CN113535748B - Shield tunneling machine type selection system and type selection method based on historical cases - Google Patents
Shield tunneling machine type selection system and type selection method based on historical cases Download PDFInfo
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- 230000005641 tunneling Effects 0.000 title claims abstract description 34
- 238000010187 selection method Methods 0.000 title claims abstract description 23
- 238000004458 analytical method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 11
- 230000035699 permeability Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004927 clay Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 240000007263 Pinus koraiensis Species 0.000 description 1
- 235000011615 Pinus koraiensis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention provides a shield tunneling machine type selection system and a type selection method based on historical cases, wherein the type selection method comprises the following steps: constructing a shield engineering history case library and generating a shield machine model selection knowledge base; analyzing the new shield engineering to generate a plurality of new shield engineering profile information, wherein the plurality of new shield engineering profile information forms a model selection parameter set for selecting the model of the shield machine; inputting the type selection parameters in the type selection parameter set, matching with the shield engineering historical cases in the shield engineering historical case library, and outputting a shield engineering historical case type selection interval; based on the shield engineering history case type selection interval and the shield machine type selection principle, a shield machine type selection result of the new shield engineering is obtained. The shield machine model selection method is based on the historical big data, the completed shield engineering historical cases are referred to, the shield engineering historical case model selection interval matched with the new shield engineering is screened out, and the more accurate shield machine model selection result can be obtained by combining the new shield engineering and the shield machine parameter model selection interval result.
Description
Technical Field
The invention belongs to the technical field of shield engineering, and relates to a shield machine type selection system and a type selection method based on historical cases.
Background
With rapid development of shield engineering construction, more and more projects such as urban rails, tunnel bridges and the like commonly use shield technology. The shield technology is an advanced method for excavating a tunnel, and is a construction technology of integral propulsion according to the expected direction by adopting tunneling equipment. The number of shield machines in China is large, and proper shield machines are required to be selected according to stratum environment, geological hydrology, surrounding environment and the like for each project in engineering construction so as to ensure the smooth proceeding of the project.
The traditional shield machine model selection is to collect data such as a geological survey report, hydrogeology, a design file, a surrounding environment and the like, and then to determine parameters of a shield machine suitable for the project according to engineering construction experience and scientific reasoning through discussion of a plurality of experts. The traditional type selection method has the problems of large workload, long evaluation period, manual operation, lack of scientific judgment in the evaluation process, easiness in introducing subjective factors, inconvenience in judging the type selection result of the shield machine and easiness in causing engineering risks.
Disclosure of Invention
In order to solve the problems, the invention provides a shield machine type selection system and a type selection method based on a history case, wherein the shield machine type selection of a new shield project utilizes a big data technology, the history type selection cases of the shield machine under different working conditions are collected and updated, when the shield machine of the new shield project is selected, the history cases with high matching degree with the new project are screened out by inputting a new project profile, and a reasonable shield machine type selection result of the new project is rapidly given by combining with type selection opinions given by an expert.
The technical scheme for realizing the aim of the invention is as follows:
on the one hand, the invention discloses a shield tunneling machine model selection method based on historical cases, which comprises the following steps:
constructing a shield engineering history case library and generating a shield machine model selection knowledge base;
analyzing the new shield engineering to generate a plurality of new shield engineering profile information, wherein the plurality of new shield engineering profile information forms a model selection parameter set for selecting the model of the shield machine;
Inputting the type selection parameters in the type selection parameter set, matching with the shield engineering historical cases in the shield engineering historical case library, and outputting a shield engineering historical case type selection interval;
based on the shield engineering history case type selection interval and the shield machine type selection principle, a shield machine type selection result of the new shield engineering is obtained.
The shield machine type selection method is based on historical big data, refers to a plurality of completed shield engineering historical cases, screens a shield engineering historical case type selection interval matched with a new shield engineering through analysis of the shield engineering historical cases and the new shield engineering, and obtains a more accurate shield machine type selection result by combining the new shield engineering and shield machine parameter type selection interval results.
In one embodiment of the invention, the method for generating the shield tunneling machine model selection knowledge base comprises the following steps:
classifying the shield engineering according to the type of the shield engineering to establish a shield engineering case library;
According to the type of the shield machine, a shield machine case library is established, wherein the shield machine case library comprises a shield machine model and a parameter sub-database;
Analyzing each type of shield engineering to form engineering profile information, establishing label information corresponding to the engineering profile information, and establishing a label system;
Collecting a plurality of shield engineering historical cases, classifying the shield engineering historical cases and storing the shield engineering historical cases into corresponding shield engineering case libraries;
Analyzing the history case of the shield engineering to form engineering profile information of the history shield engineering, and inputting the engineering profile information of the history shield engineering into corresponding label information for storage.
Further, the project profile information includes region information, landform information, geological information, hydrologic information, geological survey information and environmental information of the shield project.
Further, the step of analyzing each type of shield engineering to form engineering profile information and establishing tag information corresponding to the engineering profile information further includes:
and grading the profile information of each project based on a shield machine type selection principle to form common project profile information, important project profile information and key project profile information, wherein the label system comprises a common label, an important label and a key label.
Furthermore, the shield engineering case library comprises a selected case database, a risk source database and a safety accident case library.
Preferably, the shield tunneling machine case base further comprises a shield tunneling machine key parameter fault sub-database
Before the model selection parameters in the model selection parameter set are input, the model selection parameters are divided into common model selection parameters, important model selection parameters and key model selection parameters according to a model selection principle of the shield machine;
when the type selection parameters in the type selection parameter set are input, extracting important type selection parameters and key type selection parameters or key type selection parameters in the type selection parameter set, and matching with shield engineering historical cases in a shield engineering historical case library.
In one embodiment of the invention, the shield machine model selection method further comprises a step of updating a shield project history case library, namely, after the new shield project is completed, the shield machine model selection result of the new shield project and the actual use model and parameters of the shield machine are input and stored.
In a second aspect, the invention also discloses a shield tunneling machine model selection system based on the historical cases, which comprises a historical database module, an input module, a matching analysis module and an output module.
The historical database module comprises a shield machine database module, a historical case database module and a database updating module. The history case database module stores a plurality of shield engineering history cases, and a label system of the shield engineering history cases is stored in a document format; the shield machine type and parameters are stored in a file format in a shield machine database module; the database updating module is connected with the shield machine database module and the historical case database module and is used for updating the historical cases of the shield engineering, the types and parameters of the shield machine in real time.
The input module is used for inputting the model selection parameters of the new shield engineering into the matching analysis module.
The matching analysis module is used for outputting a shield engineering historical case type selection interval matched with the new shield engineering after being matched with the tag system based on the input shield machine type selection parameter set of the new shield engineering.
The output module is used for outputting and displaying the shield machine model selection result of the new shield engineering.
In one embodiment of the invention, the shield machine type selection system further comprises a shield machine type selection evaluation module, wherein the shield machine type selection evaluation module is used for evaluating each type selection result in the shield engineering historical case type selection interval; and the model selection result of the shield machine of the new shield project is evaluated based on the model selection result of the shield machine of the new shield project and the actual use model and parameters of the shield machine after the new shield project is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the shield machine type selection method is based on historical big data, refers to a plurality of completed shield engineering historical cases, screens a shield engineering historical case type selection interval matched with a new shield engineering through analysis of the shield engineering historical cases and the new shield engineering, and obtains a more accurate shield machine type selection result by combining the new shield engineering and shield machine parameter type selection interval results.
2. The shield engineering historical cases in the historical case database module of the shield machine type selection system can be continuously updated, and the shield machine type selection result can be improved along with continuous supplement of the shield engineering historical cases.
3. The shield machine type selection system is flexible in application, and a user can flexibly select parameter input in a shield machine type selection parameter set according to the condition of a new shield project and match with a shield project history case in a history case database module.
4. The setting of the feedback module in the shield machine type selection system can compare the actual running parameters of the shield machine in the shield engineering with the shield machine type selection result of the new shield engineering selected according to the shield machine type selection system after the new shield engineering is completed, so as to judge whether the shield machine type selection of the new shield engineering is reasonable.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described. It is apparent that the drawings in the following description are only for the purpose of more clearly illustrating the embodiments of the present invention or the technical solutions in the prior art, and that other drawings can be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of a shield tunneling machine type selection method based on historical cases.
Detailed Description
The invention will be further described with reference to specific embodiments, and advantages and features of the invention will become apparent from the description. These examples are merely exemplary and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Example 1:
The embodiment discloses a shield tunneling machine model selection method based on historical cases, in the embodiment, as shown in fig. 1, the shield tunneling machine model selection method comprises the following steps:
s1, constructing a shield engineering history case base and generating a shield machine model selection knowledge base.
The shield machine model selection knowledge base is used for storing the information of the shield engineering which is finished currently and providing a matching target for the shield machine model selection of the new shield engineering. Specifically, the method for generating the shield tunneling machine model selection knowledge base comprises the following steps:
S101, classifying the shield engineering according to the type of the shield engineering, and establishing a shield engineering case library.
At present, the completed shield engineering has successful cases and also has cases of machine accidents, safety accidents and the like in the construction process, so that the possible risks of new shield engineering in the construction process can be effectively avoided by classifying the shield engineering and combining different shield engineering types.
The established shield engineering case library comprises a case selection database, a risk source database, a safety accident case library, an emergency plan library, a special plan library and other sub-case libraries.
Wherein, shield engineering history cases of successful cases are stored in the case selection database. The risk source database is used for associating emergency plans and safety accident analysis and storing information such as adaptability assessment, shield part starting, crossing risk sources and the like; the safety accident case library is used for storing safety accident data, including information such as safety accident types, accident addresses, safety risk sources and the like; the emergency plan library is used for collecting emergency plan information, such as comprehensive emergency plan information, such as a comprehensive emergency plan of the construction 09 mark of the No. 8 line civil engineering of the Suzhou urban rail transit, a comprehensive emergency plan of the production safety accident 14 mark of the No. 16 line of the Beijing municipal group subway, and the like; the special scheme library stores case schemes of shield engineering in different areas, including information such as a shield section overall construction scheme, a pile foundation safety civilized construction scheme and the like.
S102, establishing a shield machine case base according to the type of the shield machine, wherein the shield machine case base comprises a shield machine model and parameter sub-database.
Specifically, the shield tunneling machine model and parameter database is used for storing the shield tunneling machine model and parameters, and the shield tunneling machine model comprises: the earth pressure balance shield and the slurry shield are distinguished in a pressure balance mode, or the shield machines of brands such as Pinus koraiensis, kawasaki, mitsubishi and the like are distinguished in factories; or a single-circle shield, a double-circle shield, a three-circle shield, a five-circle shield, a butt shield, a primary-secondary shield, a rectangular shield and the like which are distinguished according to the shield machine types; the parameter data of the shield machine comprises information of a first-level shield host machine, a rear matching machine, a cutter head and the like according to the importance degree; and information of the model number of the second level, the range of operation standard parameters, the use instruction, the emergency fault handling, the manufacturer and the like.
Preferably, the shield machine case library further comprises a shield machine key parameter fault sub-database, and the shield machine key parameter fault sub-database stores common shield machine fault solutions in common shield engineering, including common faults such as belt conveyor faults, double-rail beam and slot locking, oil pump coupling damage and the like and solutions thereof.
S103, analyzing each type of shield engineering, forming engineering profile information, establishing label information corresponding to the engineering profile information, and establishing a label system.
The step is used for analyzing the shield engineering in the step S102, and a label system is established so that when the new shield engineering is matched, the matching can be carried out according to the model selection parameter set of the new shield engineering and the shield engineering case library. Specifically, the project profile information includes region information, landform information, geological information, hydrologic information, geological survey information, environmental information and the like of the shield project.
S104, collecting a plurality of shield engineering historical cases, classifying the shield engineering historical cases and storing the shield engineering historical cases into corresponding shield engineering case libraries.
The step is used for collecting the completed shield engineering historical cases, classifying the shield engineering historical cases and storing the shield engineering historical cases into corresponding shield engineering case libraries respectively.
S105, analyzing the history cases of the shield engineering to form engineering profile information of the history shield engineering, and inputting the engineering profile information of the history shield engineering into corresponding label information for storage.
The method comprises the steps of analyzing shield engineering historical cases stored in different shield engineering case libraries after classification, extracting the content of information such as regions, landforms, geology, hydrology, land surveys, environments and the like of the shield engineering historical cases, inputting the content into corresponding label information for storage, and inputting the model of a shield machine, the cutter head opening ratio, the maximum thrust, the torque and other parameter information of the shield engineering historical cases.
And (3) completing the establishment of the shield machine model selection knowledge base by collecting a plurality of completed shield engineering historical cases.
In a preferred embodiment of the construction of the shield machine type selection knowledge base, because the shield engineering comprises a plurality of types of information, each information is different for the weight of the shield machine type selection, and in order to better realize the matching between the new shield engineering and each shield engineering historical case in the shield engineering historical case base, the matching result is improved. The analyzing of each type of shield engineering in step S103 to form engineering profile information and creating tag information corresponding to the engineering profile information further includes: and grading the profile information of each project based on a shield machine type selection principle to form common project profile information, important project profile information and key project profile information, wherein the label system comprises a common label, an important label and a key label. For example, the region information and the engineering type (river crossing, sea crossing, highway/railway crossing, etc.) are general engineering profile information, and the corresponding tag is a general tag; the information such as permeability coefficient, underground water pressure, stratum type, liquidity index, turning radius, maximum gradient and the like belongs to important engineering profile information and key engineering profile information, and the corresponding labels are important labels and key labels.
S2, analyzing the new shield engineering to generate a plurality of new shield engineering profile information, wherein the plurality of new shield engineering profile information forms a model selection parameter set for selecting the model of the shield machine.
The method comprises the steps of analyzing a new shield engineering, extracting information such as regions, landforms, geology, hydrology, geological survey, environment and the like, and forming a model selection parameter set.
S3, inputting the type selection parameters in the type selection parameter set, matching with the shield engineering historical cases in the shield engineering historical case library, and outputting a shield engineering historical case type selection interval. Specifically, the model selection parameters are input into the shield machine model selection system and are matched with each shield engineering history case in the shield machine model selection knowledge base established in the step S1.
Because the shield engineering comprises a plurality of types of information, each information is different in weight for the shield machine type selection, and the efficiency and the accuracy of matching the new shield engineering with each shield engineering historical case in the shield engineering historical case library are improved. Before the model selection parameters in the model selection parameter set are input, the model selection parameters are divided into common model selection parameters, important model selection parameters and key model selection parameters according to a model selection principle of the shield machine. For example, the region information and the engineering type (river crossing, sea crossing, highway/railway crossing, etc.) are general engineering profile information, and the corresponding tag is a general tag; the information such as permeability coefficient, underground water pressure, stratum type, liquidity index, turning radius, maximum gradient and the like belongs to important engineering profile information and key engineering profile information, and the corresponding labels are important labels and key labels.
When the shield machine type selection system is adopted to select the shield machine of the new shield project, the important type selection parameters and the key type selection parameters or the key type selection parameters in the type selection parameter set can be extracted and input into the shield machine type selection system to be matched with the shield project history cases in the shield project history case library. For example, the hydraulic pressure can be matched by inputting the permeability coefficient and the underground water pressure, the liquid index, the turning radius and the maximum gradient can be matched, and other model selection parameters can be selected for matching according to the condition of a new shield engineering.
Preferably, in the matching process of the shield machine model selection system, the shield machine model selection system also removes discrete values which are obviously inconsistent through an algorithm, and then outputs a shield engineering history case model selection section.
S4, based on a shield engineering history case type selection interval and a shield machine type selection principle, a shield machine type selection result of the new shield engineering is obtained.
The shield engineering history case type selection interval input in the step S4 comprises a plurality of shield engineering history cases matched with the new shield engineering, and further screening is needed to obtain the final shield machine type selection result of the new shield engineering. Specifically, the shield machine model selection principle is formed by an engineering expert after analyzing information such as shield machine model, shield engineering profile information and the like, and the principle of selecting the shield machine model is carried out through common model selection parameters, important model selection parameters and key model selection parameters, and is as follows:
adopting important model selection parameters and key model selection parameters or key model selection parameters to select the model of the shield machine, wherein the model selection rules are as follows:
Firstly, selecting the type of the shield machine for each engineering section in a new shield engineering geological survey report, wherein the type selection basis is as follows: permeability coefficient: when the average value of the permeability coefficient is less than 10e-7m/s, selecting an earth pressure balance shield machine; when the average value of the permeability coefficient is more than 10e-4m/s, selecting a slurry balance shield machine; temporarily not judging when the osmotic coefficient value is in other ranges; formation type: when the stratum type belongs to clay, silt and fine sand, selecting an earth pressure balance shield machine; when the stratum type belongs to a pebble layer, a coarse gravel layer and a medium fine gravel layer, selecting a slurry balance shield machine; when the stratum type belongs to other conditions, temporarily judging is not carried out; groundwater pressure: when the average value of the underground water pressure is more than 3bar, a slurry balance shield machine is selected; when the underground water pressure value is in other ranges, temporarily judging is not performed; and prompting a user to re-judge when the conflict occurs in different types of the permeability coefficient, the stratum type and the underground water pressure.
If the new shield engineering has a risk source such as a river, a lake and a sea, and the diameter of the cutter head is more than 10m, a slurry balance shield machine is selected.
Summarizing the type selection results of the shield machine, and directly giving the type selection results if the type selection results are consistent; if the above-mentioned type selection result conflicts, prompt users to adjust the priority by oneself, in order to the highest priority to be in order; if the shield machine model selection result is not obtained, the earth pressure balance shield machine is preferably selected based on cost (economical) consideration.
Secondly, selecting the parameters of the shield machine through the important type selection parameters and the key type selection parameters or the key type selection parameters, wherein the type selection rules are as follows:
Judging the diameter of a cutter head: mapping by using a comparison table of the segment outer diameter and the cutter disc diameter of the design file, and if the matching is not completed, the mapping is empty. Judging a hinging mode: judging according to the flat curve turning radius of the design file, if the turning radius is less than or equal to 250m, recommending active hinging; otherwise, leaving blank for no processing. And (3) cutter configuration: judging according to the single-axis compressive strength average value of the section, and if the single-axis compressive strength average value of the section is less than or equal to 30MPa, configuring a soft soil cutter; if the pressure is more than 30MPa, a hard rock cutter is configured.
Furthermore, the common type selection parameters are adopted to select the type of the shield machine of the new engineering, and the type selection rule is as follows:
1) Formation type matching:
a) Matching historical cases through stratum types, such as when the current scale comprises clay, silt and fine sand stratum: performing complete stratum matching preferentially, wherein the matching is similar to the history cases of clay, silt and fine sand stratum, and if the matching is completed, comparing the cutter disc form, cutter configuration, cutter disc opening rate and cutter disc maximum rotation speed of the history case or a plurality of history cases; b) If a) is not matched, performing decomposition matching, such as searching for clay and silt stratum cases and fine silt stratum cases, and extracting interval ranges of the clay and the silt stratum cases; c) If the matching is not achieved, the following judgment is carried out: the cutter head form is judged based on stratum: the clay-medium fine grit layer adopts a spoke cutter; a panel cutter is selected as the coarse gravel layer-full section hard rock; the composite cutterhead is selected to exist in the intersection of the two or in the composite stratum. The cutter head opening rate is judged based on the cutter head form: 70% -75% of spoke type cutterhead; 30% -45% of a composite cutter head; the panel cutter is less than 30%.
2) Rated torque, escaping torque, maximum working pressure matching:
And matching the cases belonging to the same type of shield machine type and cutter head diameter of +/-0.5 m from the historical cases, and extracting the interval range of rated torque, escaping torque and maximum working pressure.
3) And (3) matching the host machine parameters of the shield machine:
a) The diameter of the front shield is matched with the history cases with the identical cutter diameters, and the diameter of the front shield is extracted.
B) The maximum tunneling speed/maximum thrust/main bearing diameter/main machine weight/main machine length/cutter head driving power/total power/other configurations are matched with the case that the shield machine type, the cutter head diameter are +/-0.5 m and the currently selected main driving form are the same, and the range of the interval is extracted.
C) Foam only exists in the earth pressure balance shield machine, and if the foam exists in the earth pressure balance shield machine, the foam is empty; the earth pressure shield machine is matched with the shield machine type, the cutter head diameter is +/-0.5 m, the currently selected case with the same main driving mode is extracted.
In a preferred embodiment of the shield tunneling machine type selection method, as shown in fig. 1, the shield tunneling machine type selection method further includes S5, and the shield tunneling machine type selection method further includes a step of updating a shield engineering history case library, that is, after the new shield engineering is completed, inputting and storing a shield tunneling machine type selection result of the new shield engineering and an actual use model and parameters of the shield tunneling machine.
The shield machine type selection method is based on historical big data, refers to a plurality of completed shield engineering historical cases, screens a shield engineering historical case type selection interval matched with a new shield engineering through analysis of the shield engineering historical cases and the new shield engineering, and obtains a more accurate shield machine type selection result by combining the new shield engineering and shield machine parameter type selection interval results.
Example 2:
the embodiment discloses a shield tunneling machine model selection system based on historical cases, which comprises a historical database module, an input module, a matching analysis module and an output module.
The historical database module comprises a shield machine database module, a historical case database module and a database updating module. The history case database module stores a plurality of shield engineering history cases, and a label system of the shield engineering history cases is stored in a document format; the shield machine type and parameters are stored in a file format in a shield machine database module; the database updating module is connected with the shield machine database module and the historical case database module and is used for updating the historical cases of the shield engineering, the types and parameters of the shield machine in real time.
Preferably, a legal regulation system library submodule is further arranged in the history database module, and the legal regulation system such as the national railway engineering safety quality management temporary method notification, GBT 51310-2018 underground railway engineering construction standard, building construction template safety technical specification JGJ162-2008 and the like are stored. The shield tunneling machine model selection knowledge base is characterized by further comprising a sub-module of an equipment information base, a project information base and the like, and the sub-module is used for enriching and perfecting the shield tunneling machine model selection knowledge base.
The input module is used for inputting the model selection parameters of the new shield engineering into the matching analysis module.
The matching analysis module is used for outputting a shield engineering historical case type selection interval matched with the new shield engineering after being matched with the tag system based on the input shield machine type selection parameter set of the new shield engineering.
The output module is used for outputting and displaying the shield machine model selection result of the new shield engineering.
In one embodiment of the invention, the shield machine type selection system further comprises a shield machine type selection evaluation module, wherein the shield machine type selection evaluation module is used for evaluating each type selection result in the shield engineering historical case type selection interval; and the model selection result of the shield machine of the new shield project is evaluated based on the model selection result of the shield machine of the new shield project and the actual use model and parameters of the shield machine after the new shield project is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The shield tunneling machine model selection method based on the historical cases is characterized by comprising the following steps of:
constructing a shield engineering history case library and generating a shield machine model selection knowledge base;
analyzing the new shield engineering to generate a plurality of new shield engineering profile information, wherein the plurality of new shield engineering profile information forms a model selection parameter set for selecting the model of the shield machine;
Inputting the type selection parameters in the type selection parameter set, matching with the shield engineering historical cases in the shield engineering historical case library, and outputting a shield engineering historical case type selection interval;
based on a shield engineering history case type selection interval and a shield machine type selection principle, a shield machine type selection result of a new shield engineering is obtained;
updating a shield engineering history case library, namely inputting and storing a shield machine model selection result and an actual use model and parameters of a shield machine of the new shield engineering after the new shield engineering is completed;
the method for generating the shield tunneling machine type selection knowledge base comprises the following steps:
classifying the shield engineering according to the type of the shield engineering to establish a shield engineering case library;
According to the type of the shield machine, a shield machine case library is established, wherein the shield machine case library comprises a shield machine model and a parameter sub-database;
Analyzing each type of shield engineering to form engineering profile information, establishing label information corresponding to the engineering profile information, and establishing a label system;
Collecting a plurality of shield engineering historical cases, classifying the shield engineering historical cases and storing the shield engineering historical cases into corresponding shield engineering case libraries;
Analyzing the shield engineering historical cases to form engineering profile information of the historical shield engineering, and inputting the engineering profile information of the historical shield engineering into corresponding label information for storage, wherein the engineering profile information comprises regional information, landform information, geological information, hydrological information, geological survey information and environmental information of the shield engineering.
2. The method of claim 1, wherein analyzing each type of shield project to form project profile information and creating tag information corresponding to the project profile information, further comprises:
and grading the profile information of each project based on a shield machine type selection principle to form common project profile information, important project profile information and key project profile information, wherein the label system comprises a common label, an important label and a key label.
3. The shield tunneling machine type selection method according to any one of claims 1-2, wherein the shield engineering case base comprises a selection case database, a risk source database and a safety accident case base.
4. The shield tunneling machine type selection method according to any one of claims 1-2, wherein the shield tunneling machine case base further comprises a shield tunneling machine key parameter fault sub-database.
5. The shield machine type selection method according to claim 1, further comprising dividing the type selection parameters into a common type selection parameter, an important type selection parameter and a key type selection parameter according to a shield machine type selection principle before inputting the type selection parameters in the type selection parameter set;
when the type selection parameters in the type selection parameter set are input, extracting important type selection parameters and key type selection parameters or key type selection parameters in the type selection parameter set, and matching with shield engineering historical cases in a shield engineering historical case library.
6. The shield machine model selection system based on the historical cases is characterized by comprising a historical database module, an input module, a matching analysis module and an output module;
The history database module comprises a shield machine database module, a history case database module and a database updating module, wherein a plurality of shield engineering history cases are stored in the history case database module, and a label system of the shield engineering history cases is stored in a document format; the shield machine type and parameters are stored in the shield machine database module in a document format; the database updating module is connected with the shield machine database module and the historical case database module and is used for updating the historical cases of the shield engineering, the types and parameters of the shield machine in real time;
the input module is used for inputting the model selection parameters of the new shield engineering into the matching analysis module;
The matching analysis module is used for outputting a shield engineering historical case type selection interval matched with the new shield engineering after matching with the tag system based on the input shield machine type selection parameter set of the new shield engineering;
The output module is used for outputting and displaying a shield machine model selection result of the new shield engineering;
The history database module is also used for establishing a shield engineering case library for shield engineering classification according to the type of the shield engineering; according to the type of the shield machine, a shield machine case library is established, wherein the shield machine case library comprises a shield machine model and a parameter sub-database; analyzing each type of shield engineering to form engineering profile information, establishing label information corresponding to the engineering profile information, and establishing a label system; collecting a plurality of shield engineering historical cases, classifying the shield engineering historical cases and storing the shield engineering historical cases into corresponding shield engineering case libraries; and analyzing the shield engineering historical cases to form engineering profile information of the historical shield engineering, and inputting the engineering profile information of the historical shield engineering into corresponding tag information for storage, wherein the engineering profile information comprises regional information, landform information, geological information, hydrological information, geological survey information and environmental information of the shield engineering.
7. The shield tunneling machine type selection system of claim 6, further comprising a shield tunneling machine type selection evaluation module for evaluating each type selection result within a shield tunneling project history case type selection interval;
And the shield machine model selection evaluation module is also used for evaluating the shield machine model selection result of the new shield project based on the shield machine model selection result of the new shield project and the actual use model and parameters of the shield machine after the new shield project is completed.
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