JP3504875B2 - Extension housing design equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detached house
Future expansion is anticipated when building low-rise houses such as homes.
If this is the case, design the building before adding
For designing an extension house for a building. 2. Description of the Related Art Low-rise houses and other low-rise houses have a current family structure.
Depends on the personal preferences of the family
It generally requires a layout. Because of this, housing
When building a building, design based on the current family structure
Will be realized in the near future in the design of
Designed in anticipation of that. That is, in the current family structure
And if the child is a preschooler, it will be needed in the near future
It is common practice to build private rooms etc. that will be
Have been. [0003] Also, as children grow up,
It may be necessary to make the room larger, or a couple's room, living room, etc.
It may be necessary to make the room larger,
When these occur, it is a good idea to respond to these
General. Further, after a child has a new home,
The big question is whether the family is independent or living together
However, in any case, if necessary at that time
It is common to make additional extensions. That is, the child's family
If you are living in your current home,
It is common practice to add a functional extension
If you live in a different house,
They are also being renovated so that they can function as homes.
You. [0005] When expanding a house, according to the request
We perform structural calculations etc. individually to confirm safety. In particular,
Expansion of foundation sections, columns, beams and other structures and bearing elements
If only minutes are not enough, some of the existing foundations and frames
Demolishing has been done. Especially the first floor
To add a new building horizontally, build a new building
There is no major change, and the construction period and cost have both increased significantly.
It is rare to add. However, when expanding the upper floor,
Is generally insufficient with the amount of foundations, frames and load-bearing elements
After reinforcing these existing parts,
It is common to call. [0006] As described above, the present housing
In home building, future extension, especially extension to upper floor, or 2
Be able to accommodate horizontal extensions above floors
It is not designed and built. For this reason,
When a request arises, examine the structure of the foundation and frame
Demolish and reinforce existing foundations and frames based on results
After that, necessary extension work has been performed. Follow
The construction period is large and the construction period is long.
And costs have to increase.
You. In addition, in anticipation of future expansion,
It is also possible to build a large building that satisfies the target
However, in this case, the initial investment is large and this investment is wasted in the future.
There is also a problem that there is a possibility of becoming. An object of the present invention is to provide a building for future expansion.
The basic structure, frame structure, and load-bearing elements
By arranging and building the building before extension, the actual extension work
We aim to shorten the construction period when doing things as much as possible
An extension house that can realize construction at low cost
It is to provide a design device for designing. [0009] In order to solve the above problems,
The extension housing design device according to the present invention
Design the house after the extension, and implement the house after the extension.
The basic cross-section, column cross-section and bearing wall structure necessary for
Designing an extension house that takes in the position and designs the house before extension
Measurement device, basic data, pillar data, load bearing element
The structure that stores the data of the building components including the data of
Component storage unit, basic structure, frame structure and load bearing element
Calculation program that stores a program for structural calculation of buildings including
Program storage unit and the hierarchy and floor plan for future expansion
Structure and bones for the building after extension assumed in advance
Structural calculations, including the structure and placement of braced structures and load bearing elements
Building operation department after extension and future extension from building after extension
Of the foundation section, pillar section and load-bearing wall
The structure and location of the building before the extension
The building calculation unit before extension and the building calculation unit before extension
Results of structural calculations for buildings before extension
Judgment to judge whether the building before construction is satisfactory in terms of strength
Enter the necessary data for designing the extension and the extension house
Input means, and the judgment result by the judgment unit
Output means for outputting data and design drawings
It is composed. [0010] In the above-mentioned extension building design apparatus, the configuration
Basic data, pillar data, and strength element data are stored in the element storage unit.
Data of building components, including
Basic structure, frame structure and load-bearing element in program memory
The program of the structural calculation of the building including
The data required to design an extension
Data as well as setting the floor plan of the building after expansion.
By specifying the building components and building components, the building will be expanded by the building operation
Structural calculations for later buildings can be performed and input
Extension by removing the future extension from the building after extension by means
By setting the floor plan of the previous building, the building after the extension
Structure of foundation section, column section and bearing wall set for
The basic section, pillar section, and
Expanded by importing data as bearing wall structure and position
It is necessary to perform structural calculations on the building before the extension
Can be. A structure meter stored in a calculation program storage unit
The calculation program adds conditions such as ground conditions and wind conditions.
Structural formula used for ordinary low-rise buildings
I can do it. And assuming the floor and floor plan after extension
After setting up a new building and adding it, the building operation section
Perform structural calculations, including the structure and placement of structural elements
By doing so, the basic cuts necessary to realize the building
The design should include the structure and arrangement of surfaces, column sections and bearing walls.
Can be. [0012] In addition, a general
Next, delete the part to be expanded and build it before expanding
Set the floor and floor plan of the building before construction, and set
For the building before the extension, the post-extension
The floor plan of the building before the extension, excluding the future extension, is
The basic section designed for the building after the extension,
The building before the extension without changing the structure and position of the pillar section and bearing wall
Of the basic section, column section and load-bearing wall of the building
It is necessary to perform structural calculations on the building before the extension
Can be. This structural calculation is also performed by the normal structural calculation formula.
I can guide you. [0013] The structure of the building after extension performed as described above
The result of the calculation and the building before extension based on the result of this structural calculation
Based on the results of the structural calculation of the building,
Before expansion based on the structure and position of the foundation structure, column section and bearing wall
To determine whether a building is satisfactory in terms of strength.
The data of the judgment result and the design
Data and design drawings can be output. That is, in general, the building after the extension is
The building area is larger and the level is higher than the building.
Therefore, the calculation result of the structural calculation for the building
Immediately satisfying the structural calculation results of the building before extension
Absent. For example, the shape of the extension is deformed,
If there is a possibility that it will act, the building
Corresponding foundation structure and frame structure corresponded to the building before extension
The basic structure and frame structure may not be satisfied. Therefore, the structural calculation for the building after the extension
The result of the structural calculation for the building before the extension is stronger than the result
Whether or not it is satisfactory in terms of structural
Match the result of the structural calculation for the building before extension to the result
In the following, "satisfactory in strength" and "
Synonymous with "not satisfied" and "not suitable"
May be used), and as a result,
Structural calculation results corresponding to the previous building are satisfactory in terms of strength
In case, foundation section, pillar section and strength of building after extension
It is possible to design a building before extension based on the structure including the walls
I can do it. Further, the result of the structural calculation corresponding to the building before the extension is completed.
If the fruits are not satisfactory in terms of strength,
Changed and changed the structure including cross section, column section and bearing wall
Perform structural calculation again based on the structure, and
The result of the structural calculation for the object corresponds to the building
Repeat until it matches the result of the fabrication calculation. And before expansion
Result of structural calculation of building is the result of structural calculation of building after extension
When the strength is satisfied, the basic section and pillar of the building after extension
Based on the structure including the cross section and the load-bearing wall,
Can be measured. In designing an extension house as described above,
Therefore, the building before extension is stronger than the building after extension.
Satisfactory foundation structure, frame structure and structure and arrangement of load-bearing elements
Will be included in the building used in the future (extension
When adding a building in front of the building,
It is not necessary to add
Significant reduction in construction time by processing ceilings
And reduce costs as much as possible.
You. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following is an explanation of an apparatus for designing an extension house.
A preferred embodiment will be described with reference to the drawings. Figure 1
It is a figure showing an example of a building after extension. Figure 2 shows the building before extension
It is a figure showing the example of. FIG. 3 shows an extension house according to the present invention.
5 is a flowchart showing a procedure for implementing the design method.
FIG. 4 is a plan view showing the floor plan of the first floor of the building after extension.
You. Figure 5 is a plan view showing the floor plan of the second floor of the building after extension
is there. Fig. 6 is a plan view showing the floor plan of the third floor of the building after extension
It is. FIG. 7 is a plan view of the roof of the building after the extension. Figure
8 shows a floor plan of the first floor and a base plan of the building after the extension. Figure
9 is a floor plan and a beam plan of the second floor of the building after the extension. Figure
10 is a floor plan and beam plan of the third floor of the building after the extension. Figure
11 is a roof plan and a beam plan of the roof of the building after the extension.
FIG. 12 is a plan view showing the floor plan of the first floor of a building before extension.
You. Figure 13 is a plan view showing the floor plan of the second floor of the building before the extension
is there. FIG. 14 is a plan view of the roof of the building before extension. Fig. 15
Is a floor plan of the first floor and a base plan of the building before the extension. FIG.
Is a floor plan and a beam plan of the second floor of the building before extension. Fig. 17
Is a roof plan and a beam plan of the roof of the building before extension. Figure
FIG. 18 is a diagram showing an output example when outputting the determination result. Figure
19 is a block diagram of the design device. An apparatus for designing an extension house according to the present invention is, for example,
In the current family structure, a two-story building as shown in FIG.
It is possible to secure enough living space by building
Yes, but not in the near future (not in the near or far future)
I) Changes in the surrounding environment and changes in family composition that will be realized
A life plan in anticipation of this and realize this life plan
Buildings (see Fig. 1, hereinafter referred to as "extended buildings")
As well as the post-expansion building and the current building
Area of difference from power building (hereinafter referred to as “building before extension”)
When building a building before the extension,
The foundation structure corresponding to the building, the frame structure including columns and beams, and the
A design method that incorporates the layout of the force element structure
It is intended to be executable. In this way,
The foundation section and column section corresponding to the building after construction and the structure of the bearing wall
By incorporating the structure and layout,
No reinforcement work is required on the building before construction,
Remove part of the roof and connect new pillars, beams, etc.
It is possible. Therefore, it is necessary to shorten the construction period and
Costs can be kept to a minimum. For example, the building before extension shown in FIG.
It consists of part A and part B on the second floor.
2, living room 3, Japanese room 4, bathroom 5, stairs 6, hand washing 7
There are 8 master bedrooms and 2 children's rooms on the 2nd floor
9. Veranda 10 is arranged. The house in this example is a house
Sufficient general household consisting of couple and two children
It is possible to live with a living space. FIG. 1A shows an example of a building after extension, which is on the third floor.
It is built on the 1st floor
It is assumed that A functions as a commercial space
It is. And in this example, the kitchen and living room on the first floor
Was converted to a commercial space 11, and these kitchens 2, living rooms 3
Located on the third floor C. Elevator from the first floor A to the third floor C
12 is installed. For this reason, before the extension shown in FIG.
Building, entrance 1 on the first floor A, and entrance 2 on the second floor B
Elevator 12 installation space in advance near the children's room 9
13 are provided and can be used as a ceremony table for entrance 1 or for children
It is used as a storage room for room 9. Another example of the building after extension shown in FIG.
It is a three-story building that secures sunshine due to the dense surrounding environment.
A spacious salon-like kitchen 2 and living room 3 on the third floor
It is provided. In this example, the floor plan of the first floor A and the second floor B
There is no change, and the elevator 12 is changed from the first floor A to the third floor C.
Has been installed. As described above, the three-story building is an expanded building.
Assuming that the base of the two-story building
Foundation, load conditions on columns and beams on the second floor, and three stories after extension
Load on pillars and beams on the foundation, 2nd and 3rd floors of all buildings
Significantly different from heavy conditions. In addition, height changes and is heavy
Horizontal force acting on wind or earthquake due to change in volume
And the amount and structure of the load-bearing wall to resist this force is large.
Vary to width. For this reason, in the present invention, the increase assumed in advance is assumed.
Frame structure including foundation, columns and beams based on the building after construction
Structural calculation including structure (including quantity) and arrangement of structural and bearing elements
And the resulting foundation section, column section and bearing wall
Perform structural calculations on the building before expansion
The structural calculation result for the previous building is
If it is not compatible with the conditions of foundation section, column section and bearing wall
And the foundation section, pillar section,
Repeat the structural calculation by changing the amount and arrangement of
As a result, the structural calculation for the building before the extension was
The building before the expansion when it matches the structural calculation for
Design incorporating the basic section, pillar section, and load-bearing wall of the building after
Satisfies the strength of the building before the extension and expands
It is possible to satisfy the strength of existing parts in later buildings
It is. FIG. 19 is a block diagram showing the design apparatus 40 of this embodiment.
It is configured as shown in the figure. That is, the design procedure described later
The order is stored in advance as an operation program of the design device.
While the designer or operator inputs necessary information as appropriate,
The design procedure while checking the display
Is configured. The configuration of the design apparatus 40 will be described with reference to FIG.
I do. In the figure, a design support device 40 includes a control unit 41 and an input.
The control unit includes a power unit 42 and an output unit 43.
41, an input unit 42, and an output unit 43 are connected via an interface 44.
Connected. The control unit 41 receives a signal from the arithmetic unit 41a and the input unit 42.
The data and calculation results corresponding to the input target house
A temporary storage unit 41b for temporarily storing data,
A program in which the design procedure program and judgment procedure are written
When setting the floor plan of the target building with the ram storage unit 41c
Components, such as entrance, kitchen, living room, Japanese room, etc.
It has elements and various cross-sectional shapes to satisfy individual functions.
Foundation data, columns with various cross-sectional shapes,
Configuration that memorizes data of load bearing elements with various shapes
An element storage unit 41d and a program for executing the structural calculation.
Computer program storage unit 41e where the program was written
Building calculation part 41f after extension which performs structural calculation of the building of
Includes a pre-extension building operation unit 41g that calculates the structure of the previous building
It is configured. The input unit 42 includes a keyboard 42a, a mouse 42b,
And input means such as a scanner 42c,
The output unit 43 has a display 43a and a printer 43b.
It is configured. In the design apparatus 40 configured as described above,
Necessary for setting the layout of the building after construction and the building before extension
Information such as land area and land type, etc.
Information required to perform structural calculations, such as earth bearing capacity and unit area
Building after extension and before extension
Input all the data necessary to design the building from the input unit 42
And stores it in the temporary storage unit 41b of the control unit 41.
Determine the outline of the building while displaying the type on the display 43a
Further, it is necessary to configure a floor plan from the component storage unit 41d.
By reading out the element and applying it to the shape of the building,
It is possible to set floor plans. After setting the floor plan of each floor,
In the object operation unit 41f, it is stored in the calculation program storage unit 41e.
Strength information and wind according to the
Analyze the effects of forces caused by earthquakes and seismic forces and perform structural calculations
You. During this process, the operator confirms the display 43a.
While acknowledging, the foundation structure is set, and the frame including columns and beams on each floor
And proceed with the work of placing load-bearing walls on the walls of each floor.
It is possible to run. The building after the extension set as described above
The floor plan of the building before extension except for the part corresponding to the extension
Set and store the calculation program in the building calculation unit 41g before extension
According to the structural calculation program stored in the section 41e,
By analyzing the strength information of the wind and the action of the force due to wind and seismic force.
It is possible to carry out the calculation. Then, the floor plan of each floor and the base
Printer of floor plan, pillar position and beam plan, and arrangement of load-bearing walls
43b to obtain FIGS. 4 to 17 described later.
It is possible. Further, the data is written in the program storage section 41c.
Read the judgment procedure that has been completed, and
The results of the structural calculations for the building
The calculation unit 41a determines whether the result of the corresponding structural calculation matches
It is possible to obtain the determination result of FIG.
You. Using the design apparatus 40 configured as described above
It is possible to implement the extension housing design method
For example, better housing while considering with the customer at the customer site
Can be provided. Next, the flowchart of FIG. 3 and FIGS.
18 using the design equipment of the extension house according to the present invention.
The procedure for designing a built house will be described. First, in step S1, the building after extension and
Land area and land type required to design the building before extension
And all data such as ground bearing capacity and load capacity per unit area
Is input by the input means 42. In step S2, all the input data
CA necessary for setting the floor plan of the building after extension from inside
Select the D data and set the floor plan of the building after extension.
In the present invention, the layout of the building before the extension and the building after the extension
Whether to have commonality with the floor plan is particularly limited
Not something. But to have more in common
Thus, it is possible to reduce the cost of the extension. others
At the same time, set the floor plan of the building before extension in step S8
I do. For example, in this embodiment, the building after extension
The building before the extension is a two-generation house, and the future is three generations
It is assumed that they live together, and at this time the third floor C is added
To increase two rooms. And after extension
Is a floor plan of the first floor A shown in FIG. 4 and the second floor shown in FIG.
Floor plan B, floor plan C shown in FIG. 6, house shown in FIG.
It is set like the structure of the root D. That is, on the first floor A
Seki 1, kitchen 2 and living room 3, Japanese room 4, bathroom 5, stairs 6, hand wash
7 、 Veranda 10 is arranged, 2 kitchens and living room on the 2nd floor B
3, 2 Japanese-style rooms 4, 2 stairs 6, hand wash 7
The third floor C has stairs 6 and two rooms 13
You. Roof D is constructed as a gable roof as shown in Fig. 7.
are doing. The floor plan for each floor as described above is the display 43
a and displayed by the printer 43b as necessary.
Output as a surface. The following figures are all displayed.
The contents are the same as the display contents of (a) 43a.
43b. The building after the expansion assumed as described above is
However, the actual building before the extension is a two-story building.
Is set. In the building before this extension, the first floor A is
Is the same as the floor plan of the first floor A of the new building
There, entrance 1, kitchen 2 and living room 3, Japanese-style room 4, bathroom 5, stairs
6, hand washing 7, veranda 10 are arranged. The second floor
The floor plan of B is also shown in Fig. 13
Same as floor plan B on the second floor, 3 kitchens and 2 living rooms
A Japanese-style room 4, two stairs 6, and a hand wash 7 are arranged. I
However, the second floor B does not require the stairs 6 to the third floor.
A door 14 is formed in a portion corresponding to the step 6. roof
D is configured as a gable roof as shown in FIG. Next, in step S3, the hierarchy as described above
The basic structure, pillars and
The structure of the frame structure consisting of beams,
Extract the data needed to make structural calculations to determine
I do. Similarly, in step S9, the building before
And extract data necessary for performing structural calculations. Then, in step S4, the extracted
Based on the data, perform structural calculations for the building
Give. This calculation is based on the strength of the ground and the height of the building after extension.
Horizontal force acting on wind and earthquake based on
This is a normal structural calculation taking into account the calculation.
Steps the program stored in the program storage unit 41e
It is read and executed in S6. In the process of the above structure calculation, in step S5
Is to set the structure of the building after extension reasonably.
Change the components that make up the new building as needed
You. As a result of this structural calculation, in step S7,
Foundation sections, pillar sections,
Cross-sectional shape of beam-shaped frame and structure and arrangement of load-bearing walls
Set the position etc. That is, as a result of the above structure calculation, FIG.
Yuna, floor plan of the foundation, arrangement of floor beams on the first floor, and position of bearing walls
Is set. In other words, along the periphery of the building after extension
A foundation 21 is installed, and a floor beam 22 on the first floor is placed on the foundation 21.
You. Similarly, on the second floor, as shown in FIG.
The floor beam 22 is arranged, the column 23 that supports the floor beam on the second floor and the strength
The walls 24 are respectively arranged at predetermined positions, and the third floor portion is shown in FIG.
As shown, floor beams 22, columns 23, and load-bearing walls 24 on the third floor
Position, and the roof has a roof beam 25 and a roof beam 25.
Pillars 23 for supporting the floor, and load-bearing walls 24 on the third floor
Is placed. As described above, the layout of the building after extension is set up.
It is decided and based on this layout,
The structure and position of the foundation section, column section, and load-bearing wall are set.
You. However, the structure of the building after the extension is
Is not uniquely set for
Can be set. That is, step S
Optimized response to the expanded building set in 7
Of the foundation section, column section and bearing wall
But these are just examples. Next, after the extension set in step S7,
Structure and position of foundation section, column section and bearing wall corresponding to building
Transfer the data of the installation to step S10, and after the transferred extension
Corresponding to the level of the building before the extension
The basics of the building before expansion
Section, column section, and structure and position of the bearing wall. In step S10, the building after extension is
Structure and position of foundation section, column section and bearing wall corresponding to
Execute the structural calculation for the pre-extended building.
This structural calculation is stored in the calculation program storage unit 41e of the control unit 41.
Read and execute the stored program in step S6
Is done. Next, in step S11, in step S10
The results of the structural calculations performed on the building before the extension
Result of structural calculation for the building after extension executed in Step S4
The results are compared with each other to determine
The specified result is output as FIG. In addition, FIG.
FIG. 7B shows a screen on which the fixed result is output, and FIG.
It is an enlarged table of the indicated judgment items. Basic section and pillar section corresponding to the building after extension
When the structure and position of the surface and load-bearing wall are applied to the building before extension
In this case, the specifications of the building before the extension
It can sufficiently counter horizontal forces acting on the building before extension
It is. However, the shape of the building after expansion and the building before expansion
Excessive specifications are not always necessary when the shape of the
Is not a condition that can be satisfied
May not be able to counteract the horizontal force acting on the Special
In addition, this tendency is remarkable in steel-framed buildings.
Structure and position of foundation section, column section and bearing wall corresponding to building
The structure of the building before extension that incorporates the installation is satisfied in terms of strength
It is necessary to consider whether or not. In FIG. 18, judgment items arranged in the vertical direction
Is selectively determined according to the specification of the target building
And not all are considered.
No. That is, a special symbol as shown in the figure is written in the non-judgment item.
OK, depending on the result of the judgment, OK or
Listed as NO. In step S11, the building corresponding to the expanded building was used.
Increasing the structure and position of the foundation section, column section, and load-bearing wall
Determined whether the structure of the building before construction was satisfactory in terms of strength
As a result, if you are not satisfied with the strength,
The foundation section, pillar section, and the structure and position of the bearing wall are
Does not conform to the structure and position of the foundation section, column section, and load-bearing wall
And return to step S5, and in the building after extension
Foundation structure, frame structure composed of columns and beams, structure of load-bearing walls
And the components including the position are changed.
Execute steps 4 to S10, and increase the number again in step S11.
In step S4, the result of the structural calculation for the building
Structure for the building after extension after changing the executed structure
Comparing with the result of the calculation to see if it matches. Change of components in step S5
Indicates that the operator checks the display 43a.
It is preferable to perform the treatment appropriately. In step S11, the building corresponding to the expanded building was made to correspond.
Increasing the structure and position of the foundation section, column section, and load-bearing wall
We examined whether the structure of the building before construction was satisfactory in terms of strength
As a result, if you are satisfied with the strength,
The cross-section, pillar cross-section, and the structure and position of the bearing wall are
Suitable for foundation section, column section, and structure and position of bearing wall
Judge and proceed to step S12, input in step S1
Design the building before extension from all the data. Before the extension set in step S12
In step S13, depending on the structure of the building,
Fig. 16, the floor plan of the second floor in Fig. 16, and the roof plan of the roof beam in Fig. 17, respectively.
Output. In this embodiment, the output is performed as described above.
Floor plan (Fig. 15) corresponding to the building before extension
The beam plan (Fig. 16) and the roof plan (Fig. 17) of the roof beam are described above.
Basement plan corresponding to the building after extension ~ Beam plan on the third floor (Fig. 8
10) of course. As described above, the building after extension was made compatible.
Increasing the structure and position of the foundation section, column section, and load-bearing wall
Before building, the basic section, column section, and structure and position of the bearing wall
After each output as a drawing, it ends and ends. As described in detail above, according to the present invention,
With the design equipment for an extension house, the design of the building after the extension and before the extension
It is possible to progress the design of the building step by step,
Regardless of the level of skill in the design method,
Based on the structure and position of the
And the set foundation section and column section
The structure and position of the surface and bearing wall were incorporated into the building before the extension
The suitability of the building, and based on this judgment,
Basic sections and pillars that correspond to objects and also to the building before extension
Design buildings with cross-sections, bearing wall structures and locations
Can be done. Therefore, when expanding a building, the existing building
There is no need to reinforce foundations, columns, or load-bearing walls;
The minute beam should connect the column to the existing part. others
To shorten the construction period and increase costs
Nothing.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing an example of a building after extension of a future extension house according to the present invention. FIG. 2 is a diagram showing an example of a building before extension of a future extension house according to the present invention. FIG. 3 is a flowchart showing a design procedure of a future extension house. FIG. 4 is a plan view showing a floor plan of the first floor of a building after extension. FIG. 5 is a plan view showing a floor plan of the second floor of the building after the extension. FIG. 6 is a plan view showing a floor plan of the third floor of the building after the extension. FIG. 7 is a plan view of a roof of a building after extension. FIG. 8 is a floor plan and a base plan of a building after the extension. FIG. 9 is a floor plan and a beam plan of the second floor of the building after the extension. FIG. 10 is a floor plan and a beam plan of the third floor of the building after the extension. FIG. 11 is a roof plan and a beam plan of the roof of the building after the extension. FIG. 12 is a plan view showing a floor plan of the first floor of a building before extension. FIG. 13 is a plan view showing a floor plan of the second floor of a building before extension. FIG. 14 is a plan view of a roof of a building before extension. FIG. 15 is a floor plan and a base plan of a building before extension. FIG. 16 is a floor plan and a beam plan of the second floor of a building before extension. FIG. 17 is a roof plan and a beam plan of a roof of a building before extension. FIG. 18 is a diagram illustrating an output example when a determination result is output. FIG. 19 is a block diagram of a design device. [Description of Signs] A Floor plan of the first floor B Floor plan of the second floor C Floor plan of the third floor D Roof structure 1 Entrance 2 Kitchen 3 Living room 4 Japanese-style room 5 Bathroom 6 Stairs 7 Hand washing 8 Master bedroom 9 Children's room 10 Veranda 11 Commercial space 12 Elevator 13 Space 21 Foundation 22 Floor beam 23 Column 24 Bearing wall 25 Roof beam 40 Design support device 41 Control unit 41a Operation unit 41b Temporary storage unit 41c Program storage unit 41d Component storage unit 41e Calculation program storage unit 41f Building operation unit after extension 41g Building operation unit before extension 42 Input unit 42a Keyboard 42b Mouse 42c Scanner 43 Output unit 43a Display 43b Printer 44 Interface

Claims (1)

(57) [Claims] [Claim 1] Designing a post-expansion house in anticipation of pre-expansion and the basic cross section, column cross section, and bearing wall structure necessary for realizing the post-expansion house An extension housing design device that takes in a position and designs a house before extension, comprising a component storage unit that stores data of building components including foundation data, pillar data, and load-bearing element data; A calculation program storage unit that stores a program for structural calculation of a building including a foundation structure, a frame structure, and a load-bearing element, and a foundation structure and a frame structure for a building after the expansion in which the level and layout of the future expansion are assumed in advance, and The post-extension building calculation section, which performs structural calculations including the structure and arrangement of the load-bearing elements, and the structure and position of the basic section, column section, and load-bearing wall of the pre-extension building excluding the future extension from the post-extension building The building calculation unit before extension that takes in the data as the data and calculates the structure of the building before extension, and the calculation result of the structural calculation corresponding to the building before extension in the building calculation unit before extension is strong enough as the building before extension A determination unit for determining whether or not to perform, input means for inputting data necessary for designing an extension house, and output means for outputting the determination result and the designed data and the design drawing by the determination unit, An extension housing design device characterized by having.