CN111798144B - Body-based energy pile bridge surface deicing system evaluation method - Google Patents
Body-based energy pile bridge surface deicing system evaluation method Download PDFInfo
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Abstract
The invention discloses an energy pile bridge face deicing system evaluation method based on a body, which comprises the following steps: setting basic data of an energy pile bridge face deicing system, defining a plurality of classes corresponding to an ontology model and attributes corresponding to the classes according to the basic data, formulating semantic network rules according to the classes and the attributes corresponding to the classes, preparing evaluation rules of the energy pile bridge face deicing system by adopting the semantic network rules, assigning values to the classes according to parameters corresponding to the basic data, obtaining a plurality of design schemes of the energy pile bridge face deicing system according to the assigned classes and the attributes and the evaluation rules corresponding to the classes, and selecting the design schemes of the energy pile bridge face deicing system by adopting requirement parameters. The invention quantifies the performance index of the energy pile system, selects the optimal scheme from the alternative schemes, greatly improves the working efficiency and performance of the design, and optimizes the system design scheme.
Description
Technical Field
The invention relates to the technical field of bridge deicing, in particular to an energy pile bridge face deicing system evaluation method based on a body.
Background
The traditional mode of getting rid of bridge floor and icing mainly has artifical snow removing and throws snow removing agent, and the manual work is got rid of snow and is wasted time and energy and inefficiency, and the snow removing agent of throwing is mostly chemical, can produce corruption and pollution to bridge structure and environment, after the concept of energy stake has been put forward certainly, it can draw clear geothermal energy and clear snow and ice for the bridge, energy stake face deicing system of energy stake technique provides a high-efficient safe mode for getting rid of bridge floor and icing and snow, energy stake face deicing system that utilizes the bridge pile foundation not only can draw clear shallow geothermal energy, can also save a large amount of installation costs.
The existing design method of the energy pile bridge face deicing system is mostly single-oriented, means for comprehensively considering different aspects of the system are lacking, and other aspects of economic and safety interaction are not reasonably designed when main functions of deicing are met.
Disclosure of Invention
The invention provides an energy pile bridge face deicing system evaluation method based on a body, which aims to overcome the technical problems.
The invention discloses an assessment method of an energy pile bridge face deicing system based on a body, which comprises the following steps:
setting basic data of an energy pile bridge face deicing system, wherein the basic data comprises: energy pile foundation heat exchange, bridge deck heat exchange, pump type data and parameters;
defining a plurality of classes corresponding to the ontology model and attributes corresponding to the classes according to the basic data, wherein the attributes comprise relationships and data properties among the classes;
an evaluation rule of the energy pile bridge face deicing system is prepared by adopting a semantic network rule, and the evaluation rule comprises the following steps: feasibility rules, cost calculation rules, heat extraction rules, heat flux calculation rules and pile foundation bearing capacity calculation rules of the deicing system;
and assigning values to the classes according to parameters corresponding to the basic data, obtaining a plurality of designs of the energy pile bridge face deicing system according to the assigned classes, the attributes corresponding to the classes and the evaluation rules, and selecting the designs of the energy pile bridge face deicing system by adopting the required parameters.
Further, the defining a plurality of classes corresponding to the ontology model according to the basic data includes:
a class of bridge systems comprising: bridge operation and maintenance system and bridge structure;
bridge operation and maintenance system subclasses include: the energy pile bridge face deicing system, the lamplight system, the drainage system and the traffic system;
wherein, energy stake bridge face deicing system subclass: the system comprises a pump type subclass, a pile foundation type subclass and a bridge deck subclass;
wherein, pump type subclass includes: a circulating water pump subclass, a heat pump subclass;
wherein, pile foundation heat exchange tube subclass includes: single U-type subclass, single spiral subclass, parallel double U-type subclass, serial double U-type subclass, W-type subclass, 5U-type subclass;
wherein, bridge deck sub-category includes: bridge deck heat exchange tubes;
wherein, bridge deck heat exchange tube subclass includes: lane type subclasses and even distribution type subclasses;
bridge construction subclasses, including: a superstructure system, a substructure system.
Further, the cost calculation rule includes:
cost regulation of pile foundation heat exchange pipes, cost regulation of bridge deck heat exchange pipes, cost regulation of pumps and total equipment cost regulation;
the pile foundation heat exchange tube has regular cost and can be obtained by the following formula:
wherein i represents an i-th type pile,is the length of the heat exchange tube in the i-shaped pile foundation, < + >>The unit price of the heat exchange tube in the i-shaped pile foundation is N i Is the number of i-type pile foundations, C PT The cost of the heat exchange tube in the pile foundation is;
the bridge deck heat exchange tube has regular cost and can be obtained by the following formula:
wherein j is the j-th bridge deck,the unit price of the heat exchange tube in the j-th bridge deck is +.>The length of the heat exchange tube in the j-th bridge deck is N j For the number of the j-th bridge deck boards, C BT The cost of the heat exchange tube in the bridge deck is reduced;
the cost rule of the pump can be derived from the following formula:
where k is the k-th type of pump,monovalent for type k pump,/->For the number of k-th type pumps, C P Is the cost of the pump;
the overall equipment cost rule may be derived from the following formula:
C E =C PT +C BT +C P (4)
wherein C is PT C is the cost of the heat exchange tube in the pile foundation BT C is the cost of the heat exchange tube in the bridge deck P For the cost of the pump, C E Is the total equipment cost.
Further, the heat extraction rule includes:
the energy pile bridge face deicing system extracts regular heat, the energy pile bridge face deicing system heats the total heat regularly, the bridge deck total heating area is regular;
the heat rule extracted by the energy pile bridge face deicing system can be obtained by the following formula:
in the formula, i represents different types of pile foundations,for the heat extractable per meter of the i-th pile, < > for the i-th pile>Is the length of the i-th pile, N i Is the number of i-th type piles, Q s o urce Total heat extracted for the energy pile;
the heating total heat rule of the energy pile bridge face deicing system can be obtained by the following formula:
wherein COP is the coefficient of performance, Q, of the heat pump s o urce Total heat extracted for energy pile, Q heat The deicing system with the heat pump can obtain heat;
the bridge deck total heating area is regular and can be obtained by the following formula:
wherein j represents a j-th bridge deck,heating area of the j-th bridge deck, N j The number of the j-th bridge deck boards is A heat Is the total heating area of the deicing system.
Further, the heat flux rule includes:
a heat flux rule without a heat pump and a heat flux rule with a heat pump;
the heat flux rule without heat pump can be obtained by the following formula:
in which Q source For total heat extracted by the energy pile, A heat Q is the heat flux provided by the bridge deck deicing system without a heat pump;
the heat flux rule when the heat pump exists can be obtained by the following formula:
in which Q source Total heat provided for deicing system in which heat pump is installed, A heat Q is the total heating area of the deicing system pump The heat flux is provided for the bridge deck deicing system without the heat pump.
Further, the pile foundation bearing capacity calculation rule can be obtained by the following formula:
in the formula, i is an ith pile foundation,is the ultimate vertical bearing capacity of the i-th pile, K is the safety coefficient, N i Q is the total vertical load capacity provided by the deicing system for the number of i-th piles.
The invention establishes the comprehensive ontology model of the energy pile bridge face deicing system, inputs design alternatives through the model platform, and after the ontology model is operated, the inference engine and the preset semantic rules can obtain the implicit relation and the data association of each field to generate new facts and evaluation data,
the performance of the energy pile bridge face deicing system can be measured from a macroscopic angle, the performance index of the energy pile bridge face deicing system is quantized, the optimal scheme is selected from alternative schemes instead of being designed according to experience or a single target, the working efficiency and performance of the design are greatly improved, and the system design scheme is optimized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for evaluating an energy pile bridge face deicing system based on a body of the present invention;
FIG. 2 is a schematic diagram of a prior art energy pile bridge deck deicing system;
FIG. 3 is a unified modeling language table of the bridge deck deicing system of the present invention;
FIG. 4 is a schematic diagram of an interface associated with the present invention;
FIG. 5 is a diagram of the operation of the present invention in a knowledge base management platform;
FIG. 6 is a case information diagram of the deicing system for energy pile bridge deck according to the present invention;
FIG. 7 is a diagram of an interface for querying all design indicators according to the present invention;
FIG. 8 is a design solution interface where the query solution of the present invention is feasible and less than 2 thousand;
FIG. 9 is a schematic diagram of a basic data interface of the present invention for providing an energy pile bridge face deicing system;
FIG. 10 is a schematic representation of attributes of multiple classes according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides an evaluation method for an energy pile bridge face deicing system based on a body, as shown in fig. 1, comprising the following steps:
step 101, setting basic data of an energy pile bridge face deicing system, wherein the basic data comprise: energy pile foundation heat exchange parameters, bridge deck heat exchange, pump type parameters and parameters;
specifically, in this embodiment, the energy pile foundation heat exchange parameters include: the total cost, the safety coefficient, the total vertical bearing capacity, the calculated heat flux, the actual heat flux, the heat flux with the heat pump, the total extracted heat, the total heating heat, the evaluation and other attributes;
pile foundation heat exchange tube parameters include: the length, the number, the ultimate vertical bearing capacity of the single pile, the heat exchange capacity of the unit pile and the like;
pump type parameters, including: data attributes such as cost, quantity, energy efficiency ratio, power and the like;
bridge deck heat exchange tube parameters, including: length and monovalent attributes.
As shown in FIG. 9, when basic data is set and properties are added, some data such as electricity price and the like can be directly imported from a database, some data are needed to be manually added, and other data such as equipment cost and CO saving and discharging 2 The method is obtained by SWRL rule reasoning operation.
The corresponding entity case, i.e. the individal, is established according to engineering design requirements, and the instance established in the step is a concrete instance of the class and is not an abstract concept, and the same kind of the entity case has own position and hierarchy structure. The steps in setting up the instance are: (1) selecting a class in which an instance needs to be established; (2) creating an instance in the selected class; (3) adding attributes to the instance. When adding properties, some data can be directly imported from the database, and specific engineering data needs to be manually added. There are mainly five data types in the ontology regarding the data types: string, number, bootie, event-type. Since design cases will involve a large number of operations and a variety of data types, the data types may be selected according to requirements.
102, defining a plurality of classes corresponding to the ontology model and attributes corresponding to the classes according to the basic data, wherein the attributes comprise relationships and data properties among the classes;
specifically, as shown in FIG. 10, the attributes of a class typically include two classes, namely Object properties and Data properties. The relationship between classes is defined in Object properties, and if the type of the heat exchange tube of the bored pile is a single U type in this embodiment, the class of the cast-in-situ pile and the single U type may be connected by means of the has_heat_exchange_tube_type, which may be denoted as the cast-in-situ pile-has_heat_exchange_transfer_tube_type. Data properties indicate the Data properties of the class, such as the price, length, etc. of the heat exchange tube; if 120 bored piles with the pile length of 20 meters are indicated, number, length and other Data properties can be added into the category of the piling_pile. Typically defining classes and their hierarchical relationships is done across the nature of the defining class.
The creation class includes the following three methods.
1) The method from top to bottom comprises the following steps: the method starts from the most basic concept in the field, and refines and specializes basic terms and concepts, for example, a heat pump in a ground source heat pump system is a basic concept, can be used as an upper class, and can be provided with different classifications of ground source heat pumps, such as a gas source heat pump, a ground source heat pump, a water source heat pump and the like.
2) The method comprises the following steps: the method starts by defining the most specific classes (the bottom layer of the hierarchy) and then groups these classes into a more general concept. Specific classes such as tunnel lining, primary support, secondary support, etc. can be categorized as structural classes of tunnels.
3) The combination method comprises the following steps: the combinatorial development process is a combination of top-down and bottom-up methods, we first define the salient concepts, then appropriately generalize and specialize them, then we can link them with a mid-level concept, in an energy stake system, we first define the concept of energy stake, then it involves the ground source heat pump system and building structure, from which the classes of ground source heat pump system and building structure are re-established.
Step 103, an evaluation rule of the energy pile bridge face deicing system is prepared by adopting a semantic network rule, wherein the evaluation rule comprises the following steps: feasibility rules, cost calculation rules, heat extraction rules, heat flux calculation rules and pile foundation bearing capacity calculation rules of the deicing system;
in the embodiment, SWRL semantic network rules are adopted, and corresponding feasibility evaluation rules, cost calculation rules, heat extraction rules, heat flux calculation rules and pile foundation bearing capacity calculation rules of the energy pile bridge surface deicing system are formulated by defining classes and attributes of the classes. The SWRL rule language can be perfectly connected with the ontology, and can be written and operated in a prot g software environment, and most importantly, the SWRL rule can be transplanted and multiplexed along with the ontology model.
Typically, there are four atoms in the SWRL rule, respectively: a class atom; single attribute atoms; a data attribute atom; built-in atoms, atoms are connected by "? "used to represent a variable, such as (. A single attribute atom contains an OWL ontology of object attributes and two variables, each representing an individual in the ontology. If "haspin" then represents that the energy pile system contains pile foundations, it may be expressed in its entirety as haspin (. The data attribute atom is similar to the single attribute atom and also includes two variables, such as the length of the stub can then be expressed as (. The built-in atoms can support functions such as mathematical computation, such as addition, subtraction, multiplication and division, absolute value taking, square, power and other common computation functions.
After specific reasoning and calculation are carried out on the ontology model, SQWRL screening rules are required to be defined in order to effectively acquire useful information and screen data required by the ontology model according to different requirements. The SQWRL rule language is basically the same as SWRL rule and is a rule language based on semantic net, and the SQWRL rule language can be written and operated in a prot g software environment and can also be transplanted and multiplexed along with an ontology model.
And 104, assigning values to the classes according to parameters corresponding to the basic data, obtaining a plurality of designs of the energy pile bridge face deicing system according to the assigned classes, the attributes corresponding to the classes and the evaluation rules, and selecting the designs of the energy pile bridge face deicing system by adopting the required parameters.
Specifically, the energy pile bridge face deicing system relates to the fields of bridge safety, heating ventilation, mechanical equipment and the like, and a comprehensive body model of the energy pile bridge face deicing system is built in several fields, wherein the energy pile bridge face deicing system is shown in fig. 2. The ontology model architecture is shown in fig. 3.
After the alternative scheme example is established, the established comprehensive knowledge base of the energy pile system body is operated, and an inference machine and a preset inference rule infer the implicit relation and the data association of the energy pile system to generate new facts and evaluation data. As shown in fig. 5, the implementation path is operating in a knowledge base management platform.
According to the embodiment, semantic rule writing is carried out through an SWRL Tab plug-in a prot g software platform, subclasses and attributes thereof are called, related indexes are calculated in an inference mode, and a design scheme is evaluated according to heat flux. The relevant interfaces of the software platform are shown in fig. 4.
The embodiment corresponds to total equipment cost, heat flux, bearing capacity, pump type and evaluation, and corresponding information can be easily inquired by inputting an SQWRL inquiry language, namely a demand parameter, into an inquiry component SQWRLTab. Table 1 is a query statement screening cost, load capacity, design heat flux, heat pump heat flux, and evaluated SQWRL rules. Table 2 is the SQWRL statement that queries device cost. Table 3 is the SQWRL statement of query bearing capacity. Table 4 is the SQWRL statement for the query feasible. Table 5 is the SQWRL statement for a design where the query solution is feasible and the cost is below the threshold.
TABLE 1
SQWRL rule: the pump type subclass is called, the total cost, the total vertical bearing capacity, the design heat flux, the heatless pump heat flux, the heat pump heat flux and the evaluation attribute of the energy pile bridge face deicing system are called, and the total cost, the total vertical bearing capacity, the pump type, the design heat flux, the heatless pump heat flux, the heat pump heat flux and the evaluation attribute are selected.
TABLE 2
The tables indicate cost control amounts, which may be set according to specific design requirements.
SQWRL rule: the method comprises the steps of calling the total cost, the total vertical bearing capacity, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute of the energy pile bridge face deicing system, selecting a design scheme with the total cost less than the total cost, and selecting the total cost, the total vertical bearing capacity, the pump type, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute.
TABLE 3 Table 3
The lower limit of pile foundation bearing capacity is shown in the table and can be set according to specific engineering.
SQWRL rule: the method comprises the steps of calling the total cost, the total vertical bearing capacity, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute of the energy pile bridge face deicing system, selecting a design scheme with the total bearing capacity larger than the total bearing capacity, and selecting the total cost, the total vertical bearing capacity, the pump type, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute.
TABLE 4 Table 4
SQWRL rule: the method comprises the steps of calling the total cost, the total vertical bearing capacity, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute of the energy pile bridge face deicing system, selecting a design scheme that the heat pump heat flux is larger than the design heat flux, and selecting the total cost, the total vertical bearing capacity, the pump type, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute.
TABLE 5
* Representing a cost control threshold amount, may be set according to specific design requirements.
SQWRL rule: the method comprises the steps of calling the total cost, the total vertical bearing capacity, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute of the energy pile bridge face deicing system, selecting a design scheme with the cost lower than a threshold value, selecting a design scheme with the heat pump heat flux higher than the design heat flux, and selecting the total cost, the total vertical bearing capacity, the pump type, the design heat flux, the heat pump-free heat flux, the heat pump heat flux and the evaluation attribute.
To better illustrate this embodiment, as shown in fig. 6, an energy pile bridge face deicing system is established to verify that the OntoBDDS can achieve the predetermined function, and achieve the goal of an integrated design. The prototype of this embodiment is a three equal-span slab bridge of Jiangsu Jiangyin, each span is 10m, there are 20 energy piles, in order to guarantee driving safety to the maximum extent, this embodiment only lays the heat exchange tube on the motor vehicle lane, 12 bridge decks of laying the heat exchange tube altogether, the heat exchange tube is selected as PE tube, q 0 Take 80 (w/m) 2 ) The safety factor K is 2. According to the heat supply area and the circulating water quantity, a heat pump type of the alternative scheme is selected as an FSHS44 high-efficiency vortex type ground source heat pump unit, the COP value of the heat pump type is taken as a conservative value of 3, a circulating water pump is a GRG high-temperature pipeline centrifugal pump, and according to the types of bridge deck heat exchangers, pile foundation heat exchangers and pumps of different types,
after the design is established, the OrtoBDDS may generate new facts from the established Ortolog model and preset rules, as shown in FIG. 4, where the corresponding SWRL rules are given in tables 3-5. After operation, the SQWRL query language can be input through the SQWRLQueryTAB plug-in according to the corresponding design requirements, and a design scheme meeting the requirements is queried.
The required information can be easily queried by inputting the SQWRL query language in the query component SQWRLTab. As shown in fig. 5, the SQWRL query language of table 1 is input, and then related information can be queried. Table 6 is a query index information table.
TABLE 6
As shown in fig. 7, the total cost, bearing capacity, pump type, design heat flux, calculation heat flux, evaluation and other information of 12 alternatives are displayed in the system, and the design scheme can be known from the macroscopic aspect through query sentences, so that rules can be obtained, and an ideal design scheme can be obtained.
The most important factor of the bridge deck deicing system is that the bridge deck deicing system can extract clean geothermal energy and save a great deal of cost, so that the calculated heat flux and cost are the most important indexes, and if a design scheme that the heat flux is feasible and the cost is below 2 ten thousand yuan is required to be inquired, an inquiry statement shown in the table 6 can be input, and the inquiry result shown in fig. 8 is obtained. Table 7 is a design where the query scheme is feasible and less than 2 ten thousand in cost.
TABLE 7
As shown in fig. 8, there are three designs meeting the design requirements, and the designs of the heat pump, the lane-type bridge heat exchanger and the 5U-type pile foundation heat exchanger are installed, so that the calculated heat flux is highest, the requirement of main road deicing can be ensured, the cost is lowest, and the design is the best design.
In this embodiment, as shown in fig. 3, defining a plurality of classes corresponding to an ontology model according to basic data includes:
a class of bridge systems comprising: bridge operation and maintenance system and bridge structure;
bridge operation and maintenance system subclasses include: the energy pile bridge face deicing system, the lamplight system, the drainage system and the traffic system;
wherein, energy stake bridge face deicing system subclass: the system comprises a pump type subclass, a pile foundation type subclass and a bridge deck subclass;
wherein, pump type subclass includes: a circulating water pump subclass, a heat pump subclass;
wherein, pile foundation heat exchange tube subclass includes: single U-type subclass, single spiral subclass, parallel double U-type subclass, serial double U-type subclass, W-type subclass, 5U-type subclass;
wherein, bridge deck sub-category includes: bridge deck heat exchange tubes;
wherein, bridge deck heat exchange tube subclass includes: lane type subclasses and even distribution type subclasses;
bridge construction subclasses, including: a superstructure system, a substructure system.
In this embodiment, the feasibility evaluation rule includes: the system has good heat flux, feasible heat flux or not feasible heat flux.
In particular, for the evaluation of deicing systems, the heat flux that the system is capable of providing is mainly compared with the design heat flux, where q 0 To design the heat flux (w/m 2 ) When q is greater than or equal to q 0 When the energy pile bridge face deicing system without the heat pump is used, the design heat flux requirement can be met. The evaluation system results were "excellent". When q pump ≥q 0 And when the energy pile bridge surface deicing system without the heat pump is more than or equal to q, the design heat flux requirement can be met. The evaluation system results were "viable". When q 0 >q pump The energy pile bridge deck evacuation system cannot meet the design heat flux requirements. The evaluation system results in "infeasibility". Table 8 is an energy pile bridge face deicing system evaluation classification table.
TABLE 8
Evaluation | Expression type | Description of the invention |
Excellent (excellent) | q≥q 0 | The energy pile bridge surface deicing system without the heat pump can meet the design heat flux requirement |
Feasible | q pump ≥q 0 ≥q | The energy pile bridge surface deicing system provided with the heat pump can meet the design heat flux requirement |
Not feasible | q 0 >q pump | The deicing system of the bridge surface of the energy pile cannot meet the design heat flux requirement |
The feasibility rules for the system formulated using SWRL rules are shown in table 9.
TABLE 9
Rule 1, evaluation result "excellent"
And (3) calling the design heat flux of the energy pile bridge surface deicing system and the heat flux without the heat pump, and if the heat flux without the heat pump is larger than the design heat flux, evaluating the heat flux without the heat pump as excellent.
Rule 2, evaluation result "feasible"
And (3) calling the design heat flux of the energy pile bridge surface deicing system and the heat flux of the heat pump, and if the heat flux of the heat pump is smaller than the design heat flux and the heat flux of the heat pump is larger than the design heat flux, evaluating the energy pile bridge surface deicing system to be feasible.
Rule 3, evaluation result "infeasible"
And (3) calling the design heat flux of the energy pile bridge surface deicing system and the heat flux of the heat pump, and if the heat flux of the heat pump is smaller than the design heat flux, evaluating the heat pump to be infeasible.
In this embodiment, the cost calculation rule includes: cost regulation of pile foundation heat exchange pipes, cost regulation of bridge deck heat exchange pipes, cost regulation of pumps and total equipment cost regulation;
the cost rule of the pile foundation heat exchange tube can be obtained by the following formula:
wherein i represents an i-th type pile,is the length of the heat exchange tube in the i-shaped pile foundation, < + >>The unit price of the heat exchange tube in the i-shaped pile foundation is N i Is the number of i-type pile foundations, C PT The cost of the heat exchange tube in the pile foundation is;
the bridge deck heat exchange tube has regular cost and can be obtained by the following formula:
wherein j is the j-th bridge deck,the unit price of the heat exchange tube in the j-th bridge deck is +.>The length of the heat exchange tube in the j-th bridge deck is N j For the number of the j-th bridge deck boards, C BT The cost of the heat exchange tube in the bridge deck is reduced;
the cost rule for the pump can be derived from the following equation:
where k is the k-th type of pump,monovalent for type k pump,/->The number of the k-th type pumps, and C is the cost of the pumps;
the overall equipment cost rule can be derived from the following equation:
C E =C PT +C BT +C P (4)
wherein C is PT C is the cost of the heat exchange tube in the pile foundation BT C is the cost of the heat exchange tube in the bridge deck P For the cost of the pump, C E Is the total equipment cost.
The cost calculation rules formulated using SWRL rules are shown in table 10.
Table 10
Rule 1, calculate pile foundation heat exchange tube cost
And calling the pile foundation subclasses and pile foundation heat exchange tube subclasses of the energy pile bridge face deicing system, calling the number attribute of the pile foundation subclasses and the unit price and length attribute of the pile foundation heat exchange tubes, and multiplying and accumulating the number of the pile foundations, the length and the unit price of the pile foundation heat exchange tubes to obtain the cost attribute of the pile foundation heat exchange tubes of the energy pile bridge face deicing system.
Rule 2, calculate bridge floor heat exchange tube cost
And calling bridge deck plate subclasses and bridge deck plate heat exchange tube subclasses of the energy pile bridge deck deicing system, calling the number attribute of the bridge deck plate subclasses, the length and unit price attribute of the bridge deck plate heat exchange tubes, and multiplying and accumulating the number of the bridge deck plates, the length and unit price of the bridge deck plate heat exchange tubes to obtain the bridge deck plate heat exchange tube cost of the energy pile bridge deck deicing system.
Rule 3, calculate cost of pump
And calling pump type subclasses of the energy pile bridge face deicing system, and calling the quantity and unit price attribute of the pump type subclasses to multiply and accumulate the pump type subclasses to obtain the cost of the pump of the energy pile bridge face deicing system.
Rule 4, calculate total equipment cost
And (3) the pile foundation heat exchange tube cost, the bridge deck heat exchange tube cost and the pump cost of the energy pile bridge face deicing system are called and accumulated to obtain the total equipment cost attribute of the energy pile bridge face deicing system.
In this embodiment, the heat extraction rule includes: the energy pile bridge face deicing system extracts regular heat, the energy pile bridge face deicing system heats the total heat regularly, the bridge deck total heating area is regular;
the heat rule extracted by the energy pile bridge face deicing system can be obtained by the following formula:
in the formula, i represents different types of pile foundations,for the heat extractable per meter of the i-th pile, < > for the i-th pile>Is the length of the i-th pile, N i Is the number of i-th type piles, Q source Total heat extracted for the energy pile;
the rule of the total heating heat of the energy pile bridge face deicing system can be obtained by the following formula:
wherein COP is the coefficient of performance, Q, of the heat pump source Total heat extracted for energy pile, Q heat The deicing system with the heat pump can obtain heat;
the total heating area of the bridge deck is regular and can be obtained by the following formula:
wherein j represents a j-th bridge deck,heating area of the j-th bridge deck, N j The number of the j-th bridge deck boards is A heat Is the total heating area of the deicing system.
The heat extraction rules formulated using SWRL rules are shown in table 11.
TABLE 11
Rule 1, calculate heat extracted by energy pile bridge face deicing system
And calling pile foundation subclasses of the energy pile bridge face deicing system, calling the length, the number and the unit pile length heat exchange capacity attribute of the pile foundation subclasses, and multiplying and accumulating the pile foundation subclasses to obtain the total heat extracted by the energy pile bridge face deicing system.
Rule 2, calculating the total heating heat of the deicing system of the energy pile bridge face
And (3) calling a pump type subclass of the energy pile bridge face deicing system, calling the total extracted heat of the energy pile bridge face deicing system, and multiplying the energy efficiency ratio and the energy efficiency ratio by one according to a formula to obtain the heatable total heat of the energy pile bridge face deicing system.
Rule 3, calculating the total heating area of the bridge deck
And calling bridge deck subclasses of the energy pile bridge deck deicing system, calling the number and the heating area of the bridge deck subclasses, and multiplying and accumulating the bridge deck subclasses to obtain the total heating area of the energy pile bridge deck deicing system.
In this embodiment, the heat flux rule includes: a heat flux rule without a heat pump and a heat flux rule with a heat pump;
the heat flux rule without a heat pump can be obtained by:
in which Q source For total heat extracted by the energy pile, A heat Q is the heat flux provided by the bridge deck deicing system without a heat pump;
the heat flux rules with heat pumps can be obtained by:
in which Q source Total heat provided for deicing system in which heat pump is installed, A heat Q is the total heating area of the deicing system pump The heat flux is provided for the bridge deck deicing system without the heat pump.
The heat flux calculation rules formulated using SWRL rules are shown in table 12.
Table 12
Rule 4, calculate heat flux without heat pump
And calling total extracted heat of the energy pile bridge face deicing system, and dividing the heat by the area to obtain the heat flux of the heat pump-free energy pile bridge face deicing system by the attribute of the heating area of the total bridge face plate.
Rule 5, calculate heat flux with heat pump
Invoking total heating heat of the energy pile bridge surface deicing system when the heat pump exists;
and calling the total heating heat and the total heating area of the energy pile bridge surface deicing system, and dividing the total heating heat by the total heating area to obtain the heat flux of the energy pile bridge surface deicing system when the heat pump exists.
In this embodiment, the pile foundation bearing capacity calculation rule can be obtained by the following formula:
in the formula, i is an ith pile foundation,is the ultimate vertical bearing capacity of the i-th pile, K is the safety coefficient, N i Q is the total vertical load capacity provided by the deicing system for the number of i-th piles.
Pile foundation bearing capacity calculation rules formulated by SWRL rules are shown in Table 13.
TABLE 13
Rule 1, calculate the total vertical bearing
And calling pile foundation subclasses of the energy pile bridge face deicing system, and calling the single pile limit vertical bearing capacity and the number of the pile foundation subclasses and the safety coefficient attribute of the energy pile bridge face deicing system, wherein the single pile limit vertical bearing capacity is divided by the safety coefficient and multiplied by the number to obtain the total vertical bearing capacity of the energy pile bridge face deicing system.
The invention can measure the performance of the energy pile bridge surface deicing system from a macroscopic angle, quantize the performance index of the energy pile bridge surface deicing system, select the optimal scheme from alternative schemes, and greatly improve the working efficiency and the performance of the design of the energy pile bridge surface deicing system.
The invention provides a system evaluation method for the integrated design of the deicing system of the bridge surface of the energy pile based on the ontology method and the SWRL rule, which can automatically provide indexes such as economy, heat flux, safety and the like, and comprehensively evaluate the system performance so as to achieve the design optimization in early stage of bridge design. In addition, the invention performs semantic, grammar and regularity test on the established ontology frame, and utilizes a decision system to screen an optimized design scheme according to different design requirements, such as different cost, bearing capacity, heat flux and other design emphasis points, and simultaneously proves the scientificity and feasibility of the ontology frame and the OntoBDDS decision tool of the energy pile bridge face deicing system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (1)
1. The method for evaluating the deicing system of the energy pile bridge surface based on the body is characterized by comprising the following steps of:
setting basic data of an energy pile bridge face deicing system, wherein the basic data comprises: energy pile foundation heat exchange, bridge deck heat exchange, pump type data and parameters;
defining a plurality of classes corresponding to the ontology model and attributes corresponding to the classes according to the basic data, wherein the attributes comprise relationships and data properties among the classes;
an evaluation rule of the energy pile bridge face deicing system is prepared by adopting a semantic network rule, and the evaluation rule comprises the following steps: feasibility rules, cost calculation rules, heat extraction rules, heat flux calculation rules and pile foundation bearing capacity calculation rules of the deicing system;
assigning values to the classes according to parameters corresponding to the basic data, obtaining a plurality of design schemes of the energy pile bridge face deicing system according to the assigned classes, the attributes corresponding to the classes and the evaluation rules, and selecting the design schemes of the energy pile bridge face deicing system by adopting the required parameters;
the defining a plurality of classes corresponding to the ontology model according to the basic data comprises the following steps:
a class of bridge systems comprising: bridge operation and maintenance system and bridge structure;
bridge operation and maintenance system subclasses include: the energy pile bridge face deicing system, the lamplight system, the drainage system and the traffic system;
wherein, energy stake bridge face deicing system subclass: the system comprises a pump type subclass, a pile foundation type subclass and a bridge deck subclass;
wherein, pump type subclass includes: a circulating water pump subclass, a heat pump subclass;
wherein, pile foundation heat exchange tube subclass includes: single U-type subclass, single spiral subclass, parallel double U-type subclass, serial double U-type subclass, W-type subclass, 5U-type subclass;
wherein, bridge deck sub-category includes: bridge deck heat exchange tubes;
wherein, bridge deck heat exchange tube subclass includes: lane type subclasses and even distribution type subclasses;
bridge construction subclasses, including: a superstructure system, a substructure system;
the feasibility evaluation rule includes: the system has good heat flux, the heat flux is feasible or the heat flux is not feasible;
the cost calculation rule includes:
cost regulation of pile foundation heat exchange pipes, cost regulation of bridge deck heat exchange pipes, cost regulation of pumps and total equipment cost regulation;
the pile foundation heat exchange tube has regular cost and can be obtained by the following formula:
wherein i represents an i-th type pile,is the length of the heat exchange tube in the i-shaped pile foundation, < + >>The unit price of the heat exchange tube in the i-shaped pile foundation is N i Is the number of i-type pile foundations, C PT The cost of the heat exchange tube in the pile foundation is;
the bridge deck heat exchange tube has regular cost and can be obtained by the following formula:
wherein j is the j-th bridge deck,the unit price of the heat exchange tube in the j-th bridge deck is +.>The length of the heat exchange tube in the j-th bridge deck is N j For the number of the j-th bridge deck boards, C BT The cost of the heat exchange tube in the bridge deck is reduced;
the cost rule of the pump can be derived from the following formula:
where k is the k-th type of pump,monovalent for type k pump,/->For the number of k-th type pumps, C P Is the cost of the pump;
the overall equipment cost rule may be derived from the following formula:
C E =C PT +C BT +C P (4)
wherein C is PT C is the cost of the heat exchange tube in the pile foundation BT C is the cost of the heat exchange tube in the bridge deck P For the cost of the pump, C E Is the total equipment cost;
the heat extraction rule includes:
the energy pile bridge face deicing system extracts regular heat, the energy pile bridge face deicing system heats the total heat regularly, the bridge deck total heating area is regular;
the heat rule extracted by the energy pile bridge face deicing system can be obtained by the following formula:
in the formula, i represents different types of pile foundations,for the heat extractable per meter of the i-th pile, < > for the i-th pile>Is the length of the i-th pile, N i Is the number of i-th type piles, Q s o urce Total heat extracted for the energy pile;
the heating total heat rule of the energy pile bridge face deicing system can be obtained by the following formula:
wherein COP is the coefficient of performance, Q, of the heat pump s o urce Total heat extracted for energy pile, Q heat The deicing system with the heat pump can obtain heat;
the bridge deck total heating area is regular and can be obtained by the following formula:
wherein j represents a j-th bridge deck,heating area of the j-th bridge deck, N j The number of the j-th bridge deck boards is A heat Is the total heating area of the deicing system;
the heat flux rule includes:
a heat flux rule without a heat pump and a heat flux rule with a heat pump;
the heat flux rule without heat pump can be obtained by the following formula:
in which Q source For total heat extracted by the energy pile, A heat Q is the heat flux provided by the bridge deck deicing system without a heat pump;
the heat flux rule when the heat pump exists can be obtained by the following formula:
in which Q source Total heat provided for deicing system in which heat pump is installed, A heat Q is the total heating area of the deicing system pump The heat flux is provided for the bridge deck deicing system without the heat pump;
the pile foundation bearing capacity calculation rule can be obtained by the following formula:
in the formula, i is an ith pile foundation,is the ultimate vertical bearing capacity of the i-th pile, K is the safety coefficient, N i Q is the total vertical load capacity provided by the deicing system for the number of i-th piles.
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