A design method for cable structure tooling system based on the mechanical performance of the entire construction process

Abstract

The present invention provides a cable structure tooling system design method based on the stress performance of the entire construction process, belongs to the tooling design and cable structure construction technical fields of building engineering, provides a basic process of optimal design and analysis of the cable structure tooling system, optimizes the performance of the tooling system by iterative calculation, provides a method for establishing a numerical model at different stages of tooling design, a method for determining a tooling system resistance design value, a method for selecting and verifying components of the tooling system, a method for establishing a refined numerical model of the tooling system, and a performance design.

Description

Technical Field

[0001] The invention relates to the technical field of tooling design for construction engineering and cable structure construction, and in particular to a cable structure tooling system design method based on the force performance during the entire construction process. Background Art

[0002] The current cable structure design and construction specifications only provide the basic principles that should be followed in the design of the tooling system, mainly including the recommended types of tooling cables, the main contents of the tooling system bearing capacity verification and the relationship between the working capacity of the tooling system and the tensioning force or traction force. There is no complete basic process and optimization analysis method for the design of cable lifting and tensioning tooling, nor is there a specific method for establishing the design calculation model. When designing the tooling system, in addition to determining the contents of the tooling system bearing capacity verification based on the tensioning force, the typical working conditions should be selected according to the construction plan and site characteristics to calculate the maximum cable force, and supplementary verification of the tooling system bearing capacity should be carried out. Summary of the invention

[0003] The purpose of the present invention is to provide a cable structure tooling system design method based on the stress performance of the entire construction process, in order to solve the technical problems mentioned in the above background technology.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] A cable structure tooling system design method based on the mechanical performance of the entire construction process includes the following steps:

[0006] Step S1: Establish a numerical analysis model of the cable structure according to the design requirements. The tooling system includes jacks, tooling cables and main steel components. The unit division of the target cable is adjusted so that the total number of units is not less than 5 and the unit length is evenly divided. The total mass of the tooling system and the target cable node is equivalent to the node concentrated mass.

[0007] Step S2: Apply the construction stage load according to the construction plan, conduct simulation analysis of the entire construction process, calculate and compare various typical working conditions, and output the target cable maximum cable force F i，max ,Pick As the design value of the load-bearing capacity of the tooling system, F t is the design traction or tension of the target cable, and k is the safety factor.

[0008] Step S3: Preliminary design of tooling system, a. According to b. Select the quantity and specifications of each component of the tooling system; b. Design and select the main steel components of the tooling system according to the specifications of the jacks, tooling cables and target cables, installation positioning requirements, and the layout of the jacks; c. Check the stress of the main steel components of the tooling system; d. Statistically calculate the total mass of the tooling system and the target cable node

[0009] Step S4: Calculate the node concentrated mass increment and the increment of the design value of the bearing capacity of the tooling system and respectively with the predetermined mass accuracy m i and cable force accuracy f i Compare, if the accuracy is not met, let Return to step S2 to step S3 to perform iterative calculation until the accuracy requirement is met.

[0010] Step S5: Establish a refined numerical model for the tooling system designed in step S3, according to F i，max The corresponding typical working conditions and Determine the constraints and stress state of the tooling system, perform elastic-plastic stress analysis of the tooling system, judge the stress performance of the tooling system based on the analysis results, and when the performance design requirements are not met, output adjustment and reinforcement measures, and enter the steps S3 to S4 for iterative calculation until the requirements are met.

[0011] Furthermore, the cable structure numerical model established in step S1 is a whole model or a local model of the cable structure including the target cable; the connection node of the cable-rod unit is hinged, and when calculating the cable structure numerical model, the geometric large deformation analysis option is turned on, and the material nonlinearity is considered by setting the material properties of each component. The tooling system does not need to establish a refined model in step S1, and concentrates the mass at the equivalent node. Consider its effects.

[0012] Furthermore, in step S1, the node concentration mass = is equal to the sum of the masses of the tooling system and the target cable node, where the target cable node is the tensioning end node of the cable connected to the tooling system; the tooling cable only includes the mass of the part that overlaps with the jack and the redundant part; at the beginning of the design, Assigned by experience or equal to 0.

[0013] Furthermore, in the simulation analysis of the entire construction process of step S2, the load is applied according to the actual load in the construction stage. According to the site conditions and the construction plan, a variety of typical working conditions are considered, including at least the following three working conditions: working condition 1, when the tooling system is connected to the target cable but not lifted, the construction load is combined with the wind load effect; working condition 2, when the tensioning is nearly completed, the construction load is combined with the wind load effect; working condition 3, when multiple cables of the cable structure are tensioned and nearly completed, the non-synchronous tensioning condition; among them, for the working condition with wind load combination, the effect of multi-directional wind is considered, and the construction process analysis does not take into account the effects of accidental factors such as earthquakes.

[0014] Furthermore, in step S2, the safety factor k is determined as follows: a. When determining the design load-bearing capacity of the traction tooling system and the rated working capacity of the jack, F t is the traction force of the target cable, k≥2.0; b. When determining the design bearing capacity of the tensioning tooling system and the rated working capacity of the jack, F t is the tension of the target cable. When the cable length is adjustable, it is 1.3≤k≤5.0. When the cable length is not adjustable, it is 1.5≤k≤5.0.

[0015] Furthermore, in step S3, according to When selecting the specifications of each component of the tooling system, the following parameters are used: Let the total number of jacks be p, and the total number of target cables connected to a single tooling system be q, then in, and are the component force of the jth jack, the equivalent uniformly distributed force and the contact area between the jack and the main steel structure, and They are respectively the component force of the rth target cable, the equivalent uniformly distributed force and the contact area between the target cable node and the main steel component. According to the above parameters, the force calculation of the main steel components of the tooling system is carried out and reasonable construction measures are taken.

[0016] Furthermore, the mass accuracy m in step S4 is i and cable force accuracy f i It is determined according to the construction design, project importance and project quality requirements. When there is no clear requirement, it is set to less than 10% of the latest iterative calculation result. When the cable tension accuracy requirements are met but the quality accuracy requirements are not met and the iterative calculation has been performed for more than three times, it is considered that the design requirements are met and the loop is exited.

[0017] Furthermore, in step S5, the modeling scope of the refined model is the main steel components of the tooling system, and the jack, tooling cable and target cable are established according to the actual situation or replaced by their effects on the main steel components. and Sure.

[0018] Furthermore, the refinement of the numerical model in step S5 refers to following the following principles when establishing the model: a. According to the force characteristics of each component, select appropriate units and establish the numerical model of each component according to the actual shape; b. Assign material properties to the selected units according to the actual material properties of each component, considering material nonlinearity; c. Unit division meets the requirements of numerical analysis accuracy and can perform geometric nonlinear analysis; d. Set connections and constraints according to the actual conditions of each component of the tooling system; e. Set coupling constraints or contact units between the components of the tooling system, considering contact effects.

[0019] Furthermore, in step S5, numerical analysis software is used to perform elastic-plastic stress analysis of each component of the tooling system. The performance design requirements met under the most unfavorable working conditions are determined according to the construction plan and the degree of structural importance. When there are no clear requirements, the following requirements are followed: a. The plastic area of ​​the main steel component is less than 10%; b. The number of bolts entering plasticity is less than 10% of the total number of similar bolts; c. The length of the plastic zone of the non-structural load-bearing weld is less than 20% of the length of the weld; when the performance design requirements are not met, the design plan of the main steel component is adjusted and reinforcement measures are output.

[0020] Compared with the prior art, the present invention has the following characteristics and beneficial effects:

[0021] The present invention provides a complete basic process and optimization analysis method for the design of cable lifting and tensioning tooling, optimizes the design of the tooling system's performance by iterative calculation, provides methods for establishing numerical models at different stages of tooling design, determining the design value of the tooling system's resistance, selecting and verifying the components of the tooling system, and establishing a refined numerical model of the tooling system and performance design. The invention has the characteristics of safety and applicability, has great promotion and practical value, and will produce good economic benefits after widespread promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a flow chart of a cable structure tooling system design method based on the stress performance of the entire construction process disclosed in an embodiment of the present invention;

[0023] Figure 2 is a numerical model diagram of a cable structure shown in an embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of a tooling system according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0026] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The described embodiments are part of the embodiments of the present invention, not all of the embodiments. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or their combinations.

[0028] It should be noted that the design and analysis software used here is only for describing specific implementations and is not intended to limit the exemplary implementations according to this application. The choice of specific software should be made by the user based on the consistency of the software functions with the requirements and methods described in this patent.

[0029] Unless otherwise specifically stated, the relative arrangement of the components and steps, the numerical expressions and numerical values ​​described in these embodiments do not limit the scope of the present application; at the same time, it should be understood that for the sake of ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship, the naming of the components is not limited by the proprietary names, and the technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the technologies, methods and equipment should be regarded as part of the authorized specification; in all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation; therefore, other examples of the exemplary embodiments may have different values, and it should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0030] The specific implementation modes of the present invention are described in detail below with reference to the accompanying drawings; Figure 1-3 As shown, the present invention provides a cable structure tooling system design method based on the stress performance of the entire construction process, comprising the following steps:

[0031] Step S1: Use Midas Gen general design analysis software to establish a numerical model of the cable structure according to the design requirements. Figure 2 This is a local diagram of the numerical model of the cable structure. The target cable 2-6 is a lower diameter cable, which is included in the cable-bar system 2-1 of the cable structure. The cable-bar system 2-1 also includes a strut 2-7 and an upper diameter cable 2-8. The unit division of the target cable 2-6 is adjusted, and the unit length division is as uniform as possible, so that the total number of units is not less than 5. Each unit is connected by a hinge node 2-5. Among them, the cable unit selects a truss unit that is only subjected to tension, and the strut selects a general truss unit; the total mass of the tooling system and the target cable node is equivalent to the node concentrated mass i is the number of iterative calculations (i=1, 2, 3, ..., n); the concentrated mass of the node is considered by establishing a mass unit 2-4; one end of the tooling cable 2-3 is connected to the tensioning end of the target cable 2-6, the connection node is the location of the mass unit 2-4, and the other end of the tooling cable 2-3 is connected to the fixed hinge support 2-2.

[0032] Step S2: Apply construction stage loads to the cable structure numerical model according to the construction plan, conduct simulation analysis of the entire construction process, calculate and compare multiple typical working conditions, and output the maximum cable force F at the tensioning end of the target cable 2-6 i，max ,Pick As the resistance design value of the tooling system, i is the number of iterative calculations (i = 1, 2, 3, ..., n), MAX{·} represents the maximum value, and F t is the design traction or tension of the target cable, and k is the safety factor.

[0033] Step S3: Preliminary design of tooling system: a. The tooling system includes jacks, tooling cables and main steel components. The jacks are preferably through-type jacks. conduct Figure 3 b. The selection of the specifications of the components of the tooling system is mainly the selection of jacks 3-8 and tooling cables; b. The design and selection of the main steel components of the tooling system are carried out according to the specifications of the jacks, tooling cables and target cables, the installation positioning requirements, and the layout of the jacks. The main steel components include the main steel components 3-5, bolts 3-6, connectors 3-7, nuts, gaskets, etc.; c. According to Check the stress of the main steel components of the tooling system; d. Statistically calculate the total mass of the tooling system and the target cable node Here, i is the number of iterative calculations (i=1, 2, 3, ..., n).

[0034] Step S4: Calculate the node concentrated mass increment and the increment of the design value of the bearing capacity of the tooling system and respectively with the predetermined mass accuracy m i and cable force accuracy f i Compare, if the accuracy is not met, let Return to step S2 to step S3 for iterative calculation until the accuracy requirement is met.

[0035] Step S5: Establish a refined numerical model for the tooling system designed in step S3, according to F i，max The corresponding typical working conditions and Determine the constraints and stress state of the tooling system, perform elastic-plastic stress analysis of the tooling system, and judge the stress performance of the tooling system based on the analysis results. When the performance design requirements are not met, output adjustment and reinforcement measures, enter steps S3 and S4, and loop the calculation until the performance meets the design requirements.

[0036] In step S1, when calculating the numerical model of the cable structure in Midas Gen, the large deformation analysis option is turned on, and material nonlinearity is considered by setting the material properties of each component.

[0037] In step S1, when Midas Gen is used to establish the numerical model of the cable structure, the tooling system does not need to establish a refined model in step S1, and the total mass of the tooling system is considered with mass units 2-4.

[0038] In step S1, the node concentrates mass is equal to the sum of the masses of the tooling system and the target cable node, where the mass of the tooling cable in the tooling system only includes the overlap with the jack and the length redundancy, that is, the mass parameters of mass units 2-4 are set to At the beginning of the design, Assigned by experience or equal to 0.

[0039] In step S2, the loads for the simulation analysis of the entire construction process are applied according to the loads in the construction stage, ignoring the roof loads. According to the site conditions and construction plan, c typical working conditions are considered, such as Figure 1 As shown, each working condition v (v=1, 2, 3, ..., c) includes but is not limited to: working condition 1: when the tooling system is connected to the target cable but not lifted, the construction load is combined with the wind load effect; working condition 2: when the tensioning is nearly completed, the construction load is combined with the wind load effect; working condition 3: when multiple cables of the cable structure are tensioned and nearly completed, the non-synchronous tensioning condition, among which, there is a working condition with a wind load combination, considering the effect of multi-directional wind, and the construction process analysis does not take into account the effects of accidental factors such as earthquakes.

[0040] In step S2, the safety factor k is determined as follows: a. When determining the design load-bearing capacity of the traction tooling system and the rated working capacity of the jack, F t is the traction force of the target cable, k≥2.0; b. When determining the design bearing capacity of the tensioning tooling system and the rated working capacity of the jack, F t is the tension of the target cable. When the cable length is adjustable, it is 1.3≤k≤5.0. When the cable length is not adjustable, it is 1.5≤k≤5.0.

[0041] In step S3, the main steel components of the tooling system are preliminarily designed and selected, and a three-dimensional model is established using AutoCAD software, such as Figure 3As shown, the main steel member 3-5 is composed of two upper and lower clamps, which clamp the cable body part adjacent to the target cable node 3-4 and serve as the main load-bearing member of the tooling system; the bolts are used to reliably connect the upper and lower clamps of the main steel member 3-5; the connecting piece 3-7 is used to connect and fix the jack 3-8 and the main steel member 3-5; the tooling cable 2-3 is hingedly connected to the supporting structure of the cable structure through the reaction frame 3-2, the ear plate 3-1 and the pin shaft 3-3; gaskets can be added at the contact position of each component to increase the contact area, make the force evenly distributed, and increase the force transmission efficiency.

[0042] In step S3, according to right Figure 3 When selecting the specifications of each component of the tooling system, the following parameters are used: Assuming the total number of jacks is 2, and the total number of target cables connected to a single tooling system is 2, then in, and are the component force, equivalent uniformly distributed force and contact area between the jack and the main steel structure of the jth (j=1, 2) jack, and They are the component force, equivalent uniformly distributed force and contact area between the target cable node and the main steel member of the rth (r=1, 2) target cable, with the bearing capacity limit not less than Select the specifications of jack 3-8 and tooling cable 2-3, and perform force calculation on the main steel components of the tooling system according to the above parameters and take reasonable structural measures: a. According to the force principle of the tooling system, perform tension, compression, shear, stability, local stability, local pressure and other calculations on the main steel components 3-5; b. Perform compression and tension calculations on the connector 3-7; c. The force, deformation, weld and structural design of each component shall meet the requirements of "GB 50017 Steel Structure Design Standard"; d. Take effective measures to prevent the bolts 3-6 from loosening in accordance with the situation of directly bearing dynamic loads.

[0043] In step S4, the mass accuracy m i and cable force accuracy f i It is selected based on the actual situation such as the construction plan, project importance, and project quality requirements. When there is no clear requirement, it is set to less than 10% of the latest iterative calculation result. When the cable tension accuracy requirements are met but the quality accuracy requirements are not met and more than three iterative calculations have been performed, the design is considered to meet the requirements and the cycle is exited.

[0044] In step S5, the modeling scope of the refined model is the main steel components of the tooling system, including Figure 3The main steel member 3-5, bolt 3-6 and connector 3-7 in the embodiment are numerically modeled using the general finite element software ANSYS, and the unit adopts the solid unit; the effect of the target cable node 3-4 and the jack 3-8 on the main steel member 3-5 and the connector 3-7 is respectively equivalent to the uniformly distributed force on the contact surface, and the calculated by step S3 and Sure.

[0045] In step S5, refining the numerical model means that the following principles are followed when establishing the model: a. According to the stress characteristics of each component, select appropriate units and establish the numerical model of each component according to the actual shape; b. Assign material properties to the selected units according to the actual material properties of each component, considering material nonlinearity; c. Unit division should meet the requirements of numerical analysis accuracy and should be able to perform geometric nonlinear analysis; d. Set connections and constraints according to the actual conditions of each component of the tooling system; e. Set coupling constraints or contact units between the connector 3-7 and the main steel component 3-5, between the bolt 3-6 and the main steel component 3-5, and between the target cable node 3-4 and the main steel component 3-5, considering the contact effect.

[0046] In step S5, the elastic-plastic stress analysis of each component of the tooling system is performed. The performance design requirements that should be met under the most unfavorable working conditions should be determined according to the actual conditions such as the construction plan, the importance of the project, and the project quality requirements. When there are no clear requirements, the following requirements shall be followed: a. The plastic area of ​​the main steel component is less than 10%; b. The number of bolts entering plasticity is less than 10% of the total number of similar bolts; c. The plastic area (by length) of the non-structural load-bearing weld is less than 20% of the length of the weld; When the performance design requirements are not met, the design plan of the main steel component is adjusted, the reinforcement measures are output, and step 3 is re-entered for calculation.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable structure tooling system design method based on the mechanical performance of the entire construction process, characterized in that: The following steps are involved: Step S1: Establish a numerical analysis model of the cable structure according to the design requirements. The tooling system includes jacks, tooling cables and main steel components. The unit division of the target cable is adjusted so that the total number of units is not less than 5 and the unit length is evenly divided. The total mass of the tooling system and the target cable node is equivalent to the node concentrated mass. The target cable node is a cable tensioning end node where the target cable is connected to the tooling system; Step S2: Apply the construction stage load according to the construction plan, conduct simulation analysis of the entire construction process, calculate and compare various typical working conditions, and output the target cable maximum cable force F i，max ,Pick As the design value of the load-bearing capacity of the tooling system, F t is the design traction or tension of the target cable, k is the safety factor; Step S3: Preliminary design of tooling system, a. According to Select the quantity and specifications of each component of the tooling system; b. Design and select the main steel components of the tooling system according to the specifications of the jacks, tooling cables and target cables, installation positioning requirements, and the layout of the jacks; c. Check the stress of the main steel components of the tooling system; d. Statistically calculate the total mass of the tooling system and the target cable node Step S4: Calculate the node concentrated mass increment and the increment of the design value of the bearing capacity of the tooling system and respectively with the predetermined mass accuracy m i and cable force accuracy f i Compare, if the accuracy is not met, let Return to step S2 to step S3 to perform iterative calculation until the accuracy requirement is met; Step S5: Establish a refined numerical model for the tooling system designed in step S3, according to F i，max The corresponding typical working conditions and Determine the constraints and stress state of the tooling system, perform elastic-plastic stress analysis of the tooling system, judge the stress performance of the tooling system based on the analysis results, and when the performance design requirements are not met, output adjustment and reinforcement measures, and enter the steps S3 to S4 for iterative calculation until the requirements are met.

2. A cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 1, characterized in that: The cable structure numerical analysis model established in step S1 is a whole model or a local model of the cable structure including the target cable; the connection node of the cable-rod unit is hinged, and when calculating the cable structure numerical analysis model, the geometric large deformation analysis option is turned on, and the material nonlinearity is considered by setting the material properties of each component. The tooling system does not need to establish a refined model in step S1, and the node mass is concentrated. Consider its effects.

3. The cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 2 is characterized in that: In step S1, the node mass is concentrated The middle tooling rope only takes into account the mass of the overlapped parts with the jack and the redundant parts; at the beginning of the design, Assigned by experience or equal to 0.

4. The cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 1 is characterized in that: In the simulation analysis of the whole construction process of step S2, the load is applied according to the actual load in the construction stage. According to the site conditions and the construction plan, a variety of typical working conditions are considered, including at least the following three working conditions: working condition 1, when the tooling system is connected to the target cable but not lifted, the construction load is combined with the effect of wind load; working condition 2, when the tensioning is nearly completed, the construction load is combined with the effect of wind load; working condition 3, when multiple cables of the cable structure are tensioned and nearly completed, the non-synchronous tensioning condition; among them, for the working condition with wind load combination, the effect of multi-directional wind is considered, and the construction process analysis does not take into account the effect of earthquake.

5. The cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 1 is characterized in that: In step S2, the safety factor k is determined as follows: a. When determining the design load-bearing capacity of the traction tooling system and the rated working capacity of the jack, F t is the traction force of the target cable, k≥2.0; b. When determining the design bearing capacity of the tensioning tooling system and the rated working capacity of the jack, F t is the tension of the target cable. When the cable length is adjustable, it is 1.3≤k≤5.

0. When the cable length is not adjustable, it is 1.5≤k≤5.

0.

6. The cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 1 is characterized in that: In step S3, according to When selecting the specifications of each component of the tooling system, the following parameters are used: Let the total number of jacks be p, and the total number of target cables connected to a single tooling system be q, then in, and are the component force of the jth jack, the equivalent uniformly distributed force and the contact area between the jack and the main steel structure, and They are respectively the component force of the rth target cable, the equivalent uniformly distributed force and the contact area between the target cable node and the main steel component. According to the above parameters, the force calculation of the main steel components of the tooling system is carried out and reasonable construction measures are taken.

7. The method for designing a cable structure tooling system based on the mechanical performance of the entire construction process according to claim 1 is characterized in that: The mass accuracy m in step S4 i and cable force accuracy f i It is determined according to the construction design, project importance and project quality requirements. When there is no clear requirement, it is set to less than 10% of the latest iterative calculation result. When the cable tension accuracy requirements are met but the quality accuracy requirements are not met and the iterative calculation has been performed for more than three times, it is considered that the design requirements are met and the loop is exited.

8. The method for designing a cable structure tooling system based on the mechanical performance of the entire construction process according to claim 6, characterized in that: In step S5, the modeling scope of the refined model is the main steel components of the tooling system. The jack, tooling cable and target cable are established according to the actual situation or replaced by their effects on the main steel components. The effects are represented by and Sure.

9. The cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 1 is characterized in that: The refinement of the numerical model in step S5 refers to following the following principles when establishing the model: a. selecting appropriate units according to the stress characteristics of each component and establishing the numerical model of each component according to the actual shape; b. assigning material properties to the selected units according to the actual material properties of each component, taking into account material nonlinearity; c. The unit division meets the requirements of numerical analysis accuracy and can perform geometric nonlinear analysis; d. Set connections and constraints according to the actual conditions of each component of the tooling system; e. Set coupling constraints or contact units between the components of the tooling system to consider the contact effect.

10. A cable structure tooling system design method based on the mechanical performance of the entire construction process according to claim 9, characterized in that: In step S5, numerical analysis software is used to perform elastic-plastic stress analysis of each component of the tooling system. The performance design requirements met under the most unfavorable working conditions are determined according to the construction plan and the degree of structural importance. When there are no clear requirements, the following requirements are followed: a. The plastic area of ​​the main steel component is less than 10%; b. The number of bolts entering plasticity is less than 10% of the total number of similar bolts; c. The length of the plastic zone of the non-structural load-bearing weld is less than 20% of the length of the weld; when the performance design requirements are not met, the design plan of the main steel component is adjusted and reinforcement measures are output.

Images