1769results about "Coastlines protection" patented technology

The invention relates to the technical field of river bank protection, in particular to a river bank slope protection for cofferdam construction and a construction method thereof. S2, construction of a near-water area structure; s3, construction of a far water area structure; s4, ecological enhancement; triple optimization of river bank protection is achieved through dynamic water level monitoring and modular design, a double-layer reinforced concrete and elastic sealant structure is adopted in a near-water area, the compressive strength is improved by 20%, the crack width is smaller than or equal to 0.2 mm, and material waste is reduced by 15% in cooperation with dynamic width adjustment (+ / -2 m); the mold bag concrete slope protection is combined with an atomization spraying system, the anti-scouring capacity reaches 5 m / (m.s), the vegetation coverage rate is larger than or equal to 80% within 3 months, and the water and soil loss rate is reduced by 70%; the modular honeycomb structure inflation assembly efficiency is improved by 40%, the transportation cost is reduced by 50%, the distributed sensors achieve structure displacement / pressure three-level early warning, the operation and maintenance cost is reduced by 70%, the overall service life is prolonged by more than 5 years, and an ecological-engineering collaborative protection system is formed.

The invention provides a method for repairing and maintaining an ecological bank protection structure of a water conservancy project. Comprising the following steps: S1, screening and domesticating functional microorganisms; S2, constructing a vegetation and microorganism synergistic remediation unit; S3, precisely arranging the synergistic remediation unit on site; S4, dynamically monitoring and coordinately regulating and controlling: screening and domesticating the functional microorganisms, constructing the synergistic remediation unit, precisely arranging the synergistic remediation unit on site, and dynamically monitoring and regulating and controlling. A microorganism-vegetation-carrier synergistic effect mechanism is formed, so that the technical problems of structural stability and ecological function separation in traditional revetment restoration are solved; the method has the advantages that the synergistic interaction of structure stability and ecological restoration is realized, the self-repairing capability of a microorganism-vegetation symbiotic system is improved, a multi-dimensional dynamic monitoring regulation and control mechanism is established, and the manual maintenance cost is reduced.

The embodiment of the invention provides a full-life-cycle slope protection net system which comprises an active protection net system (1), the active protection net system (1) comprises a plurality of fiber grating sensors (14), and the fiber grating sensors (14) are arranged on a first net body (11). The strain information acquisition module is used for acquiring strain information of a first anchor rod (13) and / or strain information of an anchor buckle according to deformation of the first net body (11) and converting the strain information into a first electric signal or a first optical signal; the fiber grating sensor (14) is electrically connected to an edge computing node near the active protective net system (1); and the edge computing node is electrically connected to the cloud platform through the wireless sensor (3). The local stress and deformation information of the protective net can be accurately obtained in real time, and accurate data support is provided for subsequent early warning and regulation.

The invention discloses a permeable hinged type ecological slope protection structure for sheltering benthonic animals in a canal. The permeable hinged type ecological slope protection structure is formed by distributing a plurality of slope protection blocks on a bank slope in an array mode. The slope protection block body is of an integrated structure and comprises an upper halfpace section and a lower rectangular enclosure frame section. An inner cavity of the slope protection block body is formed by a space enclosed by the lower rectangular enclosure frame section and a halfpace-shaped cavity in the upper halfpace section; lateral channels communicating with the inner cavity are formed in the left side and the right side of the slope protection block body, and the lateral channels on the two sides directly face each other. Through holes communicated with the inner cavity are formed in the top surface, the front side surface and the rear side surface of the upper halfpace section; the front side and the rear side of the lower rectangular enclosure frame section are respectively provided with a linkage hinge bayonet and a linkage hinge clamping block which are matched with each other; an induction adhesion layer is arranged on the top surface of the upper halfpace section; in the shoreline direction, the lateral channels of the adjacent slope protection block bodies are aligned and communicated; the adjacent slope protection blocks are clamped and matched in the direction perpendicular to the shoreline. According to the method, a relatively stable near-bottom shielding and slow-flow sheltering space can be formed, and habitat communication and attachment induction interface construction are considered.

The invention discloses an ecological brick and a preparation method thereof, and belongs to the technical field of ecological building materials. The ecological brick adopts a layered composite structure design, and comprises an outer anti-scouring protective layer, a middle buffer energy-absorbing layer and an inner ecological functional layer which are sequentially arranged from outside to inside, and diversion trenches with the width of 2mm and the depth of 1.5 mm are formed among micro-bulges to form latticed distribution. The preparation method comprises the four key steps of material pretreatment, layered pouring, bionic forming and intelligent maintenance. In the material pretreatment stage, Yellow River fine sand is screened and cleaned, straw fibers are soaked and modified through a sodium hydroxide solution, and basalt fibers are subjected to surface treatment through a silane coupling agent. And the layered pouring adopts a three-cavity mold system to realize accurate layer thickness control. Through the innovative structural design and preparation process, the anti-scouring performance and ecological function of the ecological brick are remarkably improved, compared with a traditional slope protection brick, the scouring loss is reduced by 42%, the plant survival rate reaches 89%, and an advanced technical solution is provided for water and soil conservation and ecological restoration engineering.

The invention discloses a drainage and prevention combined type embankment structure and a construction method, and belongs to the technical field of water conservancy projects. The embankment structure comprises a base and a protection structure arranged on the base in a coherent mode, the protection structure is composed of main pipe piles and arc-shaped sheet piles which are arranged at intervals, and an embankment is divided into a backwater side and a waterside. Side edge and top consolidation bodies are formed at the bottoms of the main pipe piles through grouting of the auxiliary pipe piles and the miniature pipes so as to enhance bearing; the arc-shaped sheet piles are tightly connected with the main pipe piles through the connecting end plates, the cap beams, the locking opening pipes and the connecting bolts, and a sealing anti-seepage system is formed on the backwater side. Meanwhile, a water collecting and draining system is arranged in the main pipe pile, and water on the water facing side is allowed to be drained orderly through the water collecting holes, the graded gravel materials, the water collecting pipe and the drainage blind pipe. Through combination of'prevention 'and'drainage', the anti-seepage safety of the backwater side is ensured, seepage water is timely dredged to eliminate seepage pressure, damage to the structure caused by water pressure accumulation is avoided, and unification of stability and safety of the embankment structure is achieved.

The application discloses a cast-in-situ concrete slope protection plate construction process, which comprises the following steps: measuring and lofting, determining the total construction range of the cast-in-situ concrete slope protection plate; extending and excavating a groove downward along the slope surface at the slope foot of the total construction range of the cast-in-situ concrete slope protection plate; leveling and tamping the slope surface in the total construction range of the cast-in-situ concrete slope protection plate; dividing the construction range of each cast-in-situ concrete slope protection plate on the slope surface; supporting the formwork of the cast-in-situ concrete slope protection plate on the slope surface; fixing the pre-bundled steel mesh of the cast-in-situ concrete slope protection plate, pouring concrete, ironing the concrete surface, and removing the formwork; supporting the formwork of the cast-in-situ concrete slope protection plate of the later-poured cast-in-situ concrete slope protection plate beside the previously-poured cast-in-situ concrete slope protection plate; fixing the steel mesh, pouring concrete, ironing the concrete surface, and removing the formwork. The application can avoid the seepage and overflow of concrete slurry along the bottom of the U-shaped structure formed by the formwork of the cast-in-situ concrete slope protection plate, reduces the waste of concrete, and facilitates the ironing of the concrete surface.

The invention discloses an ecological bank protection intelligent irrigation control system and method based on multi-source data fusion, and relates to the field of irrigation control. Soil moisture content data is collected in real time, meteorological and vegetation growth information is combined, an irrigation strategy is dynamically adjusted through a prediction model, and accurate matching of vegetation water demand and water supply is ensured; meanwhile, sonar echoes are used for constructing underwater digital twin bodies, the state of a fish nest channel is monitored in real time through image recognition, when blockage is detected, the system immediately triggers a cleaning mechanism and synchronously optimizes an irrigation threshold value, and it is avoided that vegetation irrigation is affected due to the fact that water quality is affected by blockage; in the cleaning process, the main operation machine efficiently dredges the channel through rotary cleaning and water flow scouring, and the cleaning effect is verified in real time by means of digital twin bodies; in addition, the system further guarantees the irrigation continuity by presetting the cleaning time limit and a standby water source switching mechanism, effectively prevents the risk of bank slope instability, and remarkably improves the durability and ecological stability of the bank protection structure.

The present invention relates to a six-point truss-type sand pumping and lifting device for a mattress laying vessel. The device comprises a support assembly and six working assemblies. The six working assemblies are all slidably connected to the support assembly. Each working assembly comprises a moving assembly, a sand pumping assembly, and a lifting assembly. The sand pumping assembly and the lifting assembly are both connected to the moving assembly, and thus move and work by means of the moving assembly. The support assembly comprises two main beams. Two ends of each main beam are respectively connected to one main frame support leg. Two auxiliary beams are connected between every left and right main frame support legs. The moving assembly is slidably connected to the two main beams. Each auxiliary beam is connected to a hydraulic pump station, a frequency converter cabinet, and a cab. The present invention minimizes the labor intensity of operators and labor costs, and can effectively improve medium precision control, safety performance, and construction efficiency in the construction process.

The invention belongs to the technical field of water conservancy projects and pumped storage projects, and discloses a layered injection construction method of a micro-stress ECC parting-free hydraulic anti-seepage panel. Aiming at anti-cracking and anti-seepage challenges of a large-scale seamless hydraulic panel, micro-stress high-ductility injection ECC is injected for multiple times in the thickness direction of the micro-stress ECC parting-free hydraulic panel to form a multi-layer composite integral panel, and transverse and longitudinal joints are not arranged; construction cold joints existing in each spraying layer are covered by the subsequent spraying layers, and the construction cold joints of the adjacent spraying layers do not coincide; and the integral micro-stress ECC joint-free hydraulic panel structure is formed by staggering and overlapping. And by means of the crack control design of staggered joint lap joint and twisting-capturing of the ECC layer face, cooperative improvement of structural bearing and crack resistance and seepage resistance is achieved. Compared with a traditional steel-concrete panel and a traditional asphalt concrete panel, the concrete panel has the advantages of being rigid and flexible, high in construction speed, economical, practical, high in deformation adaptability, resistant to void, resistant to freezing, durable and the like, and the problem that a traditional hydraulic panel gives consideration to crack resistance, seepage resistance and safe service is solved.

The invention discloses an energy-saving stone transportation device for a gabion, and belongs to the technical field of stone transportation, the energy-saving stone transportation device for the gabion comprises a conveying mechanism used for conveying stones, and the conveying mechanism is provided with a screening mechanism used for removing small-particle-size stones and a gabion loading mechanism used for loading the stones into the gabion; through the screening mechanism composed of the shaking hopper, the eccentric plate and the spring, broken stones and dust which do not meet the particle size requirement can be automatically screened out, it is guaranteed that the sizes of stones entering the gabion are uniform, and the structural stability and the protection effect of the gabion are improved; according to the conveying mechanism, the conveying belt is driven to operate under the assistance of the gravity of stones, and the motor load is reduced; according to the gabion loading mechanism, the function of alternately loading two gabion gabions is achieved through the design of a switching electric cylinder and double discharge ports, stone conveying can still be kept uninterrupted when empty gabions are replaced, the shutdown waiting time is greatly shortened, and the overall operation efficiency is improved.

The present application belongs to the field of ecological restoration technology, and particularly relates to a composite grass planting system, a preparation method and application, and a damaged ecological system restoration method for lake and reservoir drawdown belt steep slope areas. The composite grass planting blanket provided by the present application mainly uses degradable biomass materials as raw materials, and does not form secondary pollution to the environment during use. Meanwhile, the present application can improve the water retention of the composite grass planting blanket through layer structure design, which is beneficial to the growth of vegetation. The composite grass planting blanket provided by the present application has good erosion resistance, and prolongs the service life of the composite grass planting blanket. When the composite grass planting blanket is used to restore the lake and reservoir drawdown belt steep slope area, the lake and reservoir drawdown belt steep slope area is divided into a frequently submerged area, a wind and wave erosion area and a lightly submerged area, and different types of plants are planted in different areas, so as to ensure the survival rate of the plants, reduce water and soil loss, and effectively realize ecological restoration.

The invention belongs to the technical field of water conservancy projects, and discloses a self-locking anti-crack waterproof prefabricated water conservancy project ECC panel. By means of a material regulation and structural design cooperation method, the low-shrinkage ECC main body panel unit and the timely quantitative expansion ECC self-locking assembly connecting unit are combined, and volume deformation self-compensation high-precision assembly and self-locking anti-seepage lifting of the hydraulic prefabricated ECC panel after assembly are achieved. The panel has the advantages of high tensile strength, crack resistance, impermeability, durability and the like, compared with a traditional hydraulic panel, the mechanical property, the anti-seepage function, the durable safe service and the like are obviously improved, and the defect that an existing steel-concrete panel is insufficient in joint waterstop durability is overcome. The method can be specifically applied to the fields of rock-fill dam panels, pumped storage panels, water delivery canal linings, hydraulic anti-seepage reinforcement and repair, fabricated buildings and the like.

A system suitable for protecting shoreline or other target area / zone includes a geotextile sheet having an upper edge and a lower edge, the upper edge including a first channel through which a first draw cord is threaded, and the lower edge including a second channel through which a second draw cord is threaded. A flap has a lower portion affixed to the geotextile sheet proximal to its lower edge. The flap can further include un upper portion affixed to the geotextile sheet proximal to its upper edge, where the flap and the geotextile sheet form an enclosure.

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.

The invention discloses light soil with a bionic multilayer structure for water conservancy slope protection and a preparation process of the light soil, and belongs to the field of water conservancy slope protection materials. In order to solve the problems that an existing slope protection material is poor in mechanical stability and ecological vegetation compatibility and prone to interlayer stripping, the light soil is integrally formed into a high-strength framework core layer, an ecological nutrition transition layer and an anti-scouring vegetation surface layer from inside to outside, and the volume ratio of the three layers is 5: 3: 2-6: 2: 2; the core layer contains light foam concrete, fibers and nano silicon dioxide, the transition layer contains porous ceramsite and slow release fertilizer, and the surface layer contains mixed seeds and anti-erosion fibers. During preparation, interlayer meshing is realized by vibrating and embedding the transition layer before initial setting of the core layer, and demolding is performed through standard curing. The anti-scouring flow velocity of the product is larger than or equal to 2.0 m / s, the interlayer shear strength is larger than or equal to 0.2 MPa, the three-month vegetation coverage rate is larger than or equal to 60%, mechanical protection and ecological functions are considered, and the method is environmentally friendly, economical and suitable for slope protection projects of rivers, reservoirs and the like.

The utility model relates to the technical field of water and soil conservation, and particularly discloses an ecological slope protection water and soil conservation device. Comprising grating blocks arranged on the surface of a soil layer of the ecological slope protection, the adjacent grating blocks are connected through mortise and tenon joint structures, and a plant protection area is formed in a central grating groove of each grating block; and the separating and positioning assembly is arranged in the soil layer on the lower side of the grating block, vertically penetrates through the slope protection floating soil layer and extends to the bearing layer. Through the arrangement of the grating blocks, the adjacent grating blocks are spliced through mortise and tenon joint structures, and an integral protective layer is formed on the surface soil layer of the ecological slope protection. And through the arrangement of the separating and positioning assemblies, the lower soil body can be divided into independent units, and the independent units are matched with the upper grating blocks to form a three-dimensional water and soil conservation frame, so that the overall stability of the slope protection is enhanced, and local water and soil loss and diffusion are prevented. The problems that a traditional slope protection structure is poor in synergistic protection effect and continuous water and soil conservation function, and interlayer slippage is likely to be generated under the long-term dry-wet cycle effect are solved.

The utility model relates to a cement blanket erosion ditch head protection structure, in particular to a cement blanket erosion ditch head protection structure. The utility model aims to solve the technical problems that the existing erosion gully head protection slope cutting occupies land, slope cutting shaping is needed, and the process is complex. The cement blanket is used for protecting the erosion gully head, can adapt to complex gully head forms, does not need slope cutting and land occupation, is simple in construction and low in manufacturing cost, and can quickly and effectively solve the problem of source tracing erosion of the erosion gully head. The cement blanket erosion gully head protection comprises a cement blanket laying part and a downstream block stone apron part. After the cement blanket is laid, runoff is guided into the erosion gully from the gully head, the gully head of the erosion gully is controlled to advance, and the downstream apron section is used for dissipating energy of the runoff and plays a role in transition and buffering. According to the utility model, tamping and flattening are mainly used, so that the trimming difficulty at the ditch head is greatly reduced, and the trimming cost is also reduced.

The invention provides a seabed anti-scouring system based on a bionic flow guide structure and a manufacturing method, and belongs to the technical field of offshore structure construction. In the seabed anti-scouring system based on the bionic flow guide structures, a seabed building is located on a seabed, a plurality of first flow guide structures are arranged around the seabed building, and each first flow guide structure comprises a flow guide groove and a plurality of first bionic fish scale plates rotationally connected with the flow guide groove; the multiple first bionic fish scale plates are arranged on the flow guide groove in the extending direction of the flow guide groove, multiple open holes are formed in the groove wall of the flow guide groove, and the multiple second flow guide structures are located between two first flow guide structures in the multiple first flow guide structures correspondingly. Each second flow guide structure comprises a strip-shaped bottom plate and a plurality of second bionic fish scale plates mounted on the strip-shaped bottom plate; the gel layer is located on the seabed and located between the multiple first flow guide structures and in the flow guide grooves. The beneficial effects that the stability of the seabed anti-scouring system based on the bionic flow guide structure is improved, and the service life of the seabed anti-scouring system is prolonged are achieved.

The utility model discloses a water conservancy slope protection piece, and relates to the technical field of protection technology, the water conservancy slope protection piece comprises a support frame, corners of the support frame are provided with through holes, at least two through holes are provided with positioning devices, and the positioning devices are used for fixing the support frame on a slope to press a slope protection net; the positioning device comprises a fixing nail which is fixedly connected with the bottom of the supporting frame. The fixing nail is provided with a fixing groove, the fixing groove and the through hole are coaxial and communicated, through grooves are evenly distributed in the side wall of the fixing nail in the circumferential direction, and the through grooves and the fixing groove are communicated. A supporting block is arranged in the fixing groove and slides along the fixing groove. A plug connector is arranged in an inner cavity of the through groove; the plug-in piece comprises a plug-in rod and a fixing block, the plug-in rod is provided with a limiting groove, the plug-in rod penetrates through the through groove and extends into the fixing groove to be rotationally connected with the supporting block, the fixing block is located in the limiting groove, and one end of the fixing block extends out of the limiting groove to be fixedly connected with the fixing nail. The supporting device is reasonable in design structure, and can be fixed on a side slope at different positions, so that a steel wire mesh is stably supported.

The invention discloses a slope protection device applied to a bank zone, and relates to the technical field of slope protection anchor rods. Comprising an anchor head installation piece, a water seepage detection piece is installed on the anchor head installation piece, and a safety plugging piece is installed on the anchor head installation piece; the water seepage detection piece is used for controlling water seepage of the grouting prevention position; a grouting sealing piece is mounted on the anchor head mounting piece; the grouting sealing piece is used for preventing grouting from interfering with the water seepage detection piece; a drill rod connecting piece is mounted on the anchor head mounting piece; the drill rod connecting piece is used for grouting; the safety plugging piece is matched with the water seepage detection piece, the water seepage condition of a grouting outlet area can be automatically detected, and the problem that the grouting effect is affected due to the fact that the water content of the grouting area is too high due to insufficient anchoring depth and other factors can be solved; the problems that according to an existing slope protection device applied to the bank zone, it is not convenient to automatically control and prevent workers from pouring slurry in a water seepage layer, and it is also not convenient to achieve split-flow expansion to extrude the bank zone are solved.

The present invention relates to an assembled drainage retaining wall structure and a construction method thereof, comprising a plurality of S-shaped prefabricated wall bricks, I-shaped columns, connecting plates and a bottom plate; the assembled drainage retaining wall structure realizes modular assembly, and the modules are made more universal by prefabricated assemblies, and are convenient for construction and connection, maintenance and replacement; connecting plates are used to connect the upper and lower prefabricated wall bricks, the prefabricated wall bricks and the bottom plate, and the I-shaped columns and the bottom plate. Compared with traditional mortise and tenon or fastener connection methods, the precision requirements are not high, the installation is convenient, and the connecting plates can be arbitrarily cut on site according to actual conditions, thereby increasing the on-site applicability of the retaining wall structure.