23 results about "Tidal zone" patented technology

The invention discloses an ecological shoreline diagnosis method and system based on hydrological-biological communication, and is applied to the technical field of water environment ecological restoration and shoreline health assessment. Comprising the following steps: dividing intertidal zones of a shoreline research area, and generating uniformly distributed sampling points in each tidal zone; extracting a plurality of indexes related to hydrological and biological connectivity, and constructing a comprehensive hydrological-biological connectivity state index through principal component analysis; dam feature data of a shoreline area are obtained, correlation analysis and collinearity screening are carried out, and key shoreline features are screened through a random forest algorithm; constructing a mechanism connectivity index based on a circuit theory; constructing and training a Bayesian network prediction model; and performing connectivity state diagnosis, attribution analysis and restoration scheme effect simulation on the target shore section by using a Bayesian network prediction model. By coupling hydrological and biological connectivity, static element evaluation is changed into dynamic ecological process diagnosis, and dominant factors are accurately positioned.

The present application relates to a kind of technology for inducing marine sessile organism attachment, especially a kind of fiber reinforced ecological concrete and preparation method, belong to the cross field of marine sessile organism and marine concrete.Its material components include: cementitious material, broken stone, sand, water, dark pigment, biological calcium powder, calcium carbonate powder, trace element, chopped fiber and superplasticizer.The purpose of the present application is to induce sessile organism attachment, mainly oyster, in the tidal zone reinforced concrete corrosion prevention, considering the attachment of barnacle.By controlling to use dilute acid modification and composite grinding technology, the inducing capacity of bovine bone powder is fully exerted, the bovine bone powder content is greatly reduced, and corrosion prevention treatment and modification are carried out, a composite inducer mainly composed of bovine bone powder is realized, the content is small, and the concrete strength and permeability are almost not affected.

The present application relates to the technical field of material performance testing, and discloses a material corrosion testing device and testing method for simulating ocean acidification environment, comprising: a closed simulation testing cabin, which is internally divided into a top-down salt mist simulation cabin, a wet heat simulation cabin and a high-pressure immersion simulation cabin by horizontally arranging openable and closable upper and lower insulation boards, and is provided with a cabin door with a sealing structure at the top; through the independent modular design of the salt mist simulation cabin, the wet heat simulation cabin and the high-pressure immersion simulation cabin, and the automatic switching function of the rotatable lifting sample holder, the present device realizes precise coupling and seamless switching of corrosion environments such as salt mist spraying, high temperature and high humidity, and deep sea high pressure, and the sample can complete the whole cycle corrosion behavior research of the marine atmospheric zone, the splash zone, the tidal zone and the full immersion zone on the same platform, and eliminates the interface effect caused by the traditional multiple equipment series connection testing.

The present application relates to a kind of water-repellent breathable carbon mineralization protective coating and its preparation method and application, by mass parts, including the following components: γ-dicalcium silicate powder: 3~6 parts;Carbonization template: 0.3~0.9 parts;Crystal form regulator: 0.8~1.8 parts;Surface hydrophobic modifier: 0.01~0.1 parts;Water-retention and pore control agent: 2~5 parts.The present application water-repellent breathable carbon mineralization protective coating is based on the carbonization reaction of γ-dicalcium silicate, induces aragonite crystal form growth by crystal form regulator, gives coating surface hydrophobicity by surface hydrophobic modifier, improves pore and water retention by water-retention and pore control agent, can realize the function of water (liquid) blocking not gas (vapor) blocking, give consideration to water-repellent and breathability, effectively avoid the problem that coating is bubbled and falls off due to internal steam pressure is too large, especially suitable for coastal splash zone and tidal zone concrete protection.

The invention relates to the technical field of corrosion tests and equipment, in particular to a tidal range natural acceleration device and a test method.Seawater liquid level changes are monitored in real time through a liquid level sensor, the natural rising tide frequency a and falling tide frequency b of the previous day are obtained, a sample frame is controlled to execute up-down reciprocating motion at N times of frequency, and N is the acceleration rate; and after a plurality of test periods, respectively measuring the corrosion rates of the accelerated test and the naturally exposed sample, calculating the acceleration ratio, and constructing a gray prediction model based on the relationship between the acceleration ratio and time for extrapolating and predicting the natural corrosion behavior of the material in a longer period. According to the invention, a mechanical lifting system capable of being accurately controlled is constructed in a natural seawater tidal range region, so that the frequency of a material drying and wetting alternation process is enhanced, and the corrosion process is obviously accelerated on the premise of not changing the authenticity of a marine environment; the double problems that a traditional indoor acceleration test is poor in correlation with the actual service environment and the natural exposure test period is too long are solved.

This disclosure aims to improve the accuracy of water level prediction in tidal zones to the same level as in non-tidal zones, using a water level prediction model. [Solution] In this disclosure, the training data extraction unit 4 extracts, as training data necessary for learning the water level at a water level prediction point in the tidal zone, tidal zone water level data EW, at least one of the upstream water level data UW and rainfall data RD, and pseudo-tidal level data that shows a pseudo-tidal level at the water level prediction point at that time, in the past before that time, and in the future before that time. The water level prediction model construction unit 5 constructs a water level prediction model M for predicting the water level at a water level prediction point in the tidal zone using the tidal zone water level data EW, at least one of the upstream water level data UW and rainfall data RD, and the pseudo-tidal level data.

The invention discloses a sacrificial anode device of a steel structure and a preparation method thereof, the sacrificial anode device comprises a fixing device, a plurality of sacrificial anodes and a filler, the fixing device is arranged on the outer side of the steel structure, the plurality of sacrificial anodes are arranged between the fixing device and the steel structure, and the filler is suitable for filling the peripheral sides of the plurality of sacrificial anodes. The sacrificial anodes are connected to the steel structure through wires, and the sacrificial anodes are formed by wrapping active metal in long-acting activation mortar. According to the method, the problem that traditional coating protection, underwater sacrificial anode protection and impressed current cathode protection cannot fully protect the steel structure in a tidal range zone and a splash zone can be effectively solved.

The utility model belongs to the technical field of foundation pit dewatering, and particularly relates to an intelligent foundation pit dewatering and pressurizing recharge system suitable for a coastal tidal zone, which comprises a dewatering well, a recharge well and a water collecting tank, and further comprises an intelligent dewatering system, a pressurizing recharge system and a pressurizing recharge system, the pumped water can be placed in the water collecting tank; the intelligent recharge system is used for intelligently placing water in the water collecting tank into a recharge well according to the water level; and the pressurizing system is used for pressurizing the water recharged by the intelligent recharging system. According to the utility model, the liquid level sensor is used for monitoring data, real-time monitoring on settlement of surrounding buildings can be realized, and compared with the traditional method of processing after settlement of the surrounding buildings and structures of the foundation pit occurs, the efficiency is greatly improved.

The invention provides an ocean concrete structure wet interface repairing construction method and a repairing material thereof. The repairing material is prepared from 100 to 150 parts of hydroxyl-terminated polydimethylsiloxane, 20 to 60 parts of butyl rubber, 30 to 80 parts of sulphoaluminate cement, 5 to 15 parts of cross-linking agent, 2 to 8 parts of latent catalytic system, 3 to 10 parts of tackifying resin and 20 to 100 parts of filler, wherein the latent catalytic system is prepared by complexing an organic tin catalyst and a chelating agent, long-term storage stability at normal temperature is realized, and a curing reaction is triggered under the combined action of moisture and temperature. According to the construction method of the repairing material, direct construction can be carried out under the wet interface condition that the water content of the surface of a base material is 5%-20%, drying treatment is not needed, the construction process is simple, convenient and rapid, and the method is suitable for in-situ repairing of a tidal range area concrete structure, an underwater concrete structure, an ocean platform pile foundation and wharf facilities; the coating can be constructed under the wet interface condition that the water content of the surface of a base material is 5%-20%, does not need drying treatment, and can be used for corrosion prevention and repair of marine concrete structures, crack sealing, damage repair and steel bar corrosion prevention and protection.

The utility model discloses an intertidal zone bottom observation station frame body, and belongs to the field of marine environment monitoring. Comprising a main rod; the surface of the main rod is sleeved with a fixing assembly, one side of the fixing assembly is connected with a butt joint rod in an inserted mode, one side of the butt joint rod is sleeved with a butt joint plate, one side of the fixing assembly is connected with a connecting rod in an inserted mode, some fixing boxes are connected to the fixing assembly in an inserted mode, and the surface of each fixing box is provided with an anti-corrosion coating. The intertidal zone bottom-supported observation station frame body further comprises a supporting assembly, the supporting assembly comprises a supporting base, a supporting rotating shaft, a supporting rod, a butt joint rotating shaft and a supporting plate, the supporting rotating shaft is rotationally connected into the supporting base, the supporting rod is rotationally connected to the surface of the supporting rotating shaft, the butt joint rotating shaft is rotationally connected into the supporting rod, and the butt joint rotating shaft is rotationally connected into the supporting plate. The surface of the butt joint rotating shaft is rotationally connected with a supporting plate. The intertidal zone bottom-supported observation station frame body has the beneficial effects that the intertidal zone bottom-supported observation station frame body which is multiple in fixation, capable of preventing corrosion and convenient in position adjustment is provided.

This invention provides a method for constructing a horizontal hydrological connectivity index in the northern intertidal zone, comprising the following steps: collecting surface soil water samples from various tidal zone plots and determining the stable isotope abundance of the surface soil water in each plot; collecting seawater samples at the same time as the surface soil water samples and determining the stable isotope abundance of the seawater; constructing the hydrological connectivity index for each tidal zone plot according to the hydrological connectivity index calculation formula, and comprehensively evaluating the horizontal hydrological connectivity of the northern intertidal zone. The technical solution of this invention, based on stable isotope tracing, constructs a hydrological connectivity index with higher accuracy and sensitivity. Furthermore, by using only the hydrogen and oxygen stable isotope abundance changes as an indicator, the source ratio of multiple water sources in the intertidal zone can be effectively identified, thereby accurately quantifying the hydrological connectivity of the intertidal zone and guiding the eco-hydrological restoration of coastal wetlands.

Disclosed is a low-cost and safe method for repairing and reinforcing underwater piers of bridges in tidal zones, including: installing a steel boxed cofferdam and reinforcing concrete of a pier column, where during the step of installing the steel boxed cofferdam, a lower internal bracing is first fixed onto a top surface of a pile cap, then side plates of the steel boxed cofferdam are connected to the lower internal bracing, and subsequently, hydraulic jacks are used to push a waterstop work platform; and during the step of reinforcing the concrete of the pier column, spacers are arranged between an inner surface of glass fiber reinforced plastic formwork and an outer surface of the pier column, a bottom outer edge of the glass fiber reinforced plastic formwork is sealed with mortar, and once the mortar reaches a certain strength, reactive powder concrete is placed.

The invention provides an imidazoline epoxy resin curing agent. The imidazoline epoxy resin curing agent is prepared from the following components in parts by weight: 40-70 parts of an imidazoline monomer, 5-15 parts of fluorine-containing long-chain carboxylic acid, 10-25 parts of polyether amine, 5-15 parts of a polyfunctional epoxy compound, 1-5 parts of a silane coupling agent and 0.1-1 part of a polymerization inhibitor. The curing agent is suitable for various underwater working conditions with the water depth of 0.5-20 m, the water temperature of 5-35 DEG C and the water flow speed of 0-2 m / s, has wide application prospects in underwater concrete repairing, tidal range zone anti-corrosion coating, maritime work structure grouting, submarine pipeline repairing, reservoir dam reinforcing and other scenes, and has great significance in promoting ocean engineering and water conservancy facility maintenance technology progress.

The application discloses cultivation of a double-capsule algae, an active component extraction method and application of an extract thereof in cosmetics, and belongs to the field of marine microalgae cosmetics. Geminocystis The double-capsule algae (D. sp.) MH1 is derived from a tidal zone of the South China Sea, and has a preservation number of CCTCC NO: M 2026091. Experiments prove that water extract, alcohol extract and ester extract of the double-capsule algae have significant antioxidant, whitening, anti-inflammatory and sunscreen effects, and are suitable for preparation of cosmetics with antioxidant, whitening, sunscreen and anti-inflammatory four-in-one effects. The algal strain has high cultivation efficiency, the extraction process is simple, active components are rich, a new way is provided for development of natural, four-in-one cosmetic raw materials, and has a wide application prospect.

To provide a sand-proof sheet and a method for laying a sand-proof sheet that can reduce uplift pressure caused by tides and waves, and prevent damage caused by friction between the sand-proof sheet and rubble. [Solution] The sand-proof sheet 2 comprises a sand-proof sheet body 4 having a water-impermeable surface, a sheet 6 with an uplift pressure reduction function having a water-permeable uplift pressure reduction section 5 provided in the area located in the tidal zone when laid, a swing suppression member 7 superimposed on the surface of the sheet with an uplift pressure reduction function 6, and a water-impermeable covering sheet 8 covering the uplift pressure reduction section 5.

The invention discloses a sacrificial anode device of a reinforced concrete structure and a preparation method of the sacrificial anode device, reinforced concrete comprises a concrete outer layer and reinforcing steel bars wrapped by the concrete outer layer, the sacrificial anode device comprises an outer layer structure, a plurality of sacrificial anodes and a filling material, and the outer layer structure is arranged on the outer side of the concrete outer layer; the sacrificial anodes are arranged on the concrete outer layer and located on the outer sides of the steel bars, the sacrificial anodes are connected with the steel bars through wires, the filling materials are suitable for being filled on the peripheral sides of the sacrificial anodes, the sacrificial anodes are made by wrapping active metal with conductive mortar, and the active metal is electrically connected with the steel bars. According to the scheme, the problem that traditional coating protection, underwater sacrificial anode protection and impressed current cathode protection insufficiently protect the steel bars in a tidal range zone and a splash zone can be effectively solved.

The utility model provides a plant anchoring device for a swelling-eliminating belt with stormy waves, which comprises a mounting ring, a plurality of fixing rings are connected to the side of the mounting ring, and a conical rod is arranged in each fixing ring; the plurality of connecting assemblies are respectively arranged on one sides of the plurality of fixing rings; and the limiting assembly is arranged on one side of the connecting assembly. According to the device for anchoring the plants in the stormy and stormy dilatation-eliminating belt, the fixing rings with the connecting assemblies and the fixing assemblies are arranged on the side of the mounting ring to be matched with the conical rod for use, so that the plants in the dilatation-eliminating belt can be limited at multi-angle positions of the plants when the plants in the dilatation-eliminating belt are fixed; meanwhile, the height of the whole device can be adjusted according to the height of the plants in the expansion eliminating belt, and the device can be taken out after being used and can be repeatedly used.

The present application relates to a kind of offshore wind power pile foundation of scour prevention, including fixedly arranged in the pile body in sea, pile body top end is equipped with pile body tidal zone and icebreaking operation area, icebreaking mechanism is installed in icebreaking operation area, ice layer is broken by sea wave driving impact head reciprocating lifting, pile body tidal zone is equipped with cleaning mechanism, and sea creature is cleaned with icebreaking mechanism collaborative action, support disc is fixedly sleeved in the bottom of pile body, and the top of support disc is equipped with profile support mechanism and water flow buffer mechanism, respectively for adapting seabed steep slope to increase contact area, buffer sea current impact, the present application does not need external power supply, compact structure, environmental protection high efficiency, can effectively improve the anti-overturning of foundation, anti-scour performance, prolong its service life;Solve the existing offshore wind power pile foundation is vulnerable to ice layer impact, marine organism attachment, seabed steep slope support instability and sea current scour impact, leading to poor pile foundation stability, short service life.

The application relates to a gas bag blocking structure of a water passing culvert in a tidal area and an implementation method thereof, which comprises an inflation gas bag structure, inflation equipment, a culvert mouth protection structure and a traction fixing structure; the inflation gas bag structure is arranged in the water passing culvert and comprises an inflation gas bag and first and second plugs arranged at two ends of the inflation gas bag; the second plug is provided with an inflation hose which is used for connecting the inflation equipment; the two ends of the inflation gas bag structure are connected to the traction fixing structure respectively, and the traction fixing structure is connected to the culvert mouth protection structure; the culvert mouth protection structure is arranged at the two ends of the water passing culvert and is used for intercepting water garbage and marine organisms from entering the water passing culvert; the application has the advantages that the inflation gas bag structure, the culvert mouth protection structure and the traction fixing structure can not only realize the rapid blocking of the water passing culvert in the tidal area, but also realize the functions of bearing bidirectional water head pressure and repeated opening and closing.

The invention relates to the technical field of ecological restoration, in particular to a lagoon face wetland vegetation restoration background reference value intelligent determination method which comprises the following steps: S1, collecting lagoon face quadrat community structure, elevation, salinity and sediment data, recognizing vegetation distribution in combination with a remote sensing image, dividing a tidal upper zone, a tidal middle zone and a tidal lower zone according to the elevation and the tidal level, and constructing a multi-layer vegetation partition map; s2, inputting quadrat data in a tidal zone into a disturbance response model, simulating a structure recovery path under hydrological disturbance, calculating a coverage-density fluctuation index, a height recovery coefficient and a diversity change rate, and screening out a stable structure quadrat; and S3, extracting frequency, height interval, cover quartile, salinity and elevation range of the dominant species, and generating a vegetation restoration target template in combination with restoration area matching degree weighted recommendation. According to the method, intelligent extraction and location-based configuration of the lagoon face wetland vegetation restoration reference value are achieved, and scientificity, stability and practicability of a restoration scheme are remarkably improved.

The application discloses a low-cost and safe maintenance and reinforcement method for a tidal zone bridge underwater pier, which comprises the following steps: steel sleeve box cofferdam installation, sacrificial anode protection system installation and pier column concrete reinforcement. When the steel sleeve box cofferdam installation step is performed, first, the lower inner support is fixed on the top surface of the pile cap by means of implanting anchor bolts, then the side plate of the steel sleeve box cofferdam is connected with the lower inner support, and then the hydraulic jack pushes the water stop belt working platform until the GINA water stop belt is closely combined with the side surface of the pile cap; when the sacrificial anode protection system installation step is performed, the zinc block with a front electric potential sequence is arranged on the corroded steel bar of the pier column as a sacrificial anode to protect the iron steel bar with a rear electric potential sequence; when the pier column concrete reinforcement step is performed, the gasket is arranged between the inner side surface of the glass fiber reinforced plastic formwork and the outer surface of the pier column, and the mortar is sealed on the outer edge of the bottom opening of the glass fiber reinforced plastic formwork, and the RPC concrete is poured after the mortar reaches a certain strength.

The invention discloses high-bainite cement-based sulfate-erosion-resistant special concrete as well as a preparation method and application thereof, and belongs to the field of building materials. Aiming at the problems of low early strength, poor corrosion resistance and poor dry and wet adaptability of the existing sulfate-resistant concrete, the concrete takes high belite cement as a main gelling component, and is matched with auxiliary gelling components containing sulphoaluminate cement, silica fume and the like, the aggregate contains functional fine aggregate, the water-binder ratio is 0.28-0.35, and a specific chemical additive is supplemented. Three-stage variable-frequency stirring is adopted for preparation, and water retention and wet maintenance are carried out for more than or equal to 14 days after pouring. The 90-day sulfate attack resistance coefficient is larger than or equal to 1.5 (4000 mg / L sulfate radical), the 7-day compressive strength is larger than or equal to 40 MPa, the total porosity is smaller than or equal to 15%, and the composite material is suitable for the environment (such as an ocean tidal zone and a salinized soil roadbed) with the sulfate radical of 2000-8000 mg / L and the wetting and drying alternation of larger than or equal to 3 times / month, and performance and economical efficiency are both considered.

The application discloses a kind of strong tidal zone multi-void structure ecological seawall and vegetation planting method, belong to ecological seawall technical field, specifically related to a kind of vegetation-growing concrete, comprising: powder and aggregate, powder includes cement and fly ash, the use amount of fly ash is 5-15wt% of cement, the particle size of aggregate is 20-30mm, the use amount of aggregate is 400-600wt% of cement.Plant-growing concrete also contains polyacrylate material, polyacrylate material includes phenyl polyacrylate and / or silicon-based polyacrylate.The application provides a kind of plant-growing concrete with high connected porosity and good frost resistance, and further prepares to obtain the strong tidal zone multi-void structure ecological seawall using plant-growing concrete, and plants vegetation on ecological seawall.