CN112685808B - Cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system - Google Patents
Cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system Download PDFInfo
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Abstract
The invention discloses a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system, which comprises a cable-stayed bridge evaluation model unit, a structure model unit, a fault recording unit, a Web client, a field acquisition unit, a MongoDB database and an object storage unit, wherein the evaluation model unit sets the structure of a structure model and an intelligent evaluation algorithm, the structure model unit determines the modeling parameters and the component numbering rules of a cable-stayed bridge, and the Web client accesses and edits the MongoDB database and the object storage unit data, correlates the faults, checks the scores and generates a report. According to the method, based on the evaluation model unit, the structural model unit and the disease recording unit, the MongoDB database and the object storage unit are relied on, parametric structure modeling and intelligent evaluation are realized, and the problems that the cable-stayed bridge technical condition evaluation recording process is complicated, unintuitive, inefficient and non-standard, the evaluation process is easy to make mistakes and the like are solved.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system.
Background
The parameterized structure modeling and intelligent evaluation of the cable-stayed bridge is used for evaluating the service state of the cable-stayed bridge by investigating the disease condition of the operating highway cable-stayed bridge to determine whether maintenance treatment is needed, the field work adopts paper-pen recording in the conventional means, the field work adopts manual calculation, the problems of complicated recording process, low efficiency, non-standardization, complex evaluation process, easy error and the like generally exist, the requirement on detection labor is higher, and the influence of the disease development condition on the evaluation result is not considered.
The parameterized structure modeling and intelligent evaluation method for the technical condition of the cable-stayed bridge realizes rapid modeling, efficient acquisition and standard evaluation of the technical condition of the cable-stayed bridge. In the conventional intelligent evaluation of technical conditions, the components of the diseases are represented by numbers when the diseases are recorded, so that the method is not visual and is easy to make mistakes, the sequence numbers of the components at different positions need to be calculated on site, the operation is very inconvenient when the number of the components is large, and the trouble is caused for generating the serial numbers of the disease information components in a detection report. In addition, the conventional intelligent assessment of the technical conditions and the scoring are completely referred to the highway and bridge technical condition assessment regulations, the influence of the disease development condition on the assessment result is not considered, the method for dividing the three grades tends to be stable, the development is slow, the development is fast, the deduction system of the assessment regulation method is corrected, and the method is more scientific and reasonable.
Disclosure of Invention
In order to solve the limitation and defect existing in the prior art, the invention provides a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system, which comprises a cable-stayed bridge evaluation model unit, a structure model unit, a disease entry unit, a Web client, a field acquisition unit, a MongoDB database and an object storage unit, wherein the object storage unit is used for storing the object;
the cable-stayed bridge evaluation model unit is used for determining parts and weights of an upper structure, a lower structure and a bridge deck system, determining possible diseases of different parts and disease conditions and deduction values corresponding to different scales, and increasing the corrected deduction value on the basis of the determination, wherein the corrected deduction value is respectively +0, +5, +10 according to the trend of stability, slow development and fast development;
the structural model unit is used for determining modeling parameters and component numbering rules of the cable-stayed bridge;
the modeling parameters of the cable-stayed bridge determine the number of spans, the number of single-side stiffening beams, the number of tower column sections, the number of single-row supports, the number of cable towers, the number of consolidation piers, the number of cable planes, the number of maximum cables and whether double rows of supports are used as main parameters of an upper structure; setting one part of parameters of the bridge deck system and the lower structure as default parameters, and manually filling the other part of parameters;
the number rules of the components are different in number rules respectively aiming at the stay cable, the anchorage device, the stay cable sheath, the damping device, the stiffening beam and the support;
the disease recording unit is used for establishing a foundation for intelligent evaluation in a unified format and dividing the foundation into disease position description, disease characteristic description, maintenance information and image data;
the position description is divided into region division, transverse coordinates, longitudinal coordinates and supplementary description;
the characteristic description is divided into length, width, maximum seam width, longitudinal spacing, number, supplementary description, scale and correction deduction value;
the maintenance information is a record of a disease treatment method;
the image data is a picture or a video of a disease;
the Web client is used for creating a technical condition evaluation model, inputting a maintenance treatment strategy, importing/establishing basic information, creating a detection project, creating a structure model, generating a component number and viewing/editing a disease description;
the technical condition evaluation model is used for establishing an evaluation model according to the cable-stayed bridge evaluation model unit, adding components, subcomponents and disease types, and inputting deduction values of diseases with different scales and correcting the deduction values;
the field acquisition unit comprises a bridge list, a component list, a disease list, a historical disease list, a disease type list, a disease description, synchronization of diseases to be uploaded and data, and a structural model modification interface;
the MongoDB database is used for storing basic information, a structural model, a component number, disease description, maintenance treatment strategies, technical condition evaluation models and project information of the bridge, and interacts with users through the Web client and the field acquisition unit;
and the object storage unit is used for storing pictures and videos and providing the links for retrieval to the terminal.
Optionally, a parameterized structure is used for modeling;
the step of modeling using a parameterized structure comprises:
according to the cable-stayed bridge evaluation model unit and the structure model unit, when an upper structure is modeled, a span number a, a single-side stiffening girder number b, a tower column section number c, a single-row support number d, a cable plane number e, a maximum cable number f, a cable tower number and a consolidation pier number are selected, whether the double-row support m is used as an upper structure main parameter, when the double-row support is used, m =2, when the single-row support is not used, m =1, and the values of the cable tower number and the consolidation pier number are regulated as follows: when the cable-stayed bridge is the g-th connection of the preset bridge, the sum n of the spans of the front g-1 connection is calculated on the basis value, and the basis value is as follows: 0. 1, \8230 \\8230;, a;
the method comprises the following steps that the total number of stayed cables = the number of pylons multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, wherein the number of the stayed cables on the side of the selected pylon corresponding to the small pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables on the side of the selected last pylon corresponding to the large pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables in the middle is = the number of cable planes multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, and the number of the pylon is determined according to the number selected by the pylon;
the total number of the anchors and the damping devices =2 × the total number of the stay cables, and the number of the anchors and the damping devices per span =2 × the number of the stay cables per span;
the total number of the stay cable sheaths = the total number of the stay cables, and the number of the stay cable sheaths = the number of the stay cables;
the total number of prestressed concrete stiffening beams =2 × (number of single-side stiffening beams b + 3) + (number of spans a-2) × (2 × number of single-side stiffening beams b + 3), the number of prestressed concrete stiffening beams spanning from head to tail = number of single-side stiffening beams b +3, and the number of prestressed concrete stiffening beams spanning from the middle =2 × number of single-side stiffening beams b +3;
the total number of the cable towers = the number of the cable towers multiplied by the number of tower column sections c, wherein the number of the cable towers at the side of the pier large pile number corresponding to the selected cable tower number = the number of the tower column sections c, the number of other cable towers =0, and the number of the cable towers is determined according to the number selected by the cable tower number;
when the cable-stayed bridge is a single-link bridge or a tail-link bridge, the total number of the supports =2 × the number of single-row supports d +2 × whether double-row supports m × the number of single-row supports d × (span a-1-number of consolidation piers) or not, wherein the number of consolidation piers is the number of selected consolidation pier numbers; when the cable-stayed bridge is a first-connection bridge, the total number of the supports = the number of single-row supports d +2 x, whether double-row supports m x the number of single-row supports d x (the span number a-1-the number of consolidation piers);
the bridge deck system is manually filled with the number of other component members except that the set value of the bridge deck pavement system is span a, and the set values of the drainage system, the lighting system and the marking system are 1;
the number of the lower structure piers, the abutment and the abutment foundation is determined by selecting a front abutment, a rear abutment, a front abutment and a rear abutment, selecting and determining a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =1, the number of the piers = a span number-a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =2, the number of the piers = a span number-a-1-cable tower number, wherein the cable tower number is the number of the selected cable tower number, the setting value of the abutment foundation system = the number of the abutment + the number of the piers + the cable tower number, and other parameters are manually filled;
the numbering rules of the components are sequentially numbered from the near tower side to the far tower side and from right to left; the stay cable and the stay cable sheath adopt three-level serial numbers: the cable tower number-cable surface number-cable number, wherein the cable number distinguishes the large pile number side and the small pile number side of the cable tower through a first symbol; anchor tackle and damping device adopt the level four serial numbers: cable tower number-cable surface number-cable number-T or B, wherein T and B represent the tower end and the beam end of the cable; the main beam adopts a second-level number: the beam number is divided into a large pile number side and a small pile number side in the same span through a second symbol; the support adopts the second grade serial number: the pier/platform number-support number is distinguished from the large pile number side and the small pile number side of the same pier through a third symbol; the cable tower adopts a second-level serial number: cable tower number-segment number.
Optionally, the Web client and the field acquisition unit perform disease entry by using a visual tree structure diagram according to a component number rule;
the tree structure chart is divided into 6 layers aiming at the inter-connected structure, namely, a width, a position, a span, a component, a sub-component and a component, a user can directly select a target component to carry out disease entry according to the component numbering rule, and the position comprises a bridge deck system, an upper structure and a lower structure.
Optionally, the field acquisition unit inputs disease position information, feature information and maintenance information when performing disease entry, selects a reasonable scale, considers the correction deduction value, and supports the detector to judge the disease state, and the values are +0, +5, +10 respectively according to the trend of stability, slow development and fast development.
Optionally, when the scale of the stored diseases is 4 or 5 or the diseases develop faster when the on-site acquisition unit performs disease entry, the detection personnel is required to select 3 experts from the expert list to send the disease information through a short message, and the relevant experts are required to contact the responsible personnel of the project immediately to perform remote expert diagnosis.
Optionally, when performing score calculation, the Web client considers the corrected score value on the basis of the corresponding scale score value, and supports score joint calculation.
The invention has the following beneficial effects:
the method has the advantages that the rapid modeling of the technical condition evaluation of the cable-stayed bridge is realized through the parameterized structural modeling, the visualized tree structure diagram is convenient for disease entry, the method is more efficient and intuitive compared with the method for recording the number of the subcomponent components and the serial number of the on-site selected component, and the generation of a detection report disease list is facilitated by uploading formal component numbers as disease information.
The deduction values are corrected by dividing three grades during disease entry, and the three grades tend to be stable, slow in development and fast in development, so that the condition of disease development is considered during intelligent assessment of the technical condition of the cable-stayed bridge.
Drawings
Fig. 1 is a diagram of the overall structure and data transmission path of a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system.
Fig. 2 is a general step and a sub-flowchart of the cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the parameterized structure modeling and intelligent evaluation system for the technical condition of the cable-stayed bridge provided by the present invention is described in detail below with reference to the accompanying drawings.
Example one
The embodiment provides a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system, which comprises a cable-stayed bridge evaluation model unit, a structure model unit, a disease entry unit, a Web client, a field acquisition unit, a MongoDB database and an object storage unit, wherein the MongoDB database is used for storing the fault entry unit;
the cable-stayed bridge evaluation model unit is used for determining parts and weights of an upper structure, a lower structure and a bridge deck system, determining possible diseases of different parts and disease conditions and deduction values corresponding to different scales, and increasing the correction deduction value on the basis of the determination, wherein the correction deduction value is respectively +0, +5, +10 points according to the trend of stability, slow development and fast development;
the structural model unit is used for determining modeling parameters and component numbering rules of the cable-stayed bridge;
the modeling parameters of the cable-stayed bridge determine the number of spans, the number of single-side stiffening beams, the number of tower column sections, the number of single-row supports, the number of cable towers, the number of consolidation piers, the number of cable planes, the number of maximum cables and whether double rows of supports are used as main parameters of an upper structure; setting one part of parameters of the bridge deck system and the lower structure as default parameters, and manually filling the other part of parameters;
the number rules of the components are different, and different number rules are set for the stay cable, the anchorage device, the stay cable sheath, the damping device, the stiffening beam and the support respectively;
the disease recording unit is used for establishing a foundation for intelligent evaluation in a unified format and dividing the foundation into disease position description, disease characteristic description, maintenance information and image data;
the position description is divided into region division, transverse coordinates, longitudinal coordinates and supplementary description;
the characteristic description is divided into length, width, maximum seam width, longitudinal spacing, quantity, supplementary description, scale and correction deduction value;
the maintenance information is a record of a disease treatment method;
the image data is a picture or a video of a disease;
the Web client is used for creating a technical condition evaluation model, inputting a maintenance treatment strategy, importing/establishing basic information, creating a detection project, creating a structure model, generating a component number and viewing/editing a disease description;
the technical condition evaluation model is used for establishing an evaluation model according to the cable-stayed bridge evaluation model unit, adding components, subcomponents and disease types, and inputting deduction values of diseases with different scales and correcting the deduction values;
the field acquisition unit comprises a bridge list, a component list, a disease list, a historical disease list, a disease type list, a disease description, synchronization of diseases to be uploaded and data, and a structural model modification interface;
the MongoDB database is used for storing basic information, a structural model, a component number, disease description, maintenance treatment strategies, technical condition evaluation models and project information of the bridge, and interacts with users through the Web client and the field acquisition unit;
and the object storage unit is used for storing pictures and videos and providing retrieval links for the terminal.
Optionally, using a parameterized structure for modeling;
the step of modeling using a parameterized structure comprises:
according to the cable-stayed bridge evaluation model unit and the structure model unit, when an upper structure is modeled, a span number a, a single-side stiffening girder number b, a tower column section number c, a single-row support number d, a cable plane number e, a maximum cable number f, a cable tower number and a consolidation pier number are selected, whether the double-row support m is used as an upper structure main parameter, when the double-row support is used, m =2, when the single-row support is not used, m =1, and the values of the cable tower number and the consolidation pier number are regulated as follows: when the cable-stayed bridge is the g-th connection of the preset bridge, the sum n of the spans of the front g-1 connection is calculated on the basis value, and the basis value is as follows: 0. 1, \8230 \\8230;, a;
the method comprises the following steps that the total number of stayed cables = the number of pylons multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, wherein the number of the stayed cables on the side of the selected pylon corresponding to the small pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables on the side of the selected last pylon corresponding to the large pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables in the middle is = the number of cable planes multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, and the number of the pylon is determined according to the number selected by the pylon;
the total number of the anchorage devices and the damping devices is =2 multiplied by the total number of the stay cables, and the number of the anchorage devices and the damping devices of each span is =2 multiplied by the number of the stay cables of each span;
the total number of the stay cable sheaths = the total number of the stay cables, and the number of the stay cable sheaths = the number of the stay cables;
the total number of prestressed concrete stiffening beams =2 × (number of single-side stiffening beams b + 3) + (number of spans a-2) × (number of single-side stiffening beams b + 3), the number of prestressed concrete stiffening beams spanning from head to tail = number of single-side stiffening beams b +3, and the number of prestressed concrete stiffening beams spanning from the middle =2 × number of single-side stiffening beams b +3;
the total number of the cable towers = the number of the cable towers multiplied by the number of tower column sections c, wherein the number of the cable towers at the side of the pier large pile number corresponding to the selected cable tower number = the number of the tower column sections c, the number of other cable towers =0, and the number of the cable towers is determined according to the number selected by the cable tower number;
when the cable-stayed bridge is a single-link bridge or a tail-link bridge, the total number of the supports =2 × the number of single-row supports d +2 × whether double-row supports m × the number of single-row supports d × (span a-1-number of consolidation piers) or not, wherein the number of consolidation piers is the number of selected consolidation pier numbers; when the cable-stayed bridge is a first-connection bridge, the total number of the supports = the number of single-row supports d +2 x, whether double-row supports m x the number of single-row supports d x (the span number a-1-the number of consolidation piers);
the bridge deck system is characterized in that the number of other component members is manually filled except that the set value of the bridge deck pavement system is span number a, and the set values of the drainage system, the lighting system and the marking system are 1;
the number of the lower structure piers, the abutment and the abutment foundation is determined by selecting a front abutment, a rear abutment, a front abutment and a rear abutment, selecting and determining a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =1, the number of the piers = a span number-a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =2, the number of the piers = a span number-a-1-cable tower number, wherein the cable tower number is the number of the selected cable tower number, the setting value of the abutment foundation system = the number of the abutment + the number of the piers + the cable tower number, and other parameters are manually filled;
the numbering rules of the components are sequentially numbered from the near tower side to the far tower side and from right to left; the stay cable and the stay cable sheath adopt three-level serial numbers: the cable tower number-cable surface number-cable number, wherein the cable number distinguishes the large pile number side and the small pile number side of the cable tower through a first symbol; anchor tackle and damping device adopt the level four serial numbers: cable tower number-cable surface number-cable number-T or B, wherein T and B represent the tower end and the beam end of the cable; the main beam adopts a second-level serial number: the beam number is distinguished on the side of the pile number with the same span through a second symbol; the support adopts the second grade serial number: the pier/platform number-support number is distinguished from the large pile number side and the small pile number side of the same pier through a third symbol; the cable tower adopts a second-level serial number: pylon number-segment number.
Optionally, the Web client and the field acquisition unit adopt a visual tree structure diagram to perform disease entry according to a component numbering rule;
the tree structure chart is divided into 6 layers aiming at the inter-connected structure, namely, a breadth, a position, a span, a component, a sub-component and a component, a user can directly select a target component according to a component numbering rule to carry out disease entry, and the position comprises a bridge deck system, an upper structure and a lower structure.
Optionally, the field acquisition unit inputs disease position information, feature information and maintenance information when performing disease entry, selects a reasonable scale, considers a correction deduction value, supports a detector to judge a disease state, and respectively counts +0, +5, +10 according to a trend of stability, slow development and fast development.
Optionally, when the scale of the stored diseases is 4 or 5 or the diseases develop faster when the on-site acquisition unit performs disease entry, the detection personnel is required to select 3 experts from the expert list to send the disease information through a short message, and the relevant experts are required to contact the responsible personnel of the project immediately to perform remote expert diagnosis.
Optionally, when performing score calculation, the Web client considers the correction discount value on the basis of the corresponding scale discount value, and supports the score joint calculation.
In order to overcome the defects of the prior art, the embodiment provides a parameterized structure modeling and intelligent evaluation method for the technical condition of the cable-stayed bridge, so that the rapid modeling, efficient acquisition and standard evaluation of the technical condition of the cable-stayed bridge are realized, and the workload of field acquisition and interior evaluation is reduced.
Fig. 1 is a diagram of the overall structure and data transmission path of a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system. As shown in fig. 1, the present embodiment provides a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation method, which includes a cable-stayed bridge evaluation model standard, a structure model standard, a disease entry standard, a Web client, a field collection APP, a MongoDB database, and an object storage OSS.
The cable-stayed bridge evaluation model standard is used for determining the due parts and weights of an upper structure, a lower structure and a bridge deck system, determining possible diseases of different parts, and disease conditions and deduction values corresponding to different scales, and increasing the correction deduction value on the basis of the determination, wherein the correction deduction value is respectively +0, +5, +10 points according to the trend of stability, slow development and fast development.
And the structural model standard is used for determining modeling parameters and member numbering rules of the cable-stayed bridge.
The modeling parameters of the cable-stayed bridge determine the number of spans, the number of single-side stiffening beams, the number of sections of a tower column, the number of single-row supports, the number of a cable tower, the number of a consolidation pier, the number of cable planes, the number of maximum inhaul cables and whether double rows of supports are used as main parameters of an upper structure; the bridge deck system and the lower structure have default parameters, and partial parameters are manually filled.
The member numbering rules respectively define different numbering rules for the stay cable, the anchorage device, the stay cable sheath, the damping device, the stiffening beam, the support and the like.
The disease entry standard is used for establishing a foundation for intelligent evaluation in a unified format and is divided into disease position description, disease characteristic description, maintenance information and image data.
The position description is divided into area division, transverse coordinates, longitudinal coordinates and supplementary description.
The characteristic description is divided into 7 indexes of length, width, maximum seam width, longitudinal spacing, quantity, supplementary description, scale and correction deduction value.
And the maintenance information is a record of a disease treatment method.
The image data is a picture or a video of a disease.
The Web client is used for creating a technical condition evaluation model, inputting a maintenance treatment strategy, importing/establishing basic information, creating a detection project, creating a structure model, generating a component number and viewing/editing a disease description.
The technical condition evaluation model is used for creating an evaluation model according to the standard of the cable-stayed bridge evaluation model, adding components, subcomponents and disease types, and inputting deduction systems of diseases with different scales and correcting the deduction values.
The field collection APP comprises a bridge list, a component list, a disease list, a historical disease list, a disease type list, a disease description, synchronization of diseases to be uploaded and data and a structural model modification interface.
The MongoDB database is used for storing basic information, a structural model, component numbers and disease description of the bridge, general maintenance and treatment strategies, technical condition evaluation models and project information, and interacting with users through a Web client and a field acquisition APP.
The object storage OSS is used for storing pictures and videos which occupy a large space, providing links for facilitating terminal retrieval, reducing database burden and improving system running speed.
Preferably, the cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation method is characterized in that a parameterized structure modeling method is adopted.
According to the parameterized structure modeling method, according to the evaluation model standard and the structure model standard of a cable-stayed bridge, the span number a, the number b of single-side stiffening girders, the number c of tower column sections, the number d of single-row supports, the number e of cable surfaces, the maximum cable number f, the selection of a cable tower number and a consolidation pier number (the values of the two are 0, 1, 8230; \ 8230;. A, when the cable-stayed bridge is the g-th connection of a certain bridge, the sum of the span number of the front g-1 connection is added to n), and whether a double-row support m (m =2 when the double-row support is used and m =1 when the single-row support is not used) is used as the main parameters of the upper structure during the upper structure modeling.
The total number of the stay cables = the number of pylons (determined according to the number of selected pylon numbers) × 2 × the number of cable planes e × the maximum cable number f, wherein the first selected pylon number corresponds to the number of the cross cables on the small pier number side = the number of cable planes e × the maximum cable number f, the last selected pylon number corresponds to the number of the cross cables on the large pier number side = the number of cable planes e × the maximum cable number f, and the number of the middle cross cables =2 × the number of cable planes e × the maximum cable number f.
The total number of the anchorage devices and the damping devices =2 × the total number of the stay cables, and the number of the anchorage devices and the damping devices per span =2 × the number of the stay cables per span.
The total number of stay cable sheaths = the total number of stay cables, and the number of stay cable sheaths = the number of stay cables.
The total number of prestressed concrete stiffeners =2 × (number of single-side stiffeners b + 3) + (number of spans a-2) × (number of single-side stiffeners b + 3), the number of head-to-tail prestressed concrete stiffeners = number of single-side stiffeners b +3, and the number of intermediate prestressed concrete stiffeners =2 × number of single-side stiffeners b +3.
The total number of the pylons = the number of the pylons (determined by the number selected by the number of the pylons) x the number of the pylon segments c, wherein the number of the pylons on the side of the pier corresponding to the large pile number = the number of the pylon segments c, and the number of the other pylons =0.
When the cable-stayed bridge is a single-link bridge or a tail-link bridge, the total number of the supports =2 × the number of single-row supports d +2 × whether double-row supports m × the number of single-row supports d × (span a-1-number of consolidation piers) or not, wherein the number of consolidation piers is the number of selected consolidation pier numbers; when the cable-stayed bridge is a first-connection bridge, the total number of the supports = the number of single-row supports d +2 × whether double-row supports m × single-row supports d × (span a-1-number of consolidation piers).
The bridge deck system is characterized in that the number of other components is manually filled except that the set value of the bridge deck pavement system is the span number a, and the set values of the drainage system, the illumination system and the sign system are 1.
The number of the lower structure piers, the abutment and the abutment foundation is determined by selecting the front abutment, the rear abutment, the front abutment and the rear abutment and selecting the cable tower number, when the bridge abutment is the front abutment and the rear abutment, the number of the abutment =1, the number of the piers = the span number a-the cable tower number, when the bridge abutment is the front abutment and the rear abutment, the number of the abutment =2, the number of the piers = the span number a-1-the cable tower number, wherein the cable tower number is the number of the selected cable tower number, the setting value of the abutment foundation system = the number of the abutment + the number of the piers + the cable tower number, and other parameters are manually filled.
The numbering rules of the components are sequentially numbered from the near tower side to the far tower side in a right-to-left sequence; the stay cables and the stay cable sheaths adopt three-level serial numbers, namely cable tower numbers, cable plane numbers and cable numbers, and the cable numbers distinguish the large pile number sides and the small pile number sides of the cable tower through' ″; the anchorage device and the damping device adopt four-level numbers, namely cable tower number-cable surface number-cable number-T or B, wherein T and B represent a tower end and a beam end of a stay cable; the main beam adopts a secondary serial number, namely a span number and a beam number, and the beam number distinguishes large pile number sides and small pile number sides of the same span through a' ″; the main beam adopts a second-level number, namely pier/platform number-support number, and the support number is used for distinguishing large pile number side and small pile number side of the same pier through a' ″; the cable tower adopts a second-level serial number, namely a cable tower number and a section number.
Preferably, the cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation method is characterized in that a visual tree structure diagram is adopted by both the Web client and the field collection APP according to the component numbering rule to facilitate disease entry.
The tree structure diagram is divided into 6 layers aiming at the inter-connected structure, namely, a width, a position (a bridge deck system, an upper structure and a lower structure), a span, a component, a sub-component and a component, and a user can directly select a target component to carry out disease entry according to a component numbering rule.
Preferably, the method for modeling and intelligently evaluating the parameterized structure of the technical condition of the cable-stayed bridge is characterized in that after disease position information, characteristic information and maintenance information are input when the APP is collected on site during disease input and reasonable scales are selected, correction deduction values are considered, and detection personnel are supported to judge whether the disease tends to be stable, develops slowly and develops rapidly by +0, +5 and +10 minutes respectively.
Preferably, the method for modeling and intelligently evaluating the parameterized structure of the technical condition of the cable-stayed bridge is characterized in that when the scale of the diseases stored when the APP is subjected to disease entry is acquired on site and is 4 or 5 or the value of the correction deduction value is plus 10, namely the diseases develop rapidly, a tester is required to select 3 experts from an expert list to send the disease information through a short message, and the relevant experts are required to instantly contact a project responsible person to carry out remote expert diagnosis.
Preferably, the cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation method is characterized in that a Web client considers a correction discount score value on the basis of a corresponding scale discount score value when performing score calculation, and supports the joint calculation of scores.
In order to better and clearly understand the technical problems, technical solutions and beneficial effects solved by the present embodiment, the present embodiment is further described in detail below with reference to the accompanying drawings.
FIG. 2 is a general step and sub-flow diagram of a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system. As shown in fig. 2, the method for modeling and intelligently evaluating the parameterized structure of the technical condition of the cable-stayed bridge provided in this embodiment includes 6 steps of interior operations (step S1-step S5, step S8, step 1 may be omitted during normal use), 2 steps of exterior operations:
step S1: according to the technical condition evaluation standard of highway bridges (JTG/T H21-2011), a beam bridge evaluation model is created through a Web client, wherein the beam bridge evaluation model comprises bridge type names, parts, sub-parts, possible disease types of the sub-parts and deduction values corresponding to different scales, and correction values of +0, +5 and +10 are respectively set for three correction levels which tend to be stable, slow in development and fast in development.
Step S2: the Web client establishes a bridge and inputs a bridge name and other necessary basic information.
And step S3: the Web client establishes detection projects, so that different project detection personnel can acquire corresponding bridges by using field acquisition APP, and the following steps are sequentially executed: a general manager of a maintenance unit creates a project, which comprises a project name, a consignment unit, a undertaking unit, plan start and stop time and a project bridge list, when the project bridge is added, the project bridge jumps to a basic information management interface, and the project bridge is selected and added after being screened according to a route, a road section, bridge length classification, an upper structure form, a technical condition grade, a bridge position and the maximum span exceeding X meters; the unit tasks are undertaken and distributed to corresponding project responsible persons, field responsible persons and detection personnel; and the project responsible person selects the detection equipment for the project through the equipment management interface, and the detection equipment information comprises a model, a serial number, precision, a production place, a manufacturer and a state.
And step S4: the Web client side creates a structure model, and a project principal or a technical principal sequentially executes the following steps: selecting a bridge type as a cable-stayed bridge; inputting necessary parameters according to the concrete conditions of the bridge; automatically generating a structural model and numbering; according to specific conditions, local addition, deletion and copy adjustment can be carried out.
Step S5: the method comprises the steps of collecting APP data synchronously on site, clicking data synchronously by project detection personnel, and opening automatically downloadable project information after jumping out of a client, wherein the automatically downloadable project information comprises a project bridge list, a structure model, a subcomponent list, a disease list and the like.
Step S6: disease information is collected, and the following steps are sequentially executed:
(1) Selecting a target bridge and a link number, and clicking a button named as a target link number below the target bridge;
(2) Selecting a target component, and clicking a button named as a target component number below the sub-component in the appearing component list;
(3) Clicking a newly added disease, and clicking a button named as 'newly added' in a list of the newly added diseases;
(4) Selecting a disease type, and clicking a button named as a target disease type name in a popped disease type list;
(5) Filling position information including the vertical and horizontal coordinates and position supplementary description of the disease starting and stopping position;
(6) Filling feature information, including information such as length, width, maximum seam width, area, longitudinal spacing, quantity and the like (the features which need to be filled are specifically configured in a database according to the conditions of different types of diseases), and feature supplementary description;
(7) Selecting maintenance information from the provided options;
(8) Selecting a proper scale according to the disease characteristic information;
(9) Combining historical examination records to select the development condition of the disease from three options of stable trend, slow development and fast development;
(10) Confirming the stored diseases, checking all the input information, clicking to store, and enabling the diseases to appear in a newly added disease list;
(11) And selecting an expert to send a short message, popping up an expert list when the scale of the saved diseases is 4 or 5 or the correction score value is +10, selecting 3 experts to send disease information through the short message, and requiring related experts to instantly contact a project principal to carry out remote expert diagnosis.
Step S8: and (4) uploading the offline data, clicking an uploading button one by one in a newly added disease list, and uploading the offline data and the newly added disease list in a unified mode on a disease interface to be uploaded.
Step S9: and the Web client selects the target bridge and clicks the scoring details after confirming the target bridge, and then clicks to generate a detection report to finish the intelligent evaluation of the technical condition of the cable-stayed bridge.
The embodiment provides a cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation method, which comprises a cable-stayed bridge evaluation model standard, a structure model standard, a disease entry standard, a Web client, a field acquisition APP, a MongoDB database and an object storage OSS; evaluating the model standard, and setting the structure of the structural model and an intelligent evaluation algorithm; the structural model standard is used for determining the modeling parameters and the component numbering rules of the cable-stayed bridge; the Web client accesses and edits the MongoDB database, stores OSS data of the object, automatically and manually associates diseases, checks scores and generates a report; collecting APP on site, developing according to structural model standards and disease collection standards, and uploading and downloading data for a MongoDB database and an object storage OSS; the MongoDB database stores data such as basic information, a structural model, a component number, a disease position, characteristic description and the like of the bridge; the object stores OSS, stores the disease picture, provides link and is convenient to call and read. According to the method, the Web client is developed by relying on the MongoDB database and the object storage OSS on the basis of the evaluation model standard, the structural model standard and the disease entry standard, the APP is collected on site, the parameterized structural modeling and the intelligent evaluation are realized, and the problems that the cable-stayed bridge technical condition evaluation recording process is complicated, unintuitive, inefficient and non-standard, the evaluation process is easy to make mistakes and the like are solved.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. A cable-stayed bridge technical condition parameterized structure modeling and intelligent evaluation system is characterized by comprising a cable-stayed bridge evaluation model unit, a structure model unit, a disease entry unit, a Web client, a field acquisition unit, a MongoDB database and an object storage unit;
the cable-stayed bridge evaluation model unit is used for determining parts and weights of an upper structure, a lower structure and a bridge deck system, determining possible diseases of different parts and disease conditions and deduction values corresponding to different scales, and increasing the corrected deduction value on the basis of the determination, wherein the corrected deduction value is respectively +0, +5, +10 according to the trend of stability, slow development and fast development;
the structural model unit is used for determining modeling parameters and component numbering rules of the cable-stayed bridge;
the modeling parameters of the cable-stayed bridge determine the number of spans, the number of single-side stiffening beams, the number of tower column sections, the number of single-row supports, the number of cable towers, the number of consolidation piers, the number of cable planes, the number of maximum cables and whether double rows of supports are used as main parameters of an upper structure; setting one part of parameters of the bridge deck system and the lower structure as default parameters, and manually filling the other part of parameters;
the number rules of the components are different in number rules respectively aiming at the stay cable, the anchorage device, the stay cable sheath, the damping device, the stiffening beam and the support;
the disease recording unit is used for establishing a foundation for intelligent evaluation in a unified format and dividing the foundation into disease position description, disease characteristic description, maintenance information and image data;
the position description is divided into area division, transverse coordinates, longitudinal coordinates and supplementary description;
the characteristic description is divided into length, width, maximum seam width, longitudinal spacing, number, supplementary description, scale and correction deduction value;
the maintenance information is a record of a disease treatment method;
the image data is a picture or a video of a disease;
the Web client is used for creating a technical condition evaluation model, inputting a maintenance treatment strategy, importing/establishing basic information, creating a detection project, creating a structure model, generating a component number and viewing/editing a disease description;
the technical condition evaluation model is used for establishing an evaluation model according to the cable-stayed bridge evaluation model unit, adding components, subcomponents and disease types, and inputting deduction systems of diseases with different scales and correcting deduction values;
the field acquisition unit comprises a bridge list, a component list, a disease list, a historical disease list, a disease type list, a disease description, synchronization of diseases to be uploaded and data, and a structural model modification interface;
the MongoDB database is used for storing basic information, a structural model, a component number, a disease description, maintenance and treatment countermeasures, a technical condition evaluation model and project information of a bridge, and is interacted with a user through the Web client and the field acquisition unit;
the object storage unit is used for storing pictures and videos and providing retrieval links for the terminal;
the step of modeling using a parameterized structure comprises:
according to the cable-stayed bridge evaluation model unit and the structural model unit, when an upper structure is modeled, a span number a, a single-side stiffening girder number b, a tower column section number c, a single-row support number d, a cable plane number e, a maximum cable number f, a cable tower number and a consolidation pier number are selected, whether the double-row support m is used as an upper structure main parameter or not, when the double-row support m =2, when the single-row support is not used, the cable tower number and the consolidation pier number m =1, and the values of the cable tower number and the consolidation pier number are regulated as follows: when the cable-stayed bridge is the g-th connection of the preset bridge, the sum n of the spans of the front g-1 connection is calculated on the basis value, and the basis value is as follows: 0. 1, \8230;, a;
the method comprises the following steps that the total number of stayed cables = the number of pylons multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, wherein the number of the stayed cables on the side of the selected pylon corresponding to the small pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables on the side of the selected last pylon corresponding to the large pier number is = the number of cable planes multiplied by the maximum cable number f, the number of the stayed cables in the middle is = the number of cable planes multiplied by 2 times the number of cable planes multiplied by the maximum cable number f, and the number of the pylon is determined according to the number selected by the pylon;
the total number of the anchorage devices and the damping devices is =2 multiplied by the total number of the stay cables, and the number of the anchorage devices and the damping devices of each span is =2 multiplied by the number of the stay cables of each span;
the total number of the stay cable sheaths = the total number of the stay cables, and the number of the stay cable sheaths = the number of the stay cables;
the total number of prestressed concrete stiffening beams =2 × (number of single-side stiffening beams b + 3) + (number of spans a-2) × (number of single-side stiffening beams b + 3), the number of prestressed concrete stiffening beams spanning from head to tail = number of single-side stiffening beams b +3, and the number of prestressed concrete stiffening beams spanning from the middle =2 × number of single-side stiffening beams b +3;
the total number of the cable towers is = the number of the cable towers multiplied by the number of the tower column sections c, wherein the number of the cable towers on the side of the large pile number corresponding to the abutment is selected = the number of the tower column sections c, the number of other cable towers is =0, and the number of the cable towers is determined according to the number selected by the cable towers;
when the cable-stayed bridge is a single-link bridge or a tail-link bridge, the total number of the supports =2 × the number of single-row supports d +2 × whether double-row supports m × the number of single-row supports d × (span a-1-number of consolidation piers) or not, wherein the number of consolidation piers is the number of selected consolidation pier numbers; when the cable-stayed bridge is a first-line bridge, the total number of the supports = the number d +2 times of the single-row supports, whether the double-row supports m times of the single-row supports d x (the span number a-1-the number of the consolidation piers);
the bridge deck system is characterized in that the number of other component members is manually filled except that the set value of the bridge deck pavement system is span number a, and the set values of the drainage system, the lighting system and the marking system are 1;
the number of the lower structure piers, the abutment and the abutment foundation is determined by selecting a front abutment, a rear abutment, a front abutment and a rear abutment, selecting and determining a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =1, the number of the piers = a span number-a cable tower number, when the bridge abutment is connected with the front abutment and the rear abutment, the number of the abutment =2, the number of the piers = a span number-a-1-cable tower number, wherein the cable tower number is the number of the selected cable tower number, the setting value of the abutment foundation system = the number of the abutment + the number of the piers + the cable tower number, and other parameters are manually filled;
the numbering rules of the components are sequentially numbered from the near tower side to the far tower side and from right to left; the stay cable and the stay cable sheath adopt three-level serial numbers: the cable tower number-cable surface number-cable number, wherein the cable number distinguishes the large pile number side and the small pile number side of the cable tower through a first symbol; the anchorage device and the damping device adopt four-stage numbering: cable tower number-cable surface number-cable number-T or B, wherein T and B represent the tower end and the beam end of the cable; the main beam adopts a second-level number: the beam number is distinguished on the side of the pile number with the same span through a second symbol; the support adopts the second grade serial number: the pier/platform number-support number is distinguished from the large pile number side and the small pile number side of the same pier through a third symbol; the cable tower adopts a second-level serial number: pylon number-segment number.
2. The system for modeling and intelligently evaluating the parameterized structure of the technical conditions of the cable-stayed bridge according to claim 1, wherein the Web client and the field acquisition unit adopt a visualized tree structure diagram for disease entry according to a component numbering rule;
the tree structure chart is divided into 6 layers aiming at the inter-connected structure, namely, a width, a position, a span, a component, a sub-component and a component, a user can directly select a target component to carry out disease entry according to the component numbering rule, and the position comprises a bridge deck system, an upper structure and a lower structure.
3. The system for parametric structure modeling and intelligent assessment of technical conditions of cable-stayed bridges according to claim 1, characterized in that the site acquisition unit inputs disease position information, characteristic information and maintenance information when performing disease entry, selects a reasonable scale, considers correction deduction values, supports the inspector to judge the disease state, and counts +0, +5, +10 according to the trend of stability, slow development and fast development respectively.
4. The system for parametric structure modeling and intelligent assessment of technical conditions of cable-stayed bridges according to claim 1, wherein when the scale of the diseases stored by the field acquisition unit during disease entry is 4 or 5 or the diseases develop faster, the field acquisition unit requires a tester to select 3 experts from the expert list to send disease information through a short message, and requires the relevant experts to instantly contact a project principal to perform remote expert diagnosis.
5. The system for parameterized and structurally modeling and intelligently evaluating the technical conditions of cable-stayed bridges according to claim 1, wherein the Web client considers the correction deduction values on the basis of corresponding scale deduction values when performing the calculation of the deduction, so as to support the calculation of the points in a couplet way.
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