64results about How to "Reduce landslides" patented technology

The invention relates to an advanced geological forecast method in the tunnel construction filed, comprising the following steps of: determining a hole prospecting proposal according to a middle or short term forecast and placing a radar antenna in after a hole is drilled to collect radar signals and determine whether any abnormal geologic body exists; if no geologic body exist, continuing construction; if geologic body exists, drilling again, placing a radar antenna in so as to collect signal and determine whether any abnormal geologic body exists; if no geologic body exist, continuing construction; if geologic body exists, drilling again and placing a radar antenna in so as to collect signals. Describing the spatial positions of the abnormal geologic bodies according to the signals obtained during the three times so as to provide operational geologic information for further processing. The advanced geological forecast method can be used in a wide exploration scope, can accurately forecast the abnormal spatial geologic phenomenon in front of an excavating face, provides reliable assurance for reducing collapse and rapid construction, is applicable to exploration of high resolution at deep underground and deep tunnel excavating face and is an uniquely feasible and effective exploration means to deep engineering in many cases.

The invention relates to an asphalt cold recycling agent, which is characterized by being prepared from a waste asphalt activator, an anti-aging agent, an ultraviolet absorbent, a reinforcing agent, a reinforcing curing agent and a reinforcing auxiliary agent serving as raw materials, wherein the waste asphalt activator consists of any one or more of engine oil, castor oil, naphthenic oil, aromatic hydrocarbon oil and furfural oil; the anti-aging agent is a mixture of an antioxidant and a p-phenylenediamine anti-aging agent; the ultraviolet absorbent is 2,4-dihydroxymethyl benzophenone; the reinforcing agent is bisphenol A epoxy resin E44 or E51; the reinforcing curing agent is a cashew nut oil modified amine curing agent; and the reinforcing auxiliary agent is a glycidyl ester epoxy active diluent. An asphalt recycled mixture prepared by adding the asphalt cold recycling agent into waste asphalt has high comprehensive performance, namely high bonding strength, high-temperature performance, low-temperature crack resistance and rheological performance, the actual service life of 8 years, and high aging resistance and weather resistance.

The invention discloses a method for preventing and controlling a geological disaster through flow guide and energy dissipation of a mountainous area slope, and belongs to the field of construction. According to the scheme, a stilling pool is built on the upstream portion of a gully of the mountainous slope, and the water is collected and subject to energy dissipation; a plurality of reserving holes are formed in the side wall of the stilling pool, through connection of a plurality of draining pipes, water gathered into the stilling pool from the side wall of the stilling pool is subject to partial flow guide, the flow guide direction is perpendicular to or approximately perpendicular to the discharge direction of the stilling pool, and the tail ends of the draining pipes are connected into the downstream portion of the gully at the bottom of the slope. On the basis of the conventional energy dissipation measure, the bundled draining pipes are arranged beside the upstream stilling pool, meanwhile, the flow guide effect of the stilling pool is combined according to circumstances, no washing effect on the slope exists, and the positive good effect is generated on reducing of common landslide, debris flow and the like.

The invention provides an ecological ditch for reducing pollutants in paddy field drainage. By arranging a water conservation valve in the ecological ditch and an ecological intercepting box containing an ecological substrate bed and biological film fillers, laying ecological concrete mixtures on a ditch wall and the bottom of the ditch, and planting adaptive plants in through holes of the ditch wall and the bottom of the ditch and planting adaptive plants on the ecological substrate bed, the scour of the paddy field drainage to the ditch and plant seedlings is weakened; the ditch wall and thebottom of the ditch are stabilized; the purifying capacity of the ditch to the paddy field drainage is increased; the total amount of the pollutants in the paddy field drainage entering a downstreamaccommodating water body is reduced; the possibility of occurrence of eutrophication in the downstream accommodating water body is reduced; the biological diversity and landscape feature of a paddy field area are increased; a living environment is created for wild animals and plants; and meanwhile, the economic income of farmers can be effectively increased due to the fact that economic class plants are planted in the ecological ditch.

The invention discloses a rare earth in-situ leaching and enriching process for ionic rare earth ore. The rare earth in-situ leaching and enriching process comprises the following steps: step 1, injection an ore leaching agent and a shrinkage agent into ore body, and performing sited and in-situ ore leaching to enable 'ion-phase' and part of 'other-phase' rare earth to leach out to obtain a mother liquor; step 2, pumping an impurity removal agent I into the medium and high-concentration mother liquor for impurity removal, precipitating through a precipitator, washing with clear water, filtering, and firing to obtain a solid rare earth product, wherein the impurity removal agent I is a mixed solution of a sodium bicarbonate solution and a sodium carbonate solution, and the precipitator is a sodium bicarbonate solution; and pumping an impurity removal agent II into the low-concentration mother liquid for neutralization to remove aluminum impurities, pumping ion exchange columns into the mother liquor from which aluminum is removed for adsorptive enrichment of rare earth ions, and desorbing with acid to obtain a liquid rare earth product, wherein the impurity removal agent II is lime cream. The independently researched and developed brand-new agents are used together with the whole set of innovative technology to achieve the purposes of significant change of the ionic rare earth extraction process, comprehensive optimization of technical-economic indicators and friendly ecological environment.

The invention discloses a drilling tool and a rotary drilling jig. The drilling tool comprises an inner drilling tool and an outer drilling tool, wherein the inner drilling tool is sleeved with the outer drilling tool. An inner drill bit is arranged at the bottom of the inner drilling tool, and an outer drill bit is arranged at the bottom of the outer drilling tool. A first torque transmission mechanism connected with a drill rod is arranged on the top of the inner drilling tool. The inner drilling tool is connected with the outer drilling tool through a second torque transmission mechanism. On one hand, the outer drilling tool of the drilling tool has the wall protection effect, on the other hand, the outer drilling tool can cut a soil layer or stones at the bottom of the outer drilling tool, accordingly, it is guaranteed that in the hard stratum drilling process, the outer drilling tool can always follow up the inner drilling tool for burying, the probability of accidents such as collapse is reduced, and production efficiency also can be improved.

The invention provides a bulk cargo ship loading method. According to the bulk cargo ship loading method, cabins of a bulk cargo ship are consecutively loded in a reciprocating mode in an 8 shape, wherein the 8 shape is a central symmetrical figure, the longitudinal symmetrical axis of the cabins serves as the longitudinal symmetrical axis of the 8 shape and serves as a sea-land side boundary ofloading of the bulk ship, the symmetrical center of the 8 shape serves as a loading starting point, and loading is carried out in the direction from the land side to the sea side in a stern incliningmode. By means of the bulk cargo ship loading method, the height of loaded material stacks can be reduced, the gravity center can be lowered, and the possibility that the material stacks collapse dueto shaking of a ship body can be reduced; in the loading process, stacking is always started from the land side, the possibility that the ship body inclines towards the sea side can be reduced to theminimum, and the risk of cable breaking can be avoided; the stable material stacks can be provided, and the balance of the bulk cargo ship can be ensured, so that the balance of the ship body when theship sails on the sea is ensured, and the safety of the ship in the sea sailing process is ensured.

The invention discloses an ecological slope protection structure for conservation of water and soil for water conservancy construction. The ecological slope protection structure for conservation of water and soil for water conservancy construction comprises supporting steel bars, drainage branch pipes, a funnel, a slope body, an anti-seepage layer, a reinforcing steel rib, a concrete slope, a leader drain, a rotary shaft, a second filter screen, a water inlet pipe, a water pump, a water outlet pipe, a catch basin, a hydraulic telescopic rod, a reset spring, a baffle plate, a cover plate, through holes and a shaft sleeve. The concrete slope is connected to one side of the slope body through bolts, the bottom of the concrete slope is connected to the reinforcing steel rib through bolts, theanti-seepage layer is welded and fixed to the bottom of the reinforcing steel rib, the supporting steel bars are uniformly mounted in the bottom of the anti-seepage layer, the drainage branch pipes are uniformly mounted in the reinforcing steel rib and passes through the reinforcing steel rib and is connected to the concrete slope, and first filter screens are connected in the drainage branch pipes through bolts. The ecological slope protection structure has the functions of preventing water and soil loss, collecting water and preventing landslip.

The invention provides a slope hole planting greening method. The slope hole planting greening method includes the following steps: cutting the slope, drilling holes, carrying out water irrigation and seepage in the holes, preparing nutritive soil, planting in the holes and backfilling soil. The slope hole planting greening method provided by the invention reduces the situations of collapse and water and soil loss caused by self weight of the soil body, reduces the difficulty of greening management operations, improves the loose degree of the greening soil and enlarges the effective greening area.

The invention discloses a slope protection structure being answerable for water and soil loss. The slope protection structure comprises a slope protection body, wherein a plurality of stages of stepsare arranged on the slope protection body, a triangular groove belt is arranged in each step, a rainwater filtering device is arranged in each triangular groove belt, each rainwater filtering device comprises two punching plates, a multi-stage covering layer and a drainage channel, wherein the two punching plates are tightly attached to the two sides of the triangular groove belt correspondingly,the multi-stage covering layer is arranged between the two punching plates at one time from top to bottom, the drainage channel is arranged below the multi-stage covering layer, and the drainage channel communicates with a slope surface drainage system. According to the slope protection structure, the rainwater filtering device is arranged on each stage of the step, and stepped interception of precipitation is achieved; when the precipitation amount is small, precipitation can be naturally permeated into the slope surface soil through the punching plates; when the precipitation amount is large, a small amount of precipitation directly penetrates into the slope surface soil, and the remaining precipitation is gathered to the slope surface drainage system through the drainage channels to bedrained; and precipitation is prevented from directly flushing the slope surface, and the water and soil loss of the slope surface is reduced.

The invention discloses a method for restraining deformation of a small-clear-distance tunnel in an argillaceous sandstone stratum. The method comprises the steps that 1, a deformation monitoring module is installed, and an arch foot of an upper supporting steel frame is reinforced; 2, a primary supporting structure is reinforced for the first time; 3, middle clamping rock is reinforced; 4, the primary supporting structure is reinforced for the second time; and 5, the primary supporting structure is reinforced for the third time. According to the method, deformation of surrounding rock of the small-clear-distance tunnel is restrained by reinforcing the primary supporting structure, construction operation is easy, and the reinforced primary supporting structure is reliable and stable; and by reinforcing, monitoring and measuring multiple parts of the primary supporting structure, the stability and structural rigidity of the primary supporting structure are enhanced, cracking of the primary supporting structure is avoided, and therefore settlement convergence deformation of the surrounding rock of the tunnel is reduced, reinforcing and stability maintaining in the initial excavation stage of the tunnel are achieved, and the overall stability and construction safety of the tunnel are guaranteed.

The invention relates to a method for jointly treating an open pit through waste rocks and dry tailings, and belongs to the field of mine open pit backfilling treatment. The method comprises the steps that the bottom of the open pit is backfilled with a waste rock layer 2, dry tailings obtained after dehydration and filter pressing are conveyed to the waste rock layer 2 and are compacted to form a dry tailings layer 3, and the waste rock layer 2 and the dry tailings layer 3 are stacked alternately; an initial dam 4 is laid on the stacking layer of the waste rock layer 2 and the dry tailing layer 3, and dry tailing piles 3'are stacked on the upstream of the initial dam 4 in a layered mode in an inverted mode; a waste rock heap 10 is stacked on the periphery of the dry tailing heap 3'stacked in the middle layer in an inverted mode till the top face of the waste rock heap 10 is bordered with the top face of the dry tailing heap 3 '; a drainage prism 5 is laid on the periphery of the waste rock pile 10; and an inverted filter layer 6 is constructed between the waste rock heap 10 and the drainage prism body 5. The risk of landslide, debris flow and other secondary geological disasters caused by instability of the open-air side slope can be reduced, safety accidents caused by tailing leakage and dam break can be avoided, and safe stockpiling of the waste rocks and the tailings is achieved.

The invention discloses a pillar foundation structure of an overhead line system. The pillar foundation structure comprises a supporting part, a pile foundation part, and a waterproof curtain; the upper end of the supporting part is used for mounting a pillar of the overhead line system; the upper end of the pile foundation part is connected with the lower end of the supporting part; and the waterproof curtain is located below the supporting part and surrounds the pile foundation part. The invention further provides a construction method of the pillar foundation structure of the overhead line system. According to the pillar foundation structure of the overhead line system and the construction method thereof, the excavation depth is small, the excavation area is small, the vertical bearing capacity and the anti-overturning capacity of the pillar foundation structure of the railway overhead line system are improved, the influence of construction of the pillar foundation structure of the overhead line system on the surrounding environment is reduced, and particularly, the operation risk and the safety risk of an existing railway line are reduced.

The invention discloses a foundation pit trestle slope, and relates to the technical field of trestle construction, the foundation pit trestle slope comprises a trestle plate, a temporarily built hardened road and a slope structure, the slope structure comprises a plain soil layer located at the bottommost layer, slope ballast arranged on the plain soil layer and a slope surface layer arranged on the slope ballast, the slope surface layer comprises a concrete layer and a two-way steel bar structure embedded in the concrete layer, and the two-way steel bar structure is formed by vertically binding a plurality of steel bar bundles on a plane parallel to the slope surface layer. The invention further discloses a construction method of the foundation pit trestle slope. The construction method comprises the steps that 1, the horizontal distance and the vertical distance of the slope are measured; 2, a slope is excavated, and a slope structure is filled; 3, a vertical wall body is poured; 4, a drainage ditch is built; 5, a platform surface layer is built; and 6, the concrete retaining wall is poured. The bearing capacity, the supporting strength and the surface strength of the slope are improved, and the service life of the slope is prolonged.

The invention relates to slag mountain vegetations and a planting method thereof, belongs to the technical field of ecological remediation for slag mountains, and mainly aims to solve the problem of ecological remediation for mining wasteland. The slag mountain vegetations comprise planting steps, arbors and bushes. The slag mountain vegetations are characterized by further comprising straw seedling raising containers, wherein the straw seedling raising containers comprise straw seeding raising rods and straw seedling raising earthen bowls; the arbors are subjected to intensification field planting in the straw seedling raising earthen bowls; the bushes are developed in root systems and bred by an intensification seedling raising technique with the straw seedling raising rods; the arbors and the bushes are integrally transplanted on a slag mountain together with the straw seedling raising containers, a planting platform in step-shaped distribution is artificially rebuilt on the slope body of the slag mountain, the width of the planting platform is not smaller than 1m, and large hard stones are tiled outside the planting platform and are tramped; and the bushes are transplanted on sloping surfaces, and the arbors are transplanted on flat ground. The planting method comprises the steps of performing field planting on the arbors through an intensification field planting techniquewith the straw seedling raising earthen bowls and the straw seedling raising rods, breeding the bushes, and performing integral transplanting to the trimmed slag mountain.

The invention provides an ecological anchor rod, a slope protection system and a construction method, and belongs to the technical field of slope protection. The ecological anchor rod comprises a sleeve, an inner rod and a pipe cover, wherein the surface of the inner rod is fixedly connected with a drainage layer, a first drainage strip and a second drainage strip are arranged on the drainage layer, the first drainage strip is arranged on the side wall of the top of the drainage layer in a shot manner, one end, far away from the drainage layer, of the first drainage strip is fixedly connectedto the inner wall of a first through hole, one end, far away from the drainage layer, of the second drainage strip is fixedly connected to the inner wall of a second through hole, a storage cavity isformed in the bottom of a grouting chamber, the bottom of the drainage layer is arranged inside the storage cavity, and the storage cavity is configured to be used for storing fertilizers. According to the scheme, the strength of a slope can be effectively improved, small-area landslide of the slope is reduced, and the ecological anchor rod, the slope protection system and the construction methodare particularly suitable for protection of soil slopes, broken rock slopes and soil and broken rock combined slopes.

The invention relates to the technical field of ecological remediation, in particular to a mine ecological remediation system and an application method thereof. The mine ecological remediation system comprises a remediation base material arranged on the exposed surface of a mine, and plant filler spread on the remediation base material, and the remediation base material comprises non-woven fabric and fluffy cotton laid on the top face of the non-woven fabric. The mine ecological remediation system is simple in structure and can be adjusted according to local conditions, the pollution problem of the mine can be effectively solved, and conservation of water and soil and natural environment recovery are facilitated. According to the mine ecological remediation system and the application method thereof, the plant filler can be fixed through the fluffy cotton, the plant filler is prevented from running away due to various reasons, the pollution problem of the mine can be effectively solved, conservation of water and soil and natural environment recovery are facilitated, the workload is small, and the maintenance cost is low.