2134 results about "Retaining wall" patented technology

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 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 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 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 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 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 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 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.

The utility model discloses a dam back seepage monitoring drainage structure capable of being quickly constructed, which relates to the field of hydropower and hydraulic engineering, and comprises a channel, a dam, a dam drainage body and a pressure slope body, and further comprises a concrete connector, an impermeable layer, a measuring weir retaining wall and a permeable drainage channel, the lower portion of the permeable drainage channel penetrates into the relative impervious layer, the impervious layer is laid from the top of the dam drainage body slope to the downstream along the channel, the downstream is embedded into the measuring weir retaining wall, the two sides are embedded into the concrete connecting body, the permeable drainage channel is arranged below the impervious layer and arranged along the bottom of the channel, the upstream of the permeable drainage channel is connected with the dam drainage body, and the downstream of the permeable drainage channel reaches the front of the measuring weir retaining wall. The pressure slope body is filled above the impermeable layer and is filled along the channel, the upstream of the pressure slope body leans on the back of the dam, and the downstream slope toe reaches the front of the retaining wall of the measuring weir. A relatively closed anti-seepage structure is defined by combining the anti-seepage layer, the concrete connecting body and the relatively impervious layer, dam seepage and pressure slope seepage are separated, and the seepage flow of the dam can be accurately monitored; the measuring weir retaining wall structure can respectively monitor seepage of the pressure slope body and seepage of the dam, and the stability of the pressure slope body and the stability of the dam can be respectively evaluated.

The invention relates to a deep excavation expansive soil side slope deformation failure mechanism simulation device and method, the device comprises a model box body, a side slope model, a dry-wet cycle simulation mechanism and a detection mechanism, one opposite surface of the top of the model box body is open, and a permeable module is arranged in the model box body; the slope model comprises a slope soil body arranged on the permeable module and a retaining wall provided with a first permeable area, the slope soil body is provided with a slope surface, and the retaining wall is arranged at the lowest point of the slope surface; the dry-wet cycle simulation mechanism comprises a reservoir, a support, a light source and a rainfall nozzle, the reservoir is provided with a second permeable area communicated with the permeable module, and the support is provided with the light source communicated with the reservoir and the rainfall nozzle; the detection mechanism comprises a sensor and a camera, and the sensor and the camera are used for collecting deformation data of the slope soil body. According to the method, the influence of atmospheric dry-wet circulation and underground water level change on the slope soil body is considered at the same time, and the deformation and failure mechanism of the deep excavation expansive soil slope in the whole process from excavation to operation is revealed more truly.

The invention relates to an active unloading sheet pile revetment reinforcement design method and structure, and belongs to the technical field of revetment reinforcement. Channel parameters and soil mechanical characteristics are measured, design reinforcement piles with the same height as original pile foundations are arranged on the back edge of a revetment, and a pile spacing calculation formula is established based on the soil arching effect; the load sharing ratio of the reinforcing pile is controlled and designed by adjusting the pile diameter; the reinforcing structure designed through the method comprises prestressed sheet piles, a bearing platform, designed reinforcing piles, a gravity type retaining wall, a slope protection surface layer, a concrete coping, an original mud surface line and a designed mud surface line, the pile diameter and the pile distance of the designed reinforcing piles are dynamically adjusted according to the dredging depth, and the thicker a dredging soil layer is, the larger the soil pressure is, the larger the pile diameter is, and the denser the distance is. An original revetment upper structure does not need to be dismantled, the construction period is greatly shortened, and resource waste is reduced; the front line of the revetment does not move forwards, and use of an existing navigable water area is not affected; the construction mode is flexible, land dry land or water construction can be selected according to surrounding conditions, the construction period is short, the speed is high, and the construction cost is low.

The invention discloses a combined structure of an assembled ditch and a retaining wall and a construction method thereof, and belongs to the technical field of agriculture and forestry land reclamation. The structure comprises a ditch and a retaining wall, the ditch is formed by interlocking and clamping a bottom plate and a wall plate through a broken-line-shaped groove and a tenon, and the outer side of the ditch is wrapped with hydraulic cloth and a hydraulic film in a layered mode to enhance the impermeability; the retaining wall adopts the right triangle buttress and the hollow reinforced concrete baffle, is fixed through the plug pin and is connected with the ditch through the inhaul cable in the threading pipe, so that the anti-overturning and anti-sliding stability is improved. The construction method comprises the steps of prefabricating the components, laying impermeable materials in a layered mode, conducting modular assembling, conducting backfilling and greening and the like. Through structure optimization and standardized prefabrication, the problems that a traditional cast-in-place structure is long in construction period, high in manufacturing cost and the like are solved, and the advantages of being rapid in assembly, multiple in seepage prevention, capable of saving cost and environmentally friendly are achieved. Compared with a cast-in-place scheme, the comprehensive manufacturing cost is reduced, the construction efficiency is remarkably improved, and the water and soil loss prevention and control effect is better.

The invention discloses a soft soil foundation embankment heightening and widening structure and a construction method, and belongs to the field of water conservancy projects. In order to solve the problems of uneven settlement, landslide instability and overlarge occupied area easily occurring when the soft soil foundation embankment is heightened and widened, the structure comprises precast concrete piles (top beams and ripraps are arranged on the tops of the piles) densely arranged at the slope toe outside the embankment, an inner side cantilever retaining wall (with drainage holes and a gravel inverted filter), geogrids laid in backfill soil in a layered mode, and CFG piles arranged on the lower portion in a plum blossom shape. The guardrail base and the flower bed are integrally poured with the retaining wall. The construction method comprises the steps of slide-resistant pile construction, earthwork excavation, CFG pile construction, retaining wall pouring, embankment body backfilling and embankment top road construction. Bidirectional control over settlement and horizontal displacement is achieved through cooperation of multiple structures, variable-stiffness leveling can be achieved by adjusting parameters of the CFG piles, and the variable-stiffness leveling structure has the advantages of skid resistance, stability, landscape optimization and land occupation saving and is suitable for soft soil foundation embankment upgrading and reinforcing projects.

The utility model discloses a novel ecological river channel slope protection structure which comprises a reinforced concrete cushion layer, an original soil tamping layer is fixedly laid on the right side of the top of the reinforced concrete cushion layer, and a river bank masonry layer is fixedly laid on the left side of the top of the reinforced concrete cushion layer. Reinforced concrete constructional columns are fixedly connected to the left side of the top of the reinforced concrete cushion layer in an inserted mode, the space between the left reinforced concrete constructional column and the right reinforced concrete constructional column is filled with a first gravel constructional layer and a machine-made sand constructional layer, and a concrete bottom plate is fixedly connected to the tops of the river bank masonry layer and the reinforced concrete constructional columns. The top of the concrete bottom plate is fixedly connected with concrete retaining walls, and the space between the left concrete retaining wall and the right concrete retaining wall is filled with a second gravel structural layer and a vegetation growth filling layer. According to the novel ecological river channel slope protection structure, the protection function of the slope protection can be met, the ecological value of the river channel slope protection can be met, water circulation is promoted, and the river bank is greened.

The invention relates to a self-repairing flow state solidified soil reinforced retaining wall for slope toe reinforcement and a construction method, and the retaining wall comprises a wall body which is formed by self-repairing flow state solidified soil in a cast-in-place mode and is provided with extension sections on the two sides, and drainage holes are formed in the extension sections; the foundation is arranged on the foundation and used for supporting the wall body; the reinforcement system is composed of multiple layers of geogrids and embedded in the wall body in a layered mode, one end of each layer of geogrid is anchored in the wall body, and the other end of each layer of geogrid extends backwards and is anchored in the backfill area; when the retaining wall has micro-cracks due to uneven settlement of a soft foundation, the high-alkali environment at the cracks can immediately trigger the alkali-sensitive self-repairing microcapsules to be broken, the released repairing material can generate gel in situ to seal the cracks, the mechanism converts traditional passive damage into active repairing, crack development is effectively restrained, an erosion channel is blocked, and the service life of the retaining wall is prolonged. Therefore, the long-term durability of the retaining wall is obviously improved.

The invention discloses a treatment method for preventing traceability erosion of a ditch head, and relates to the technical field of ecological treatment. Earth excavation is carried out, layer-by-layer slope cutting and order building treatment is carried out on the ditch slope from near to far away from the ditch head according to the preset gradient, and multiple stages of side slopes and multiple platforms are formed; earthwork backfilling is carried out, soil obtained after layer-by-layer slope cutting and step building treatment is stacked at the bottom of the ditch head, the soil stacked at the bottom of the ditch head is rolled to form a ditch channel, and the inclination angle between the ditch channel and the bottom of the ditch head ranges from 10 degrees to 15 degrees; soil covering and greening are conducted, soil covering is conducted on the channels, the multiple stages of side slopes and the multiple platforms through surface soil, multiple spruces are planted on the channels and the multiple platforms correspondingly, and high wheatgrass and ryegrass are sown on the slope surfaces of the multiple stages of side slopes in a mixed mode correspondingly; building a water retaining wall; and concealed pipes are arranged. In cooperation with water and soil conservation plant planting, the ditch bottom scour prevention and slope greening engineering is added, and a ditch head treatment mode integrating the landscape improvement function and the water and soil conservation function is formed.

The invention relates to the technical field of side slope building, in particular to a side slope anchor rod retaining wall structure optimization analysis method, which comprises the following steps: a geological data acquisition step: acquiring geological data of a preset reinforcing area of a side slope according to a multi-source data acquisition strategy, and synchronously acquiring deformation monitoring data of each section of the side slope; a structural model construction step: constructing a three-dimensional coupling model of the side slope and the anchor rod retaining wall according to the geological data; a stability evaluation step of performing analysis according to the three-dimensional coupling model and the deformation monitoring data to determine an anti-sliding stability coefficient, an anti-overturning stability coefficient and a key risk area of each section of the slope, and constructing a three-dimensional safety evaluation space; and an optimization scheme generation step: generating an anchor rod retaining wall optimization parameter combination according to the key risk area and the three-dimensional safety assessment space, and screening out an optimal optimization scheme. The method has the advantages that the design optimization efficiency of the anchor rod retaining wall structure can be improved, and the overall slope retaining wall design construction period is shortened.

The invention relates to the technical field of geotechnical engineering, in particular to a slip crack surface calculation method for a limited-width soil body in an active non-limit state. Comprising the following steps: step 1, determining a gradual exertion rule of a limited soil body internal friction angle and cohesion between the rigid gravity type retaining wall and an existing bedrock, a wall-soil external friction angle and wall-soil interface cohesion developing along with the displacement of the retaining wall, and establishing mathematical characterization of limited soil body non-limit state strength parameters developing along with the displacement of the retaining wall; step 2, establishing a relationship among the horizontal stress, the interlayer shear stress and the average vertical stress; step 3, establishing a balance equation of the rectangular area and the triangular area in the horizontal and vertical directions; 4, solving the slip crack surface inclination angle meeting the plastic upper limit theorem by adopting a numerical method; and 5, calculating the resultant force of the horizontal active soil pressure and the upsetting moment of the horizontal active soil pressure on the wall heel. The method provides a theoretical calculation basis for the design of the soil retaining structure under the working condition of the limited-width soil body.

Disclosed herein is a plantable retaining wall block configurable in at least three different retaining wall configurations, including a plantable wall, a retaining wall and a free-standing wall.

The invention belongs to the technical field of retaining wall drainage holes, particularly relates to a retaining wall drainage hole structure and a construction method thereof, and provides the following scheme aiming at the problems that in the prior art, in the long-term drainage process, a drainage hole is prone to being blocked, and the drainage efficiency is remarkably reduced. The retaining wall comprises a retaining wall body and a plurality of drain hole bodies arranged in the retaining wall body. The water-permeable filler is arranged on one side of the retaining wall main body; the filling soil is arranged outside the water-permeable filler; the multiple inverted filter layers are arranged in the water-permeable filler and connected with the multiple drainage hole bodies correspondingly, a drainage ditch is formed in one side of the retaining wall body, a drainage ditch is formed in one side of the retaining wall body, and filter screens are arranged in the multiple drainage hole bodies correspondingly. The problem of blockage caused by long-term drainage of the drainage holes can be solved, and the drainage efficiency is improved.

The invention provides an ecological reinforcing structure of a river channel grouted rubble retaining wall revetment, the ecological reinforcing structure takes double-row pile foundations and a planting platform as a core design concept, the first pile foundation is located at the foot of an existing grouted rubble retaining wall, the top of the pile foundation is provided with a reinforced concrete guide beam, and the second pile foundation is located at the foot of the existing grouted rubble retaining wall; the newly-built guide beam is connected with an existing grouted rubble retaining wall base into a whole through embedded steel bars, the integrity and the anti-sliding capacity of the retaining wall are remarkably enhanced, and base emptying and wall body deformation are effectively restrained. The second pile foundation structure is a planting pile and backfill soil behind the planting pile to construct an aquatic plant planting platform, geotechnical cloth is laid between the planting pile and the backfill soil, soil particle loss can be prevented, water is allowed to freely permeate, and normal exchange between water and soil is maintained. The stability of an existing retaining wall is guaranteed, an aquatic plant planting platform is constructed, the whole reinforcing system is hidden under the normal water level, the natural form of a river channel is maintained, and deep integration of ecology and safety is achieved.

The invention provides a retaining wall drainage system and a construction method, and belongs to the technical field of building construction. The lower water interception system comprises a concrete cushion layer for providing stable support, and a high-quality clay layer and a rigid waterproof layer are laid on the concrete cushion layer; the middle drainage system comprises an inverted filter arranged on the back face of the retaining wall body, the inverted filter adopts welded reinforcement cages as an outer frame, the reinforcement cages are connected through spiral bars, sand and pebbles are filled in the reinforcement cages, the inverted filter is fixedly connected with the back face of the retaining wall body through embedded bars, and a set of evenly-distributed drainage holes penetrating through the wall body are formed in the inverted filter. A drainage ditch is arranged at the front bottom of the retaining wall body; the upper water retaining system comprises a concrete coping and a water stop ridge which are arranged at the top of the retaining wall body; the functions of intercepting water, rapidly draining water and intercepting ground water flow can be achieved, the filtering effect is improved, the construction difficulty is reduced, the stability is enhanced, and rapid drainage is achieved.

The utility model discloses an anchor rod protection and retaining wall combined mountain structure in the field of civil engineering, which comprises a retaining wall, the front side of the retaining wall is fixedly connected with a fixing plate through threads, the front side of the fixing plate is fixedly connected with a shell, and an adjusting mechanism is arranged in the shell; an anchor rod is connected to the interior of the shell through the adjusting mechanism, the anchor rod penetrates through the rear side of the retaining wall, an anti-retreating mechanism is arranged at the rear end of the anchor rod, the anchor rod protects a mountain structure combined with the retaining wall, by means of the arrangement of the fixing plate, the shell and the adjusting mechanism, a rotating disc is rotated, a threaded rod is driven to rotate, a sliding block is made to move, and therefore the retaining wall is protected; the first connecting rod is driven to deflect, so that the rotating plate deflects, the angle of the rotating plate is changed, matching with the inclination angle of the anchoring rod is facilitated, the base plate is attached to the rotating plate, the anchoring rod is prevented from loosening, the anchoring rod is stably installed, and the anchoring stability of the retaining wall is improved.

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

The utility model discloses a template for retaining wall graded broken stone inverted filter construction, which comprises a template body and a rib plate arranged on one side of the end face of the template body, and the rib plate is provided with a reference part with the width consistent with the thickness of an inverted filter to be constructed. The thickness consistency of the inverted filter layer can be guaranteed, the construction quality is guaranteed, the construction difficulty is reduced, the construction efficiency is improved, resource waste is reduced, and the construction cost is controlled.