52results about "Land reclamation" patented technology

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 relates to an automatic dredging control method based on target parameters of a trailing suction dredger, which comprises the following steps of: setting target parameters of dredging and loading operation to be controlled under a dredging and loading working condition, and constructing a dredger according to a construction path planned by a system; the system jointly controls dredging operation equipment such as a steering engine, a propeller, a rake arm winch, an active rake head, a wave compensator, a high-pressure flushing pump and an underwater / cabin mud pump to achieve dredging and driving integrated dredging and cabin loading operation, and in the dredging and cabin loading process, the controlled equipment is always kept to stably operate at a set target parameter value. Therefore, efficient automatic dredging operation of the trailing suction hopper dredger is achieved. According to the method, the target parameters of the dredging and loading operation are set, the controlled equipment is always kept to stably operate at the set target parameter values in the dredging and loading process, and efficient automatic dredging operation of the trailing suction hopper dredger is achieved.

The invention relates to an automatic dredging control method for economic yield of a trailing suction dredger, which comprises the following steps of: under a dredging loading working condition, acquiring the ratio of concentration and flow velocity to oil consumption of a loading pipeline according to historical data of concentration and flow velocity and oil consumption of the loading pipeline in construction; the concentration and flow rate target values of the loading pipeline with the most economic benefits under the working condition are determined in a mode of taking the maximum ratio, and the ship navigational speed, the rake head angle, the rake head cutting depth, the wave compensator pressure, the high-pressure flushing pressure and the dredge pump rotating speed are automatically controlled according to the target values; and meanwhile, the steering engine and the propeller are jointly controlled to realize automatic dredging and loading operation of the dredger according to a planned path, so that the dredging yield is stabilized near the economic yield, and the efficient automatic dredging and loading operation of the trailing suction dredger with the best economic benefit is realized. According to the method, it can be guaranteed that the optimal ratio of economic output to cost input can be obtained in automatic dredging and loading operation conducted under the economic output, and therefore economic benefits are greatly improved.

The application discloses a kind of mobile underwater layered hydraulic fill construction indoor simulation test method, comprising: step (1) by input module design key test parameters;Step (2) by input module setting water depth, speed and wave conditions;Step (3) by management module mixes uniform mud;Step (4) by management module starts first layer mobile hydraulic fill;Step (5) by management module completes first layer mobile hydraulic fill;Step (6) by management module repeats step (4)-(5);Step (7) by measuring system measures hydraulic fill test characteristic parameter;Step (8) clears up water tank test area silt. Various key construction parameters are adjusted, and multi-layer repeated mobile construction simulation technology is realized, which provides an effective means for in-depth study of high-precision layered hydraulic fill technology, improvement of construction efficiency and management quality.

The invention discloses a water pumping and sand discharging pipeline system for a sand hopper and a construction technology of the water pumping and sand discharging pipeline system and belongs to the technical field of pipeline systems. A water pumping and sand discharging pipeline system for a sand hopper comprises a sand hopper body fixedly arranged on a ship deck through a fixing rod, and further comprises a pumping and sand discharging part, the pumping and sand discharging part comprises a first deck pump and a second deck pump which are arranged on the ship deck, the first deck pump is connected with a first discharging pipe, and the second deck pump is connected with a second discharging pipe; the pumping water pumping part comprises an underwater pump and a submersible pump which are arranged in the ship bridge frame; and a pumping and draining pipeline assembly. By refitting an existing cutter suction dredger and integrating the pumping and draining pipeline assembly and the cross-shaped connecting pipeline, flexible switching of the first deck pump, the second deck pump and the underwater pump among three modes of double-pump parallel connection, double-pump series connection and three-pump series connection is achieved, the operation production efficiency is improved, the production cost is reduced, and the service life of the cutter suction dredger is prolonged. And the device is suitable for an environment-friendly construction scene of short-row-pitch large-yield or long-row-pitch accurate conveying.

We propose a ground material using crushed clay tiles that can reduce turbidity when used underwater, and a method for reclamating seabeds using this ground material. [Solution] This is a ground material made by mixing crushed clay tiles and sand. The fine-grained content of the crushed clay tiles, including silt and clay, is 20% or less, the maximum particle size is 30 mm or less, and the 50% particle size is 10 mm or less. The maximum particle size of the sand is 2.0 mm, and the mixing ratio of sand to dry weight is in the range of 20% to 60%. When filling the bottom of a body of water with this ground material, it is moistened by soaking it in water before being placed in the water.

The present application relates to a kind of ecological island building fill unit, fill unit middle is provided with through hole, fill unit includes shell surface layer, middle structural layer and internal filling layer;Shell surface layer is made of neutral material, to ensure that the sea bottom water quality and related environmental indicators where fill unit is after sinking to bottom are not affected;Structural layer uses high-performance corrosion-resistant material, for bearing the water head pressure after fill unit sinking to bottom, unit stacking transmission pressure and mutual collision force, the whole outside of structural layer is covered by shell surface layer, and internal full-closed cavity is formed;Filling layer uses the full-closed cavity surrounded by structural layer, and fills crushed construction waste.The present application has the advantages of simple structure, large specific weight, easy production and transportation, etc.

This invention relates to the field of engineering foundation construction, specifically disclosing a method for removing fine particles from dredged sandy soil foundations. The method includes a pipeline, an upper rod, a suction pipe, and a cone. The upper rod contains a high-pressure water pipe, a high-pressure air pipe, and a suction pipe, all connected to the pipeline. The suction pipe, from the outside in, consists of an outer shell, a filter screen, and a suction chamber. The outer shell has several suction holes and several high-pressure air jet holes, connected to the high-pressure air pipe, and the suction chamber is connected to the suction pipe. The cone's tip has a high-pressure water jet hole connected to the high-pressure water pipe. Several vibrating rods are fixedly installed within the upper rod and suction pipe. This invention's fine particle removal equipment penetrates deep into the soil layer and removes fine particles through suction and filtration. It has a simple structure, is easy to implement, has low construction costs, and is convenient to operate. It can effectively remove fine particles from dredged sandy soil foundations, greatly reducing the difficulty of dredged sandy soil foundation treatment construction.

The invention belongs to the technical field of water conservancy construction equipment, and particularly discloses a green and environment-friendly hydraulic reclamation intelligent construction relay pump station and a device thereof, the intelligent construction relay pump station comprises a pump body used for conveying slurry, and the pump body is connected with a feeding pipe and a discharging pipe. Rock blocks in slurry are intercepted through the multiple stages of baffle plates, the situation that a pump body pipeline is blocked by the rock blocks and components such as a pump body impeller and a pump shell are abraded is avoided, equipment faults and maintenance cost are reduced, and the continuity of hydraulic reclamation operation is guaranteed; by combining the design of an anti-leakage pipeline, slurry recovery and the like, zero-pollution transfer of the slurry, carbon reduction, efficiency improvement and strict control of secondary pollution are realized; meanwhile, block stone interception and passing modes are adjusted in a self-adaptive mode according to the slurry flow speed, the slurry conveying efficiency is guaranteed while the block stone collecting efficiency is improved, a remote control system is additionally arranged, the system is matched with channel dredging, sea reclamation, lake and reservoir desilting and other scenes, the slurry conveying distance is prolonged, and the dual requirements of environmental protection and intelligent construction are met.

This invention discloses a double bow spraying device for a trailing suction hopper dredger, belonging to the field of dredging technology. The double bow spraying device for a trailing suction hopper dredger includes a bow, on which an mounting plate is fixedly installed. The mounting plate is equipped with two sets of angle adjustment mechanisms, each connected to a spraying mechanism. Each angle adjustment mechanism includes a horizontal adjustment component for driving the spraying mechanism to rotate horizontally and a vertical adjustment component for driving the spraying mechanism to rotate vertically. The horizontal and vertical adjustment components are connected. An automatic pressurization component is provided on the spraying mechanism. This invention can automatically adjust the bow spraying range of the dredger, increasing the operational spraying range, reducing the workload of the crew, and greatly improving the quality and efficiency of bow spraying and dumping of dredged material by the trailing suction hopper dredger.

This invention provides a landfill material that can be used even when there is a time lag between mixing and dispensing it into water. [Solution] The method for manufacturing landfill material involves mixing soil, a stabilizer, and a setting retarder to produce landfill material in a non-slurry state. The method includes the step of adding a separation inhibitor to the mixed material obtained by the step of mixing soil, a stabilizer, and a setting retarder, in order to prevent the separation of the stabilizer and the soil, and the amount of setting retarder mixed is controlled based on the water content of the soil.

To provide an artificial shallow area more suitable for the growth of seagrass and / or seaweed. [Solution] An artificial shallow area according to one aspect of the present invention is an artificial shallow area located underwater, comprising a first submerged breakwater having at least a surface of stone arranged on it, and a substantially horizontal first construction surface connected to the first submerged breakwater, wherein the surface layer of the first construction surface consists of one or more base materials selected from the group consisting of solidified soil, sand, gravel, and stone.

The invention provides a dredger fill foundation reinforcement effect evaluation method and system based on monitoring data inversion, and relates to the technical field of dredger fill foundations, and the method comprises the steps: carrying out the multi-level monitoring deployment of a dredger fill foundation construction area according to a dredger fill foundation reinforcement scheme; according to the dredger fill foundation monitoring grid, construction synchronous monitoring of the dredger fill foundation construction area is executed, and multi-degree-of-freedom foundation performance parameter inversion is carried out; performing multi-index reinforcement effect evaluation on the foundation performance parameter inversion layer according to the reinforcement effect evaluation event set; performing abnormal causal tracing on the reinforcement effect evaluation characteristic layer according to reinforcement operation monitoring data; and a dredger fill foundation reinforcement scheme is fed back and adjusted according to the reinforcement effect evaluation graph model. According to the method and the device, the problem of monitoring disjunction in dredger fill foundation reinforcement effect evaluation in the prior art can be solved, data-driven real-time inversion and multi-dimensional comprehensive evaluation are realized, and the technical effect of establishing a comprehensive evaluation system is achieved.

The dredged soil landfill drainage device of the present application is provided with a foundation pad (30) on the inner side of the dam ground; one or more fixed water collecting wells (40) are established on the foundation pad and collect the external water flow into the interior; water level corresponding drainage materials (50) are arranged around the water collecting well, the bottom of which is fixed on the foundation pad, and the water level corresponding drainage materials have flexibility, including drainage materials (51) leading to the foundation pad, multiple levels of the drainage materials arranged at a certain height from each other, and buoys (52-1, 52-2, 52-3) floating on the water to establish the drainage materials.

The utility model provides a gate box buried pipe type drainage port system which comprises a plurality of gate box buried pipe type drainage structures connected in sequence, each gate box buried pipe type drainage structure comprises a lower box body and an upper box body, the upper end of each lower box body is open, the end face of each lower box body is concavely provided with an annular sliding groove, the upper end and the lower end of each upper box body are open, and the lower end of each upper box body is inserted into the corresponding sliding groove in a sliding mode. The upper box body can move up and down relative to the lower box body, so that the overall height of the upper box body and the lower box body can be adjusted, the gate box can better adapt to different cofferdam water levels, better adaptability is achieved, and the problems that in the prior art, a gate box is fixed in height, and the cofferdam water level adaptability is poor are solved.

The invention relates to the technical field of sand filling machines, in particular to a sand filling machine for coastal foundation construction and a construction method. The sand filling machine comprises a sand blasting machine body, a feeding part is fixedly connected to the sand blasting machine body, a mixing box is fixedly connected to the side, away from the feeding part, of the sand blasting machine body, symmetrically-distributed rotating cylinders are rotationally connected to the side, away from the mixing box, of the sand blasting machine body, and a conveying belt is wound around the symmetrically-distributed rotating cylinders; the side, close to the feeding piece, of the sand blasting machine body is rotationally connected with a first blocking piece. Through mutual cooperation of the material receiving box, the discharging piece and the like, the sand filling machine can evenly spread sand on the screening piece, the blocking problem caused by accumulation is effectively avoided, through mutual cooperation of the fixing block, the dispersing piece and the like, gravel spread on the screening piece is scattered, caking is prevented, meanwhile, impurities such as too large particle sizes or stones are filtered out, and the screening efficiency is improved. And blockage caused by caking is avoided, the screening effect is accelerated, and therefore the sand filling operation efficiency is improved.

This invention provides a self-triggered reinforcement structure and method for coral sand foundations under seismic loading. The structure includes a shell, a core, an induction excitation system, an oil-secreting module, and a pressure spraying system. The core is located inside the shell cavity and a weak magnet is fixed on it. The induction excitation system includes a MEMS accelerometer chip, a Hall effect chip, and an iron core. A coil is mounted on the iron core. The MEMS accelerometer chip and the Hall effect chip are used to monitor the seismic magnetic effect and acceleration variations. When the seismic magnetic effect occurs and the acceleration exceeds a threshold, the coil and the iron core become electromagnets with the same polarity as the weak magnet, and the core is inserted into the soil for reinforcement. The oil-secreting module is used to reduce the friction between the core and the shell, and the pressure spraying system is used to cause the reinforcement grout inside the shell to overflow for reinforcement. This invention can monitor the dynamic load state in real time. Through the self-triggered core structure in the pressure spraying system and induction excitation system, the surrounding soil of the reinforced structure is actively grouted and reinforced to form a vertical reinforcement structure.

The application discloses a sand bucket water pumping and sand discharging pipeline system and a construction process thereof, and belongs to the technical field of pipeline systems. The sand bucket water pumping and sand discharging pipeline system comprises a sand bucket body fixed on a ship deck through a fixing rod, and further comprises: a sand pumping and discharging part, the sand pumping and discharging part comprising a first deck pump and a second deck pump arranged on the ship deck, the first deck pump being connected with a first discharging pipe, and the second deck pump being connected with a second discharging pipe; a water pumping part, the water pumping part comprising a submersible pump and a submarine pump arranged in the interior of a ship bridge; and a pumping and discharging pipeline assembly. The application realizes flexible switching among three modes of the first deck pump, the second deck pump and the submarine pump in parallel connection, series connection of double pumps and series connection of three pumps by modifying the existing cutter suction dredger, integrating the pumping and discharging pipeline assembly and the cross connection pipeline, improves operation production efficiency, reduces production cost, and is suitable for the environmental protection construction scene of short discharging distance and large output or long discharging distance and precise conveying.

To provide a work device capable of effectively compacting landfill material. [Solution] The work apparatus comprises a discharge device capable of holding the landfill material and releasing the held landfill material toward the seabed, a frame-shaped member having a hollow portion and positioned below the discharge device, and a pressing device that presses the landfill material with the discharge device while the frame-shaped member surrounds the landfill material.

The application discloses a filling structure, which comprises a cross beam and a support assembly for supporting the beam, and the support assembly is suitable for being supported on a bearing layer. The application can be used for replacing the throwing and filling of stones to form a filling structure in the process of blasting and extruding silt in a coastal soft soil foundation, thereby saving stones, shortening a construction period and saving cost. The application also relates to a continuous filling structure, a dam structure and a method for blasting and extruding silt.

This invention discloses a method for improving coastal wetland habitats and ecologically restoring bird habitats, comprising the following steps: breaking dikes and removing weirs to dredge waterways and promote the connection of wetland water systems; constructing a certain number of bird habitat islands at a ratio of 1-2 per 10,000 square meters; moving soil to build dikes and constructing wetland embankments to meet the water level requirements of different bird habitats; vegetation regulation, gradually cutting Spartina alterniflora to restore the wetland food chain; wherein, 3-5 layers of slope protection baskets are laid around the habitat islands, and amphibians favored by birds are planted in the baskets, while halophytes are planted on the islands to form a natural wetland community, within which protected bird nests are placed; wetland plants are planted on the wetland embankments, and depressions are naturally formed between the dikes, where aquatic plants are planted. Implementing this technical solution can improve the habitat of coastal wetlands, promote the rapid recovery of native plants and the improvement of the food chain, and provide wetland birds with a diverse vegetation, stable food sources, and a suitable habitat for breeding.

The application relates to an automatic speed regulation and grouting adjustment system for deep mixing pile construction in a reclamation area, and the main steps include the following: firstly, a multi-modal sensing system is configured and installed (S101) to monitor key parameters of a construction site in real time, including torque, energy consumption, grouting pressure and stratum permeability; a data acquisition and fusion module is constructed (S102) to integrate multi-sensor data and form a real-time mapping of stratum-construction parameters; a relationship model (S103) of stratum input and stratum response is established through an extended Kalman filter (EKF) and a model predictive control (MPC) algorithm to intelligently evaluate stratum compactness and grouting quality; a feedback closed-loop regulation HFB system (S104) is based to realize real-time self-adaptive adjustment of mixing speed, grouting amount and construction pressure and realize precise control; through construction data storage and self-learning optimization (S105), the system records all construction data and improves long-term construction precision through deep reinforcement learning optimization control algorithm.

The invention relates to a trailing suction dredger accurate shallow dredging control method, which comprises the following steps of S1, measuring and collecting multi-source underwater topography and underwater three-dimensional soil data through multi-beam sounding, side scan sonar, shallow stratum section, shallow stratum drilling, seismograph and other equipment in a linkage manner; the underwater terrain and the underwater three-dimensional soil layer after dredging and loading operation are reconstructed by server-side integrated software; s2, the system automatically identifies and identifies shallow points according to the reconstructed underwater terrain and the underwater three-dimensional soil layer and the set shallow point specification and then automatically plans a shallow sweeping path, an intelligent navigation controller accurately controls a ship, an intelligent dredging controller automatically controls shallow sweeping operation equipment, and the optimal construction parameters corresponding to the current soil texture are used for constructing the shallow sweeping path according to the optimal construction parameters corresponding to the current soil texture. And enabling the cake head to perform automatic shallow-sweeping operation along the shallow-sweeping path. According to the method, it is ensured that the rake head can be accurately aligned with the shallow point in the shallow sweeping process, the shallow sweeping operation accuracy is remarkably improved, the situations of omission and repeated shallow sweeping are reduced, the shallow sweeping operation efficiency is improved, and the manual operation cost and risk are reduced.

To provide an ash mortar that can secure a normal slope in a normal slope part of a submerged structure without using an additive and can ensure fluidity required for pumping during construction, and to provide a method for constructing an underwater structure using the ash mortar.SOLUTION: An ash mortar is a mixture of a solidification material, a coal ash and water to form an underwater structure 10A having a normal slope part 3A. The coal ash is composed of: a fly ash as a main component; and a clinker ash as a secondary component.SELECTED DRAWING: Figure 1

The invention relates to dredging, driving and measuring integrated intelligent control system and method for a trailing suction hopper dredger. The system is composed of a decision-making layer, a control layer, a data sensing layer and an execution layer. The decision-making layer is composed of a server and a plurality of data terminals; dredging, driving and testing intelligent control integrated software is installed in the server and used for underwater terrain and underwater three-dimensional soil layer reconstruction and three-dimensional visualization, dredging construction full-operation cycle path planning, dredging operation parameter monitoring and recording and optimal construction parameters based on an artificial intelligence large model and classified according to different soil properties, and the optimal construction parameters are automatically obtained and output to a control layer. Unmanned intelligent dredging operation of the trailing suction dredger in the whole operation period is realized; the data sensing layer is composed of a visual sensor, an auditory sensor, an equipment monitoring sensor and the like and an underwater terrain self-testing system, and is used for monitoring ship overwater and underwater environments, ship equipment and dredging operation related parameters; and the control layer is used for receiving the instruction sent by the decision-making layer and controlling the dredging operation equipment of the execution layer to perform automatic dredging operation. The dredging operation efficiency and accuracy are effectively improved, and the labor cost and the operation risk are reduced.

The application provides a wading bridge cofferdam integrated construction process and belongs to the field of building construction.The technical scheme is as follows: S1, erecting a construction road; S2, using the road to insert and drive a lock steel pipe pile cofferdam, a Larsen IV steel sheet pile cofferdam, a water pipe culvert cofferdam, and erecting a construction platform, inserting and driving a Larsen VI steel sheet pile cofferdam to form a slurry pool; S3, erecting a water convenient bridge; S4, on the construction platform, carrying out bridge pile foundation construction, drilling and piling; S5, backfilling a foundation pit and removing the lock steel pipe pile cofferdam; S6, in other bridge construction stages, removing the construction platform and the water pipe culvert after the completion of the bridge upper bent cap construction, leaving a staggered lane; S7, removing the construction road, using an excavator to return the silt on the upper part of the opposite pull support to the river channel, and removing the opposite pull support.The application has the beneficial effects that the foundation pit, the construction platform, the road and the slurry pool are in close contact and exchange with the river channel through the steel cofferdam, and the pollution to the river channel in the construction process is avoided.

The invention relates to the field of water area dredging equipment, in particular to an underwater boulder crusher, a dredging hydraulic reclamation method and a cutter suction dredger, the crusher comprises a shell and two tooth rollers arranged in the shell at intervals, the axes of the two tooth rollers are parallel, and a plurality of cutter teeth are arranged on the two tooth rollers along the axes of the tooth rollers; a hydraulic motor located on the outer side of the shell is arranged at one end of the tooth roller, and the tooth roller and the cutter teeth can rotate oppositely under driving of the hydraulic motor. The crusher is connected to the sludge suction pipe, so that the inlet end and the outlet end of the crusher are respectively communicated with the sludge suction pipe, and the difference between the area of the cross section, perpendicular to the inlet end of the crusher and towards the outlet end, of the inner cavity of the shell and the area of projections of the tooth rollers and the cutter teeth on the cross section is larger than or equal to the radial overflowing area of the sludge suction pipe. When the crusher works underwater, the crusher not only can crush stones, but also can enable silt, water and the stones to have enough initial flow to continuously suck mud, so that the single-time pump starting period can be prolonged, and the situation that the efficiency is reduced due to multiple times of pump stopping and cleaning caused by frequent pipe blocking is avoided.

The construction method for improving the self-standing and stability of an open type shallow buried steel structure dam body island cofferdam belongs to the technical field of water conservancy and municipal engineering. In view of the defects of self-standing and stability caused by the fact that the open type steel structure dam body island cofferdam cannot be closed in a ring and the shallow buried anchoring is insufficient, the application constructs a water level natural balance initial state through reserving upstream and downstream ports, and solves the problems of insufficient shallow buried anchoring and uneven initial stress by synchronous filling. Combined with the change law of river tides, layered and collaborative filling is implemented, the sand and gravel layer is naturally compacted by using the advance and retreat of tides, and the dependence on additional ramming equipment is reduced. By reasonably controlling the filling height difference inside and outside the dam body, a compression and tension composite stress system is constructed, a self-balancing system of compression and tension composite stress is formed, and the defects of the open structure closed loop are effectively made up. The method effectively improves the self-standing and stability of the dam body, takes into account the economy and efficiency, adapts to complex geological and hydrological conditions, and is suitable for large-span and long linear construction sites.

The utility model relates to the technical field of port and waterway engineering and water conservancy and hydropower engineering, and aims to provide a filling reclamation soft foundation dike structure which comprises a drainage cushion layer, a plurality of plastic drainage plates and a dike body ridge body, the drainage cushion layer is used for being laid on a soft foundation, the lower ends of the plastic drainage plates penetrate through the drainage cushion layer to enter the soft foundation, and the lower ends of the plastic drainage plates penetrate through the drainage cushion layer to enter the dike body ridge body. At least multiple layers of geotechnical reinforced sand bags are laid on the drainage cushion layer to form a bag body structure, the side, located on the upstream side, of the bag body structure is a slope, the dike body edge body is arranged on the bag body structure, and inverted filter layers are arranged on the surfaces of the sides, located on the upstream side, of the geotechnical reinforced sand bags and the dike body edge body. And land reclamation materials are filled on the inner sides of the geotechnical reinforced sand bags and the levee body prisms. The causeway structure has the advantages that the occupied area of the outer side of the causeway is obviously reduced, the land reclamation area is effectively increased, the land economic benefit is improved, and the causeway project cost is reduced.

The present application relates to a kind of woven geotextile combined vacuum preloading method processing dredged soil system, including dredged soil filling pond, pumping pipeline system, woven geotextile drainage layer and vacuum pumping device, the dredged soil filling pond is filled with dredged soil, multiple woven geotextile drainage layer is sequentially laid in dredged soil according to certain interval, the woven geotextile drainage layer is composed of multiple layers of woven geotextile layer layer by layer superposition, multiple layers of woven geotextile form dredged soil drainage channel, and woven geotextile drainage layer is connected with external vacuum device through multiple hand joints via pumping pipeline system.The system uses woven geotextile drainage layer to cover whole layer of dredged soil as drainage channel, greatly increases drainage area, while woven geotextile has good drainage performance and moisture conducting performance, enhances the rate and drainage effect of drainage, improves construction efficiency.