1295results about "Dams" patented technology

The utility model discloses a template embedded type dam face permanent heat preservation protection module. Comprising a heat preservation core layer, a facing anti-seepage protection layer is arranged on the side, close to a concrete pouring formwork, of the heat preservation core layer, an internal pressure-bearing protection layer is arranged on the side, close to dam surface layer crack limiting steel bars, of the heat preservation core layer, and a thermal broken bridge supporting keel is arranged in the heat preservation core layer; an anchoring device is arranged in the area between the internal pressure-bearing protection layer and the dam surface layer crack limiting steel bars. The modular prefabrication and construction method is adopted, the prefabrication and installation method of a single module is simple and efficient, details such as anchoring protection measures are fully considered, the engineering construction operability is high, convenience and high efficiency are achieved, and the construction time of the heat preservation layer is greatly saved.

A leaching and desalinating system for sandy soil in estuarine land reclaimed by sand blowing before planting greenery is provided. The leaching and desalinating system comprises a water pump and pipe assembly, a freshwater storage tank and a main diverting and draining channel. The water pump and pipe assembly lifts freshwater from a river to the freshwater storage tank through a water delivery pipe, multiple infiltration parts in which greenery is planted are provided on the waterside slope, the infiltration parts are connected to each other via multiple drainage infiltration channels. The present disclosure can quickly desalinate the sandy soil in land reclaimed by sand blowing at a low cost, improve the physicochemical properties of the soil, and provide a basic guarantee for the subsequent greenery planting on the sandy soil in land reclaimed by sand blowing.

The invention discloses a dam leakage detection method and system based on an unmanned aerial vehicle and deep learning. The method comprises the following steps: acquiring dam surface image data through the unmanned aerial vehicle carrying image acquisition equipment; preprocessing the obtained dam surface image data; performing feature extraction and fusion on the preprocessed image data based on a deep learning model to obtain a multi-modal coupling feature image related to the leakage area; performing target detection on the multi-modal coupling feature image to identify a leakage area; and carrying out spatial positioning on the identified leakage area to determine a positioning coordinate of the leakage area. Dam leakage is detected by combining the unmanned aerial vehicle technology and the deep learning algorithm, the automation and intelligence level of detection is improved, manual intervention and errors are reduced, and the detection precision and efficiency are improved.

The invention discloses a grouting reinforcement anti-seepage method for a dam body of a coal mine underground reservoir, which comprises the following steps of: constructing a grouting hole at an artificial dam body position of a dam body to be treated, and performing segmented grouting on the grouting hole; the grouting materials are spread to the interiors of the artificial dam bodies, the interiors of the coal pillar dam bodies, the connecting positions between the artificial dam bodies and the coal pillar dam bodies, the connecting positions between the artificial dam bodies and the top plate rock stratum and the connecting positions between the artificial dam bodies and the bottom plate rock stratum; therefore, micropore cracks in the to-be-treated dam body and the connecting positions between the to-be-treated dam body and the top plate rock stratum and between the to-be-treated dam body and the bottom plate rock stratum can be effectively blocked, the leakproofness and the anti-seepage performance of the coal mine underground reservoir dam body are remarkably improved, and effective anti-seepage reinforcement of the coal mine underground reservoir dam body is achieved.

The bank protection cofferdam structure comprises a first pile row and a second pile row which are arranged in parallel, the first pile row and the second pile row are driven in soil, the upper end of the first pile row and the upper end of the second pile row are connected through an opposite-pulling mechanism, a first bamboo raft sheet layer and an anti-seepage geomembrane are arranged on the inner side of the first pile row, and a second bamboo raft sheet layer and an anti-seepage geomembrane are arranged on the inner side of the second pile row. A second bamboo raft piece layer and geotechnical cloth are arranged on the inner side of the second pile row, backfill soil is arranged between the first pile row and the second pile row, and bagged soil is evenly laid on the top of the backfill soil. The anti-seepage performance and the stability of the revetment cofferdam structure can be improved.

The present invention discloses a foldable water conservancy and flood prevention device, which relates to the technical field of water conservancy and flood prevention facilities, and comprises a base placed horizontally on the ground, one side of the base being foldably hinged with a water baffle, a telescopic rod for adjusting the folding angle being connected between the base and the water baffle, and an anti-seepage cloth for blocking ground leakage is provided at the bottom of the base. The foldable water conservancy and flood prevention device uses a pressing mechanism to cause a pressing frame to lead out of the base and tilt and deflect toward a step surface, so that the unfolded abutting frame drives a cross bar to press against the anti-seepage cloth laid on the step surface, so that the anti-seepage cloth can abut against the inner right angle of the step, and at the same time, the teeth on the lower surface of the pressing frame abut against the outer right angle of the step surface, so that the anti-seepage cloth can be stably and flatly laid on the step surface, and at the same time, the hollow water blocking plate and the filter plate can cooperate to block and protect the water baffle and the anti-seepage cloth, ensuring that the water conservancy and flood prevention device has a safe anti-seepage effect when in use.

The invention discloses a multifunctional water retaining device for water conservancy construction, and relates to the technical field of water conservancy projects, the multifunctional water retaining device comprises a base and a first water retaining plate fixed at the top end of the base, a plurality of ground nails are arranged at the bottom end of the base, a self-adjusting assembly and a buffering assembly are arranged in the first water retaining plate, and the buffering assembly is located below the self-adjusting assembly; the self-adjusting assembly comprises an open groove formed in the first water baffle, and a second water baffle is installed in the open groove in a sliding mode. The situation that the height of a traditional water baffle is fixed and cannot be automatically adjusted according to the change of the water level, so that when the water level is higher than the water baffle, the water overflows from the top of the water baffle, and equipment and materials are damaged can be avoided, meanwhile, manual intervention can be reduced, the psychological pressure of constructors can be relieved, the working intensity is reduced, and in an emergency, the construction efficiency is improved. And workers can timely evacuate or take corresponding protection measures, so that the safety can be effectively improved.

The invention discloses a method for near-natural rapid restoration of a degraded wetland by using micro-landform assembly, and belongs to the technical field of wetland ecological engineering. The invention aims to solve the restrictive problems of poor habitat heterogeneity of the degraded wetland and low sustainability of the restored wetland. The method comprises the following steps: 1, restoring wetland site selection and habitat quality evaluation; 2, optimizing the shape of the substrate of the restored wetland and constructing a sheetflood water network; 3, collecting a hill pier body and assembling the hill pier body with a micro-landform; 4, sectional hydrological regulation and dynamic management; and 5, evaluation and mediation management and control of the recovery effect. The method is clear in principle and high in operability, habitat heterogeneity can be enhanced through micro-landform matching so as to promote plant diversity improvement, the design thought conforms to the close-to-nature recovery concept, and any project implementation hidden danger and secondary ecological risk do not exist. The method disclosed by the invention is applied to the near-natural restoration of the degraded wetland. The method is used for near-natural restoration of the degraded wetland with lack of habitat heterogeneity.

The utility model relates to the technical field of water conservancy projects, and discloses a water retaining device based on water conservancy project construction, which comprises a water retaining plate body, the rear side surface of the water retaining plate body is provided with a storage groove, the inside of the storage groove is rotatably connected with a driving rod, and the left side surface of the water retaining plate body is fixedly connected with a motor. An output shaft of the motor rotationally penetrates into the water fender body and is fixedly connected with the driving rod, a connecting assembly is fixedly connected to the surface of the driving rod, two vertical grooves are formed in the inner wall of the storage groove, sliding blocks are slidably connected to the interiors of the vertical grooves, and two first fixing plates are fixedly connected to the surfaces of the sliding blocks; the whole device can be stored by starting the motor, so that the occupied area of the device is greatly reduced, the device is more convenient to stack and transfer when not in use, the convenience and flexibility of the device are greatly improved, meanwhile, the storage mode is simpler and faster, and the practicability is higher.

The invention discloses an assembly type mortise and tenon joint retention wall and a construction method. The retention wall comprises a foundation base, a vertical water baffle and a dust removal and dirt removal unit. The foundation base is formed by pouring reinforced concrete on the installation site, and a second mortise is formed in the foundation base. A plurality of groups of vertical water baffles are arranged according to water retaining requirements, second tenons matched with the second mortises are arranged at the bottoms of plate bodies of the vertical water baffles, and first mortises and first tenons matched with the first mortises are arranged on the two sides of the plate bodies correspondingly; the foundation base is connected with the vertical water baffles in a two-section mortise and tenon mode, and the water baffles are connected in a mortise and tenon and wedge nail tenon combination mode. The dust removal and decontamination unit comprises a water passing hole, a three-stage reservoir, a dust removal spraying pipe and a dredging spraying pipe; sewage is filtered through the water passing holes, then enters the third-stage water storage pool and is sprayed out from the dust removal spraying pipe and the desilting spraying pipe according to needs, and the dust falling function and the desilting function are achieved respectively. According to the retention wall, the stability of the overall structure is greatly improved, and water resources can be recycled.

The utility model relates to the technical field of steel sheet pile cofferdams, in particular to a detachable cofferdam module for flood control engineering, which comprises a steel sheet pile structure, connecting buckle structures are fixed on two opposite side surfaces of the steel sheet pile structure, each connecting buckle structure comprises a first inserting buckle and a second inserting buckle, and a hollow area is arranged in a steel sheet pile. And a plurality of triangular support frame structures are fixed in the hollow area. The steel sheet pile solves the problems that two adjacent steel sheet piles in the prior art cannot be installed at a right angle or a smaller angle during installation, the structure is simple, and the steel sheet piles are easy to bend.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention discloses water retaining equipment for water conservancy project flood prevention, and relates to the related technical field of the water retaining equipment for flood prevention, the water retaining equipment for water conservancy project flood prevention comprises a supporting mechanism arranged on a water retaining plate, the supporting mechanism is arranged, and the supporting mechanism comprises a fixing plate fixedly arranged on the water retaining plate; a first stress film is further fixedly arranged on the fixing plate, a first oil liquid space is further formed between the first stress film and the water baffle, a layer of oil storage plate is additionally arranged on the flood prevention baffle, a soft film is arranged on the oil storage plate, the soft film is impacted to deform through the impact force of water flow, and therefore the flood prevention baffle is driven by oil liquid, and the flood prevention baffle is driven by the oil liquid. Supporting force is provided for the rear side of the water baffle, the supporting plate on the rear side can exert force for supporting every time when water flow impacts, and therefore the water baffle is stressed more evenly, the whole water baffle is more stable and firmer, and the flood prevention and water retaining effect of the water baffle is greatly improved.

The invention relates to the field of water conservancy projects, in particular to a modular quickly-assembled assembly type flood control sub-embankment for emergency flood control, which comprises a triangular hinge frame, an assembly cross beam is arranged in the triangular hinge frame, and the triangular hinge frame is used for supporting flood control plates and can be folded and stored to reduce the transportation volume; splicing suites are fixedly arranged at the two ends of the assembling beams, and the assembling beams are in rapid butt joint with the assembling beams of other flood control sub-embankments through the splicing suites, so that modular splicing of the multiple sub-embankments is achieved. The water retaining daughter board is fixedly installed on the outer side of the assembly cross beam, the height of the water retaining daughter board is matched with the height of the triangular hinge frame, and the water retaining daughter board is used for blocking flood; and the folding and unfolding mechanism is arranged in the center of the bottom of the triangular hinge frame, according to the modular quickly-assembled assembly type flood control sub-embankment for emergency flood control, through the storage state, all components can be stored in order, and the damage risk in the transportation and storage process is reduced.

The invention relates to the field of water conservancy construction waterproofing, and discloses a water conservancy project construction water stopping device which comprises a water stopping base frame. A water floating water stopping mechanism; the water floating water stopping mechanism is arranged on the front side of the water stopping base frame, and the water floating water stopping mechanism is used for automatically stopping water after the water level rises; the linkage water level prompting mechanism is triggered while the water stopping mechanism acts, the floating ball drives the water level prompting rod to move upwards along with rising of the water level, when the water level is high, the water level prompting rod moves upwards to the upper side of the water level prompting plate, and water conservancy constructors observe the position relation between the water level prompting rod and the water level prompting plate, so that the water level prompting rod can prompt the water level. The current water level condition can be visually known in real time, corresponding measures such as drainage strengthening and construction scheme adjusting can be conveniently taken in time, construction safety is ensured, the linkage prompting mechanism organically combines the water stopping action and water level monitoring, the timeliness and accuracy of water level monitoring are improved, and the water level monitoring efficiency is improved. And a more reliable guarantee is provided for safe construction of a water conservancy project.

The utility model belongs to the technical field of flood control devices, and particularly relates to a flood control device convenient and fast to fill, which comprises a flood control device body, the flood control device body comprises a flood control blocking box, a filling groove is reserved at the top of the flood control blocking box, and a handle is fixedly connected to the inner wall of the filling groove. The top of the flood prevention blocking box is provided with a splicing hole, the bottom of the flood prevention blocking box is in threaded connection with an insertion rod, the surface of the flood prevention blocking box is fixedly connected with a sealing mechanism, the sealing mechanism comprises a bottom sealing gasket, and the surface of the bottom sealing gasket is fixedly connected with the bottom of the flood prevention blocking box; according to the anti-flood wall, a user can conveniently and rapidly fill the interiors of the filling grooves through the arranged anti-flood blocking boxes, the anti-flood blocking boxes can be rapidly spliced into the anti-flood wall body through the splicing holes, the inserting rods, the clamping grooves and the clamping blocks, meanwhile, splicing seams are sealed through the bottom sealing gaskets and the side face sealing gaskets, and therefore the anti-flood wall body is formed. And the use convenience of the flood control device is improved.

The invention discloses a deep foundation pit supporting system in a complex environment and a construction method, and belongs to the technical field of deep foundation pit construction. The construction method comprises the following steps that technical preparation is conducted, and slope protection is conducted; according to the method, the foundation is effectively divided into different areas, the problems that an existing foundation pit supporting system is low in construction efficiency, insufficient in safety, waste in resources and the like are effectively solved, the slope protection process is set in the method, a safety fence is arranged at the slope top, water outside the pit is prevented from entering, and the safety of the foundation pit supporting system is improved. According to the method, materials stacked beside a pit and vehicle overload rolling can be effectively prevented, constructors are protected against falling, the overall safety of follow-up construction is improved, meanwhile, in the waist beam construction process of the anchoring force transmission device, the axis of the anchor rod can be perpendicular to the pressed face, the structural strength of the anchor rod can be greatly improved, and the construction efficiency is improved. Therefore, firmness and stability of the foundation pit can be effectively guaranteed, and the construction effect of the whole method is improved.

The utility model discloses a flood control and emergency rescue device with an anti-impact capability, belongs to the technical field of flood control and emergency rescue equipment, and aims to solve the technical problems that in the prior art, a traditional disposal mode and equipment consumes a long time and consumes a large amount of manpower and material resources for disposal of dike dangerous cases. The water retaining device comprises a water retaining supporting surface and a plurality of fixing units, the water retaining supporting face comprises a plurality of supporting frameworks and water retaining cloth arranged on the supporting frameworks in a sleeving mode. One end of each supporting framework is provided with a fixing end, and the other end of each supporting framework is connected with the corresponding fixing unit. The adjacent fixing units are connected through connecting pieces. The flood prevention and emergency rescue device with the anti-impact capacity is simple in structure, rapid in arrangement and capable of rapidly, conveniently and relatively safely achieving the risk disposal purpose.

The invention discloses a cofferdam staging construction method which comprises the following steps: on the basis of the overall design of a cofferdam, adding a first-stage cofferdam design, and transversely dividing a river channel into a main river channel and a non-main river channel according to hydrological survey information; the first-stage cofferdam comprises an upstream cofferdam, a downstream cofferdam and a first-stage cofferdam overflowing riprap protector from a bank slope on one side of a non-main riverway to a main riverway joint part; the second-stage cofferdam is combined from a bank slope on one side of the main river channel to the first-stage cofferdam to form an integral Meanwhile, a first-stage cofferdam flood season flood season scheme is designed; according to the method, cofferdam filling construction is involved in advance before river closure, and cofferdam implementation is completed in two dry periods; construction of the cofferdam anti-seepage wall is involved in advance, the construction period of the cofferdam anti-seepage wall is prolonged, and equipment needed for construction of the cofferdam anti-seepage wall is greatly reduced; the cofferdam is filled by stages, so that the use efficiency of earthwork equipment is improved; the cofferdam is constructed by stages, so that the construction time of the cofferdam is prolonged, and the construction period of the cofferdam is better guaranteed; and through effective protection measures, the first-stage cofferdam flood safety is guaranteed.

The invention provides an auxiliary structure for beach and shallow sea ecological restoration and a restoration system construction method, and belongs to the technical field of water conservancy projects for beach and shallow sea ecological restoration. The auxiliary structure comprises a combined type permeable submerged dike structure, a natural wave dissipation combined pile body and an oyster cultivation net-shaped structure. The combined type permeable submerged dike structure comprises hexagonal hollow prisms and isosceles trapezoid hollow prisms, the two prisms are of a staggered and stacked structure, and a natural shelter is provided for small marine organisms. The natural wave dissipation combined pile bodies penetrate through the combined type permeable submerged dike structure through the upper holes and the lower holes of the prisms, and the combined type permeable submerged dike structure is effectively supported and fixed. The oyster cultivation net-shaped structure is fixed to the natural wave dissipation combined pile body, and the design of the net-shaped structure meets the filter feeding environment of oyster cultivation. The repairing system is correspondingly designed based on an auxiliary structure and a field environment. The structure is simple, raw materials are easy to obtain, the protection engineering and the oyster reef body are organically combined, ecological environmental protection is achieved, and follow-up manual treatment is not needed.

The utility model relates to the technical field of hydraulic engineering, in particular to multipurpose hydraulic engineering emergency rescue equipment. Comprising supporting columns, the two supporting columns are symmetrically arranged, a plurality of arc-shaped clamping jaws are evenly arranged on the supporting columns, the supporting columns are sleeved with the arc-shaped clamping jaws through positioning sleeves, a pre-tightening plate is arranged at the top ends of the supporting columns, and a rapid locking mechanism is arranged on the outer wall of the pre-tightening plate. A linkage rod is jointly connected between the arc-shaped clamping jaws on the same side, and the quick locking mechanism drives the arc-shaped clamping jaws to move synchronously through the linkage rod to clamp a component. The multipurpose hydraulic engineering emergency rescue equipment achieves the rapid, efficient and flexible multipurpose functions, is particularly suitable for reinforcing key structures such as damaged piers and dam supporting columns under the emergency situation, and remarkably improves the efficiency and safety of emergency rescue work.

The trailer type flood prevention and drainage device comprises a carrier, a water pumping opening is formed in the side wall of the carrier, a water pump is fixedly connected to the upper end of the carrier, a water inlet of the water pump is communicated with the water pumping opening through a water pumping pipe, and a drainage opening of the water pump is fixedly connected with a drainage pipe. The inner wall of the water pumping opening is fixedly connected with a filter screen; and the cleaning mechanism comprises a first sliding groove formed in the inner wall of the water pumping opening, and the inner wall of the first sliding groove is slidably connected with a scraping plate. In the water pumping and flood drainage process, the scraping plate reciprocates in the water pumping opening, impurities and garbage adhering to the filter screen can be scraped away, and therefore the situation that more and more garbage and impurities adhere to the filter screen, the filter screen is seriously blocked, the water pumping and flood drainage efficiency is greatly reduced, damage caused by overload of a water pump is avoided, and the service life of the water pump is prolonged. And the filter screen can be continuously cleaned in the flood drainage process, manual cleaning is not needed, and more convenience is achieved.

The invention provides a debris flow geological disaster prevention and control device, system and method. The debris flow geological disaster prevention and control device comprises a base, a connecting base and a supporting beam, a fixed interception dam and an interception dam located on one side of the fixed interception dam are connected through the supporting beam, and the end face, away from a hydraulic cylinder, of a movable interception dam is fixedly installed on the end face of the fixed interception dam; the movable interception dam is made of a flexible material, and a double-layer prevention and treatment net is fixedly mounted on the movable interception dam; the inlet end of the overflow assembly is located between the movable interception dam and the prevention and control net. The outlet end of the overflow assembly penetrates through the fixed intercepting dam, and a spray head of the overflow assembly extends out of the fixed intercepting dam. The debris flow solid weight is obtained, the specific numerical value of the debris flow solid weight is obtained, the debris flow property is judged according to the debris flow solid weight content, then the prevention and treatment device is designed according to the debris flow property, and the overall protection and interception capacity of the prevention and treatment device is improved.

The invention relates to the field of water conservancy projects, and provides a flexible ecological dam and a construction method thereof. The ecological dam comprises a dam body, film bag piles are constructed in the dam body, and geogrids are installed outside the film bag piles. The vegetation layer is laid on the upstream face and / or the downstream face; the water and soil protection blanket is laid on the vegetation layer so that the vegetation layer can be attached to the upstream face and / or the downstream face; and the protection foot is formed on the upstream face and closely attached to the embankment. According to the ecological dam, the dam and the foundation stratum can be integrated, the integrity and stability of the dam body structure are improved, and the anti-sliding performance of the dam is enhanced; the root system of the vegetation layer can be attached to the dam and locked tightly, the integrity of the dam is enhanced, and the safety of the dam is further enhanced. The protection feet are arranged on the upstream face, damage to the bottom embankment caused by rapid sand erosion can be resisted, and meanwhile the situation that a dam foundation is damaged due to water flow erosion or human factors on a riverbed and a seabed, and consequently the overall safety of the dam is affected is prevented.

The invention provides an ecological slope protection structure and a construction method thereof, and relates to the field of slope engineering, the ecological slope protection structure comprises a geocell arranged in a shallow soil body of a slope surface, and plants are planted in the geocell; the precast concrete beam is arranged on the upper surface of the geocell and is arranged along the inclination direction of the slope slope surface; the cast-in-place concrete beams are arranged on the slope top, the slope middle and the slope toe respectively, the cast-in-place concrete beam located on the slope top is connected with the top of the prefabricated concrete beam, the cast-in-place concrete beam located on the slope toe is connected with the bottom of the prefabricated concrete beam, and the cast-in-place concrete beam located on the slope middle presses the prefabricated concrete beam on the slope face of the slope. The method has the effect of improving the overall stability of the slope.

The invention is applicable to the technical field of hydraulic engineering and water supply and drainage, and provides a water intake pumping station with a large variable-amplitude water level, which comprises a pump room and a reinforced concrete guide rail arranged on a dam, and moving wheels used for being matched with the reinforced concrete guide rail are arranged on the side surface, close to the dam, of the pump room. The dam is further provided with a lifting assembly used for adjusting the working height of the pump room. The water taking assembly comprises a plurality of pump room water pumps, a telescopic pipe and a water taking opening, the pump room water pumps are arranged in the pump room, the output ends of the pump room water pumps are connected to the same gathering pipe, the gathering pipe is further connected with a main outlet pipe, the input ends of the pump room water pumps are connected with the water taking opening through the telescopic pipe, and a rotary filter screen is arranged at the bottom of the water taking opening; the automatic water suction device can automatically adapt to the variable amplitude of the water level of 20 m or above, the water pump is located at the optimal water suction depth all the time, and the risk of'air suction 'or submerging is avoided.

The utility model relates to the technical field of dam termite prevention and control in water conservancy and hydropower engineering, in particular to a termite prevention and control dam structure which comprises a dam and a multifunctional termite prevention and control device. The multifunctional termite control device system is arranged in a dam with termite damage and comprises an osmotic pressure monitoring pipe, a termite trapping and killing device, a grouting device, an osmotic pressure monitoring device and a cover plate. The construction period and the operation period of the dam are both convenient; on the premise that dam osmotic pressure monitoring is not affected, a cover plate is arranged at the top of the termite prevention and control device, and replacement and long-term use of trapping and killing bags, bait guiding wood and an intelligent monitoring device which are embedded inside are facilitated; in the aspect of grouting control, long-term repeated grouting control can be realized without independent punching; the termites can be trapped, killed and monitored by burying trapping and killing bags, bait guiding wood and an intelligent monitoring device, and meanwhile, grouting measures can be implemented on the premise of low cost when necessary; construction is easy and convenient, the cost is low, and comprehensive control and thorough treatment of the termites are achieved.

The invention discloses an earth and rockfill dam heightening anti-seepage structure, and relates to the field of hydraulic structure construction. A heightened reinforced concrete guide wall is arranged on the top of the original earth-rock dam, a sand cushion layer and a waterproof layer are arranged between the original earth-rock dam and the heightened reinforced concrete guide wall, and the water seepage phenomenon at the connecting position of the heightened reinforced concrete guide wall and the top of the original earth-rock dam is prevented. The limiting structure is arranged at the top of the original diaphragm wall, the heightened reinforced concrete guide walls are poured between the two heightened reinforced concrete guide walls, so that a structure embedded with the limiting structure is formed at the bottom of the heightened diaphragm wall, and the waterproof performance of the connecting position of the heightened diaphragm wall and the original diaphragm wall is improved; the invention further discloses a construction method of the heightened anti-seepage structure of the earth and rockfill dam, and in the pouring process, the stability of the heightened anti-seepage wall structure is improved by controlling the concrete pouring rate, the vibrating rate and the anchor bar prestress.

The invention discloses a barrier dam leakage detection patrol and rescue method. The method comprises the following steps: S1, structure sensing; the method comprises the following steps: S101: by using an accumulation body surface particle unmanned aerial vehicle intelligent identification technology, carrying out photogrammetry and analysis on dam material source information and an accumulation rule by utilizing a high-definition image obtained by photographing by an unmanned aerial vehicle close to the surface of an object, and identifying surface materials of an accumulation body; s102, detecting the structure of a barrier body by using barrier dam material structure rapid sensing equipment, and detecting and identifying deep substances of an accumulation body; and S2, emergency drainage: according to analysis of a detection result of a barrier dam material structure, adopting barrier dam body excavation, flood discharge tunnel excavation, pumping or positive siphon drainage measures for emergency rescue of the barrier lake by adopting barrier lake siphon drainage equipment. According to the invention, full-chain technology integration application of "barrier dam structure detection-emergency discharge" is adopted, a barrier dam leakage rapid emergency rescue technical system is constructed, and systematization of the barrier dam leakage emergency rescue technical system is realized.

The invention belongs to the technical field of river ecological protection, and relates to an efficient multifunctional river ecological filter dam and an operation method thereof. Comprising a filter dam body, and a rough filter layer, a middle filter layer, a fine filter layer and a base layer are sequentially arranged in the filter dam body in the water flow direction; the backwashing system comprises a water collecting main pipe, a water distributing pipe, a backwashing pipe, a backwashing branch pipe and a pulse type spray head; the water collecting main pipes extend into the filter dam body from the bank side and are arranged at intervals in the length direction of the filter dam, and the water distributing pipes are evenly distributed in the width direction of the filter dam and communicate with the water collecting main pipes in a one-to-one correspondence mode; each water distribution pipe is connected with a backwashing pipe which is parallel to the fine filtering layer and is provided with a gap, the backwashing pipe is uniformly connected with a plurality of rows of backwashing branch pipes which are upwards inclined along the water flow direction, the lower ends of the backwashing branch pipes are communicated with the backwashing pipe, and the upper ends of the backwashing branch pipes are connected with pulse type spray heads. According to the invention, the problems of easy blockage, low backwashing efficiency and the like of the ecological filter dam of the river channel are solved, and efficient purification and long-acting stable operation of the water body of the river channel are realized.