3178 results about "Retaining wall" patented technology

The present invention provides a construction method suitable for vegetation restoration of a bare rock slope, characterized by comprising the following steps: S1, preparation of a treatment area: before actual construction, preparing an area to be treated using a combination of mechanical and manual means; S2: providing a plant vine climbing net; S3: anchor rod construction: implementing on a rock slope surface with an inclination greater than 75°, wherein the slope surface should be drilled from top to bottom, the depth of the drilling is determined according to properties of the rock, a self-spinning resin anchor rod is fixed in a drilled hole on the slope surface with cement slurry, leaving a small part for hanging a galvanized gabion multidimensional mesh cage; S4: building a plant growth chamber, a gabion retaining wall and a construction system apparatus; S5: filling a matrix; S6: vegetation arrangement: selected dominant plant species must be drought-tolerant, barren-tolerant and fast-growing, and have strong sprouting ability and coverage capacity. The present invention integrates slope protection, intelligent water collection, water storage and drip irrigation apparatuses, matrix improvement, and vegetation arrangement, thereby ensuring the effectiveness of the restoration.

The invention provides a power grid water and soil conservation method and system based on three-dimensional simulation, and relates to the technical field of power grid water and soil, and the method comprises the steps: building a power grid project three-dimensional scene model based on terrain, soil, vegetation and hydro meteorological data, and simulating water and soil loss risk distribution. Then, a water and soil conservation facility layout scheme including intercepting and draining ditches, a grit chamber, a vegetation recovery zone, a retaining wall and the like is established; a multi-objective optimization algorithm is adopted, the minimum construction cost and the optimal water and soil conservation effect are taken as objectives, the position, specification and number of facilities are optimized, and a plurality of candidate schemes are obtained. And finally, simulating water and soil loss processes under different rainfall working conditions based on computational fluid mechanics, selecting a scheme with the highest comprehensive score as a final optimization scheme in combination with a fuzzy comprehensive evaluation method, and outputting a three-dimensional construction layout diagram and a technical parameter list. The water and soil loss risk in power grid engineering construction and operation can be effectively reduced, the engineering cost is saved, and the water and soil conservation effect is improved.

The invention discloses a vertical retaining structure displacement automatic monitoring device and a monitoring method thereof, and relates to the technical field of displacement automatic monitoring, and the device comprises a data acquisition unit which is used for configuring monitoring nodes, obtaining sensor data monitored at the top of a retaining wall, and preprocessing the sensor data to obtain effective inclination angle data; the displacement conversion unit is used for recognizing and optimizing the attitude angle by using a dynamic Kalman filtering algorithm, and calculating a displacement value of the vertical soil retaining structure by combining the vertical distance from the bottom to the top of the soil retaining wall; the monitoring and early warning unit is used for uploading the displacement value of the vertical retaining structure to a remote data platform, constructing a monitoring network, analyzing and predicting the deformation trend of the retaining wall and triggering early warning according to an analysis result; and the battery management unit is used for providing battery state monitoring and management. The displacement of the top of the retaining wall can be accurately sensed and monitored through the inclination angle data, and comprehensive and accurate monitoring is ensured by adopting an attitude solver and a dynamic Kalman filtering algorithm.

The invention provides a reinforced soil retaining wall risk early warning method and system based on multi-source heterogeneous monitoring data, and belongs to the technical field of building risk early warning, the method comprises the following steps: inputting first data into a prediction model to obtain second data, the first data being historical monitoring data of a reinforced soil retaining wall to be detected, and the second data being historical monitoring data of the reinforced soil retaining wall to be detected; the second data is monitoring data of the reinforced soil retaining wall to be measured at the target moment; determining a construction data type based on the weather information of the target moment, and constructing data in the second data based on the construction data type to obtain construction data; and inputting the construction data, the second data and the weather information at the target moment into a risk early warning model to obtain a risk early warning result of the to-be-detected reinforced soil retaining wall at the target moment. According to the reinforced soil retaining wall risk early warning method and system based on the multi-source heterogeneous monitoring data, the accuracy and reliability of reinforced soil retaining wall risk early warning can be improved.

The utility model relates to an ecological seawall structure, which belongs to the technical field of bank protection engineering and comprises a seawall foundation, the seawall foundation comprises a slope top and a slope body, and a retaining wall structure is arranged at the joint of the slope top and the slope body. An arc-shaped wave dissipation ridge is arranged at the position, spaced by a certain distance from the retaining wall structure, of the top end of the slope body, a cushion layer is laid at the position, located between the arc-shaped wave dissipation ridge and the retaining wall structure, of the top end of the slope body, and the cushion layer comprises a dry stone cushion layer and a broken stone cushion layer which are sequentially arranged from top to bottom. A first block stone cushion layer is laid at the position, located on the side, away from the retaining wall structure, of the arc-shaped wave dissipation ridge, of the top end of the slope body, extends to the bottom of the slope body and further extends outwards to be connected with a second horizontal block stone cushion layer, and a first concrete retaining wall is arranged at the joint of the first block stone cushion layer and the second block stone cushion layer. The accropode is laid at the top end of the second block stone cushion layer and located on the outer side of the first concrete retaining wall. The safety of the seawall can be effectively guaranteed, and the stability of the seawall structure is guaranteed.

The invention provides a temperature control type anti-frost-heaving retaining wall structure and a design method thereof, and belongs to the technical field of infrastructure retaining engineering in cold regions, the temperature control type anti-frost-heaving retaining wall structure comprises a retaining wall body, a ground temperature energy conversion system and an intelligent control system, and the ground temperature energy conversion system is connected with the retaining wall body; the ground temperature energy conversion system is used for absorbing ground temperature energy, converting a gas-state heating medium from a low-pressure state into a high-pressure state, adjusting the flow of a liquid-state heating medium, reducing the pressure of the heating medium and dissipating the ground temperature energy into the retaining wall body, and the intelligent control system is electrically connected with the ground temperature energy conversion system; the controller is used for monitoring the temperature of filling soil on one side of the retaining wall body and controlling the ground temperature energy conversion system to operate according to the filling soil temperature so as to control the retaining wall body temperature and filling soil heat. The technical problems that the retaining wall frost heaving disease control difficulty is large, and the frost damage prevention and control effect is poor are solved, and the technical effects that the retaining wall and the filling temperature can be controlled, frost heaving disease control is easy, and the frost damage prevention and control effect is good are achieved.

The invention relates to the technical field of data analysis, in particular to a non-limit active soil pressure numerical calculation method in a mode of rotating around a wall top, and derives a function relationship between soil body strength parameters and wall body displacement in the mode of rotating around the wall top. It is assumed that a soil body behind a wall forms an arc-shaped soil arch and a slip crack surface is a logarithmic spiral curved surface, the soil body behind the wall is horizontally layered according to a small step length, a numerical iteration format of the non-limit active soil pressure in a mode of rotating around the wall top is constructed, and a numerical calculation method of the non-limit active soil pressure in the mode is given. A numerical solution is compared with a model test result, and it is found that a calculation result of the solution basically conforms to the model test result. The method provides a more accurate solution to the non-limit active soil pressure when the rigid retaining wall rotates around the top, and has a practical guidance value for the design of the retaining wall.

The utility model discloses a split mounting type filling retaining wall which comprises a wall body, the wall body is fixedly installed in a roadway, the wall body is built by a plurality of gabion nets in a lap joint mode, barren rocks can be loaded in each gabion net, the gabion nets are fixed in position through wall surrounding steel bars along the rock wall of the roadway, and the gabion nets are arranged in the roadway. By means of the filling retaining wall, construction is simple, complex construction processes are not needed, the form of the filling retaining wall is flexibly adjusted, the capacity of the whole filling retaining wall for resisting a filling body is improved, the filling retaining wall is matched with the initial filling height, the goaf height and the like, and the filling retaining wall can be constructed according to the actual site requirements. And retaining walls with different bearing capacities are constructed, so that the overall strength of the filling body is ensured, and the wall body is prevented from collapsing.

The invention belongs to the technical field of excavation slope retaining, and particularly relates to a cutting retaining wall structure and a construction method. A cutting retaining wall structure comprises a retaining wall foundation, a retaining wall body poured on the top of the retaining wall foundation, and a first concrete layer, a second concrete layer and a third concrete layer which are sequentially poured on the back face of the retaining wall body; the drainage assembly comprises a plurality of first drainage pipes, a large-diameter second drainage pipe communicated with the water inlet ends of the first drainage pipes, and a steel wire mesh framework wrapping the periphery of the second drainage pipe. In order to solve the problems that a backfill layer of an existing cutting retaining wall is difficult to compact and unsmooth in drainage, the retaining assembly and the drainage assembly which consider the compaction degree of the backfill layer of the wall back, ensure smooth drainage of the wall back and quickly clean fine-grained soil accumulated at the bottom are provided, so that the compaction degree of the backfill layer at the wall heel of a retaining wall foundation is ensured; the defect that top shallow layer pores of the retaining wall backfill layer are prone to being blocked is overcome, and meanwhile the retaining wall backfill layer is kept smooth in overall drainage.

The invention discloses a road flood damage disaster rapid identification method and system based on remote sensing image analysis, and belongs to the technical field of remote sensing image analysis and disaster detection, and the method comprises the steps: extracting a change region of a pre-disaster and post-disaster remote sensing image through a multi-scale differential twin network change detection module; identifying five water destruction types, namely roadbed washout, pavement collapse, side slope collapse, retaining wall collapse and bridge and culvert damage, through the cascade attention water destruction semantic segmentation network; a multi-dimensional damage degree collaborative evaluation module is used for fusing form, spectrum and spatial characteristics to calculate a damage degree grade; according to the method and the system, rapid identification, accurate classification and comprehensive evaluation of highway flood damage disasters are realized, and technical support is provided for decision-making of after-disaster rescue and maintenance.

The invention provides a high and steep slope reinforcing system with a slope crest adjacent to a post-built municipal pipe gallery and a construction method of the high and steep slope reinforcing system. The reinforcing system comprises an original side slope lattice anchor supporting structure, a pipe gallery structure, a foam concrete backfill structure located on the side, close to the original side slope surface, of the pipe gallery structure, a row of newly-added anchor rods / cables constructed below the first row of original anchor rods / cables below the slope top, and a row of miniature steel pipe piles constructed below the outer side, close to the side slope surface, of the pipe gallery structure. A first row of anchor rods (cables) of an original removed side slope support are replaced by newly added anchor rods or anchor cables, and the whole steel pipe piles are located in the foam concrete to form a miniature pile retaining wall structure. The overall stability of the high and steep slope with the slope crest adjacent to the pipe gallery is greatly improved, and displacement of the slope crest adjacent to the pipe gallery is effectively controlled; the settlement of the slope crest adjacent to the pipe gallery is effectively controlled in a design and standard range; meanwhile, the foam concrete structure is used for filling the pipe ditch (groove), so that filling pressure can be reduced, and compactness and strength are guaranteed.

The utility model discloses a retaining wall for hydraulic engineering, and relates to the technical field of hydraulic engineering. The water conservancy project retaining wall comprises a bottom plate, a connecting block is fixedly mounted at the top of the bottom plate, a hollow baffle A is rotatably mounted on the outer wall of the connecting block, a hollow baffle B is slidably mounted on the inner side of the hollow baffle A, the top of the hollow baffle B extends to the outer side of the hollow baffle A, and a hollow sleeve is hinged to the top of the bottom plate. According to the water conservancy project retaining wall, through the lifting structure, the hollow baffle B can be driven to ascend and descend, the use height of the hollow baffle B can be adjusted, the top of the hollow baffle B is flush with the soil surface, in rainy days, rainwater can conveniently pass through the hollow baffle B, and water accumulation on the soil surface is avoided; and the using lengths of the hollow sleeve and the movable rod can be adjusted, so that the hollow baffle A and the hollow baffle B can be arranged at any angle, and the using requirements of users are met.

The utility model discloses a concrete faced rockfill dam foundation drainage structure, and relates to the technical field of drainage structures, the concrete faced rockfill dam foundation drainage structure comprises a concrete faced rockfill dam, a drainage hole is arranged in a foundation of the concrete faced rockfill dam, a reinforced gabion is arranged on the outer side of an inlet of the drainage hole, and a concrete retaining wall is arranged on the inner side of the inlet of the drainage hole. And a concrete toe board is arranged on the concrete faced rockfill dam. The foundation drainage structure is arranged in the dam foundation range of the concrete face rockfill dam with higher terrain at the downstream of the concrete toe board, seepage water of the dam is drained, and the possibility that reverse water pressure is generated at the bottom of a face plate, and safety is affected is avoided; the outlet of the drainage tunnel is located at the downstream of the dam and can be provided with a road or an inspection channel, and daily maintenance personnel can conveniently enter and exit; the drainage tunnel structure is large in drainage capacity, not prone to clogging and capable of effectively draining seepage water of the dam, and therefore reverse water pressure borne by the dam panel is reduced.

The invention belongs to the field of slope excavation construction, and relates to a hole slope excavation land acquisition red line control construction method. According to the technical principle, active protection is carried out by anchoring and hardening the slope surface, arranging a slope toe at an opening line and additionally arranging an anchor bar pile and a retaining wall, effective control over a land acquisition red line can be achieved, smooth proceeding of engineering construction is guaranteed, land disputes and ecological damage are avoided, and reasonable utilization of land resources is guaranteed; according to the technology, the active protection foundation of the retaining wall is fully utilized, the land acquisition red line is ensured, strict control over the land acquisition red line is beneficial for maintaining legal use of land resources, and illegal land occupation is avoided. Meanwhile, the method has important significance in protecting the surrounding ecological environment and reducing the influence on the life of surrounding residents, and is widely popularized and applied in slope excavation.

The utility model discloses a composite reinforced earth retaining wall suitable for a high-speed railway embankment, which comprises a foundation bed surface layer, a foundation bed bottom layer and an embankment body below the foundation bed bottom layer, two sides of the foundation bed bottom layer are filled with first soil bodies, and two sides of the embankment body below the foundation bed bottom layer are filled with second soil bodies. A filler wrapping body and a gravel wrapping body are arranged on the outer side of the first soil body and the outer side of the second soil body, a cast-in-place concrete face plate is arranged outside the gravel wrapping body, an integral face plate and a foundation bed bottom layer are arranged outside the cast-in-place concrete face plate, and geotechnical material tie bars are arranged in the portion, below the foundation bed bottom layer, of the embankment body. The geotechnical material tie bars comprise full-length geotechnical material tie bars and symmetrical geotechnical material tie bars. The full-length geotechnical material tie bars are arranged in the foundation bed bottom layer, and the symmetrical geotechnical material tie bars are arranged in the embankment body below the foundation bed bottom layer. The composite reinforced earth retaining wall has the advantages of being high in strength, large in rigidity, small in occupied area, convenient to construct, environmentally friendly and the like, post-construction settlement can be better controlled, and later operation and maintenance are facilitated.

The utility model discloses a dry building vegetation retaining wall which comprises undisturbed soil, a concrete foundation and a first concrete coping, the concrete foundation is arranged on the side, close to a riverway, of the undisturbed soil, the first concrete coping is arranged on the top layer of the undisturbed soil, and a riverway retaining wall is arranged above the concrete foundation. A broken stone hardcore is arranged on the slope face of the undisturbed soil, an ecological retaining wall is arranged above the broken stone hardcore, and an ecological protection slope is arranged in the ecological retaining wall. The concrete foundation is built beside the riverway, the riverway retaining wall is built on the concrete foundation so as to reduce direct contact between a riverway water source and undisturbed soil, meanwhile, the ecological retaining wall is laid on the riverway slope through the broken stone hardcore, and in the weather with a large amount of rainfall, the slope protection upper layer is protected by the ecological retaining wall. Silt and stones are prevented from being scoured, and the overall protection performance of the retaining wall is effectively improved.

The utility model provides a large-slope planting roof anti-skid structure which is characterized in that reinforced concrete retaining walls arranged in a quincunx shape are arranged outside a large-slope roof structural slab, and pebble drainage ditches and L-shaped steel plates are arranged on the upper sides of the reinforced concrete retaining walls. A heat preservation layer, a reinforced concrete face plate, a mortar leveling layer, a waterproof layer, a puncture-resistant waterproof layer, a mortar waterproof protection layer, a fine aggregate concrete waterproof protection layer, a drainage plate, an isolation layer and a planting soil layer are sequentially arranged on the outer side of a structural plate of the reinforced concrete retaining wall and the outer side of a structural plate of the large slope roof. A mortar leveling layer, a waterproof layer, a puncture-resistant waterproof layer, a mortar waterproof protection layer, a drainage plate, an isolation layer and a planting soil layer are sequentially arranged on the top of the reinforced concrete retaining wall. An anti-skid assembly is installed in the planting soil layer, the anti-skid assembly is provided with an anti-skid lattice assembly and a connecting component, and the anti-skid lattice assembly is provided with anti-skid lattices and tying belts; according to the anti-slip structure, the steel consumption is reduced, and the overall anti-slip capacity of the joint is improved.

The invention discloses a water gushing roadway curtain grouting construction method integrating a retention wall and grouting, which comprises the following steps: step 1, analyzing mine production layout and hydrogeological conditions according to known geological data of a coal mine goaf and a production area, and determining a water gushing roadway needing curtain grouting construction; secondly, a slurry blocking wall is built, the slurry blocking wall is arranged in the middle of the underground roadway or close to the intersection of the main roadway, and the relation between a lower coal roadway and a normal production roadway is cut off; thirdly, grouting filling is conducted on the roadway space through underground grouting filling and ground branch hole exposed coal roadway grouting filling, and grout filling is conducted on the roadway space; 4, construction branch holes are drilled along a top plate and a bottom plate of the roadway, high-pressure grouting is conducted to reinforce the top plate and the bottom plate, and a surrounding rock loose circle and top plate and bottom plate cracks are filled; the curtain grouting construction scheme integrating the retention wall and grouting is adopted, the waterproof and waterproof effect is improved, and the stability of the roadway is also enhanced.

The invention relates to the technical field of basement exterior wall construction, and discloses a basement exterior wall construction method in an ultra-narrow foundation trench environment, which comprises the following steps: constructing a single-side formwork support on the top of a raft plate on the inner side of an exterior wall, transversely fixing a plurality of length-adjustable force transmission supports on the outer side of the single-side formwork support, supporting a pretreatment retaining wall template at the front ends of the force transmission supports, and then pouring a pretreatment retaining wall; a first waterproof coiled material is constructed on the inner side of the pretreated retaining wall in a point bonding mode, and then a reaction bonding type macromolecule wet-laying waterproof coiled material is constructed on the inner side of the first waterproof coiled material; binding an outer wall steel reinforcement framework, assembling an outer wall template and fixing the outer wall template on the single-side formwork support, and then pouring outer wall concrete; under the ultra-narrow foundation trench condition, low construction cost, high construction speed and good construction quality and waterproof effect are achieved, a reference basis is provided for solving similar problems in construction, and green construction is achieved.

The invention discloses a gallery type flood discharge supersaturated gas quick release device which comprises concrete triangular cones (4), a central energy dissipation area is defined by a concrete retaining wall (1) with water passing holes (3), the concrete triangular cones (4) are distributed in the central energy dissipation area, and gaps are filled with pentagonal energy dissipation bodies (2); a gallery area is arranged on one side of the concrete retaining wall (1), gallery water distribution holes (7) are formed in the concrete retaining wall (1) at the junction of the two areas, the gallery area is divided into a plurality of water channels, and concave-convex concrete partition plates (5) are installed on the wall surfaces of the two sides of each water channel in a staggered mode. Harm of flood discharge energy release is relieved through the rough surface concrete triangular prism and the pentagonal prism energy dissipation body, meanwhile, a gallery type water distribution structure is formed through concrete partition plates and gallery division, the supersaturated gas medium contact surface is increased through the rough surface concrete partition plates which are arranged in a concave-convex mode, and therefore the flood discharge effect is improved. The supersaturated gas in the water body forms a gas nucleus on the rough surface body and gathers into small bubbles, the small bubbles continuously gather to form large bubbles, and then the large bubbles float upwards to the water surface to escape under the action of buoyancy, so that the precipitation and release process of the supersaturated gas in the water body is accelerated, and the harm of the supersaturated gas to an aquatic ecosystem is avoided or slowed down.

The utility model discloses an urban channel embankment retaining wall structure which comprises an embankment, a water retaining system and a drainage system. The dike comprises a gravity type retaining wall and a concrete bottom plate, the gravity type retaining wall is of a right trapezoid section, the upstream side is vertical, the top of the concrete bottom plate is a horizontal plane and bears the gravity type retaining wall, the upstream side is thickened, and the dike is arranged on the two sides of the channel; the water retaining system comprises at least two groups of breast boards which can be moved into or out of the channel to connect and disconnect water flow, and an enclosure space formed by the two groups of breast boards and the dike is used as a construction area; the drainage system comprises a drainage main pipe and a drainage branch pipe, the drainage main pipe is arranged along the backwater side slope toe of the gravity type retaining wall in a full-length mode and located at the top of the concrete bottom plate, and the drainage branch pipe is located at the top of the concrete bottom plate and communicated with the channel at one end and connected into the drainage main pipe at the other end. The front portion of each drainage branch pipe is provided with a gate groove and a gate capable of sliding up and down along the gate groove, the drainage system is opened and closed by opening and closing the gates, and the drainage branch pipes are arranged on the outer sides of the at least two breast boards to serve as water inlet ends and water outlet ends respectively. According to the utility model, through gate lifting, breast board assembly and drainage of the drainage main pipe / branch pipe, the construction diversion of the dredging and overhauling channel section can be realized.

The invention discloses an outlet design method for improving vertical shaft outflow and a water inlet and outlet structure based on the outlet design method, and belongs to the technical field of hydraulic engineering. The water inlet and outlet structure comprises a water flow channel, the water flow channel is provided with a vertical section, a water inlet and outlet is formed in the upper end of the vertical section, and flow dividing components are evenly distributed around the water inlet and outlet; the device is characterized in that the upper portion of the flow dividing component is arranged on the periphery above the water inlet and outlet to form a cylindrical retaining wall of a stopping structure, and the upper edge of the cylindrical retaining wall is higher than the dead water level of a reservoir area of the pumped storage power station. According to the vertical shaft type water inlet and outlet structure, the water flow uniformity, flow distribution and trash rack flow velocity distribution are remarkably improved by introducing the buffer water body and optimizing the design, the reverse flow velocity problem is thoroughly eliminated, the operation safety of a power station is improved, the service life of equipment is prolonged, and economic benefits are increased.

The invention relates to the field of soft soil area retaining wall design, and discloses a soft soil area roadbed slope self-anchored light soil retaining wall which comprises a first foundation, a second foundation is placed on the first foundation, and a road surface is laid on the second foundation; the two retaining wall bodies are symmetrically arranged and are piled on the two sides of the first foundation and the two sides of the second foundation; the concentration plate is arranged on the retaining wall main body, and one end of the concentration plate extends into the foundation I and the foundation II; the multiple grids are arranged, the corresponding grids are connected with one another, and the grids are arranged in the second foundation and the retaining wall body. Additional reinforcement treatment on the foundation is reduced, meanwhile, through the combined action of various mechanisms, a good meshing effect can be formed, displacement of soil particles is controlled, and the overall strength and stability of the roadbed and retaining wall structure are improved; the mutual traction effect of the roadbed and the retaining wall is increased, and the anti-overturning and anti-sliding capacity of the retaining wall is improved.

The invention discloses a sublevel rock drilling stage ore removal subsequent filling mining method, which relates to the technical field of mining and comprises the steps of mining preparation, rock drilling and blasting, ore removal and filling. Mining preparation is conducted, specifically, the ore body is divided into a plurality of stopes at intervals in the trend of the ore body, a plurality of segmented drilling roadways extending in the trend of the ore body are formed in the stopes at intervals up and down, and transportation roadways communicating with the segmented drilling roadways are formed outside the stopes; rock drilling and blasting are conducted, specifically, rock drilling and blasting are conducted on the ores above the segmented rock drilling roadways in sequence in the extending direction of the segmented rock drilling roadways, and the ores above the shallow segmented rock drilling roadways are mined firstly, so that the ores below the corresponding segmented rock drilling roadways can support rock drilling and blasting equipment during rock drilling; ore removal: the exploded ore is transported to the ground through a haulage roadway; and filling is conducted, specifically, a retaining wall is arranged in the haulage roadway, and filling operation is conducted on the mined space. The mining efficiency can be effectively improved, and the productivity is improved.

The invention relates to the technical field of hydraulic engineering, in particular to a construction method of a water-saving ship lock, comprising the following steps: S1, excavating a foundation pit at the position of the water-saving ship lock, and building a cofferdam at the upstream of the foundation pit to form a dry construction area in the foundation pit; s2, the bottom face of the foundation pit is excavated to form a lock chamber, mountain bodies on the two sides of the foundation pit are excavated, and excavated sections are leveled to form mountain body side slopes; s3, gate walls are poured on the two sides of the gate chamber, a side slope lining is formed on the mountain side slope in a pouring mode, a bottom face lining is formed on the bottom face of the foundation pit between the mountain side slope and the adjacent gate walls in a pouring mode, and a water retaining dam and a retaining wall are poured on the upstream and the downstream of the gate walls correspondingly; and the lock wall, the side slope lining, the water retaining dam and the retaining wall form side walls of the water-saving pool. According to the water-saving pool and the lock chamber, the original space between canyon mountains is utilized as much as possible, the ship lock construction range can be formed only through slight excavation, the construction amount and the construction cost are reduced, the construction period is shortened, and the construction efficiency is improved.

The invention relates to a method for forming a retaining wall in the ground from a soil mortar, which is produced in the ground by mixing soil material and a cement slurry. Vertically oriented support beams, which incorporate reinforcing steel, are set into the soil mortar in the ground before hardening. After hardening, soil material is removed along an upper section of the retaining wall, at least on one side, while a lower section of the retaining wall remains surrounded by soil on both sides. According to the invention, a thin-walled concrete shell element is attached to at least one support beam, extending along an upper section of the support beam. The support beam is set into the soil mortar such that the upper section of the support beam, together with the concrete shell element, extends along the upper section of the retaining wall.

The invention relates to a slope landscape covering soil sliding prevention protection structure and a construction method thereof.The protection structure comprises a drainage layer arranged at the bottom of a covering soil layer, the drainage layer is provided with staggered water collecting grooves, and the water collecting grooves are collected into a vertical shaft; the vertical shaft is filled with permeable materials which are arranged in a layered manner and have different particle sizes and is connected to the drainage pipe through a waterproof joint. A reinforcing layer composed of reinforced concrete is laid on the surface of the slope, and through holes are formed in reinforcing units, so that water permeation and plant root growth are facilitated. The anchor rods penetrate into the overburden layer and are firmly combined with the reinforcing layer. An anchoring retaining wall is arranged on the side face of the slope, and drainage holes are formed in the wall face to reduce lateral pressure. A deformation sensor and a humidity sensor are installed in the overburden layer to monitor the slope state in real time. The construction method covers the whole process from preliminary slope leveling treatment to vegetation planting, the stability and safety of the slope are improved, restoration and beautification of the ecological environment are promoted, and the method is suitable for various types of slope projects.

The invention provides a three-dimensional rainwater collection and storage system and method for recharging underground water, and belongs to the technical field of rainwater recharging. The system comprises a roof collection and storage subsystem and a rainwater purification subsystem which are connected. The roof collection and storage subsystem comprises a parapet wall, a rainwater hopper, a rainwater falling main pipe and two retaining walls, and a water storage space is formed between the retaining walls; an emptying pipe and an emptying valve are arranged on the retaining wall; the bottom end of the rain falling main pipe is connected with a flow guide pipe and a rain falling branch pipe; the rainwater cleaning assembly comprises a water collecting hopper ditch which is arranged above the retaining wall and has a flow discarding function; a landing frame and a rain collecting plate are further arranged above the roof floor slab; the rainwater collecting plate forms an upper-layer rainwater collecting space, the water storage space forms a lower-layer rainwater collecting space, and the rainwater collecting plate and the water storage space are combined to form a three-dimensional roof space. According to the system, roof rainwater source cleaning and roof rainwater regulation and storage are organically combined, and the purposes of roof rainwater peak shifting discharge, storage and utilization and underground water supplement and conservation can be better achieved.

The invention belongs to the technical field of geotechnical engineering, and particularly relates to an improvement method for improving the strength of red clay by using bagasse biochar. The preparation method comprises the following steps: performing heat treatment on bagasse in an oxygen-limited environment to prepare bagasse biochar; adjusting the water content of the red clay to 13-18%, then adding the bagasse biochar, and uniformly mixing to obtain the improved red clay. The geotechnical engineering material prepared from the improved red clay is used in geotechnical engineering construction processes of red clay roadbeds, retaining walls and the like. The bagasse biochar is added into the red clay, so that the strength of the red clay can be remarkably improved, the construction requirements are met, and the red clay is good in chemical stability, good in improvement durability and easy for mechanical construction.

The utility model relates to a structure for changing an existing railway bridge into a rigid roadbed. The structure comprises a pile foundation, a bearing platform, a bearing platform top retaining wall and a filling steel plate. The pile foundation and the bearing platform are located below an existing bridge girder, the existing bridge girder is separated from an original support after being lifted, and a filling steel plate is inserted between the bottom of the existing bridge girder and the bearing platform. The bearing platform top retaining walls are located on the two transverse sides of the existing bridge girder and located on the top of the bearing platform, and early-strength micro-expansion concrete is poured on the upper portion of the bearing platform, the inner sides of the bearing platform top retaining walls and the lower portion of the existing bridge girder. According to the utility model, two structures of a bridge and a roadbed are reasonably integrated, the structure is novel, the stress is reasonable, the improved structure has better overall performance, the stress and deformation requirements of the turnout structure can be better met, the purpose of inserting the turnout into the existing railway bridge transition area can be completed under the condition of not interrupting the railway operation, and the construction efficiency is improved. The influence of the existing railway wiring reconstruction project on traffic operation is greatly reduced, and the construction period is shortened.