Design review support system, design review support method, and program

Abstract

To provide a design check support system, a design check support method, and a program that support design check of reinforcing bars in a reinforced concrete structure.SOLUTION: A system 10 that supports design check of reinforcing bars disposed in a reinforced concrete structure includes extraction means 14 that extracts positional information and shape information of a reinforcing model included in a three-dimensional product model generated based on the reinforced concrete structure, classification means 16 that classifies attribute information of the reinforcing model other than the positional information and the shape information based on the extracted positional information and shape information of the reinforcing model, attribute giving means 18 that gives the classified attribute information to the reinforcing model, and check means 20 that checks a lap length of the reinforcing bars disposed in the reinforced concrete structure by calculating lap lengths of the reinforcing model in close proximity to each other based on the positional information, the shape information, and the attribute information of the reinforcing model.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a design review support system, a design review support method, and a program suitable for the design review of reinforced concrete structures.

Background Art

[0002] Conventionally, in the design of reinforced concrete structures, first, a schematic design is performed. Next, after performing operations such as structural analysis, detailed design, and mechanical inspection, a design review is conducted on each item of the structural details specified in the relevant standards. In this inspection, in order to confirm the consistency of the elevation view, cross-sectional view, and side view with steel bars arranged, a three-dimensional model that reproduces the three-dimensional shape of the steel bar arrangement on a computer is created using 3D CAD. The three-dimensional model displayed on the CAD screen can be confirmed for the arrangement from an arbitrary angle by switching the viewing point. For this reason, the visibility of the steel bar arrangement shape is improved, and it becomes easier to consider constructability. Also, it becomes easier to check for interference between steel bars.

[0003] On the other hand, a method of creating and inspecting a design drawing and a quantity calculation sheet of a structure using 3D CAD is known (for example, refer to Patent Document 1). In this Patent Document 1, a design drawing and a quantity calculation sheet of a structure are created using the drawing function of 3D CAD, and an inspection is performed based on the created drawing data and the original data. Also, a longitudinal section, a cross-section, a plan view, an arbitrary cross-sectional view, and a detailed view, which are two-dimensional data, are created from the three-dimensional data design drawings (overall view, general structure view, steel bar arrangement view).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] By the way, even though the above 3D model was created with great effort, it could not be fully utilized. Therefore, the inventor considered a method of more efficiently conducting a design review regarding reinforcing bars by using a 3D product model capable of defining attribute information of constituent members in addition to 3D shape data. Furthermore, it was considered to generate construction drawings necessary for ordering materials such as reinforcing bars, ordering processing, and construction from this 3D product model. If this could be realized, it would be preferable because it could reduce the labor and work involved in the integration of subsequent processes and construction planning. Against this background, the inventor has devised the present invention as follows.

[0006] The present invention has been made in view of the above, and an object thereof is to provide a design review support system, a design review support method, and a program for supporting a design review regarding the reinforcing bars of a reinforced concrete structure.

Means for Solving the Problems

[0007] In order to solve the above-described problems and achieve the object, a design review support system according to the present invention is a system for supporting a design review regarding the reinforcing bars arranged in a reinforced concrete structure, and includes an extraction means for extracting the position information and shape information of a reinforcing bar model included in a 3D product model created based on the reinforced concrete structure, a classification means for classifying the attribute information of the reinforcing bar model other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar model, an attribute assignment means for assigning the classified attribute information to the reinforcing bar model, and an inspection means for inspecting the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the reinforcing bar models adjacent to each other based on the position information, shape information, and attribute information of the reinforcing bar models.

[0008] Further, another design review support system according to the present invention, in the above-described invention, tabulating means for creating a tabulation table classified and tabulated according to attribute information for the reinforcing bar models included in the three-dimensional product model, or drafting means for creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model, characterized by further comprising at least one of them.

[0009] Further, a design review support method according to the present invention is a method for supporting a design review regarding reinforcing bars arranged in a reinforced concrete structure, comprising steps of extracting position information and shape information of the reinforcing bar models included in a three-dimensional product model created based on the reinforced concrete structure; classifying attribute information of the reinforcing bar models other than the position information and the shape information based on the extracted position information and shape information of the reinforcing bar models; assigning the classified attribute information to the reinforcing bar models; and inspecting the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the mutually adjacent reinforcing bar models based on the position information, shape information, and attribute information of the reinforcing bar models.

[0010] Further, another design review support method according to the present invention, in the above-described invention, further comprises at least one of steps of creating a tabulation table classified and tabulated according to attribute information for the reinforcing bar models included in the three-dimensional product model, or creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model.

[0011] Further, a design review support program according to the present invention is characterized by causing a computer to execute the above-described design review support method.

Advantages of the Invention

[0012] According to the design review support system of the present invention, it is a system for supporting the design review of reinforcing bars arranged in a reinforced concrete structure, including extraction means for extracting the position information and shape information of the reinforcing bar models included in the three-dimensional product model created based on the reinforced concrete structure, classification means for classifying the attribute information of the reinforcing bar models other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar models, attribute assignment means for assigning the classified attribute information to the reinforcing bar models, and inspection means for inspecting the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the reinforcing bar models close to each other based on the position information, shape information, and attribute information of the reinforcing bar models. Therefore, it has the effect of being able to efficiently perform the design review of the reinforcing bars in the reinforced concrete structure.

[0013] Further, according to another design review support system of the present invention, it further includes at least one of tabulation means for creating a tabulation form of reinforcing bar classification aggregated according to attribute information by classifying and aggregating the reinforcing bar models included in the three-dimensional product model, or drawing means for creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model. Therefore, it has the effect of being able to obtain a tabulation form of reinforcing bar classification and construction drawings necessary for accumulation and construction plans, etc., and reducing the labor and work effort in the subsequent processes.

[0014] Also, according to the design review support method of the present invention, a method for supporting the design review of the reinforcing bars arranged in a reinforced concrete structure, the method comprising: extracting the position information and shape information of the reinforcing bar models included in the three-dimensional product model created based on the reinforced concrete structure; classifying the attribute information of the reinforcing bar models other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar models; assigning the classified attribute information to the reinforcing bar models; and calculating the lap length of the adjacent reinforcing bar models based on the position information, shape information, and attribute information of the reinforcing bar models, thereby inspecting the lap length of the reinforcing bars arranged in the reinforced concrete structure. Therefore, the effect of being able to efficiently perform the design review of the reinforcing bars in the reinforced concrete structure is achieved.

[0015] Also, according to another design review support method of the present invention, it further includes at least one of the steps of creating a summary table of reinforcing bar classification obtained by classifying and tabulating the reinforcing bar models included in the three-dimensional product model according to attribute information, or creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model. Therefore, a summary table of reinforcing bar classification and construction drawings required for accumulation and construction plans can be obtained, and the labor and work effort in subsequent processes can be reduced.

[0016] Also, according to the design review support program of the present invention, since the above-described design review support method is executed by a computer, the effect of being able to efficiently perform the design review support method using a computer is achieved.

Brief Description of the Drawings

[0017]

Figure 1

Figure 2

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Figure 4

Figure 5

Embodiments for Carrying Out the Invention

[0018] Hereinafter, embodiments of a design review support system, a design review support method, and a program according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited by these embodiments.

[0019] As shown in FIG. 1, a design review support system 10 according to an embodiment of the present invention is a system that supports a design review of reinforcing bars arranged in a reinforced concrete structure using a computer. The system includes a model creation means 12 for creating a three-dimensional product model based on the reinforced concrete structure, an extraction means 14 for extracting position and shape data of a reinforcing bar object (reinforcing bar model) included in the created three-dimensional product model, a classification means 16 for classifying predetermined attribute data of the reinforcing bar object, an attribute assignment means 18 for assigning the classified attribute information to the reinforcing bar object, an inspection means 20 for inspecting predetermined structural details related to the reinforcing bars, a table creation means 22, a drawing creation means 24, and an output means 26.

[0020] The model creation means 12 creates a 3D product model by modeling a reinforced concrete structure configured according to predetermined design conditions into a 3D shape and assigning predetermined attributes to each component member. Data such as attributes regarding the position, shape, and type of reinforcing bars of the created 3D product model are stored in a database (not shown). The model creation means 12 can be configured using, for example, BIM software such as Revit (manufactured by Autodesk) equipped with BIM tool functions or 3D CAD software. If Revit is used, data exchange in the IFC (Industria1 Foundation C1asses) format is possible, facilitating data linkage with other software.

[0021] Fig. 2(1) shows an example of a 3D product model of a reinforced concrete structure created by the model creation means 12. This 3D product model is obtained by modeling a structure composed of a ceiling, floor, wall, and columns configured according to design conditions into a 3D shape and assigning predetermined attributes to each component member. Fig. 2(2) shows the reinforcement model included in the 3D product model. This reinforcement model is composed of main bars, distribution bars, etc. by a plurality of dense reinforcing bar objects. Note that this reinforcement model may be displayed on a display screen, and the arrangement of the reinforcing bars can be confirmed from an arbitrary angle by switching the viewpoint, and checks such as interference between the reinforcing bars may be performed.

[0022] The extraction means 14 extracts the position and shape data of the reinforcing bar objects included in the reinforcement model. Here, the reinforcing bar objects are defined for each reinforcing bar, and their shape is expressed as a three-dimensional solid formed by extending a circle with the reinforcing bar diameter as the diameter in the vector direction set in the longitudinal direction of the reinforcing bar. In the case of a reinforcing bar having a curved portion, it is expressed as a three-dimensional solid formed by extending a circle with the reinforcing bar diameter as the diameter along a polyline composed of a straight portion and a curved portion. Note that the position and shape data of the reinforcing bar objects in the three-dimensional product model are stored in a database related to the three-dimensional product model in the form of numerical data, mathematical formula data, etc. The extraction means 14 can extract the position and shape data of the reinforcing bar objects included in the reinforcement model by referring to this database.

[0023] The classification means 16 classifies the attribute data of the reinforcing bar objects other than the position information and the shape information (for example, the usage type of the reinforcing bar objects, physical property information, and other attribute data including information similar thereto) by using the position and shape data of the reinforcing bar objects extracted by the extraction means 14 and the design data such as the two-dimensional drawing of the reinforced concrete structure. The attributes to be classified may be attributes such as the part of the structure where the reinforcing bar objects are used (for example, wall, floor / ceiling slab, column) and the usage type of the reinforcing bar objects (main reinforcement, stirrup, etc.).

[0024] Next, an example of the method for classifying reinforcing bars will be described. This classification method is executed by referring to the position, shape data, etc. of the reinforcing bar objects stored in the database of the three-dimensional product model. Note that the classification of the reinforcing bars of the present invention is not limited to the following method, and other classification methods may be used.

[0025] First, classify the part of the building structure where the reinforcing bar object is used based on the position, shape data, design data, etc. of the reinforcing bar object, and set a character (or character string) according to the classification result. Also, classify the usage type of the reinforcing bar object from the position and shape data of the reinforcing bar object, and set a character (or character string) according to the classification result. If necessary, classify other attributes as well, and set a character (or character string) according to the classification result. Then, by arranging each character, generate a character string representing the attribute data of the reinforcing bar object.

[0026] An example of the generated character string is shown in Fig. 3(1). In this example, the attribute data of the reinforcing bar object corresponding to the first force-bearing bar arranged on the base plate is represented by the character string "SH1-1". The "S" at the first character position T1 indicates the base plate, the "H" at the second character position T2 indicates the force-bearing bar, the "1" at the third character position T3 indicates the first one, and the "1" at the fourth character position T4 following the hyphen "-" indicates that it is a variable reinforcing bar. By doing so, the attribute data can be expressed as a character string.

[0027] Next, an example of a method for classifying the force-bearing bars of the base plate will be described. As shown in Fig. 3(2), first, extract the reinforcing bar objects arranged on the base plate from the position and shape of each reinforcing bar object. The extracted ones include a plurality of main bars and force-bearing bars. Subsequently, generate a rectangular plane passing through the central axis of the extracted reinforcing bar object. Further, define the direction of the plane from the reinforcing bars of each plane, and as shown in Fig. 3(3), extract the combination of planes where the clearance between the planes is within a predetermined threshold value (for example, main bar diameter / 2 + force-bearing bar diameter / 2). Determine whether the angle formed by the vectors representing the reinforcing bar directions of each surface satisfies 90° (or 90° ± several degrees). As a result of this determination, if it is satisfied, the one with a larger amount of reinforcing bars (the one with a larger reinforcing bar diameter) among each surface can be classified as the main bar, and the one with a smaller amount (the one with a smaller reinforcing bar diameter) can be classified as the force-bearing bar.

[0028] The attribute assignment means 18 assigns the attribute data classified by the classification means 16 to the reinforcing bar object. The assigned attribute data is stored in the database of the 3D product model and is used by the inquiry means 20, the table creation means 22, etc.

[0029] The inquiry means 20 inquires about the lap length among the structural details of the reinforcing bars arranged in the reinforced concrete structure based on the position, shape, and other attribute data of the reinforcing bar objects in the reinforcement model. More specifically, referring to the position, shape, attribute data, etc. of the reinforcing bar objects stored in the database of the 3D product model, the lap lengths of the reinforcing bar objects adjacent to each other in the reinforcement model are calculated. Then, based on this calculation result, the lap length of the reinforcing bars specified in the relevant standards is inquired about. Thereby, the design inquiry regarding the reinforcing bars of the reinforced concrete structure can be efficiently performed.

[0030] Next, an example of the method for calculating the lap length will be described. This calculation method is executed by referring to the position, shape, attribute data, etc. of the reinforcing bar objects stored in the database of the 3D product model. Note that the calculation of the lap length of the present invention is not limited to the following method, and other calculation methods may be used.

[0031] As shown in Fig. 4(1), first, from the position and shape of each reinforcing bar object, the end position and the reinforcing bar direction in which the reinforcing bar extends are obtained, and a combination in which the end positions are arranged close to each other within a predetermined threshold value is extracted. Subsequently, a rectangular plane including the line segments at the ends of the extracted reinforcing bar objects is generated.

[0032] Next, as shown in Fig. 4(2), calculate the coordinates of the midpoints of each side of the generated surface. Subsequently, calculate the inner product of the vector a connecting the midpoints and the vector b representing the direction of the reinforcing bar. Further, determine whether the judgment formula |arccos((a·b) / |a||b|)| = 0 (or less than or equal to a predetermined threshold) is satisfied. As a result, when the judgment formula is satisfied, the positional relationship is as shown in Fig. 4(3), and when it is not satisfied, the positional relationship is as shown in Fig. 4(4). When it is satisfied, as shown in Fig. 4(5), calculate the distance from the midpoint of one surface to the midpoint of the other surface, and thereby search for the midpoint with the closest distance. By calculating the distance between the searched midpoints, the wrap length of the reinforcing bar object can be calculated.

[0033] The tabulation means 22 creates a reinforcing bar tabulation sheet (reinforcing bar classification-based tabulation sheet) that classifies and aggregates reinforcing bars for each attribute based on attribute data including the type of use (main reinforcing bars or shear reinforcement bars) and the diameter of the reinforcing bars included in the reinforcement model. This reinforcing bar tabulation sheet is created by referring to the attribute data of the reinforcing bar objects stored in the database of the 3D product model. An example of the format of the reinforcing bar tabulation sheet is shown in Fig. 5(3). By creating such a reinforcing bar tabulation sheet, the labor and effort in subsequent processes such as integration and construction planning can be reduced.

[0034] The drawing means 24 creates a 2D drawing regarding the reinforcing bar objects included in the reinforcement model. This 2D drawing is created by referring to the position and shape data of the reinforcing bar objects stored in the database of the 3D product model. The 2D drawing can be composed of a plan view, a sectional view, etc. of the entire or a part of the reinforcement model seen from an arbitrary direction. Examples of the 2D drawing include construction drawings such as a developed view of the reinforcement and a processing drawing. An example of the developed view is shown in Fig. 5(1), and an example of the processing drawing is shown in Fig. 5(2). The developed view is a sectional view of each part (for example, walls, floor / ceiling slabs, columns) of the reinforcement model, and the joint positions, reinforcing bar diameters, various dimension lines, etc. are also described in the figure. The processing drawing is created by extracting representative reinforcing bars from the reinforcement model and drawing them. By creating such 2D drawings, the labor and effort in subsequent processes such as integration and construction planning can be reduced.

[0035] The output means 26 outputs the developed drawing, processing drawing, steel bar summary table, etc. of the created steel bar arrangement, and can be configured by, for example, a display, a printer, or the like.

[0036] The operation and function of the above configuration will be described. First, a three-dimensional product model of a reinforced concrete structure is created using the model creation means 12. Next, using the extraction means 14, the position and shape data of the steel bar objects included in the three-dimensional product model are extracted, and using the classification means 16, the attribute information including the usage type of the steel bar objects is classified. Next, using the attribute assignment means 18, attribute data is assigned to the steel bar objects. Thereafter, by calculating the lap length of the steel bar objects using the inspection means 20, the lap length of the steel bars arranged in the reinforced concrete structure is inspected. By doing so, the design inspection regarding the steel bars can be efficiently performed.

[0037] Also, by creating a steel bar summary table with the tabulation means 22 and creating a two-dimensional drawing (such as a construction drawing) with the drawing means 24, the labor and work effort in subsequent processes such as accumulation and construction planning can be reduced.

[0038] Note that the quantity calculation of the steel bars may be performed using the above embodiment. In this case, referring to the attribute data of the steel bar objects stored in the database of the three-dimensional product model, the quantity of the steel bar objects for each attribute such as the usage type is calculated. In this way, the amount of steel bars used in the reinforced concrete structure can be calculated, and the labor and work effort in subsequent processes such as accumulation can be reduced.

[0039] As described above, according to the design review support system of the present invention, it is a system for supporting the design review of the reinforcing bars arranged in a reinforced concrete structure, including an extraction means for extracting the position information and shape information of the reinforcing bar models included in the three-dimensional product model created based on the reinforced concrete structure, a classification means for classifying the attribute information of the reinforcing bar models other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar models, an attribute assignment means for assigning the classified attribute information to the reinforcing bar models, and a review means for reviewing the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the adjacent reinforcing bar models based on the position information, shape information and attribute information of the reinforcing bar models. Therefore, the design review of the reinforcing bars in the reinforced concrete structure can be efficiently carried out.

[0040] Further, according to another design review support system of the present invention, it further includes at least one of a table creating means for creating a summary table of reinforcing bar classification obtained by classifying and aggregating the reinforcing bar models included in the three-dimensional product model according to the attribute information, or a drawing creating means for creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model. Therefore, a summary table of reinforcing bar classification and construction drawings required for accumulation and construction plans can be obtained, and the labor and work effort in the subsequent processes can be reduced.

[0041] Also, according to the design review support method of the present invention, a method for supporting the design review of the reinforcing bars arranged in a reinforced concrete structure, the method comprising: extracting the position information and shape information of the reinforcing bar models included in a three-dimensional product model created based on the reinforced concrete structure; classifying the attribute information of the reinforcing bar models other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar models; assigning the classified attribute information to the reinforcing bar models; and checking the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the adjacent reinforcing bar models based on the position information, shape information, and attribute information of the reinforcing bar models. Therefore, the design review of the reinforcing bars in the reinforced concrete structure can be efficiently performed.

[0042] Also, according to another design review support method of the present invention, it further includes at least one of the steps of creating a summary table of reinforcing bar classification obtained by classifying and aggregating the reinforcing bar models included in the three-dimensional product model according to attribute information, or creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model. Therefore, a summary table of reinforcing bar classification and construction drawings required for accumulation and construction plans can be obtained, and the labor and work effort in the subsequent processes can be reduced.

[0043] Also, according to the design review support program of the present invention, since the above-described design review support method is executed by a computer, the design review support method can be efficiently performed using a computer.

Industrial Applicability

[0044] As described above, the design review support system, design review support method, and program according to the present invention are useful for the design review of reinforced concrete structures, and in particular, are suitable for supporting the design review of the reinforcing bars in reinforced concrete structures.

Explanation of Signs

[0045] 10 Design review support system 12 Model creation means 14 Extraction means 16 Classification means 18 Attribute assignment means 20 Verification means 22 Table creation means 24 Drawing means 26 Output means

Claims

1. A system for assisting in the design review of reinforcing bars arranged in a reinforced concrete structure, comprising: extraction means for extracting the position information and shape information of the reinforcing bar model included in the three-dimensional product model created based on the reinforced concrete structure; classification means for classifying the attribute information of the reinforcing bar model other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar model; attribute assignment means for assigning the classified attribute information to the reinforcing bar model; and checking means for checking the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the reinforcing bar models close to each other based on the position information, shape information and attribute information of the reinforcing bar models.

2. The design review support system according to claim 1, further comprising at least one of tabulation means for creating a tabulation sheet for each type of reinforcing bar obtained by classifying and tabulating the reinforcing bar models included in the three-dimensional product model according to attribute information, or drawing means for creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model.

3. A method for assisting in the design review of reinforcing bars arranged in a reinforced concrete structure, comprising: a step of extracting the position information and shape information of the reinforcing bar model included in the three-dimensional product model created based on the reinforced concrete structure; a step of classifying the attribute information of the reinforcing bar model other than the position information and shape information based on the extracted position information and shape information of the reinforcing bar model; a step of assigning the classified attribute information to the reinforcing bar model; and a step of checking the lap length of the reinforcing bars arranged in the reinforced concrete structure by calculating the lap length of the reinforcing bar models close to each other based on the position information, shape information and attribute information of the reinforcing bar models.

4. The design review support method according to claim 3, further comprising at least one of a step of creating a tabulation sheet for each type of reinforcing bar obtained by classifying and tabulating the reinforcing bar models included in the three-dimensional product model according to attribute information, or a step of creating a two-dimensional drawing of the reinforcing bar models included in the three-dimensional product model.

5. A design review support program, characterized in that a computer is caused to execute the design review support method according to claim 3 or 4.

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