide.

The invention discloses a butt joint device which comprises a beam and an adjusting assembly. The adjusting assembly comprises a slide guide rail, a clamping device and a butt joint driving source. The beam is connected to the output end of a beam driving source. The slide guide rail is rotationally connected to the beam through a guide rail shaft. The slide guide rail is connected to the output end of a guide rail driving source. The guide rail driving source is used for driving the slide guide rail to rotate relative to the guide rail shaft. The clamping device is slidingly connected to a guide rail linear slideway of the slide guide rail. The butt joint driving source is a linear driver. A shell and an output shaft of the butt joint driving source are connected with the clamping deviceand the slide guide rail correspondingly. By means of the butt joint device, through a mechanical auxiliary mode, the butt joint of lagging jacks is completed, the lagging jacks are grabbed by the clamping device, workers do not need to directly make contact with the lagging jacks, by using the beam driving source, the beam, the slide guide rail, the guide rail driving source and the butt joint driving source in cooperation for adjusting the position of the clamping device, the positions of lug base holes of the lagging jacks can be adjusted, the butt joint of the two lagging jacks is realized, and the butt joint efficiency of the steel lagging jacks can be easily improved.

The invention discloses an anti-slide pile for prevention and control of underwater soft soil slope landslides caused by earthquakes and a construction method thereof. The anti-slide pile is used for the sudden flow of easily liquefiable soft soil slopes on river alluvial plains, river estuaries and continental shelves The prevention and treatment of landslides and progressive fluidity landslides; the invention adopts the steel casing with automatic liquefaction prevention and control system, which can independently adjust the surrounding soil of anti-slide piles in the construction and operation stages of anti-slide pile foundations in easy-to-liquefy soft soil areas The pore water pressure in the water can effectively reduce the risk of landslides in the soft soil that is easy to liquefy underwater, and ensure the engineering safety of the anti-slide pile and its superstructure; If the pore water pressure in the underwater soft soil around the pile cannot cope with the rapid development of the pile top settlement or the excessive settlement of the anti-slide pile, the underwater easy-to-liquefy soft soil slope can be fully reinforced by injecting concrete grout for further comprehensive and in-depth treatment Underwater soft soil slope landslide and anti-slide pile foundation failure.

The invention provides a reinforced composite geotechnical cushion capable of preventing the capillary barrier effect and a manufacturing method thereof. The composite geotechnical cushion is formed by sandwiching a gravel and hemp thread layer, a hot-melt plastic wire layer and a reinforced grating layer. The reinforced composite geotechnical cushion is used in the side slope embankment filling anti-sliding reinforcement project and is particularly suitable for a side slope embankment filling project in a region with more rainwater in the south, the capillary barrier effect of infiltration rainwater at the reinforced layer can be remarkably reduced or eliminated, the infiltration speed of the rainwater can be increased, the seepage along the slope surface can be reduced, and the infiltration damage of soil mass can be avoided; and meanwhile, the composite geotechnical cushion can also improve the anti-sliding performance of the side slope soil mass and reduce the risk of landslide.

The invention discloses a pile-soil combined action supporting device and a construction method thereof. The supporting device comprises cast-in-situ bored piles and steel plates which are connected with each other, wherein H-shaped steel is arranged in each cast-in-situ bored pile; through holes are formed in each steel plate; and the bottom surfaces of the cast-in-situ bored piles and the steelplates are lower than a slip crack surface of a side slope. The construction method comprises the following steps of 1, trimming the slope surface of the side slope, positioning drill holes, performing cleaning, and enabling two adjacent drill holes not to collapse; 2, inserting the H-shaped steel in a position between every two adjacent drill holes; 3, driving the steel plates into soil along clamping grooves at the two sides of the H-shaped steel, and maintaining the perpendicularity of the H-shaped steel and the steel plates; and 4, pouring concrete into the drill holes, performing curing to form the cast-in-situ bored piles, and completing the construction of the supporting device. The pile-soil combined action supporting device and the construction method provided by the invention have the advantages that the pile-soil combined action is considered; through the arc-shaped steel plates and the reasonable pile space, a soil arch effect is formed; the shear strength of the soil bodyis utilized to resist external force; the consumption of the piles is reduced; resources are saved; and the workload is reduced.

The invention discloses a high embankment slope stabilization structure, which comprises: a retaining wall, steel pipe piles and anchor rods; a retaining wall is arranged at the slope foot of the high embankment; Excavation steps and gravel drainage belts are set at the interface, the bottoms of the steel pipe concrete piles and steel pipe piles pass through the gravel drainage belts, the upper section of the steel pipe piles is covered with a grouting sleeve, and the lower end of the grouting sleeve reaches the broken stone drainage belt. The upper end of the stone drainage belt is connected to the grouting port through the grouting pipe. The fixed pulley and the pipeline channel are arranged inside the steel pipe concrete pile. The anchor rod is fixed in the rock stratum behind the excavation steps. The strands are connected to fixed pulleys or steel pipe piles at equal heights, and the steel strands connected to the fixed pulleys are led out of the crown beam through the pipeline channel and connected to the steel strand tensioning device. It is suitable for reinforcement and active control of embankment deformation during embankment construction and operation, especially for embankment projects with high requirements for embankment stability and later operation safety.

The invention provides a breathable super absorbent polymer (sap) coating composite material for preventing slope surface infiltration and a manufacturing method thereof. The sap coating composite material is sandwiched by a sap coating honeycomb grille, a three-dimensional partition layer, and a reinforced permeable layer, the sap coating composite material is used in slope embankment filling surface waterproofing engineering and is particularly suitable for slope embankment filling engineering in areas with more rain in the south, seepage failure caused by infiltration of rainwater to the slope embankment can be significantly reduced or eliminated, drainage of rainwater from the surface of the slope embankment is accelerated, seepage flowing down the slope surface is reduced, soil body seepage damage is avoided, when the weather is fine, the sap coating composite material can shrink so that honeycomb ventilation holes are opened, and excessive moisture in the slope embankment is drained; and at the same time, according to the sap coating composite material, the anti-sliding performance of the slope soil body can be further improved, and the risk of landslides is lowered.

The invention provides a super-large-diameter deep shaft simple shield device and a shielding method. The simple shield device comprises a soil cutter, a pipe piece supporting base, an excavating cutter head, a steel plate ring shaft wall, a concrete pipe piece and matched construction devices. A concrete pump truck, a crane, a pipe piece pressing machine, a loader, a slag stone vehicle, a welding machine and other matched devices are arranged above a shaft. An excavator is matched with the bottom of a shaft, and a slag stone conveying device is installed on the position from the bottom to the top of the shaft. The method is simple, the property is reliable, the devices are mutually matched, the mechanical construction requirements of the super-large-diameter deep shaft are met, work efficacy and construction speed of the super-large-diameter deep shaft are greatly improved, the supporting effect of shaft construction is greatly improved, and the collapse risk is reduced.

The invention belongs to the technical field of jumbolter equipment for coal mines, and particularly relates to an automatic rod feeding device of a jumbolter for a coal mine. The problem that the operation efficiency of an existing roof bolter for the coal mine is low, thus the time of the support process of a roadway is long, and consequently the landslide risk of the roadway is increased is solved. The automatic rod feeding device comprises an anchor storeroom support, a rotatable anchor rod support plate is located at the bottom of the anchor rod storeroom support and arranged horizontally, the anchor rod support plate is provided with anchor rods arranged in a circle shape, a rotating center shaft arranged vertically is fixed to the position, on the circle center of the anchor rod support plate, of the anchor rod storeroom support, an anchor grasping mechanical arm fixing sleeve tube is arranged on the upper part of the rotating center shaft in a concentric mode, the anchor grasping mechanical arm fixing sleeve tube is provided with an anchor grasping mechanical arm, and a hydraulic driving device fixedly connected with the upper surface of a second cross arm is arranged at the top of the anchor rod storeroom support. According to the automatic rod feeding device, the changing and mounting efficiency of the anchor rods is effectively improved, the time of the support process of the roadway is shortened, and the landslide risk of the roadway is reduced.

The invention discloses a slope reinforcing structure for civil engineering. The slope reinforcing structure for civil engineering comprises a fixing plate arranged at the upper end of a slope, a water collecting plate is fixedly connected to the side wall of one side of the upper end of the fixing plate, the water collecting plate is arranged in a U shape, a fixing mechanism is arranged on the other side of the fixing plate, a plurality of protective fences are fixedly connected to the bottom end of the fixing plate, water flowing grooves are formed in the side walls of the protective fences, the bottom ends of the protective fences are fixedly connected with the same positioning block, a drainage groove is formed in the side wall of the upper end of the positioning block, and the positioning block is provided with a lifting mechanism. When the slope is reinforced, planting is carried out in the vacant positions reserved in the staggered mode of the protective fences, rainwater is drained into the drainage groove in the positioning block at the bottom end of the slope through the water flowing grooves in the protective fences in rainy days, then the rainwater is drained away through the drainage groove, the roots of vegetation can be irrigated, under the action of the protective fences and the vegetation, rainwater can be effectively treated, the firmness of the slope is effectively improved, and the danger of earth-rock landslide is reduced.

The invention discloses an anti-slide pile for preventing and treating underwater soft soil slope landslide caused by earthquakes, and a construction method. The anti-slide pile is used for preventingand treating sudden flowing landslide and progressive flowing landslide of an easily-liquefied soft soil slope on a river alluvial plain, a river estuary and a continental shelf. A steel casing withan automatic liquefaction preventing and treating system is adopted, the pore water pressure in a peripheral soil body of the anti-slide pile can be autonomously adjusted in the anti-slide pile foundation construction and operation stage of an easily-liquefied soft soil area, the risk of underwater easily-liquefied soft soil slope landslide is effectively reduced, and the engineering safety of theanti-slide pile and the upper structure of the anti-slide pile is guaranteed; and aiming at the situation that underwater soft soil is seriously liquefied and damaged due to strong earthquakes, onlyreduction of the pore water pressure in the underwater soft soil around the anti-slide pile cannot deal with too fast pile top settlement development or too large settlement amount of the anti-slide pile, the underwater easily-liquefied soft soil slope is fully reinforced by injecting concrete grout, and underwater soft soil slope landslide and anti-slide pile foundation damage are comprehensivelyand deeply treated.