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64results about How to "Reduce landslides" patented technology

Method for forecasting advanced geology for tunnel construction

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.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD +1

Asphalt cold recycling agent and preparation method thereof

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.
Owner:重庆市智翔铺道技术工程有限公司

Method for preventing and controlling geological disaster through flow guide and energy dissipation of mountainous area slope

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.
Owner:NINGBO COMM PLANNING INST CO LTD +1

Rare earth in-situ leaching and enriching process for ionic rare earth ore

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.
Owner:赣州弘茂稀土工程有限公司

Structure of channel for recovering in-situ leaching mother solution of rare earth ore

The invention provides a structure of a channel for recovering in-situ leaching mother solution of rare earth ore. The structure is that a brick wall is built at the liquid recovering channel; gaps for water seepage are reserved in one surface of the brick wall, close to the mountain, and the other surface of the brick wall, back on to the mountain, is avoided water seepage; the bottom part of the channel is subjected to anti-seepage treatment; the middle lower layer of the channel is filled whit gravel layers or sand layers; the upper layer of the channel is filled with small bamboo poles; PVC water pipes are buried in the bottom part of the channel, and pores are formed in the PVC water pipes. Rare earth mother solutions seeping from the mountain can be effectively covered through a channel body of the liquid recovering channel, and that the recovery rate of the mother solutions is reduced due to the seepage of the mother solution in collecting can be prevented through a blocking wall at one side of the channel body. The optimized solution recovering work can reduce the potential risks of the side slope such as cutting of the slope toe due to the flushing of the running mother solution to the slope toe of the mountain and can also reach the purpose of fixing and stabilizing the slope to a certain extent, and thus the probability of landslide of the slope toe of the mountain can be greatly reduced.
Owner:JIANGXI UNIV OF SCI & TECH

Drilling tool and rotary drilling jig

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.
Owner:BEIJING SANY HEAVY MASCH CO LTD

Bulk cargo ship loading method

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.
Owner:MCC BAOSTEEL TECH SERVICE

Ecological slope protection structure for conservation of water and soil for water conservancy construction

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.
Owner:诗莎兰妮(青岛)电子商务有限公司

Ecological restoration structure of high and steep side slope of refuse dump

The invention relates to an ecological restoration structure of a high and steep side slope of a refuse dump, and belongs to the technical field of side slope ecological rehabilitation. A step slope top soil barrier (2) is arranged at the upper end of a slope (6), slope fixing straw ropes (1) and covering soil (5) are laid on the slope surface, the slope fixing straw ropes (1) are arranged at intervals, the upper ends of the slope fixing straw ropes (1) are buried below the step slope top soil barrier (2), the slope fixing straw ropes (1) at the lower middle part are woven into rhombus grid nets, slope fixing anchor rods (3) are further involved, the slope fixing anchor rods (3) are arranged at the mesh intersection points of the rhombic grid nets at intervals, the slope fixing straw ropes(1) are fixed to the slope (6), and green plants (4) are arranged in meshes. According to the ecological restoration structure of the high and steep side slope of the refuse dump, the slope fixing straw ropes (1) are woven into the rhombic grid nets to be fixed to the slope surface, the covering soil (5) is laid on the slope surface, the using amount of the covering soil (5) is reduced, and the problems that the covering soil (5) is directly dumped for rehabilitation in ecological restoration of the high and steep slope, confluence is formed in rainy days, the covering soil (5) on the surfaceis easily washed away, and the slope rehabilitation effect is caused to be poor are solved.
Owner:PANGANG GRP MINING

Slope hole planting greening method

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.
Owner:BAOJI FORESTRY SCI INST

Slope protection structure being answerable for water and soil loss

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.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Comprehensive treatment structure for ecological protection of river channel landslide prevention slope and construction method of comprehensive treatment structure

The invention relates to a comprehensive treatment structure for ecological protection of a river channel landslide prevention slope and a construction method of the comprehensive treatment structure.The comprehensive treatment structure for protection comprises a buffer filter belt arranged at the edge of a river channel embankment, a protective net layer laid on the river channel slope surface,a concrete protective wall poured on the river channel slope surface, an ecological planting groove fixed to the bottom of the concrete protective wall and a reinforcing net connected to the lower portion of the ecological planting groove in a pressed mode and extending to the bottom of a riverbed, wherein a planting tunnel is formed in the river channel embankment, the buffer filter belt comprises ecological geotechnical cloth laid in the planting tunnel and a planting soil layer, the protective net layer is in lap joint with the ecological geotechnical cloth, and an anchoring rod is anchored on the river channel slope surface; aquatic purification plants are planted in the ecological planting groove; and reinforcing stone blocks are loaded in the reinforcing net to form a reinforcing layer. Through the treatment structure, comprehensive protection of the river channel embankment is achieved, and the phenomena of landslide and water and soil loss are reduced.
Owner:苏州市相城生态建设管理有限公司

Geological information collecting device based on tunnel construction

A geological information collecting device based on tunnel construction comprises a radar antenna which is arranged in a tunnel. An anti-collision shell is arranged outside the radar antenna. The radar antenna is connected with a computer through a wireless transmission device. The radar antenna is bound by a soft pole and slowly dropped into a detecting hole, a radar is used for collecting signals and sending the collected signals back to the computer through the wireless transmission device to be processed, and then image interpretation is performed. The geological information collecting device based on the tunnel construction has the advantages of being simple in structure, high in resolution ratio and high in accuracy.
Owner:XIAN HUIKE GEOLOGICAL TECH SERVICES

Method for restraining deformation of small-clear-distance tunnel in argillaceous sandstone stratum

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.
Owner:THE NO 6 ENG CO LTD OF CHINA RAILWAY 20TH BUREAU GRP

Anchoring device for rock-soil side slope

The invention relates to the technical field of side slope anchoring equipment, in particular to an anchoring device for a rock-soil side slope. According to the specific technical scheme, the anchoring device for the rock-soil slope comprises an anchoring pile with the hollow interior and one end provided with a conical head, a plurality of water seepage holes communicated with the interior of the anchoring pile are formed in the side wall of the anchoring pile, a plurality of through holes communicated with the interior of the anchoring pile are vertically formed in the side wall of the anchoring pile, and a plurality of rows of through holes are formed in the side wall of the anchoring pile; a fixing assembly penetrating out of the through hole is detachably arranged in the anchoring pile, a connecting column is connected to an opening in the top of the anchoring pile in a threaded mode, and a water outlet hole is formed in the side wall, close to the connecting position, of the anchoring pile. The invention solves the problem of landslide or rock tumbling possibly caused by vertically driving an anchoring device into a slope in the prior art.
Owner:CHONGQING THREE GORGES UNIV

Method for jointly treating open pit through waste rocks and dry tailings

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.
Owner:WANBAO MINING

Pillar foundation structure of overhead line system and construction method thereof

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.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP

Pile hole water abrasive drill construction method for karst area

The invention discloses a pile hole water abrasive drill construction method for a karst area, and relates to the field of railway or highway construction of complex terrains. The construction method comprises an early-stage construction procedure, a water abrasive drill construction procedure and a protection construction method under special conditions. The early-stage construction procedure comprises the steps of construction preparation, surveying and paying-off, construction platform excavation, pile position locking notch construction and reservoir arrangement. The water abrasive drill construction procedure comprises the steps of water abrasive drill drilling, surrounding rock drilling, middle rock drilling, electric hand drill punching, steel wedge inserting, steel wedge beating and rock splitting, manual slag loading, pile hole correction and construction and formed hole inspection and acceptance of the next cycle. The protection construction method under the special conditions comprises three conditions of rock wall cracking, rock wall collapse and soil cave or karst cave appearing in pile holes. The construction cost is low, and the pile hole retaining wall construction cost can be saved; the process is simple, easy to learn and master, convenient to popularize and high in pore-forming precision; and the problems of cracking, collapse and the like of pile hole wall rock mass are effectively reduced.
Owner:CHINA RAILWAY SIXTH GRP CO LTD +1

Foundation pit trestle slope and construction method thereof

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.
Owner:THE FIRST CONSTR CO LTD OF CHINA CONSTR FIRST GRP +1

Slag mountain vegetations and planting method thereof

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.
Owner:山西苗褓褓环保技术有限公司

Full-automatic control system of heading machine

The invention relates to the technical field of heading machines, in particular to a full-automatic control system of a heading machine, which can realize automatic deviation correction in the excavating direction, does not influence the conveying of soil, can also enable a device to continuously move while heading, and replaces a traditional operation mode of excavating for a certain distance to move once, so that the working efficiency of the device is improved. The full-automatic control system comprises a main body pipe, a connecting disc, multiple sets of first motors, a first gear, a rotating ring, a conical cutter head, two sets of lantern rings, a first ring gear, a fixing plate, a first frustum cylinder, multiple sets of baffles, a conveying pipe, multiple sets of pipe supporting frames, multiple sets of screw pipes, multiple sets of first bevel gears, screw rods, fixing discs, second motors, second gears, walking spiral pipes, second ring gears, a sleeve, second bevel gears, third gears, four gears and third motors, wherein the connecting disc is connected with the main body pipe through a steering discharging assembly, and the multiple sets of first motors are evenly distributed and mounted on the right end face of the connecting disc.
Owner:山东凤志管道设备有限公司

Protection method for landslide

The invention discloses a protection method for landslide. The protection method comprises the following steps that a, site flattening is conducted, an engineering machine is utilized for flattening a construction site, the inner and outer side height difference in the strip-shaped width direction is smaller than or equal to 5.0 cm, knickpoints and surging slopes in the length direction are eliminated, and surface flattening and gradient smoothness are achieved; and b, surveying and setting out are conducted, a total station is used for conducting surveying and setting out on a mini pile axis point (feature point) according to the pile position planar graph and coordinates provided by a design drawing, a wood pile is nailed at the axis point (feature point) and fixed through cement mortar, the axis point (feature point) serves as a pile positioning and checking reference point, surveying and setting out are conducted on a middle pile through a sighting rod and a steel ruler, a steel bar with the diameter phi being 20 is used for punching, filling of lime is conducted, and full pouring of a mark is conducted. The protection method has the beneficial effects that the mini pile and oblique column cooperative integrated construction manner is adopted, a mini pile system and inter-pile rock soil serve as an integrated structure, the soil layer connecting strength is increased, and the landslide phenomenon is reduced; and construction is simple, the speed is high, cost is low, and rapid treatment of the mountainous area landslide project is facilitated.
Owner:中交一公局第五工程有限公司

Slope pressing belt greening method

The invention provides a slope pressing belt greening method. The slope pressing belt greening method comprises steps: dividing into parallel belts, slotting, filling pore permeable water, preparing nutrient soil, greening a pressing belt, and backfilling soil. The slope pressing belt greening method relieves collapse and water and soil loss caused by soil mass self-gravity, reduces greening treatment task difficulty, improves greening soil loosening degree, and increases effectively greening area.
Owner:BAOJI FORESTRY SCI INST

Ecological anchor rod, slope protection system and construction method

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.
Owner:SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST

Drilling Tools and Rotary Drilling Rigs

The invention discloses a drilling tool and a rotary drilling machine. The above-mentioned drilling tool includes: an inner drilling tool, and an outer drilling tool sleeved on the periphery of the inner drilling tool; the bottom of the inner drilling tool is provided with an inner drill bit, and the bottom of the outer drilling tool is provided with an outer drill bit; The top of the inner drilling tool is provided with a first torsion transmission mechanism for connecting with the drill rod; the inner drilling tool and the outer drilling tool are connected through a second torsion transmission mechanism. On the one hand, the outer drilling tool of the above-mentioned drilling tool plays the role of protecting the wall; on the other hand, it can cut the soil layer or stone at the bottom of the outer drilling tool, so as to ensure that the outer drilling tool can always follow up during the drilling process of hard ground The internal drilling tools are buried, thereby reducing the probability of accidents such as landslides, and can also improve production efficiency.
Owner:BEIJING SANY HEAVY MASCH CO LTD

Mold bag concrete slope protection structure for slope protection project

InactiveCN109736266APlay a role in slope stabilizationPrevent landslidesCoastlines protectionEngineeringBuilding construction
The invention discloses a mold bag concrete slope protection structure for a slope protection project. The structure comprises a mold bag slope fixing mechanism, and a reinforcing layer; a slope surface of a slope body is a stepped slope surface; the structure comprises two slope surfaces and a transition slope surface for connecting the two slope surfaces; a mold bag slope fixing mechanism is arranged on the top surface of the reinforcing layer on the slope surface; a permeable layer is arranged in a reinforcing frame; an anchor hole is formed in the shell of the reinforcing frame; the mold bag slope fixing mechanism is formed by splicing a plurality of slope fixing modules; each slope fixing module comprises a rectangular box, mold bag concrete, a rectangular frame and a connecting plate; the slope fixing modules located in the same row and column are fixed through a tensioning mechanism; the tensioning mechanism comprises a pull rod, a connecting piece and an anchor rod; a limitingplate is arranged at the bottom end of the pull rod; the anchor rod is vertically arranged on the top of the transition slope surface or the slope body, and the other end of the connecting piece is connected with the anchor rod. The slope protection structure is convenient to install, low in construction cost and good in slope protection effect, and mold bag concrete is not prone to sliding downwards.
Owner:金华市恒通工程检测有限公司

Construction method for ultra-deep foundation pit non-drainage earth excavation

The invention discloses a construction method for ultra-deep foundation pit non-drainage earth excavation, and relates to the technical field of foundation pit construction. The construction method comprises the following steps that S1, enclosure construction is carried out, specifically, enclosure construction is carried out on the peripheral side of a to-be-excavated foundation pit; S2, shallowlayer excavation is carried out, specifically, excavation is carried out on shallow soil of the foundation pit; S3, slurry pouring is carried out, specifically, slurry is poured into the excavated foundation pit; and S4, deep layer excavation is carried out, specifically, underwater excavation operation is carried out on the deep soil of the foundation pit by means of equipment. The construction method has the advantages that the occurrence of dangerous cases such as sudden gushing of confined water is reduced, the influence degree of precipitation measures on the surrounding environment of the foundation pit is reduced, and the waste of groundwater resources is reduced.
Owner:SHANGHAI MECHANIZED CONSTR GRP

Mine ecological remediation system and application method thereof

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.
Owner:DONGGUAN CITY XIN YUAN NON WOVEN

Landform treatment method based on waste stone mine

The invention relates to a landform treatment method based on a waste stone mine. The landform treatment method comprises the steps that a slope surface is cleaned, specifically, garbage, gravel and loose rock on the slope body are cleaned; slope cutting is conducted, specifically, the slope body is processed into a plurality of gentle slope faces and a plurality of flat faces, and the slope body is made to be step-shaped; soil fixation is conducted, specifically, a retaining wall is arranged at the lower end of each gentle slope surface; mesh fixation is conducted, specifically, a plurality of galvanized wire meshes are laid on the slope body, and the adjacent galvanized wire meshes are fixed in a lap joint mode; borrowed soil is sprayed, specifically, borrowed soil is sprayed to the slope body, wherein the thickness of the borrowed soil is not less than 20cm; and green plants are planted, specifically, the green plants such as trees and grass seeds are planted on the slope body. The slope body is cut into at least ten gentle slope surfaces, then the retaining wall is arranged at the lower end of each gentle slope surface, on one hand, after the number of the gentle slope surfaces is increased, the vertical height of the gentle slope surfaces is reduced, the stability of the gentle slope surfaces is improved, on the other hand, the gentle slope surfaces are blocked by the retaining walls, and the gentle slope surfaces are not prone to sliding off. The method has the effects of improving the stability of the mine slope body and reducing disasters.
Owner:湖南省城乡建设勘测院有限公司
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