Design and construction method of data center for connecting steel cylinder and submarine pipe gallery

Abstract

The invention discloses a data center design and construction method for connecting a steel cylinder and a submarine pipe gallery, and belongs to the technical field of submarine data center construction. The steel cylinder and the submarine pipe gallery are connected through a special connecting structure, and meanwhile, a design method and a construction method for connecting the steel cylinder connected with the sea surface and the submarine pipe gallery are provided; the data center built by the method can transfer personnel and materials on the sea surface and the seabed through connection of the steel cylinder and the seabed pipe gallery, and the problem that connection and transfer of the seabed data center and shore-based resources are difficult is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of submarine data center construction, and in particular to a design and construction method of a data center connecting a steel cylinder with a submarine pipeline gallery. Background Art

[0002] The submarine data center is an important part of the "new infrastructure". When using the submarine corridor structure for construction, it is necessary to solve the problem of connecting the submarine data center with the shore base to enable the entry and exit of personnel, vehicles and equipment. At present, there is no construction plan that can completely solve this problem. At the same time, the project needs to cross seas of different depths. The settlement control of various structures under complex geological conditions is a major difficulty in engineering construction, and there is relatively little research on it.

[0003] Starting from the connection between the steel cylinder foundation and the submarine corridor, the design and construction methods of the data center are studied to solve the difficulties in connecting the submarine data center with shore-based resources. A design and construction method for a data center connecting the steel cylinder and the submarine corridor is proposed. This method can effectively deal with the problem of connecting the submarine data center with the shore-based connection, and has promotion and application value for the construction of submarine data centers. Summary of the invention

[0004] In order to overcome the problems existing in the above technologies, the present invention provides a design and construction method for a data center in which a steel cylinder is connected to a submarine pipeline gallery, wherein the data center comprises:

[0005] Submarine pipe gallery S1; steel cylinder S2; connection structure between steel cylinder and submarine pipe gallery S3; data cabin S4;

[0006] The submarine corridor S1 comprises: the submarine corridor is composed of a circular and square box-type structure, the side of the corridor is opened, and the corridor is connected to the data cabin through the opening by a flange connection; the flange connection is a mechanical method for connecting pipelines and equipment;

[0007] The steel cylinder S2 comprises: a large diameter steel structure cylinder, a partition wall is used inside the steel cylinder structure to realize internal compartment arrangement, and the compartment arrangement includes: arranging a wave-blocking structure and a vehicle transfer structure;

[0008] The steel cylinder and submarine pipeline corridor connection structure S3 includes: the connection is achieved by a combination of flange connection, concave-convex structure, water stop structure, prestressed cable and anchor structure;

[0009] The data cube S4 includes: the data cube shell is made of high-strength alloy material, the shell is usually spherical and cylindrical, and the server cluster, collection equipment and drainage pipelines are placed inside.

[0010] Design methods include:

[0011] S10. The steel cylinder is erected and fixed in the seawater, and the steel cylinder is divided into compartments. Different compartments are equipped with equipment of different functions, so that the steel cylinder meets the load requirements of people and vehicles and realizes the transfer function of people, vehicles and maintenance equipment; the double-layer steel shell is designed with cast-in-place concrete to realize ballasting, and a wave-blocking structure is arranged on the cylinder structure to realize the stress and deformation stability of the steel cylinder structure under the marine environment and earthquake; a special connection structure section is set at an appropriate height where the steel cylinder is exposed to the seabed to connect with the submarine corridor section. The design requires that the special connection structure section is consistent with the submarine corridor section, and under the condition that the docking error requirements are met, the special connection structure section is larger than the submarine corridor section in diameter;

[0012] S20. Through the construction of the lower foundation of the submarine corridor and the reinforcement of the submarine corridor connected to the steel cylinder, the overall structure of the submarine corridor is stabilized under the force and deformation of the marine environment and earthquakes, and all structural design functions of the internal vehicle passage, pipeline passage, ventilation, lighting and ladder design required for personnel to go up and down are achieved on the basis of overall structural stability;

[0013] S30, after the steel cylinder structure and the submarine corridor are connected, multiple data cubes are connected to the side of the submarine corridor by flange connection.

[0014] Construction methods include:

[0015] S100, realize the offshore construction of the steel cylinder; S200, realize the lower foundation construction of the submarine corridor; S300, realize the underwater installation of the submarine corridor; S400, the connection construction of the submarine corridor and the steel cylinder structure; S500, the connection construction of the submarine corridor and the data cabin.

[0016] Specifically, the data center also includes: selection of the location of the data center; wherein, the location of the steel cylinder selects a soil layer and a gravel foundation with a stable foundation; the location of the corridor structure selects a geologically continuous and uniform sea area, and the location of the corridor structure is determined by calculating the stratum discontinuity coefficient; the stratum discontinuity coefficient refers to using the length parameter of the corridor structure as the required range, calculating the position of the bearing layer including sand, clay, and strongly weathered soil, calculating the long-term settlement assessment parameters through numerical simulation, and taking the seabed range where the long-term settlement assessment parameters meet the construction requirements as the construction location.

[0017] Specifically, the steel cylinder S2 includes: the outer layer of the steel cylinder is ballasted by a double-layer steel shell with cast-in concrete; the inner layer is divided into compartments using I-beams and steel plates, and the compartment layout also includes elevator shafts and safety ladder shafts to facilitate the transfer of people and goods between the sea surface and the seabed; at the same time, ballast concrete is arranged at the bottom of the outer ballast tank, and ballast water is used for ballasting on the upper part to ensure the stability of the steel cylinder in the water.

[0018] Specifically, the steel cylinder S2 also includes: a special connection structure and a connection method for connecting with the submarine pipeline gallery; first, a special connection structure is set at an appropriate height where the steel cylinder is exposed from the seabed, and the cross-section of the special connection structure is consistent with the cross-section of the submarine pipeline gallery. While ensuring that the docking error requirements are met, the cross-section of the special connection structure is larger than the cross-section of the submarine pipeline gallery; secondly, the side wall of the special connection structure is consistent with the position of the steel structure partition wall, and a reinforcement structure is arranged between the special connection structure and the outer wall of the steel cylinder to ensure reasonable force transmission and stable force transmission transition; finally, the special connection structure adopts GINA waterstop and OMEGA waterstop, and has a built-in OMEGA waterstop mounting part to realize the installation and connection of the second waterstop; the special connection structure has a built-in prestressed cable anchor plate to realize the connection between the special connection structure and the submarine pipeline gallery and test prestress, so as to achieve the purpose of enhancing the pressure of the waterstop and stopping water.

[0019] Specifically, the design method also includes: calculating geological reinforcement assessment parameters, conducting foundation reinforcement design, determining the reinforcement treatment amount of the poor foundation, and optimizing it as a parameter for scheme optimization; the geological reinforcement assessment parameters are determined by comprehensively analyzing the geological conditions to determine whether reinforcement measures are needed; the method for assessment and reinforcement is: first, calculating the standard deviation parameters of each soil layer, when the standard deviation difference exceeds the standard deviation difference threshold of the engineering standard. The standard deviation is used as input to evaluate the cost of foundation reinforcement; secondly, the foundation treatment range and reinforcement amount are determined according to the width and depth of the foundation to be reinforced, and the foundation is treated by crushing stones; when performing mixing treatment, the mixing pile spacing, depth and diameter parameters are determined, and the total mixing pile reinforcement amount is determined; finally, according to the reinforcement amount of each type of foundation, the location of the steel cylinder and the pipe gallery is determined; generally, the area with low reinforcement amount and reinforcement cost is selected as the location of the steel cylinder and the pipe gallery.

[0020] Specifically, the method of erecting and fixing the steel cylinder in the seawater includes: analyzing the depth of the steel cylinder into the soil and optimizing the anti-floating analysis of the steel cylinder; wherein, the analysis of the depth of the steel cylinder into the soil includes: calculating the deadweight of the steel cylinder, all weights during operation, the buoyancy of the steel cylinder and the pull-out bearing capacity of the steel cylinder according to the preset steel cylinder diameter, thickness, height and depth of soil, and then calculating the anti-floating coefficient; the deadweight of the steel cylinder includes the weight of the underwater cast concrete used for water stopping; adjusting the soil depth until the soil depth meets the anti-floating requirements; optimizing the anti-floating analysis of the steel cylinder: first, according to the preset steel cylinder structure and steel pile section parameters, calculate the steel cylinder The deadweight and ballast parameters are used to calculate the average foundation load of the steel cylinder, and the anti-floating coefficient of the steel cylinder is calculated with the load and ballast as input parameters; secondly, the compressive bearing capacity and pull-out bearing capacity of the steel pile foundation outside the steel cylinder are calculated, and divided by the overall deadweight of the steel cylinder to obtain the anti-floating lifting coefficient; finally, the anti-floating coefficient and the anti-floating lifting coefficient are multiplied, and it is judged whether the preset requirements are met based on the multiplication result; the preset requirements refer to the preset thresholds obtained based on the safety standards and performance specified in the relevant engineering standards and specifications. If the multiplication result is greater than or equal to the preset threshold, it is proved that the design meets the safety standards.

[0021] Specifically, the construction method includes: S100, realizing offshore construction of the steel cylinder includes: S101, drilling a hole in the steel cylinder in a factory, welding the outside of the special connection structure to weld the butt end face of the special connection structure to the preset position of the steel cylinder with the hole; S102, transporting the steel cylinder to the construction sea area by a large ship, erecting and hoisting it by a crane ship, and installing multiple vibrating hammers and an integral replacement hammering structure; S103, the crane ship hoists the steel cylinder to a preset position, and hammers it to a preset depth on the seabed by a vibrating hammer. After hammering, the top of the upper part of the steel cylinder is exposed to the sea surface, which is convenient for the transfer of people and equipment on the seabed and the sea surface; S104, extracting the soil at a preset depth in the steel cylinder, and pouring underwater concrete; S105. When the underwater concrete solidification strength reaches the preset standard, extract the water in the steel cylinder to carry out bottom waterproof dry construction, and weld the bottom plate frame beam and bottom steel plate to achieve permanent bottom water stopping; S106. Install the inner wall and partition wall, and the inner partition cabin wall; the installed wall is composed of I-beams, steel plates and stiffening ribs; S107. Install the special connection structure, install the OMAGA waterstop fixed steel ring and prestressed cable anchor plate to the preset position respectively, and install other ancillary facilities; S108. Construction of the common pressure-bearing and anti-pulling structure on the outside of the steel cylinder: carry out steel structure pile foundation construction; install the common pressure-bearing main beam, and weld the main beam to the steel cylinder and steel piles at the same time; weld and install the secondary beam between the steel piles; The above S200, construction of the lower foundation of the submarine corridor includes: excavation and piling in the selected area, construction of pile foundations and caissons, pouring of concrete and foundation reinforcement; the above S300, installation of the submarine corridor in the sea includes: installation by barge sinking method, when the submarine corridor floats in the sea, two barges are arranged at both ends, the barges are moored at 4 points in the sea, and two winches are arranged on each end to realize water injection and sinking of the submarine corridor to the base bed; the above S400, connection construction of the submarine corridor and the steel cylinder structure includes: S401, using barge to move, move the submarine corridor on the surface of the base bed, and press the water stop belt on the end face of the special connection structure of the steel cylinder to achieve preliminary water stopping; S402, carry out internal connection of the steel cylinder foundation Pump water, and use the barge to continuously twist and shift to make the end face waterstop of the submarine corridor contact the butt end of the steel cylinder, and use the barge to continuously twist and shift and apply a preset preload, which is determined by the design pressure, water pressure, construction conditions and safety factor; S403, pump water in the cavity of the butt end, and use the water pressure to further compact the waterstop; S404, after the pumping and compaction is completed, use the four anchor points including the shore control winch and the shipboard winch to connect the end face of the submarine corridor, continuously apply the preset pressure, and fix the equipment including the shore control winch and the shipboard winch, keep the pressure unchanged, and fix the submarine corridor; S405, remove the end face of the special connection structure and the end face of the submarine corridor in the steel cylinder, and install the OMEGA waterstop through the embedded parts;S406, connect and install the prestressed steel cable of the submarine corridor and the special connection structure of the steel cylinder, and tension the prestress to compress the GINA water stop to the preset amount; S407, install the shear key of the submarine corridor and the special connection structure to ensure the overall shear resistance of the submarine corridor and the steel cylinder structure; the connection construction of the submarine corridor and the data cabin in S500 includes: S501, docking the submarine corridor and the data cabin, using welding and bolting methods to ensure the sealing and stability of the interface; S502, sealing the connection parts to prevent the infiltration of moisture, soil and other foreign substances; S503, transporting the cabin equipment including server clusters, ladders and monitoring equipment from the sea surface through the steel cylinder, and completing the installation of the cabin equipment. ;

[0022] The beneficial effects of the present invention are:

[0023] The present invention provides a method for designing and constructing a data center connected with a steel cylinder and a submarine pipeline gallery, and the method has the following advantages: the present invention provides a method for connecting a large-diameter steel cylinder and a submarine pipeline gallery, and provides a method for designing and constructing a data center based on the connection between the steel cylinder and the submarine pipeline gallery; the data center constructed by the method can easily transfer personnel and materials through the connection between the steel cylinder and the submarine pipeline gallery, thus solving the problem of connecting the submarine data center with shore-based resources; after the pipeline gallery cabin is connected, equipment such as a server cluster is transported from the sea surface of the steel cylinder to the pipeline gallery, and the equipment is installed, which is safer than installing the equipment in the cabin in advance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 : Schematic diagram of the data center composition of the present invention.

[0025] Figure 2 : Flow chart of the design method of the present invention.

[0026] Figure 3 : Flow chart of the construction method of the present invention. DETAILED DESCRIPTION

[0027] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments given here are only used to illustrate and explain the present invention, and cannot be used to limit the present invention.

[0028] like Figure 1 As shown: is a schematic diagram of the composition of the data center of the present invention; the schematic diagram includes: a submarine corridor S1; a steel cylinder S2; a connecting structure S3 between the steel cylinder and the submarine corridor; and a data cabin S4.

[0029] In the above embodiment, specifically, the submarine corridor S1 includes: the submarine corridor is composed of a box-type structure including a circular and a square shape, the side of the corridor is opened, and the corridor is connected to the data cabin through the opening by a flange connection; the flange connection is a mechanical method for connecting pipelines and equipment.

[0030] In the above embodiment, specifically, the steel cylinder S2 includes: a large diameter steel structure cylinder, and a partition wall is used inside the steel cylinder structure to realize internal compartment layout, and the compartment layout includes: arranging a wave-blocking structure and a vehicle transfer structure.

[0031] In the above embodiment, specifically, the steel cylinder and submarine pipeline corridor connection structure S3 includes: the connection is achieved by a combination of flange connection, concave-convex structure, water stop structure, prestressed cable and anchoring structure.

[0032] In the above embodiment, specifically, the data cube S4 includes: the data cube shell is made of high-strength alloy material, the shell is usually spherical and cylindrical, and the server cluster, collection equipment and drainage pipelines are placed inside.

[0033] In the above embodiment, specifically, the data center also includes: location selection of the data center; wherein, the location of the steel cylinder selects a soil layer and a gravel foundation with a stable foundation; the location of the corridor structure selects a geologically continuous and uniform sea area, and the location of the corridor structure is determined by calculating the stratum discontinuity coefficient; the stratum discontinuity coefficient refers to using the length parameter of the corridor structure as the required range, calculating the position of the bearing layer including sand, clay, and strongly weathered soil, calculating the long-term settlement assessment parameters by numerical simulation, and taking the seabed range where the long-term settlement assessment parameters meet the construction requirements as the construction location.

[0034] In the above embodiment, specifically, the steel cylinder S2 includes: the outer layer of the steel cylinder is ballasted by a double-layer steel shell with cast-in concrete; the inner layer is divided into compartments using I-beams and steel plates, and the compartment arrangement also includes an elevator shaft and a safety ladder shaft to facilitate the transfer of people and goods between the sea surface and the seabed; at the same time, ballast concrete is arranged at the bottom of the outer ballast tank, and ballast water is used for ballasting on the upper part to ensure the stability of the steel cylinder in the water.

[0035] In the above embodiment, specifically, a special connection structure and a connection method for connecting with the submarine pipeline corridor are arranged; first, a special connection structure is set at an appropriate height where the steel cylinder is exposed from the seabed, and the cross-section of the special connection structure is consistent with the cross-section of the submarine pipeline corridor. While ensuring that the docking error requirements are met, the cross-section of the special connection structure is larger than the cross-section of the submarine pipeline corridor; secondly, the side wall of the special connection structure is consistent with the position of the steel structure partition wall, and a reinforcement structure is arranged between the special connection structure and the outer wall of the steel cylinder to ensure reasonable force transmission and stable force transmission transition; finally, the special connection structure adopts GINA waterstop and OMEGA waterstop, and has a built-in OMEGA waterstop mounting part to realize the installation and connection of the second waterstop; the special connection structure has a built-in prestressed cable anchor plate to realize the connection between the special connection structure and the submarine pipeline corridor and test prestress, so as to achieve the purpose of enhancing the pressure of the waterstop and stopping water.

[0036] In the above embodiment, preferably, a channel is opened at an appropriate height where the steel cylinder is exposed from the seabed, and a special connecting structure is arranged through the channel. After the arranged special connecting structure is connected to one end of the submarine pipeline gallery, it does not affect the fixation of the submarine pipeline gallery to the seabed, thereby ensuring the stability of the submarine pipeline gallery; the special connecting structure can be set as a hatch connecting the steel cylinder and the submarine pipeline gallery, or it can be set to connect the steel cylinder and the submarine pipeline gallery through a shorter channel, and waterproof treatment is performed by GINA waterstop and OMEGA waterstop to ensure the safety of the hatch and the channel after connection.

[0037] like Figure 2 The flowchart of the design method of the present invention is shown in FIG. 1 , which includes: S10, erecting and fixing the steel cylinder in the seawater, dividing the steel cylinder into compartments, arranging equipment with different functions in different compartments, so that the steel cylinder meets the load requirements of people and vehicles, and realizes the transfer function of people, vehicles and maintenance equipment; ballast is realized by designing a double-layer steel shell with cast-in concrete, and a wave-blocking structure is arranged on the cylinder structure, so that the stress and deformation stability of the steel cylinder structure under the marine environment and earthquake action is realized; a special connection structure section is arranged at an appropriate height where the steel cylinder is exposed to the seabed to connect with the submarine corridor section, and the design requires that the special connection structure section and the submarine corridor section are connected. The surface is consistent, and under the condition of meeting the docking error requirements, the cross-section of the special connection structure is larger than the cross-section diameter of the submarine corridor; S20, through the construction of the lower foundation of the submarine corridor and the reinforcement operation of the submarine corridor connected with the steel cylinder, the overall structure of the submarine corridor is stable in stress and deformation under the marine environment and earthquake, and all the structural design functions of the internal vehicle channel, pipeline channel, ventilation, lighting functions and the ladder design required for people to go up and down are achieved on the basis of overall structural stability; S30, after connecting the steel cylinder structure and the submarine corridor, multiple data cabins are connected to the side of the submarine corridor by flange connection.

[0038] In the above embodiment, specifically, the design method also includes: calculating geological reinforcement evaluation parameters, performing foundation reinforcement design, determining the reinforcement treatment amount of the poor foundation, and optimizing it as a parameter for scheme optimization; the geological reinforcement evaluation parameters are determined by comprehensively analyzing the geological conditions to determine whether reinforcement measures are needed; the method for evaluation and reinforcement is: first, calculating the standard deviation parameters of each soil layer, when the standard deviation difference exceeds the standard deviation difference threshold of the engineering standard. The standard deviation is used as input to evaluate the cost of foundation reinforcement; secondly, the foundation treatment range and reinforcement amount are determined according to the width and depth of the foundation to be reinforced, and the foundation is treated by crushing stones; when performing mixing treatment, the mixing pile spacing, depth and diameter parameters are determined, and the total mixing pile reinforcement amount is determined; finally, according to the reinforcement amount of each type of foundation, the location of the steel cylinder and the pipe gallery is determined; generally, the area with low reinforcement amount and reinforcement cost is selected as the location of the steel cylinder and the pipe gallery.

[0039] In the above embodiment, specifically, erecting and fixing the steel cylinder in the seawater includes: analyzing the depth of the steel cylinder into the soil and optimizing the anti-floating analysis of the steel cylinder; wherein, the analysis of the depth of the steel cylinder into the soil includes: calculating the deadweight of the steel cylinder, all weights during the operation period, the buoyancy of the steel cylinder and the pull-out bearing capacity of the steel cylinder according to the preset steel cylinder diameter, thickness, height and burial depth, and then calculating the anti-floating coefficient; the deadweight of the steel cylinder includes the weight of the underwater cast concrete used for water stopping; adjusting the burial depth until the burial depth meets the anti-floating requirements; optimizing the anti-floating analysis of the steel cylinder: first, according to the preset steel cylinder structure and steel pile section parameters, calculate The deadweight and ballast parameters of the steel cylinder are used to calculate the average foundation load of the steel cylinder. The anti-floating coefficient of the steel cylinder is calculated using the load and ballast as input parameters. Secondly, the compressive bearing capacity and pull-out bearing capacity of the steel pile foundation outside the steel cylinder are calculated and divided by the overall deadweight of the steel cylinder to obtain the anti-floating lifting coefficient. Finally, the anti-floating coefficient and the anti-floating lifting coefficient are multiplied, and the result is used to determine whether the preset requirements are met. The preset requirements refer to the preset thresholds obtained based on the safety standards and performance specified in the relevant engineering standards and specifications. If the result is greater than or equal to the preset threshold, it proves that the design meets the safety standards.

[0040] like Figure 3 As shown: is a flow chart of the construction method of the present invention; the flow chart includes: S100, realizing offshore construction of the steel cylinder; S200, realizing lower foundation construction of the submarine corridor; S300, realizing underwater installation of the submarine corridor; S400, connection construction of the submarine corridor and the steel cylinder structure; S500, connection construction of the submarine corridor and the data cabin.

[0041] In the above embodiment, specifically, S100, realizing offshore construction of the steel cylinder includes: S101, drilling a hole in the steel cylinder in the factory, welding the outside of the special connection structure to weld the butt end face of the special connection structure to the preset position of the steel cylinder with the hole; S102, transporting the steel cylinder to the construction sea area by a large ship, erecting and hoisting it by a crane ship, and installing multiple vibrating hammers and an integral replacement structure; S103, the crane ship hoists the steel cylinder to a preset position, and hammers it to a preset depth on the seabed by a vibrating hammer. After hammering, the top of the upper part of the steel cylinder is exposed to the sea surface, which is convenient for the transfer of people and equipment on the seabed and the sea surface; S104, extracting the soil at a preset depth in the steel cylinder, and pouring underwater concrete; S105. When the underwater concrete solidification strength reaches the preset standard, extract the water in the steel cylinder to carry out bottom waterproof dry construction, and weld the bottom plate frame beam and bottom steel plate to achieve permanent bottom water stopping; S106. Install the inner wall and partition wall, and the inner partition cabin wall; the installed wall is composed of I-beams, steel plates and stiffening ribs; S107. Install the special connection structure, install the OMAGA waterstop fixed steel ring and prestressed cable anchor plate to the preset position respectively, and install other ancillary facilities; S108. Construction of the common pressure-bearing and anti-pulling structure on the outside of the steel cylinder: carry out steel structure pile foundation construction; install the common pressure-bearing main beam, and weld the main beam to the steel cylinder and steel piles at the same time; weld and install the secondary beam between the steel piles.

[0042] In the above embodiment, specifically, the S200, realizing the lower foundation construction of the submarine pipeline gallery, includes: excavating and piling in the selected area, constructing pile foundations and caissons, pouring concrete and reinforcing the foundation.

[0043] In the above embodiment, specifically, the S300, realizing the installation of the submarine pipeline corridor in the sea, includes: adopting the barge sinking method for installation, when the submarine pipeline corridor floats in the sea, two barges are arranged at both ends, the barges are moored at 4 points in the sea, and two winches are arranged on each barge to realize the submarine pipeline corridor being filled with water in the sea and sinking to the base bed.

[0044] In the above embodiment, specifically, the connection construction of the submarine corridor and the steel cylinder structure in S400 includes: S401, using a barge to move the submarine corridor on the surface of the base bed, and pressing the waterstop belt on the end face of the special connection structure of the steel cylinder to achieve preliminary water stopping; S402, pumping water from the steel cylinder foundation, and using the barge to continuously move the waterstop belt on the end face of the submarine corridor to contact the butt end of the steel cylinder, using the barge to continuously move and apply a preset preload, and the preset preload is jointly determined by the design pressure, water pressure, construction conditions and safety factor; S403, pumping water from the cavity of the butt end, and using the water pressure to further tighten the waterstop belt; S404 1. After the pumping and compaction is completed, use the four anchor points including the shore control winch and the ship's winch to connect the end face of the submarine corridor, continuously apply the preset pressure, and fix the equipment including the shore control winch and the ship's winch to keep the pressure constant and fix the submarine corridor; S405. Remove the end face of the special connection structure and the end face of the submarine corridor in the steel cylinder, and install the OMEGA waterstop through the embedded parts; S406. Connect and install the prestressed steel cable of the special connection structure of the submarine corridor and the steel cylinder, and tension the prestress to compress the GINA waterstop to the preset amount; S407. Install the shear keys of the submarine corridor and the special connection structure to ensure the overall shear resistance of the submarine corridor and the steel cylinder structure.

[0045] In the above embodiment, specifically, the connection construction of the submarine corridor and the data cabin in S500 includes: S501, docking the submarine corridor and the data cabin, using welding and bolting methods to ensure the sealing and stability of the interface; S502, sealing the connection parts to prevent the infiltration of moisture, soil and other foreign substances; S503, transporting the cabin equipment including: server clusters, ladders and monitoring equipment from the sea surface through steel cylinders, and completing the installation of the cabin equipment.

[0046] In the above embodiments, preferably, through the data center composed of the steel cylinder, submarine pipeline gallery and data cube of the present invention, vehicles, people and related equipment can be transported to the seabed by elevator through the steel cylinder entrance on the sea surface, and then the server cluster and the like can be transported to the data cube through the submarine pipeline gallery through the docking channel; during the operation of the data cube, the staff can enter the submarine data cube through the steel cylinder from the sea surface at any time to confirm that the data cube is working normally; therefore, the present invention establishes a connection from the sea surface to the submarine data cube through the connection of the steel cylinder and the submarine pipeline gallery, realizes the connection between the submarine data center and the shore-based resources, and makes the equipment transportation, personnel transfer and equipment maintenance of the submarine data cube simple.

[0047] It should be understood that the above-mentioned embodiments are one or more embodiments of the present invention, and there are many other embodiments and variations thereof based on the present invention; the variations and modifications made by ordinary technicians in this industry through the present invention without making pioneering innovations all fall within the scope of protection of the present invention.

Claims

1. A design and construction method for a data center connecting a steel cylinder to a submarine pipeline gallery, characterized in that: The data center includes: Submarine pipe gallery S1; steel cylinder S2; connection structure between steel cylinder and submarine pipe gallery S3; data cabin S4; The submarine corridor S1 comprises: the submarine corridor is composed of a circular and square box-type structure, the side of the corridor is opened, and the corridor is connected to the data cabin through the opening by a flange connection; the flange connection is a mechanical method for connecting pipelines and equipment; The steel cylinder S2 comprises: a large diameter steel structure cylinder, a partition wall is used inside the steel cylinder structure to realize internal compartment arrangement, and the compartment arrangement includes: arranging a wave-blocking structure and a vehicle transfer structure; The steel cylinder and submarine pipeline corridor connection structure S3 includes: the connection is achieved by a combination of flange connection, concave-convex structure, water stop structure, prestressed cable and anchor structure; The data cube S4 includes: the data cube shell is made of high-strength alloy material, the shell is usually spherical and cylindrical, and the server cluster, collection equipment and drainage pipeline are placed inside; Design methods include: S10. The steel cylinder is erected and fixed in the seawater, and the steel cylinder is divided into compartments. Different compartments are equipped with equipment of different functions, so that the steel cylinder meets the load requirements of people and vehicles and realizes the transfer function of people, vehicles and maintenance equipment; the double-layer steel shell is designed with cast-in-place concrete to realize ballasting, and a wave-blocking structure is arranged on the cylinder structure to realize the stress and deformation stability of the steel cylinder structure under the marine environment and earthquake; a special connection structure section is set at an appropriate height where the steel cylinder is exposed to the seabed to connect with the submarine corridor section. The design requires that the special connection structure section is consistent with the submarine corridor section, and under the condition that the docking error requirements are met, the special connection structure section is larger than the submarine corridor section in diameter; S20. Through the construction of the lower foundation of the submarine corridor and the reinforcement of the submarine corridor connected to the steel cylinder, the overall structure of the submarine corridor is stabilized under the force and deformation of the marine environment and earthquakes, and all structural design functions of the internal vehicle passage, pipeline passage, ventilation, lighting and ladder design required for personnel to go up and down are achieved on the basis of overall structural stability; S30, after the steel cylinder structure and the submarine corridor are connected, multiple data cubes are connected to the side of the submarine corridor by flange connection; Construction methods include: S100, realize the offshore construction of the steel cylinder; S200, realize the lower foundation construction of the submarine corridor; S300, realize the underwater installation of the submarine corridor; S400, the connection construction of the submarine corridor and the steel cylinder structure; S500, the connection construction of the submarine corridor and the data cabin.

2. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The data center also includes: location selection of the data center; wherein, the location of the steel cylinder selects a soil layer and a gravel foundation with a stable foundation; the location of the pipeline corridor structure selects a geologically continuous and uniform sea area, and the location of the pipeline corridor structure is determined by calculating the stratum discontinuity coefficient; the stratum discontinuity coefficient refers to using the length parameter of the pipeline corridor structure as the required range, calculating the position of the bearing layer including sand, clay, and strongly weathered soil, calculating the long-term settlement assessment parameters by numerical simulation, and taking the seabed range where the long-term settlement assessment parameters meet the construction requirements as the construction location.

3. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The steel cylinder S2 includes: the outer layer of the steel cylinder is ballasted by a double-layer steel shell with cast-in concrete; the inner layer is divided into compartments using I-beams and steel plates, and the compartment layout also includes elevator shafts and safety ladder shafts to facilitate the transportation of people and goods between the sea surface and the seabed; at the same time, ballast concrete is arranged at the bottom of the outer ballast tank, and ballast water is used for ballasting on the upper part to ensure the stability of the steel cylinder in the water.

4. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The steel cylinder S2 also includes: a special connection structure and a connection method for connecting with the submarine pipeline gallery; first, a special connection structure is set at an appropriate height where the steel cylinder is exposed from the seabed, and the cross-section of the special connection structure is consistent with the cross-section of the submarine pipeline gallery. While ensuring that the docking error requirements are met, the cross-section of the special connection structure is larger than the cross-section of the submarine pipeline gallery; secondly, the side wall of the special connection structure is consistent with the position of the steel structure partition wall, and a reinforcement structure is arranged between the special connection structure and the outer wall of the steel cylinder to ensure reasonable force transmission and stable force transmission transition; finally, the special connection structure adopts GINA waterstop and OMEGA waterstop, and has a built-in OMEGA waterstop installation part to realize the installation and connection of the second waterstop; the special connection structure has a built-in prestressed cable anchor plate to realize the connection between the special connection structure and the submarine pipeline gallery and test prestressing, so as to achieve the purpose of increasing the pressure of the waterstop and stopping water.

5. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The design method also includes: calculating geological reinforcement assessment parameters, conducting foundation reinforcement design, determining the reinforcement treatment amount of the poor foundation, and optimizing it as a parameter for scheme optimization; the geological reinforcement assessment parameters are to determine whether reinforcement measures are needed by comprehensively analyzing geological conditions; the method for assessment and reinforcement is: first, calculating the standard deviation parameters of each soil layer, when the standard deviation difference exceeds the standard deviation difference threshold of the engineering standard. The standard deviation is used as input to evaluate the cost of foundation reinforcement; secondly, the foundation treatment range and reinforcement amount are determined according to the width and depth of the foundation to be reinforced, and the foundation is treated by crushing stones; when performing mixing treatment, the mixing pile spacing, depth and diameter parameters are determined, and the total mixing pile reinforcement amount is determined; finally, according to the reinforcement amount of each type of foundation, the location of the steel cylinder and the pipe gallery is determined; generally, the area with low reinforcement amount and reinforcement cost is selected as the location of the steel cylinder and the pipe gallery.

6. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The method of erecting and fixing the steel cylinder in the seawater includes: analyzing the depth of the steel cylinder buried in the soil and optimizing the anti-floating analysis of the steel cylinder; wherein, the analysis of the depth of the steel cylinder buried in the soil includes: calculating the deadweight of the steel cylinder, all weights during operation, the buoyancy of the steel cylinder and the pull-out bearing capacity of the steel cylinder according to the preset diameter, thickness, height and buried depth of the steel cylinder, and then calculating the anti-floating coefficient; the deadweight of the steel cylinder includes the weight of the underwater cast concrete used for water stopping; adjusting the buried depth until the buried depth meets the anti-floating requirements; optimizing the anti-floating analysis of the steel cylinder: first, calculating the deadweight of the steel cylinder according to the preset steel cylinder structure and steel pile section parameters. The weight and ballast parameters are used to calculate the average foundation load of the steel cylinder, and the anti-floating coefficient of the steel cylinder is calculated with the load and ballast as input parameters; secondly, the compressive bearing capacity and tensile bearing capacity of the steel pile foundation outside the steel cylinder are calculated, and divided by the overall deadweight of the steel cylinder to obtain the anti-floating lifting coefficient; finally, the anti-floating coefficient and the anti-floating lifting coefficient are multiplied, and it is judged whether the preset requirements are met based on the multiplication result; the preset requirements refer to the preset thresholds obtained based on the safety standards and performance specified in the relevant engineering standards and specifications. If the multiplication result is greater than or equal to the preset threshold, it is proved that the design meets the safety standards.

7. The method for designing and constructing a data center connecting a steel cylinder to a submarine pipeline gallery according to claim 1, characterized in that: The construction method comprises: S100, realizing offshore construction of the steel cylinder comprises: S101, drilling a hole in the steel cylinder in a factory, welding the outside of the special connection structure to weld the butt end face of the special connection structure to the preset position of the steel cylinder with the hole; S102, transporting the steel cylinder to the construction sea area by a large ship, erecting and hoisting it by a crane ship, and installing multiple vibrating hammers and an integral replacement hammering structure; S103, hoisting the steel cylinder to a preset position by a crane ship, hammering it to a preset depth on the seabed by a vibrating hammer, after which the top of the steel cylinder is exposed to the sea surface, facilitating the transfer of people and equipment on the seabed and the sea surface; S104, extracting soil at a preset depth in the steel cylinder, and pouring underwater concrete; S10 5. When the underwater concrete solidification strength reaches the preset standard, extract the water in the steel cylinder to carry out bottom waterproof dry construction, and weld the bottom plate frame beam and bottom steel plate to achieve permanent bottom water stopping; S106. Install the inner wall and partition wall, and the inner partition cabin wall; the installed wall is composed of I-beams, steel plates and stiffening ribs; S107. Install the special connection structure, install the OMAGA waterstop fixed steel ring and prestressed cable anchor plate to the preset position respectively, and install other ancillary facilities; S108. Construction of the common pressure-bearing and anti-pulling structure on the outside of the steel cylinder: carry out steel structure pile foundation construction; install the common pressure-bearing main beam, and weld the main beam to the steel cylinder and steel piles at the same time; weld and install the secondary beams between the steel piles; the S 200. The construction of the lower foundation of the submarine corridor includes: excavating and piling in the selected area, constructing pile foundations and caissons, pouring concrete and strengthening the foundation; S300. The installation of the submarine corridor in the sea includes: installing it by using the barge sinking method. When the submarine corridor floats in the sea, two barges are arranged at both ends. The barges are moored at 4 points in the sea, and two winches are arranged on each end to realize the sinking of the submarine corridor to the base bed by water injection in the sea; S400. The connection construction of the submarine corridor and the steel cylinder structure includes: S401. Using the barge to move, the submarine corridor is moved on the surface of the base bed, and the water stop belt is pressed on the end face of the special connection structure of the steel cylinder to achieve preliminary water stopping; S402. Pumping out the steel cylinder foundation Water is pumped out from the cavity of the butt end, and the water stop is further compressed by the water pressure; S404. After the water is pumped out and compressed, four anchor points including the shore control winch and the ship winch are connected to the end face of the submarine corridor, and the equipment including the shore control winch and the ship winch are fixed to keep the pressure constant and fix the submarine corridor; S405. The end face of the special connection structure and the end face of the submarine corridor are removed from the steel cylinder, and the OMEGA water stop is installed through the embedded parts;S406, connect and install the prestressed steel cable of the submarine corridor and the special connection structure of the steel cylinder, and tension the prestress to compress the GINA water stop to the preset amount; S407, install the shear key of the submarine corridor and the special connection structure to ensure the overall shear resistance of the submarine corridor and the steel cylinder structure; the connection construction of the submarine corridor and the data cabin in S500 includes: S501, docking the submarine corridor and the data cabin, using welding and bolting methods to ensure the sealing and stability of the interface; S502, sealing the connection parts to prevent the infiltration of moisture, soil and other foreign substances; S503, transporting the cabin equipment including server clusters, ladders and monitoring equipment from the sea surface through the steel cylinder, and completing the installation of the cabin equipment. ;

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