CN115408746A - Method suitable for Bohai sea module standardized structure design - Google Patents
Method suitable for Bohai sea module standardized structure design Download PDFInfo
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- CN115408746A CN115408746A CN202210869877.9A CN202210869877A CN115408746A CN 115408746 A CN115408746 A CN 115408746A CN 202210869877 A CN202210869877 A CN 202210869877A CN 115408746 A CN115408746 A CN 115408746A
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Abstract
The invention discloses a method suitable for designing a standardized structure of a Bohai sea module, and relates to the technical field of module structures. The method comprises the following steps: the method comprises the following steps: determining environmental base data for standardized design of the chunks; step two: researching the preliminary oil and gas treatment arrangement of a Bohai sea area on a deck of a service platform; step three: various loads of the Bohai sea area on a service platform are researched, and the loads are definitely determined as deterministic loads and uncertain loads; step four: environmental conditions and deck elevations used for standardized design of the blocks are comprehensively researched. The invention provides a modular structure design method capable of covering the whole Bohai sea area, which can improve the design efficiency and quality, and meanwhile, the modular block designed according to the method has standardized structure form, rod piece arrangement and node form, is the basis for standardization of all links of handling, construction and installation, can realize the mass construction and installation of the modular block structure, can effectively reduce the human input, shorten the project period and comprehensively reduce the project investment cost.
Description
Technical Field
The invention relates to the technical field of a block structure, in particular to a method suitable for designing a standardized structure of a Bohai sea block.
Background
The Bohai sea oil field has more than 50 years of development experience, the block structure design technology system is complete, the technology is mature, but the current development mode is that aiming at each specific project, all links of collection, design, construction and installation are completed in turn according to the office, in the design link, the conventional block aims at determining the region, the design is carried out according to the determined platform site environment condition, the overall arrangement, the equipment and facility configuration, the drilling mode, the living building configuration, the construction resource and the installation scheme, in the initial stage of the project, all design bases need to be confirmed, the subsequent design can be carried out, if the design bases change, the calculation and the check are needed again, even the redesign is carried out, and the work is repeated. The conventional methods do not depend on the summarization, extraction and solidification of a technical system, and the purposes of simplifying the project operation process and improving the project construction efficiency to the maximum extent are achieved.
The environmental conditions are the contents which need to be determined at the initial stage of the block structure design, the traditional projects all have determined field addresses, and the environmental conditions are relatively fixed and can be directly used as the design basis. Various loads borne by the chunks are another important content of chunk structure design, for load input data of the chunk structure design, in the traditional design process, the data are considered according to uniform and uniform loads at an early stage, the data are rough, or other professional design results are waited for, determined heavy control information is given, and then the structure design is completed, so that a relatively long construction period is required according to a local on-duty process, and the rhythm of rapid development of an oil field at present cannot be adapted. For the chunk bottom deck elevation, which is determined by the environmental conditions of the specific sea area, usually given based on the environmental data of the determined block, the diagonal bracing rooting positions may also be affected. For various nodes of the block, the design is usually carried out according to non-pipe nodes, the number of the rib plates is considered according to the size of the load, and 1-3 groups are different.
Standardization is a means for achieving the purpose, and standardization attempts have been made on previous projects, but the projects are in local areas, are directed at determined oil field areas, are subjected to regional standardization under the condition that the water depth is similar to the environmental condition, are based on higher consistency in the overall arrangement and drilling mode, are not strong in adaptability of the design result in the whole Bohai sea area, and are limited in the adaptability of the chunks due to the uncertain scale of the chunks.
Disclosure of Invention
The invention aims to provide a method suitable for designing a standardized structure of a Bohai sea module, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method suitable for designing a standardized structure of a Bohai sea module comprises the following steps:
the method comprises the following steps: determining environmental basic data for standardized design of a chunk, wherein the basic data comprise environmental loads, and the environmental loads are environmental parameters of wind, waves, flow, ice and earthquakes;
step two: researching the using function and preliminary oil and gas treatment arrangement of a Bohai sea area on a service platform deck;
step three: various loads of the Bohai sea area on-service platform are researched, and various loads acting on the module are definitely determined as deterministic loads and uncertain loads by researching the functional arrangement of the deck of the Bohai sea area on-service platform;
step four: comprehensively researching the environmental conditions used by the standardized design of the blocks and the elevation of the bottom deck of the in-service platform;
step five: determining the working condition selection of the in-situ analysis of the chunks;
step six: according to the corresponding flow, arrangement and forward heavy control of oil gas treatment, researching construction resources and installation schemes, and planning a hoisting scheme of a standardized hoisting block and a floating scheme of a standardized hoisting block by analyzing common barges and floating crane resources and combining factors such as block weight, span, equipment arrangement and the like;
step seven: and (3) carrying out adaptability analysis on the design result, considering the adaptability of the standardized blocks, and defining the adjustable range of the gravity center of the weight.
Further, in the first step, the seismic parameters in the environmental load are the primary control parameters for designing the standardized structure of the block, and the wave parameters, the wind parameters and the ice parameters are the secondary control parameters for designing the standardized structure of the block.
Furthermore, the block in the second step is provided with a workover rig, a drilling rig module, a life building, process equipment and live load equipment.
Furthermore, the static load in the third step comprises the loads of the workover rig, the drilling rig module and the living building, the process flow equipment and the live load equipment are uncertain loads, and the loads are uniformly input during the installation of the uncertain loads.
Furthermore, the process flow equipment can be divided into a drilling deck equipment area and a production deck equipment area on the deck according to functions, the live load equipment can be divided into an interlayer and bottom deck equipment area, a wellhead area and a discharge area on the clamping plate according to functions, and the uniformly distributed loads of the drilling deck equipment area, the production deck equipment area interlayer, the bottom deck equipment area, the wellhead area and the discharge area are respectively set to be 24KN/m 2 、17KN/m 2 、14KN/m 2 、9.6KN/m 2 And 24KN/m 2 。
Furthermore, in the fourth step, a stand column adjusting section is designed to adapt to the environmental conditions of the whole Bohai sea area, stand columns in the Bohai sea area are made of the same materials, the design of a transition section is not used, any inclined strut rooting position is not designed, the stand columns can be directly used, and the adaptability adjustment can be carried out in the later-stage oil field development.
Furthermore, the working conditions in the fifth step include static working conditions and earthquake working conditions, the static working conditions comprehensively consider six working conditions of operation wave current, extreme wave current, weak ice operation, strong ice operation, extreme weak ice and extreme strong ice, the earthquake working conditions comprehensively consider four working conditions of weak shock strength level, weak shock toughness level, strong shock strength level and strong shock toughness level, and the working conditions of the strong shock toughness level use time-course analysis to reduce the influence of strong shock on the block structure design.
Compared with the prior art, the invention has the beneficial effects that:
the method for designing the standardized structure of the blocks in the Bohai sea provides a standardized structure design method of the blocks which can cover the whole Bohai sea area, can improve the design efficiency and quality, and meanwhile, the blocks designed according to the method have standardized structural forms, rod piece settings and node forms, are the basis for standardization of various links of gathering, building and installation, can realize the mass building and installation of the block structures, can effectively reduce the manpower input, shorten the project cycle and comprehensively reduce the engineering investment cost.
Drawings
FIG. 1 is a flow chart of the standardized chunk research and design of the present invention;
FIG. 2 is a block structure design flow of the present invention;
FIG. 3 is a schematic view of the load classification of the present invention;
FIG. 4-a is a schematic view of a four leg mini wellhead block class A configuration of the present invention;
4-B is a schematic view of a type B configuration of a four-legged small wellhead block of the present invention;
FIG. 4-c is a schematic view of a four leg medium wellhead block class A configuration of the present invention;
FIG. 4-d is a schematic view of a class B configuration of a four leg medium wellhead block of the present invention;
4-e are schematic views of a four leg medium wellhead block class C configuration of the present invention;
FIG. 4-f is a schematic view of a class A configuration of an eight leg large wellhead block of the present invention;
FIG. 4-g is a schematic view of a class B configuration of an eight leg large wellhead block of the present invention;
FIG. 4-h is a schematic view of a class C configuration of an eight leg large wellhead block of the present invention;
FIG. 4-i is a schematic view of a class A configuration of an eight-legged large center block of the present invention;
FIG. 4-j is a schematic view of a class B configuration of an eight-legged large center block of the present invention;
FIG. 4-k is a schematic view of a class C configuration of an eight-legged large center block of the present invention;
fig. 5 is a schematic view of a column adjustment segment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in a figure, further detailed discussion and description thereof will not be required in the following description of the figures.
The technical problem to be solved by the invention is to provide a standardized block main structure design method capable of covering the whole Bohai sea area, which can shorten the period of an earlier-stage development scheme and improve the design efficiency and quality, and meanwhile, the blocks designed according to the method have standardized structural forms, rod piece settings and node forms, which are the basis for standardizing all links of mining, construction and installation, can realize the block structure batch construction and installation, can effectively reduce the manpower input, shorten the project period and comprehensively reduce the project investment cost.
In order to achieve the purposes, characteristics and basic parameters of the Bohai sea chunk are researched, key factors of chunk classification are found out, special research is carried out, and the chunk is classified in a standardized and serialized mode. The research foundation comprises standardization and serialization classification of Bohai sea modules, and standardization and serialization research and application of a jacket, a life building, a module drilling machine and a workover rig.
As shown in fig. 1 to 5, the present invention provides a technical solution: a method suitable for designing a standardized structure of a Bohai sea module comprises the following steps:
the method comprises the following steps: determining environmental basic data for standardized design of the chunk, wherein the basic data comprises environmental loads, the environmental loads are environmental parameters of wind, waves, flow, ice and earthquakes, the earthquake parameters in the environmental loads are main control parameters for standardized structural design of the chunk, and the wave parameters, the wind parameters and the ice parameters are secondary control parameters for standardized structural design of the chunk;
step two: researching the using function and preliminary oil and gas treatment arrangement of a Bohai sea area on a service platform deck, wherein a workover rig, a drilling rig module, a life building, process equipment and live load equipment are arranged on a block;
step three: studying various loads of a Bohai sea area on a service platform, specifically determining various loads acting on a chunk into deterministic loads and uncertain loads by studying the functional arrangement of a deck of the Bohai sea area on the service platform, wherein static loads comprise loads of a workover rig, a drilling rig module and a living building, process flow equipment and live load equipment are uncertain loads, the uncertain loads are uniformly distributed and input, the process flow equipment can be divided into a drilling deck equipment area and a production deck equipment area on the deck according to functions, the live load equipment can be divided into an interlayer, a bottom deck equipment area, a wellhead area and a discharge area on a splint according to functions, and the uniformly distributed loads of the drilling deck equipment area, the production deck equipment area interlayer, the bottom deck equipment area, the wellhead area and the discharge area are respectively set to be 24KN/m 2 、17KN/m 2 、14KN/m 2 、9.6KN/m 2 And 24KN/m 2 ；
Step four: the method is characterized in that the environmental conditions used by the standardized design of the blocks and the elevation of a bottom deck of a service platform are comprehensively researched, an upright post adjusting section is designed to adapt to the environmental conditions of the whole Bohai sea area, upright posts in the area are made of the same material, the transition section design is not used, any inclined strut rooting position is not designed, the upright posts can be directly used, and the adaptability adjustment can also be carried out during the later-stage oil field development;
step five: determining working condition selection of on-site analysis of the block, wherein the working condition comprises a static working condition and an earthquake working condition, the static working condition comprehensively considers six working conditions of operation wave flow, extreme wave flow, weak ice, strong ice, extreme weak ice and extreme strong ice, and the earthquake working condition comprehensively considers four working conditions of weak shock strength level, weak shock toughness level, strong shock strength level and strong shock toughness level, wherein the strong shock toughness level working condition uses time-course analysis to reduce the influence of strong shock on the block structure design;
step six: according to the corresponding flow, arrangement and forward heavy control of oil gas treatment, researching construction resources and installation schemes, and planning a hoisting scheme of a standardized hoisting block and a floating scheme of a standardized hoisting block by analyzing common barges and floating crane resources and combining factors such as block weight, span, equipment arrangement and the like;
step seven: the adaptability of the standardized blocks is considered, and the adjustable range of the gravity center of the weight is clarified.
In the specific implementation process, the applicability of the chunk to the environment conditions of different regions of the Bohai sea is researched. The range of the Bohai sea area is wide, the environmental conditions are complex, the module is located on the jacket and is in the marine environment, the water depth of each area is greatly changed, the module is also influenced by various environmental conditions such as wind, waves, current, ice, earthquake and the like, and the adaptability of the module to the environmental conditions of the Bohai sea area needs to be met for realizing the standardization of the module, namely, the environmental conditions of the module structure design need to consider various environmental loads such as wind, waves, current, ice, earthquake and the like. The method is characterized in that wind, wave and flow parameters are concentrated, ice loads are greatly different in different regions of the Bohai sea, the influence of the whole effect of wind, wave, flow and ice on the design of the blocks is small, and the seismic loads are more controlled on the structure design of the blocks. The adaptability of the block structure to various environment conditions of the Bohai sea is realized, and further the standardization of the block structure of the Bohai sea can be demonstrated, and the block structure of the Bohai sea can be designed by using one set of environment data, so that the block structure of the Bohai sea can cover the Bohai sea and can not consume too many materials.
In order to meet the requirement of oil field development functions, the configured loads of various equipment facilities are important input data when the main structure of the block is designed in a standardized manner, various loads acting on the block are definitely determined as deterministic loads and uncertain loads by researching the functional arrangement of a deck of a service platform in a Bohai sea area, the deterministic loads, such as a workover rig, a drilling rig module and a living building, are input according to corresponding standardized result data, and the uncertain loads, such as equipment facilities, live loads and the like determined according to a process flow, are input according to uniformly distributed loads.
For uncertain loads, the uniform loads are input according to no load, the values of the uniform loads are determined by researching various loads of the Bohai sea area on a service platform, and aiming at decks in different functional areas, different uniform loads are determined as shown in the following table, so that the load input requirements of platform design are met as shown in the table 1, and the adaptability of the standardized result of the chunk is improved.
TABLE 1
| Different functional deck area | Evenly distributed load value |
| Drilling deck equipment area | 24KN/m 2 |
| Production deck facility area | 17KN/m 2 |
| Mezzanine and sub-deck equipment areas | 14KN/m 2 |
| Wellhead area | 9.6KN/m 2 |
| Unloading area | 24KN/m 2 |
| Walkway and ramp area | 4.8KN/m 2 |
For the elevation of a bottom deck of the block, the environmental conditions of the whole Bohai sea area are adapted by designing an upright post adjusting section, upright posts in the area are made of the same material, the transition section design is not used, any inclined strut rooting position is not designed, the block can be directly used, and the block can also be adaptively adjusted during later-stage oil field development.
According to the category of the chunk series determined by research, according to a platform general diagram, chunk re-control and deck function setting, and meanwhile considering the setting requirements of auxiliary components, completing building of two calculation models of the chunk based on re-control and uniform load distribution; forming an environment load input file according to the environment basic data determined by research; the method comprises the steps of performing on-site analysis and construction analysis on a main structure, determining working condition selection of on-site analysis of a block on the basis of environmental basic data research, comprehensively considering six working conditions of operation wave flow, extreme wave flow, weak ice, strong ice, extreme weak ice and extreme strong ice on the basis of static working conditions, comprehensively considering four working conditions of weak seismic strength level, weak seismic toughness level, strong seismic strength level and strong seismic toughness level on the basis of seismic working conditions, and reducing the influence of strong seismic on block structure design by using time course analysis on the working conditions of the strong seismic toughness level.
For the building site of the chunk, the construction feasibility of the standardized type of the chunk is confirmed by analyzing conditions such as potential site construction resources, site construction capability, distance from the Bohai sea area and the like; for the installation scheme of the chunk, the hoisting scheme of 8 types of standardized hoisting chunks and the floating scheme of 3 types of standardized chunks are planned by analyzing the commonly used barge and floating crane resources of a company and combining the weight, span, equipment arrangement and other factors of the chunk. Based on the general diagram arrangement of various platforms and a relatively determined process flow, the design is carried out according to the conventional design flow according to the determined heavy control condition, the normal heavy control and the uniformly distributed load working condition are designed in cooperation under the on-site working condition, the installation working condition is designed based on the normal heavy control, and the better adaptability of the standardized result of the block is ensured; based on the results of the standardized blocks designed based on the above studies, the adjustability of the weight center of gravity of the standardized blocks is determined in consideration of the adaptability of the standardized blocks.
A method for the study and design of a standardized block structure in fig. 1 comprises the following steps:
and collecting the determined design basis. The method proves that the Bohai sea module is standardized and designed by using a set of environmental data, the requirements that the Bohai sea module can cover the Bohai sea area and does not consume excessive materials are met, and the environmental conditions for designing and using the module main structure are determined. The jacket calculation model depends on the standardized research results of jackets, large-scale loads (such as living buildings, drilling/workover rigs and the like) depend on the standardized research results of modular drilling machines and workover rigs, the general diagram is provided with the general layout of various blocks obtained according to the standardized classification of the blocks, the forward heavy control is estimated by all related specialties according to the general layout and the platform scale, and the forward heavy control is summarized by the structural specialties for the design and use of a main structure.
The uncertain basis of the study. The regional arrangement of the total graph equipment facilities is adapted by using the uniformly distributed load, and the method is matched with a forward heavy control design method for use, so that the uncertainty of the load caused by the general regional arrangement is solved. And for various load values needing to be considered in calculation, the value taking problem based on uniform load distribution and forward direction heavy control is considered and is used for main structure design. For the elevation of the bottom deck, the environmental condition of the Bohai sea area is researched by depending on the environmental condition of the in-service platform, a general value of the elevation of the bottom deck is given, and an adjusting section is arranged in the upright post area near the position, so that the adaptability of the structure is improved. By analyzing conditions such as potential site construction resources, site construction capacity, distance from the Bohai sea area and the like, construction feasibility of standardized types of the chunks is confirmed, and recommended construction site and slideway resources are provided for 11 types of standardized chunks. A hoisting scheme of 8 types of standardized hoisting blocks and a floating scheme of 3 types of standardized hoisting blocks are planned by analyzing common barges and floating crane resources of a company and combining factors such as block weight, span, equipment arrangement and the like.
The main structure is designed. And performing structure planning according to the equipment arrangement, the axis arrangement and the appearance profile of the general diagram, preliminarily planning the land construction and offshore installation schemes of various blocks, selecting a proper working condition combination for calculation and analysis, adjusting the preliminarily planned structure according to the calculation result, and finally determining the main structure size and the material specification of the various blocks.
FIG. 2 is a standardized chunk structure design flow, including the following steps: 1. and (4) researching a structural scheme. Comprehensively considering the problems of uniformly distributed load, forward heavy control, installation schemes (the relief capacity, the ship entering direction and the like of a hoisting platform, the installation direction of a floating platform), working condition selection, structural accessory weight estimation and the like; 2. determining main structures such as main dimensions, main beams, upright columns and the like of the structure according to factors such as functions, arrangement, area, load and the like; selecting calculation software 3, determining software used for structure calculation, including conventional ocean structure design software SACS and USFOS software for seismic time course analysis; 4. and (5) calculating the structure. Based on the research results of the previous step, confirming the working condition combination which needs to be considered by each calculation analysis, and completing the analysis of static force, earthquake, shipping, towing, hoisting or floating, wherein the on-site analysis of the static force, the earthquake and the like needs to combine the module and the guide pipe frame module, the whole stress state of the platform and the possible environmental conditions are simulated, and the shipping, towing, hoisting or floating calculation also needs to be matched with the corresponding construction scheme; based on the design basis determined by various researches, the structure design of the standardized chunk is completed, the adaptability of the chunk is considered, and the adjustable range of the gravity center is determined on the basis of the standardized design.
Fig. 3 is a schematic diagram of chunk load classification. Different from various deterministic loads in the traditional design method, in order to enable the result to adapt to the Bohai sea area, the invention classifies the loads required by the structural design, determines the loads to be input according to a determined mode, and designs the uncertain loads in a mode of uniformly distributing the loads, wherein the design foundation is provided with a part which is uncertain.
Table 2 is a standardized chunk classification table. For each type of chunk, the main structure design is completed according to the research path and design flow, and corresponding results are compiled.
TABLE 2
Fig. 4 is a three-dimensional model diagram of 11 standardized blocks after design.
Fig. 5 is a schematic diagram of a column adjustment segment, in which data is replaced by a universal data symbol "X", and can be adjusted according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method suitable for standardized structural design of a Bohai sea module is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: determining environmental basic data for standardized design of the chunks, wherein the basic data comprise environmental loads, and the environmental loads are environmental parameters of wind, waves, flow, ice and earthquake;
step two: researching the using function and preliminary oil and gas treatment arrangement of a Bohai sea area on a service platform deck;
step three: various loads of the Bohai sea area on-service platform are researched, and various loads acting on the module are definitely determined as deterministic loads and uncertain loads by researching the functional arrangement of the deck of the Bohai sea area on-service platform;
step four: comprehensively researching the environmental conditions used by the standardized design of the blocks and the elevation of the bottom deck of the in-service platform;
step five: determining the working condition selection of the on-site analysis of the chunk;
step six: according to the corresponding flow, arrangement and forward heavy control of oil and gas treatment, researching construction resources and installation schemes, and planning hoisting schemes of standardized hoisting blocks and floating solutions of standardized blocks by analyzing common barges and floating crane resources and combining the factors of block weight, span, equipment arrangement and the like;
step seven: the adaptability of the standardized blocks is considered, and the adjustable range of the gravity center of the weight is clarified.
2. The method for designing the standardized structure of the Bohai sea chunk according to the claim 1 is characterized in that: in the first step, the seismic parameters in the environmental load are primary control parameters of the standardized structural design of the chunk, and the wave parameters, the wind parameters and the ice parameters are secondary control parameters of the standardized structural design of the chunk.
3. The method for standardized structural design of the Bohai sea module according to claim 1, wherein the method comprises the following steps: and the assembly block in the second step is provided with a workover rig, a drilling rig module, a life building, process equipment and live load equipment.
4. The method for standardized structural design of the Bohai sea module according to claim 3, wherein the method comprises the following steps: the static load in the third step comprises the load of the workover rig, the drilling rig module and the living building, the process flow equipment and the live load equipment are uncertain loads, and the uncertain loads are uniformly installed and uniformly distributed for inputting.
5. The method for standardized structural design of the Bohai sea module according to claim 4, wherein the method comprises the following steps: the process flow equipment can be divided into a drilling deck equipment area and a production deck equipment area on the deck according to functions, the live load equipment can be divided into an interlayer and bottom deck equipment area, a wellhead area and a discharging area on the clamping plate according to functions, and the drilling well equipment can be used for drilling a wellThe uniform loads of the deck equipment area, the interlayer of the production deck equipment area, the bottom deck equipment area, the wellhead area and the unloading area are respectively set to be 24KN/m 2 、17KN/m 2 、14KN/m 2 、9.6KN/m 2 And 24KN/m 2 。
6. The method for standardized structural design of the Bohai sea module according to claim 1, wherein the method comprises the following steps: and in the fourth step, a stand column adjusting section is designed to adapt to the environmental conditions of the whole Bohai sea area, stand columns in the area are made of the same material, the transition section design is not used, any inclined strut rooting position is not designed, the stand columns can be directly used, and adaptability adjustment can be performed in later-stage oil field development.
7. The method for standardized structural design of the Bohai sea module according to claim 1, wherein the method comprises the following steps: the working conditions of the fifth step comprise static working conditions and earthquake working conditions, the static working conditions comprehensively consider six working conditions of operation wave flow, extreme wave flow, weak ice operation, strong ice operation, extreme weak ice and extreme strong ice, the earthquake working conditions comprehensively consider four working conditions of weak shock strength level, weak shock toughness level, strong shock strength level and strong shock toughness level, and the working conditions of the strong shock toughness level reduce the influence of strong shock on the block structure design by using time course analysis.
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