Design support device, and design support method

Abstract

To provide a design support device capable of smoothing a design of a civil engineering building structure.SOLUTION: A design support device (1) includes information reading means for reading design information of a civil engineering building structure (10), model generation means for generating a three-dimensional model of the civil engineering building structure (10), checking means for checking a plurality of checking items on the basis of the design information, and display means for displaying a behavior representing an NG item as an animation by the three-dimensional model in the case that the checking means has the NG item.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a design support device and a design support method. [Background technology]

[0002] Laws and guidelines stipulate stability standards at the design stage for civil engineering and architectural structures such as retaining walls, earth retaining walls, bridge piers, and buildings to prevent collapse or deformation after construction. Therefore, when designing these structures, devices are used to calculate safety indicators for external forces such as weight and seismic force based on the design information of the structure, and to confirm whether the standards are met.

[0003] For example, Patent Documents 1 and 2 disclose conventional technology in which inspection items such as sliding, tipping, and ground support against a retaining wall are evaluated, and a pass / fail judgment of "OK" or "NG" is listed for each inspection item. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2005-083066 [Patent Document 2] Japanese Patent Application Publication No. 2018-123544 Summary of the Invention [Problem to be solved by the invention]

[0005] However, in actual design, there are a wide variety of verification items to be checked, and some of the names of the verification items are similar to each other, so when the judgment results are displayed as a list, the visibility and readability are reduced, coupled with the fact that the display of each verification item is reduced.In addition, when the verification results are displayed in multiple tabs, the designer has to switch tabs multiple times, making the confirmation operation cumbersome.

[0006] Furthermore, with the display method of the prior art, the judgment results for each inspection item do not allow the designer to instantly imagine, for example, the behavior of a structure due to external forces or damage to components, so for inspection items that are judged as NG, the designer cannot intuitively grasp what and how the inspection does not meet the inspection standards, which could hinder smooth design work.

[0007] The present invention has been made in view of the above circumstances, and its object is to provide a design support device and a design support method that can facilitate the design of civil engineering structures. [Means for solving the problem]

[0008] <First aspect of the present invention> A first aspect of the present invention is a design support device comprising: an information reading means for reading design information of a civil engineering building; a model generation means for generating a three-dimensional model of the civil engineering building from the design information; an inspection means for inspecting a plurality of inspection items based on the design information; and a display means for displaying, if any NG items are found by the inspection means, behavior representing the NG items as an animation using the three-dimensional model.

[0009] A design support device according to a first aspect of the present invention generates a three-dimensional model of a civil engineering building based on design information for the building, and performs a verification of the design structure to determine whether there are any verification items that are deemed NG, and displays the NG items as an animation of the three-dimensional model. This allows the design support device to symbolically display verification items that do not meet the standards on the three-dimensional model of the civil engineering building itself that is the target of design. This allows a designer to intuitively understand what problems may arise in the three-dimensional model of the civil engineering building that they have just designed, and therefore to quickly proceed with correction work. Therefore, the design support device according to the first aspect can facilitate the design of civil engineering buildings.

[0010] <Second aspect of the present invention> A second aspect of the present invention is a design support device in which, in the first aspect described above, the inspection includes a stability calculation for evaluating the structural stability of the civil engineering building and a component inspection for evaluating the component stability of the civil engineering building, and the display means displays the inspection results of the stability calculation and the component inspection in parallel.

[0011] According to the design support device of the second aspect of the present invention, as a verification of a design object, a stability calculation is performed to evaluate structural stability based on the shape and structure of the civil engineering building, and a component verification is performed to evaluate component stability based on the reinforcement and components of the civil engineering building. The results of the stability calculation and the component verification are then displayed in parallel, for example, at the same time. Therefore, according to the design support device of the second aspect, instead of only performing stability calculation as in the prior art, component verification can also be performed, and the results of both verifications can be confirmed together.

[0012] <Third aspect of the present invention> A third aspect of the present invention is a design support device according to the first aspect described above, wherein the inspection items are classified into a plurality of item groups, and the three-dimensional model is displayed for each of the item groups.

[0013] According to the design support device of the third aspect of the present invention, even if there are a wide variety of inspection items, the inspection items can be classified into multiple item groups and one three-dimensional model assigned to each item group, thereby making it possible to check all at once what NG items exist in each item group.

[0014] <Fourth aspect of the present invention> A fourth aspect of the present invention is a design support device in the third aspect described above, wherein when there are multiple NG items in one group of items, the animation of each of the NG items is displayed alternately and repeatedly.

[0015] According to the design support device of the fourth aspect of the present invention, by repeatedly playing back the animation of each of the plurality of NG items in one item group, for example, once per cycle, it is possible to represent the plurality of NG items in one 3D model. This allows each NG item to be displayed without increasing the number of 3D models displayed simultaneously, thereby avoiding a decrease in visibility and readability due to a reduced display.

[0016] <Fifth aspect of the present invention> A fifth aspect of the present invention is a design support method including an information reading process for reading design information for a civil engineering building; a model generation process for generating a three-dimensional model of the civil engineering building from the design information; a verification process for conducting verification on a plurality of verification items based on the design information; and a display process for displaying, if any NG items are found in the verification process, behavior representing the NG items as an animation using the three-dimensional model.

[0017] A design support method according to a fifth aspect of the present invention generates a three-dimensional model of a civil engineering building based on design information for the building, and performs a verification of the design structure to determine whether there are any verification items that are deemed NG. The verification method also displays the NG items as an animation of the three-dimensional model. This allows the design support method to symbolically display verification items that do not meet the standards on the three-dimensional model of the civil engineering building itself that is the target of design. This allows a designer to intuitively understand what problems may arise in the three-dimensional model of the civil engineering building that they have just designed, and thus to promptly proceed with corrections. Therefore, the design support method according to the fifth aspect facilitates the design of civil engineering buildings.

[0018] <Sixth aspect of the present invention> A sixth aspect of the present invention is a design support method according to the fifth aspect described above, wherein the inspection includes a stability calculation for evaluating the structural stability of the civil engineering building and a component inspection for evaluating the component stability of the civil engineering building, and the display process displays the inspection results of the stability calculation and the component inspection in parallel.

[0019] According to the design support method of the sixth aspect of the present invention, as a verification of a design object, a stability calculation is performed to evaluate structural stability based on the shape and structure of the civil engineering building, and a component verification is performed to evaluate component stability based on the reinforcement and components of the civil engineering building. The results of the stability calculation and the component verification are then displayed in parallel, for example, at the same time. Therefore, according to the design support method of the sixth aspect, instead of performing only stability calculation as in the prior art, a component verification can also be performed, and the results of both verifications can be confirmed together.

[0020] <Seventh aspect of the present invention> A seventh aspect of the present invention is a design support method according to the fifth aspect described above, wherein in the display process, the inspection items are classified into a plurality of item groups, and the three-dimensional model is displayed for each of the item groups.

[0021] According to the design support method of the seventh aspect of the present invention, even if there are a wide variety of inspection items, by classifying the inspection items into multiple item groups and assigning one three-dimensional model to each item group, it is possible to check all at once what NG items exist in each item group.

[0022] <Eighth aspect of the present invention> An eighth aspect of the present invention is a design support method according to the seventh aspect described above, wherein, when there are multiple NG items in one group of items, the animation of each of the NG items is displayed alternately and repeatedly.

[0023] According to the design support method of the eighth aspect of the present invention, by repeatedly playing back the animation of each of the plurality of NG items in one item group, for example, once per cycle, it is possible to represent the plurality of NG items in one 3D model. This allows each NG item to be displayed without increasing the number of 3D models displayed simultaneously, thereby avoiding a decrease in visibility and readability due to a reduced display. [Effects of the Invention]

[0024] According to the present invention, it is possible to provide a design support device and a design support method that can facilitate the design of civil engineering structures. [Brief explanation of the drawings]

[0025] [Figure 1] 1 is a block diagram showing a configuration of a design support device according to the present invention; [Figure 2] FIG. 1 is a side view showing an example of a civil engineering structure to be designed. [Figure 3] 10 is a flowchart showing the execution procedure of a design support method executed by a control unit. [Figure 4] 10 is an example of an input form for inputting design information. [Figure 5] 10 is an example of a confirmation screen for a three-dimensional model. [Figure 6] This is an example of a check item related to stability calculation. [Figure 7] 10 is an example of inspection items related to component inspection. [Figure 8] 10 is an example of a screen showing the inspection results. [Figure 9] FIG. 10 is a diagram showing a display example in which one item group contains multiple NG items. DETAILED DESCRIPTION OF THE INVENTION

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the content described below, and can be implemented with any modifications within the scope of the gist of the present invention. Furthermore, all drawings used to explain the embodiments are schematic representations of components, and may be partially emphasized, enlarged, reduced, or omitted to facilitate understanding, and may not accurately represent the scale, shape, etc. of the components.

[0027] FIG. 1 is a block diagram showing the configuration of a design support device 1 according to the present invention. In this embodiment, the design support device 1 is composed of an electronic computer such as a known personal computer, and includes, as its main components, a storage unit 2, an input unit 3, a control unit 4, and an output unit 5. As will be described later, the design support device 1 can design and evaluate the stability of civil engineering structures such as retaining walls, earth retaining walls, bridge piers, and buildings through an application. After a design has been successfully completed, the design support device 1 may also perform other processes, such as creating structural calculation documents and creating drawings in a desired format based on the design.

[0028] The memory unit 2 stores applications for civil engineering and architectural design, as well as various other information required for executing civil engineering and architectural design. The input unit 3, consisting of, for example, a keyboard, mouse, numeric keypad, etc., is an input interface that allows the designer to input design information as needed for designing a structure. The control unit 4 is a CPU that executes the civil engineering design application. The output unit 5 is an output interface that, for example, displays input information for design operations and a 3D model of the structure, as well as notifying the designer of the inspection results, consisting of a display, etc.

[0029] Next, a civil engineering structure 10 designed by the design support device 1 according to this embodiment will be described. Fig. 2 is a side view showing an example of the civil engineering structure 10 to be designed. In this embodiment, the civil engineering structure 10 is a generally inverted T-shaped (or generally L-shaped) retaining wall used for retaining earth, and has a simple shape with a flat plate-shaped vertical wall portion 12 that is vertically integrated with a flat plate-shaped footing portion 11 that serves as the base.

[0030] The civil engineering structure 10 is placed so that the footing 11 faces the ground G, and is stabilized by burying a portion of the footing 11 on the front side of the vertical wall 12 in front soil Sf. In this way, the civil engineering structure 10 supports the back soil Sb piled up on the back side of the vertical wall 12 so that it does not collapse. Furthermore, if the soil quality in the relatively shallow part of the ground G is weak, the civil engineering structure 10 may be provided with a pile structure extending from the bottom of the footing 11 to a solid ground layer.

[0031] Next, we will explain the civil engineering and architectural design application executed by the design support device 1. Fig. 3 is a flowchart showing the execution procedure of the design support method executed by the control unit 4. A designer designs the shape, structure, and components of a civil engineering and architectural design 10 through the civil engineering and architectural design application of the design support device 1, while also checking various stability aspects of the designed structure.

[0032] When the civil engineering and architectural design application is launched, the control unit 4 reads the design information required for civil engineering and architectural design (step S1, information reading means, information reading process). Figure 4 shows an example of an input form for inputting design information. By displaying the input form on the output unit 5, the control unit 4 can read the design information entered by the designer via the input unit 3.

[0033] At this time, the design information includes not only the shape and basic design conditions of the civil engineering building 10, but also information on components such as internal reinforcement. Furthermore, if there are special circumstances in the environment in which the civil engineering building 10 is to be placed, these are also input as design information. Note that the design information can be input not only as new data, but also as existing data stored in the storage unit 2, in which case input operations by the designer are omitted.

[0034] When the design information is read, the control unit 4 generates a three-dimensional model of the civil engineering structure 10 based on the design information (step S2, model generation means, model generation process). The control unit 4 displays the appearance of the three-dimensional model on the output unit 5, allowing the designer to check the state of the three-dimensional model at any time.

[0035] 5 shows an example of a confirmation screen for a three-dimensional model. Four images of the civil engineering structure 10 are displayed on the application: a side view, a perspective view (3D), a front view, and a plan view (top view).

[0036] Once the three-dimensional model is generated, the control unit 4 calculates the weight of the civil engineering building 10, the earth pressure from the back soil Sb, and external forces such as anticipated earthquakes, and performs an inspection to confirm whether the structural and component aspects of the civil engineering building 10 meet the stability standards (step S3, inspection means, inspection process). This inspection can be performed using multiple inspection items based on standards that comply with the standard design published by the Ministry of Land, Infrastructure, Transport and Tourism, for example.

[0037] FIG. 6 shows an example of a check item related to stability calculation. FIG. 7 shows an example of a check item related to component verification. The check items related to stability calculation for a retaining wall differ depending on whether the civil engineering building 10 is a spread foundation as shown in FIG. 2, as in this embodiment, or a pile foundation with the above-mentioned pile structure. As shown in FIG. 7, component verification has a particularly large number of check items, and therefore, they are categorized into three groups: bending moment / axial force, shear force, and reinforcing bar quantity. Note that the check items and their names may be revised depending on standards or fiscal years, and therefore may not necessarily be as shown in FIGS. 6 and 7 . They may be updated, for example, depending on the version of the application.

[0038] When the verification calculation is completed, the control unit 4 determines whether or not there are any NG items among the verification items that do not meet the criteria (step S4). If even one NG item exists (Yes in step S4), the control unit 4 generates an animation that expresses the behavior of the NG item for the three-dimensional model of the civil engineering structure 10 (step S5). More specifically, if the control unit 4 determines that "falling over" is an NG item among the verification items of the stability calculation, it generates an animation of the three-dimensional model generated by the model generation means falling over.

[0039] Then, the control unit 4 displays the inspection result on the output unit 5 as a still image or a moving image of the three-dimensional model (step S6, display means, display step). That is, the inspection result of the three-dimensional model of the civil engineering structure 10 is displayed on the output unit 5 as a still image if there are no NG items, and as an animation if there are NG items.

[0040] Figure 8 is an example of a screen showing the inspection results. More specifically, this screen displays the 3D model in a total of four areas: one display area showing the stability calculation and three display areas showing each item group of the component inspection. In addition, here, it is assumed that there is one NG item in each item group of the four areas.

[0041] For example, if "Falling" is an NG item among the items indicating stability calculations, an animation of the three-dimensional model falling over is displayed in the upper left display area. If "Shear Strength" is an NG item among the items indicating shear verification, an animation of a crack appearing in the footing portion 11 of the three-dimensional model is displayed in the lower left display area. If "Bending Compression Stress of Concrete" is an NG item among the items indicating bending verification, an animation of the vertical wall portion 12 of the three-dimensional model shaking relative to the footing portion 11 is displayed in the upper right display area. If "Minimum Amount of Reinforcement (Axial Force Member)" is an NG item among the items indicating reinforcement amount verification, the internal reinforcing bars of the vertical wall portion 12 of the three-dimensional model in the lower right display area are displayed in a transparent manner, repeatedly appearing and disappearing.

[0042] In addition to expressing the NG items using the animation described above, arrows showing how the external force is applied or marks showing the existence of the NG items may be superimposed on each three-dimensional model.

[0043] In this way, the output unit 5 displays the verification items that have been determined to be NG items in the verification of the designed civil engineering building 10 as animations that symbolically represent the behavior of those items. This allows the designer to intuitively understand the content of the NG items, and allows them to quickly move on to correcting the design.

[0044] Here, the verification of each verification item is judged to be either OK or NG against a predetermined standard, and the animation of the NG item shows the behavior specific to each verification item regardless of the deviation from the stability standard. In other words, the verification result expresses the presence or absence of NG items and their contents, unlike so-called physical simulations which faithfully represent the behavior (state) of an object obtained by calculation.

[0045] When the three-dimensional model is displayed as the inspection result, the control unit 4 prompts the designer to select whether or not the design contents need to be revised (step S7), and if the design needs to be revised due to the existence of NG items (Yes in step S7), the control unit 4 returns to step S1 and transitions to the design information input screen.Also, if the design does not need to be revised because the NG items have been resolved (No in step S7), the control unit 4 stores the design contents in the storage unit 2, creates a structural calculation document, outputs drawings in the desired format, and performs other necessary processing, before completing the series of procedures for civil engineering and architectural design.

[0046] As described above, the design support device 1 according to this embodiment generates a three-dimensional model of the civil engineering building 10 based on the design information of the civil engineering building 10, and performs a verification of the design structure to determine whether there are any verification items that are deemed NG. The verification items are then displayed as an animation of the three-dimensional model. This allows the design support device 1 to symbolically display verification items that do not meet the standards on the three-dimensional model of the civil engineering building 10 itself, which is the target of design. This allows the designer to intuitively understand what problems may arise in the three-dimensional model of the civil engineering building 10 that they have just designed, and thus allows them to quickly proceed with corrections. Therefore, the design support device 1 according to the present invention can facilitate the design of the civil engineering building 10.

[0047] Furthermore, according to the design support device 1 of this embodiment, as a verification of the design object, a stability calculation is performed to evaluate the structural stability based on the shape and structure of the civil engineering building 10, and a component verification is performed to evaluate the component stability based on the reinforcement and components of the civil engineering building 10. The results of the stability calculation and the component verification are then displayed in parallel, for example, at the same time. Therefore, the design support device 1 does not only perform stability calculation as in the conventional technology, but can also perform component verification, and the verification results of both can be confirmed together.

[0048] Furthermore, according to the design support device 1 of this embodiment, when there are a wide variety of inspection items, for example as shown in Figures 6 and 7, the inspection items can be classified into multiple item groups and one three-dimensional model can be assigned to each item group, making it possible to check all at once what NG items exist in each item group.

[0049] In this case, if there are multiple NG items in one item group, animations of each NG item may be displayed alternately and repeatedly. Figure 9 shows a display example when there are multiple NG items in one item group. In the example of Figure 9, if the check items "overturning" and "ground reaction force" are NG items in the stability calculation check, multiple NG items are represented in a single 3D model by repeatedly playing an animation (a) representing "overturning" and an animation (b) representing "ground reaction force" in each cycle. This allows each NG item to be displayed without increasing the number of 3D models displayed simultaneously, thereby avoiding the reduction in visibility and readability caused by reduced display.

[0050] Although the description of the embodiment has been completed above, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the design support device 1 is a single personal computer that executes civil engineering design support using an internal application. However, the input and output of information may be separated from the internal processing between multiple terminals via a communication network, as in a client-server system. [Explanation of symbols]

[0051] 1 Design support equipment 2 Storage section 3 Input section 4. Control Unit 5 Output section 10 Civil engineering buildings 11 Footing 12 Vertical wall section G Ground SF front soil Sb back soil

Claims

1. an information reading means for reading design information of a civil engineering building; a model generation means for generating a three-dimensional model of the civil engineering structure from the design information; A verification means for performing verification on a plurality of verification items based on the design information; and a display means for displaying, when the checking means finds any NG items, behaviors representing the NG items as animations using the three-dimensional model.

2. The verification includes a stability calculation for evaluating the structural stability of the civil engineering building, and a component verification for evaluating the component stability of the civil engineering building, 2. The design support device according to claim 1, wherein the display means displays the results of the stability calculation and the component verification in parallel.

3. The design support device according to claim 1 , wherein the inspection items are classified into a plurality of item groups, and the three-dimensional model is displayed for each of the item groups.

4. 4. The design support device according to claim 3, wherein when one of the item groups includes a plurality of NG items, the animations of the respective NG items are displayed alternately and repeatedly.

5. an information reading process for reading design information of a civil engineering building; a model generation process for generating a three-dimensional model of the civil engineering structure from the design information; a verification step of verifying a plurality of verification items based on the design information; and a display step of, if there is an NG item in the verification step, displaying behavior representing the NG item as an animation using the three-dimensional model.

6. The verification includes a stability calculation for evaluating the structural stability of the civil engineering building, and a component verification for evaluating the component stability of the civil engineering building, The design support method according to claim 5, wherein the display step displays the results of the stability calculation and the component verification in parallel.

7. The design support method according to claim 5, wherein in the display step, the inspection items are classified into a plurality of item groups, and the three-dimensional model is displayed for each of the item groups.

8. 8. The design support method according to claim 7, wherein when one of the item groups includes a plurality of NG items, the animations of the respective NG items are alternately and repeatedly displayed.

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