JP2018133079A - Log house design support system and log house design support program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a system for supporting a design unique to a log house.SOLUTION: A log house design support system for supporting the design of a log house in which at least an exterior wall is formed by laminating log materials comprises: basic design storage means for storing at least design rule data related to a design rule in the design of the log house; individual design information reference means for referring to individual design information including at least information on a flat outer shape and an opening position of the log house and the number of stages and a cross-sectional shape of the log materials as for the design of the log house; binding material arrangement determination means for determining arrangement of at least one of dimples and through-bolts as binding materials for vertically binding the log materials by referring to the design rule data on the basis of the referenced individual design information; and design data creation means for creating design data including the arrangement of the binding materials determined by the binding material arrangement determination means.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a system for supporting log house design and a program for realizing the system.

  2. Description of the Related Art Conventionally, in designing a house, a system for reducing work labor by using a computer has been provided.

  For example, Patent Document 1 below discloses a residential design system having means for designing heat insulation performance, evaluating it, and changing it as necessary.

  Further, Patent Document 2 below discloses a foundation design device that detects an excess or deficiency in foundation strength when designing a foundation of a unit type building.

Japanese Patent No. 5579025 Japanese Patent No. 4648516

  Here, the log house is a wall (hereinafter referred to as “log wall”) constructed by a log construction method in which logs, lumber and other similar timber (hereinafter referred to as “log material”) are stacked horizontally. A building with a roof.

  The techniques described in Patent Documents 1 and 2 above all aim to improve design quality, but there is no mention of design specific to log houses. Therefore, these techniques are not applicable to log house design.

  Therefore, an object of the present invention is to provide a system for supporting a design specific to a log house.

  In view of the above problems, the invention according to the present application has the following characteristics. Each “means” mentioned below functions as the means when a CPU that controls the computer executes a predetermined program unless otherwise specified.

(1) 1st invention In view of said subject, 1st invention of this application is a log house design support system which supports the design of the log house in which a log material is laminated | stacked and an outer wall is formed at least. ,
Basic setting storage means for storing at least design rule data related to design rules in log house design;
For the design of the log house, individual design information reference means for referring to individual design information including at least information on the planar outer shape of the log house, the opening position, the number of steps of the log material, and the cross-sectional shape of the log material;
Based on the referred individual design information, referring to the design rule data, a binding material arrangement determining means for determining the arrangement of at least one of a dowel and a through bolt that are binding materials for fastening the log material up and down;
Design data creation means for creating design data including the placement of the binding material determined by the binding material placement determination means;
It is characterized by providing.

  Here, “at least the outer wall is formed by laminating log materials” means that the partition wall other than the outer wall may be formed by laminating log materials.

  In addition, “design rules” are standards that must be complied with by laws and regulations, notifications, guidelines, etc. regarding log house design, and other standards that designers must voluntarily comply with. This applies to all log houses designed and supported by this log house design support system. “Design rule data” is a data structure of such a design rule. “Basic setting storage means” is hardware (for example, ROM, RAM, hard disk, etc.) as a storage device having a function of storing such a data structure, and is either an internal storage device or an external storage device (Internet). It does not matter whether it is a server or the like via In addition to the design rule data, the basic setting storage means preferably includes data related to a drawing rule when drawing a design drawing based on the design data.

  The “individual design information” is design information for each log house that is supported by the log house design support system. This individual design information includes at least information on the planar outer shape of the log house, the opening position, the number of steps of the log material, and the cross-sectional shape of the log material. Here, the “planar outline of the log house” means an outline in plan view that the log house occupies on the site. The “opening position” refers to the position of an opening such as a doorway or a window. The “number of log material steps” refers to the number of log material layers stacked on the log wall. The “cross-sectional shape of the log material” refers to the cross-sectional shape and cross-sectional area of the log material. Such individual design information may be input by an appropriate input means, or may be stored in an internal or external storage device. “Individual design information reference means” refers to such input individual design information or stored individual design information. In the present invention, “referring” means that information or data is acquired for use in any subsequent processing, and if necessary, such information or data is used for the processing (and in some cases). In some cases, the data is temporarily or permanently stored even after being subjected to the processing.

  In addition to the information described above, the individual design information includes, for example, log material type, electrical hole position, dormer position, deck position and shape, pouch position and shape as optional information regarding each part of the log house. Information such as the roof shape, the partition wall position, the blowout position, the staircase position and shape, the soil position and shape, the position and shape of the equipment and the construction material, and the position and shape of the log penetration port can be included. In addition, as optional information related to parts that are not log walls, information on foundations, columns, bundles, beams, other horizontal members, rafters, joists, plywood, and finishing materials (for example, position, shape, grade, Material, strength, etc.). Moreover, the information regarding the amount of snow, the earthquake resistance grade, the reference wind speed, and the earth strength can be included.

  “Bonding material” refers to a part that ties log materials up and down. Here, “tightening up and down” may mean that two or three adjacent log members are fastened, or may be tightly attached to all stages of the log material. Specifically, at least one of a “dough” that binds two or three adjacent log members and a “through bolt” that tightens all the log members is the tightening material. The arrangement of the binding material is determined by the “tightening material arrangement determining means” with reference to the design rule data based on the referenced individual design information. Specifically, the arrangement of the binder is determined for each individual log wall. Here, as the binding material, both a dowel and a through bolt may be used, or only one of the dowel and the through bolt may be used.

  The “design data creation means” is means for creating design data including the binding material arrangement determined by the binding material arrangement determination means. This design data refers to a combination of data that specifies layouts necessary for creating a log house design drawing, various members and positions and arrangements of the members, arrangements of binding materials, and the like. For example, it can be visually output as a design drawing by a display, a printer, or the like. The design data is stored in an appropriate storage device as needed, and can be referred to later.

(2) Second invention In addition to the features of the first invention, the second invention of the present application further includes intermediate structure calculation means for performing intermediate structure calculation based on the referenced individual design information,
The binding material arrangement determining means determines the arrangement of the binding material based on the referred individual design information and the result of the intermediate structure calculation.

  In the second invention, based on the individual design information, the intermediate structure calculation means performs an intermediate structure calculation, and the arrangement of the binding materials suitable for the intermediate structure calculation is determined by the binding material arrangement determination means. It is supposed to be done. The “intermediate structural calculation” refers to a structural calculation that does not consider the arrangement of the binder.

(3) Third invention In addition to the features of the first or second invention, the third invention of the present application includes a plurality of preset information composed of a plurality of predetermined unit information as the individual design information. Preset information storage means for storing;
Preset information reference means for referring to one preset information from the plurality of preset information;
Replacement information reference means for referring to replacement information corresponding to arbitrary unit information of the individual unit information constituting the referenced preset information, and
When referring to the individual design information, the individual design information referring means refers to the individual replacement information for the reference information corresponding to any of the unit information of the referenced preset information. For information that is referred to as design information and corresponding replacement information is not referenced, unit information of the preset information is referred to as the individual design information.

  “Preset information” refers to information already prepared as a set of individual design information. This preset information is composed of a plurality of pieces of information as individual design information, and each of the pieces of information is “unit information”. That is, a plurality of sets of preset information including a plurality of unit information as one set are stored in a “preset information storage unit” as a storage unit. “Preset information storage means” is hardware (for example, ROM, RAM, hard disk, etc.) as a storage device having a function of storing such a data structure, and is either an internal storage device or an external storage device (Internet It does not matter whether it is a server or the like via

  From the plurality of sets of preset information, the “preset information reference means” refers to one set of preset information. The referenced preset information may be used for processing by the binding material arrangement determining means. For this purpose, the preset information is stored in an appropriate storage device as necessary. Note that what is to be referred to here is one piece of preset information selected by the user using appropriate input means.

  “Replacement information” refers to information for replacing arbitrary unit information among preset information composed of a plurality of unit information. The replacement information may be input for an arbitrary number (one, plural, or all) of the plurality of unit information. This replacement information may be input by appropriate input means and stored in a temporary storage device such as a RAM, or may be stored in a non-volatile storage device such as a ROM or a hard disk for later reference. .

  The individual design information reference means refers to the input replacement information instead of the corresponding unit information when replacement information is input, and corresponds to when the replacement information is not input. The unit information is referred to. In other words, the preset information composed of a plurality of unit information replaced with the replacement information input for each unit information becomes the individual design information again, and the arrangement of the binding material is based on such individual design information. It is decided.

  Note that all of the unit information constituting the preset information may be replaced with replacement information. In this case, it is equivalent to inputting all the individual design information from one.

  As a result, the log house design support system according to the third aspect of the invention can cope with a partial design change that modifies a part of the predetermined design information, and is made to order without using any existing elements. It will be able to respond to design.

(4) Fourth invention In addition to the features of the first or second invention, the fourth invention of the present application relates to a judgment rule for judging whether the result of the structural calculation of the log house is possible or not. In addition to storing judgment rule data,
Final structure calculation means for performing a final structure calculation based on the design data including the determined binding material arrangement;
It further comprises structural calculation result determination means for referring to the determination rule data to determine whether the final structure calculation result is acceptable.

  That is, in the fourth aspect of the invention, the “final structure calculation means” performs final structure calculation based on the design data including the arrangement of the binding material determined by the binding material arrangement determination means based on the individual design information. The “structural calculation result determination means” determines whether or not the final structural calculation is possible based on the “determination rule”. The “final structural calculation” refers to a structural calculation that takes into account the arrangement of the binder.

(5) Fifth Invention In addition to the features of the third invention, in the fifth invention of the present application, the basic setting storage means determines determination rule data relating to a determination rule for determining whether the result of log house structure calculation is possible. As well as
Final structure calculation means for performing a final structure calculation based on the design data including the determined binding material arrangement;
It further comprises structural calculation result determination means for referring to the determination rule data to determine whether the final structure calculation result is acceptable.

  That is, in the fifth invention, the individual design information (the preset information referred to in the third invention, or the replacement information when any unit information of the preset information is replaced with replacement information) Based on the design data including the arrangement of the binding material determined by the binding material arrangement determination means based on the information and the unit information not replaced), the “final structure calculation means” performs the final structure calculation, Based on the “determination rule”, the “structural calculation result determination means” determines whether the final structure calculation is possible.

(6) Sixth Invention In addition to the features of the fifth invention, the sixth invention of the present application is referred to for the structural calculation when the result of the final structural calculation is “OK”. The personal information further includes information storage means for storing the individual design information as new preset information in the preset information storage means.

  According to the sixth aspect of the present invention, the individual design information can be newly stored as preset information, and thereafter, preset information that can be referred to is enriched.

  Even if the final structural calculation result is “No”, the preset information is used as the new preset information by using the individual design information referred to by the information storage means for the structural calculation. It is good also as accumulating in a memory | storage means.

(7) Seventh Invention In addition to the features of the fourth, fifth, or sixth invention, the seventh invention of the present application includes:
When the determination of the result of the final structure calculation is `` No '', further comprising a binding material arrangement changing means for changing the arrangement of the binding material,
The design data creating means creates design data including the changed arrangement of the binding material.

  “Binding material arrangement changing means” is means for changing the arrangement of the binding material in the design data. For example, the position may be changed by changing, adding, or deleting the position of the binding material on a screen such as a display on which design data is displayed. In addition, when the position of the opening is arbitrarily included in the individual design information, the position and size of the opening can be changed, or the opening can be deleted. It may be changed. Further, for example, a parameter relating to the interval of the binding material as design data may be changed, or any one of the individual design information may be re-input.

  If the arrangement of the binding material is changed by the binding material arrangement changing means, the data relating to the change is provided to the design data creating means to re-create the design data, and the design data is again obtained by the structural calculation result judging means. It will be used for the final structural calculation.

  Even if the final structural calculation result is “OK”, the binding material may be rearranged by the binding material placement changing means.

(8) Eighth Invention A log house design support program according to the eighth invention of the present application is a computer,
Basic setting storage means for storing at least design rule data relating to design rules in log house design,
For the design of the log house, individual design information reference means for referring to individual design information including at least information on the planar outer shape of the log house, the opening position, the number of steps of the log material, and the cross-sectional shape of the log material,
Based on the referenced individual design information, referring to the design rule data, a binding material arrangement determining means for determining the arrangement of the binding material for fastening the log material up and down, and
By functioning as design data creation means for creating design data including the placement of the binding material determined by the binding material placement determination means,
The computer is caused to function as a log house design support system that supports the design of a log house in which at least an outer wall is formed by stacking log materials.

  Of course, this log house design support program may include a program for causing a computer to function as the intermediate structure calculation means in the second invention. Further, a program for causing a computer to function as the preset information storage means and the replacement information reference means in the third invention may be included. Furthermore, a program for causing a computer to function as the final structure calculation means and the structure calculation result determination means in the fourth or fifth invention may be included. In addition, a program that causes a computer to function as the information storage means in the sixth invention may be included. Furthermore, a program for causing a computer to function as the binding material arrangement changing means in the seventh invention may be included.

  Since the first and eighth inventions of the present application have the above-described configuration, the arrangement of the binding materials such as dowels and through bolts, which are the most complicated in log house design, is determined based on the individual design information and design rules. It can be easily performed. In other words, in order to properly arrange the dowels etc. specific to log houses, it is necessary to be familiar with the technical literature such as laws, notices and wooden structure design standards related to the log construction method, as well as design and drawing However, according to the first invention and the eighth invention, even an inexperienced designer can quickly create a log house design drawing, In addition, it is possible to carry out appropriately and maintain the design quality of the log house.

  Moreover, according to the structure of 2nd invention of this application, in addition to the effect of 1st invention, arrangement | positioning of the binding material based on intermediate structure calculation is also attained.

  Further, according to the configuration of the third invention of the present application, in addition to the effects of the first or second invention, a part modification of elements from the predetermined design information, or a custom-made that does not depend on the predetermined design information at all. It will be able to respond to design.

  Further, according to the configuration of the fourth invention of the present application, in addition to the effect of the first or second invention, it is possible to appropriately perform the final structural calculation accompanying the arrangement of the binding material in a short time.

  Furthermore, according to the configuration of the fifth invention of the present application, in addition to the effect of the third invention, the final structural calculation accompanying the arrangement of the binding material based on the individual design information in which some of the preset information is replaced Can be appropriately performed in a short time.

  Further, according to the configuration of the sixth invention of the present application, in addition to the effect of the fifth invention, the individual design information related to the created design data can be newly stored as predetermined design information (preset information). As a result, the design information will be enriched, and it will also contribute to the design labor savings of similar properties.

  Further, according to the configuration of the seventh invention of the present application, in addition to the effects of the fourth, fifth or sixth invention, the arrangement of the binding material is changed based on the result of the structure calculation, and the structural calculation is again performed based on the change. Can be properly performed in a short time.

It is a block diagram of the log house design support system concerning a 1st embodiment. It is a conceptual diagram of the preset information storage means in 1st Embodiment. It is a flowchart which shows the whole design process in the log house design support system which concerns on 1st Embodiment. The detail of the individual design information reference process in the flowchart of FIG. 3 is shown. The details of the information accumulation process in the flowchart of FIG. 3 are shown. FIG. 6 is a conceptual diagram of preset information storage means after the information accumulation process of FIG. 5. It is an example of the axis group diagram based on design data. It is a block diagram of the log house design support system concerning a 2nd embodiment. It is a flowchart which shows the whole design process in the log house design support system which concerns on 2nd Embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the log house design support system 100 according to each embodiment described below includes a CPU 200, a hard disk that stores various data, a nonvolatile storage device 300 such as a ROM, and a RAM 400 that is a volatile storage device. This is realized by executing a log house design support program that is outlined in the flowchart described below.

(1) 1st Embodiment The log house design support system 100 which concerns on the 1st Embodiment of this invention has schematic structure as shown in the block diagram of FIG.

(1-1) Schematic Configuration (1-1-1) Nonvolatile Storage Device The nonvolatile storage device 300 includes basic setting storage means 310 and preset information storage means 320.

(1-1-1-1) Basic Setting Storage Unit The basic setting storage unit 310 stores design rule data related to design rules in log house design. This design rule data
-Arrangement of each member and configuration by the later-described member arrangement means 225-Intermediate structure calculation by the later-described intermediate structure calculation means 230-Arrangement of the binding material by the later-described binding material arrangement determination means 235-By the later-described joint arrangement means 240 Placement of joints ・ Creation of design data by design data creation means 245 described later ・ Final structure calculation by final structure calculation means 250 to be described later Referenced by each means.

  In addition to this, the basic setting storage unit 310 stores determination rule data related to a determination rule that is referred to when final structural calculation is determined by a structural calculation result determination unit 255 described later. The basic setting storage unit 310 further stores drawing rule data related to a drawing rule that is referred to when a design data output unit 270 described later draws a design drawing based on the design data.

(1-1-1-2) Preset Information Storage Unit The preset information storage unit 320 stores a plurality of sets of preset information referred to by preset information reference unit 215 described later. The preset information refers to information that is set in advance as specified in the individual design information that is referred to by the individual design information reference means 210 described later. Details of the preset information will be described later.

(1-1-2) CPU
The CPU 200 that controls the operation of the computer functions as the following means by appropriately executing the log house design support program.

(1-1-2-1) Individual design information reference means The individual design information reference means 210 is input by an appropriate input means 500 such as a keyboard, or is stored in an internal or external storage device. Refer to “Design Information”. The individual design information referred to here is specifically as follows.

(1-1-2-1-1) Log Part Related Information The log part related information is information about a part formed by stacking log materials in a log house. Specifically, the planar outline, the opening position, the number of steps of the log material (the number of log steps), and information on the cross-sectional shape of the log material (log cross-section information) are listed as essential information. Other optional information includes log type, log length, electrical hole position, dormer position, deck position and shape, pouch position and shape, roof position and shape, blowout position, stair position and shape, soil position and shape , Equipment position and shape, feature position and shape, log through hole position and shape, and the like.

(1-1-2-1-2) Structural member information The structural member information is arbitrary information of members related to the structure among the parts constituted by parts other than the log material in the log house. This information will affect the structure of the first floor made of log material. Specifically, information on foundations, columns, bundles, beams, horizontal members other than beams, rafters, joists, plywood, and the like can be given.

(1-1-2-1-3) Peripheral information Peripheral information is not information related to the log house itself, but is arbitrary information that is a condition for designing the log house. Specifically, the amount of snow in the area to which the site where the log house is constructed belongs, the required earthquake resistance grade, the standard wind speed, the earth strength, and the like can be mentioned.

  Each of the above information may be appropriately input by an input means 500 such as a keyboard, or may be stored as preset information described later. A total of these is referred to as individual design information by the individual design information reference means 210, and is used for a specific log house design. The referenced data is temporarily stored in the RAM 400 until it is used for subsequent processing. In addition, about said arbitrary information, what is required for every design is referred, and not all are necessarily referred.

(1-1-2-2) Preset information reference means Preset information reference means 215 includes preset information storage means 320 for storing a plurality of preset information composed of a plurality of predetermined unit information as individual design information. Means to refer to one. The preset information referred to here is information selected by the user from among a plurality using appropriate input means. The referenced data is temporarily stored in the RAM 400 until it is used for subsequent processing.

  Here, the preset information storage unit 320 is configured as a part of the nonvolatile storage device 300 that stores a plurality of preset information. Specifically, as shown in FIG. 2, a plurality of sets of preset information (one set of log part related information, structural member information, and peripheral information referred to in the section (1-1-2-1) ( In the figure, N sets are stored, where N is an integer of 2 or more. In addition, about the arbitrary information mentioned by said (1-1-2-1), not all are always contained in each preset information.

(1-1-2-3) Replacement information reference means The replacement information reference means 220 is not the arbitrary unit information of any unit information constituting the preset information referred to above. This is a means for referring to information input by the user using appropriate input means 500 or information input in advance (replacement information) as new unit information. When the replacement information is referred to by the replacement information reference unit 220, the combination of the unit information that has not been replaced and the replacement information among the preset information referred to by the preset information reference unit 215 is individually used as new individual design information. Referenced by the design information reference means 210. The referenced data is temporarily stored in the RAM 400 until it is used for subsequent processing.

(1-1-2-4) Member Arranging Unit The member arranging unit 225 is a unit that appropriately arranges each member and configuration constituting the log house prior to determining the arrangement of the binding material. This arrangement is performed by the following procedure, for example.

(1-1-2-4-1) Arrangement of log wall In the individual design information, the log material of the outer wall is arranged according to the planar outline, and the log material of the partition wall is also arranged, if any.

(1-1-2-4-2) Determination of roofing The main roofing direction is determined according to the individual design information on the roof, the presence and location of the dormer, the presence or absence of a folded roof, the presence or absence of a porch roof, the roof slope. Establish the eave size, eave size, etc.

(1-1-2-4-3) Determination of shed back floor range According to the individual design information regarding the shed back floor portion, the blowout position and the position and shape of the stairs are determined.

(1-1-2-4-4) Determination of partition wall The position of the partition wall that is not the log wall is determined according to the individual design information related to the partition wall.

(1-1-2-4-5) Confirmation of each opening According to the individual design information regarding the opening position, the log wall opening type, size and position, internal fitting type, size and position, and skylight type, size and Determine the position.

(1-1-2-4-6) Arrangement of structural materials According to the structural member information in the individual design information, the presence and position of purlins, the arrangement of purlins, the presence and arrangement of musa, the arrangement of shed bundles, the arrangement of rafters, The arrangement of the floor beams, the arrangement of the first floor columns, and the arrangement of the joints of these members are determined.

(1-1-2-5) Intermediate structure calculation means The intermediate structure calculation means 230 is based on the arrangement of each member by the member arrangement means 225 and follows the design rules, for example, the intermediate structure of the log house main body from the following viewpoints. Perform structural calculations.
・ Calculate the number of effective dowels required for each log wall (referred to as effective dowels for structural calculation) ・ Determine the horizontal surface specification ・ Determine cross-section and pitch of structural members ・ Verify dormer ・ Verify buckling of log wall・ Verification of beam receiving materials ・ Verification of wife wall

(1-1-2-6) Binder Arrangement Determination Unit The binding material arrangement determination unit 235 receives the structural verification by the intermediate structure calculation unit 230 and determines the arrangement of the binding materials, that is, through bolts and dowels according to the design rules. To do. Specifically, for example, the following procedure is performed.
(A) A through bolt is arranged based on the planar outer shape.
(B) For each log wall, the required number of dowels calculated by the intermediate structure calculating means are arranged. This arrangement is performed by the following algorithm according to the design rule.
(B-1) Preferentially placed near the intersection of logs and at the edge of the blind wall.
(B-2) When the distance between the dowels after the above arrangement exceeds 2 m in the wall having the intersection and the blind wall, it is arranged in the middle part thereof.
(B-3) When the distance between the dowels over the opening exceeds 2 m, dowels are also arranged on the log located above the opening. This dowel is an “invalid dowel” that is not valid in the structural calculation.
(B-4) Confirm that the dowels arranged above are not in positions that interfere with structural members, electrical holes, log through holes, and the like. If there is a problem, place it again within the range allowed by the design rules.
(C) A reinforcing lag screw is arranged as necessary.

(1-1-2-7) Joint Arranging Means The joint arranging means 240 is a log material type according to the design rule based on the positions of through bolts and dowels arranged by the binding material arrangement determining means 235 and the position of the blowout. Place log joints so that they are less than the maximum permissible length. At this time, the log joints are distributed and arranged so that the number of log joints does not increase too much so as not to concentrate on the same plane position as much as possible.

(1-1-2-8) Design Data Creation Unit The design data creation unit 245 refers to a unit that converts each member arrangement by each of the above units and the arrangement of the binding material and the log joint into data as design data. This design data is used for final structure calculation by the following final structure calculation means 250 and visualized by design data output means described later.

(1-1-2-9) Final structure calculation means The final structure calculation means 250 is based on the arrangement of each member by the member arrangement means 225 and the arrangement of the binding material by the binding material arrangement determination means 235 according to the design rule. The final structural calculation of the log house body is performed again from the following viewpoint.
・ Definition of horizontal surface specifications ・ Cross-section of structural members ・ Pitch confirmation ・ Dorm verification ・ Verification of log wall buckling ・ Verification of beam support ・ Verification of wife wall

  Here, the above structural verification is the same as that performed by the intermediate structure calculating unit 230 described in (1-1-2-5), but the arrangement of the binding material is calculated by the intermediate structure calculating unit 230. Since it may not match the required number of effective dowels, it will be performed again.

(1-1-2-10) Structural Calculation Result Judgment Unit The structural calculation result judgment unit 255 determines whether or not the final structure calculation result by the final structure calculation unit 250 is acceptable by referring to the judgment rule data.

(1-1-2-11) Binder Arrangement Changing Unit The binding material arrangement changing unit 260 changes the arrangement of the binder when the determination by the structural calculation result determination unit 255 is “No”. This change in arrangement is actually performed by the same algorithm as the binding material arrangement determining means 235, except that the arrangement is different from the previous arrangement.

(1-1-2-12) Information Accumulating Unit The information accumulating unit 265 stores the preset information as new preset information by using individual design information as a basis of the design data provided for the final structural calculation. The data is stored in the means 320 and accumulated. At this time, not only the individual design information when the final structural calculation is “permitted”, but also the individual design information when “No” may be stored.

(1-1-2-13) Design Data Output Unit The design data output unit 270 visualizes the design data as a design drawing according to the drawing rule, and outputs it to the output unit such as the display 600 or the printer 700.

(1-2) Design Process The outline of the design process by the log house design support system according to the present embodiment will be described below with reference to the flowcharts of FIGS.

  First, in the stage shown in S10 of FIG. 3, the individual design information is referred to. Specifically, in the stage shown in S11 of FIG. 4, the individual design information reference unit 210 causes the user to select whether or not to refer to the preset information. When selecting the preset information, the process proceeds to the step shown in S12, and the preset information reference unit 215 causes the user to select the preset information, and refers to the selected preset information. Next, in the step shown in S13, the replacement information reference means 220 causes the user to select whether or not to refer to the replacement information, and when referring to it, the replacement information is continuously input in the step shown in S14. Then, the individual design information reference means 210 temporarily stores in the RAM 400 the individual design information obtained by replacing this with the corresponding unit information at the stage shown in S15. On the other hand, if the replacement information is not referred to in step S13, the process proceeds to step S15, and the individual design information reference unit 210 temporarily stores the selected preset information in the RAM 400 as individual design information as it is. If preset information is not selected in the step shown in S11, the process proceeds to a step shown in S16, and the individual design information input by the user (or previously input to an appropriate storage device) is temporarily stored in the RAM 400. Remember me. And it progresses to the step shown to S20 of FIG.

  In the stage shown in S20, based on the individual design information referred to in S10, the member placement unit 225 places each member as described in (1-1-2-4). And it progresses to the step shown to S30.

  In the stage shown in S30, based on the arrangement of each member in S20, the intermediate structure calculation means 230 performs an intermediate structure calculation as described in (1-1-2-5). And it progresses to the step shown to S40.

  In the stage shown in S40, based on the intermediate structural calculation in S30, the binding material arrangement determining means 235 arranges the binding material as described in (1-1-2-6). And it progresses to the step shown to S50.

  In the stage shown in S50, the joint placement means 240 places the log joint as described in (1-1-2-7) based on the placement of the binding material in S40. And it progresses to the step shown to S60.

  In the stage shown in S60, the design data creating means 245 determines the design data as described in (1-1-2-8) based on the arrangement of each member, the arrangement of the binding material, and the arrangement of the log joint. Create And it progresses to the step shown to S70.

  In the stage shown in S70, the final structure calculation means 250 performs the final structure calculation on the design data created in S60 as described in (1-1-2-9). Then, the process proceeds to the stage shown in S80.

  In the stage shown in S80, the structural calculation result determination means determines whether or not the structural calculation result is acceptable as described in (1-1-2-10) for the final structural calculation in S70.

  If the determination in S80 is “OK”, the process proceeds to S90, where the individual design information that is the basis of the design data is stored. Specifically, in S91 of FIG. 5, the information storage unit 265 causes the user to select whether or not to store the individual design information. In the case of accumulation, the individual design information is stored as new preset information (“preset information N + 1”) in the preset information storage means 320 as shown in FIG. Then, the process proceeds to the step shown in S100 of FIG.

  In the stage shown in S100 of FIG. 3, the design data output means 270 for the design data is appropriately output as a design drawing (display 600, printer 700) as described in (1-1-2-13). Etc.).

  On the other hand, when the determination in S80 is “No”, the process proceeds to S110, where the individual design information that is the basis of the design data is stored. Specifically, in S91 of FIG. 5, the information storage unit 265 causes the user to select whether or not to store the individual design information. In the case of accumulation, the individual design information is stored as new preset information (“preset information N + 1”) in the preset information storage means 320 as shown in FIG. Then, in the case of accumulating or not accumulating, the process proceeds to the step shown in S120 of FIG.

  In the stage shown in S120 of FIG. 3, the binding material arrangement changing means 260 changes the arrangement of the binding material as described in (1-1-2-11). Thereafter, design data reflecting the change in the arrangement of the binder is created again at the stage shown in S60, and this design data is again used for the final structural calculation at the stage shown in S70.

  FIG. 7 is an example of the log house 1 designed by the log house design support system 100 of the present embodiment. The log house 1 is composed of a first floor portion having a log wall 10 in which a plurality of stages of log materials 11 are laminated, a hut back portion 70 thereon, and a roof covering the top. The four corners of the log wall 10 are intersecting portions 12 in which the log materials 11 are crossed like a cross. The log wall 10 in the figure is provided with two openings 60. In the log wall 10, the entire portion of the log material 11 is fastened in the vicinity of the intersecting portion 12 with a through bolt 52 as a binding material 50. In addition, all the steps of the log material 11 are also fastened at both ends of the blind wall 15 which is a region sandwiched between the two openings 60 of the log wall 10 by the through bolts 52 as the fastening material 50. Yes. Furthermore, two log members 11 adjacent in the vertical direction are fastened with dowels 51 as the fastening materials 50 at seven places in the drawing (three places on the blind wall 15). In addition, as shown in the figure, the dowels 51 at one location are provided so that the nearest vertical positions are staggered (staggered). In addition, the log material 11 is connected by a log joint 13 at an appropriate log material length.

(2) Second Embodiment A log house design support system 100 according to a second embodiment of the present invention has a schematic configuration as shown in the block diagram of FIG. The difference from the first embodiment is that the intermediate structure calculation is not performed and only the final structure calculation means based on the arrangement of the binder is performed. That is, the binding material arrangement determining means 235 determines the arrangement of the binding material based only on the individual design information and the design rule.

  Then, the outline of the design processing by the log house design support system according to the present embodiment is as shown in the flowchart of FIG. 9, following the arrangement of each member by the member arrangement means 225 shown in S20, the binding material arrangement shown in S40 Arrangement of the binding material by the determining means 235 is to be performed. The log joint placement (S50) and the design data creation (S60) and subsequent processing subsequent to the placement of the binding material are the same as those in the first embodiment of the war record.

(3) Other Embodiments In each of the above embodiments, the case where both a dowel and a through bolt are used as the binding material is described. However, in other embodiments, the dowel is used as the binding material. It is also possible to use only or through bolts. In this case, the outline of the design process by the log house design support system is substantially the same as that of each of the above embodiments, but is slightly different in the following points.

(3-1) When only dowels are used as the binding material (3-1-1) Binding material arrangement determining means In this case, the binding material arrangement determining means 235 mentioned in (1-1-2-6) is In response to the structural verification by the intermediate structure calculating means 230, the arrangement of the binding material, that is, the dowel is determined according to the design rule. Specifically, for example, the following procedure is performed.
(A) The required number of dowels calculated by the intermediate structure calculating means is arranged for each log wall based on the planar outer shape. This arrangement is performed by the following algorithm according to the design rule.
(A-1) Preferentially placed near the intersection of logs and at the edge of the blind wall.
(A-2) When the distance between the dowels after the above arrangement exceeds 2 m in the wall having a crossing portion and the blind wall, it is arranged in an intermediate portion thereof.
(A-3) When the distance between the dowels over the opening exceeds 2 m, dowels are also arranged on the log located above the opening. This dowel is an “invalid dowel” that is not valid in the structural calculation.
(A-4) Confirm that the dowels arranged above are not in positions that interfere with structural members, electrical holes, log through holes, and the like. If there is a problem, place it again within the range allowed by the design rules.
(B) A reinforcing lag screw is arranged as necessary.

(3-1-2) Joint placement means And the joint placement means 240 mentioned in (1-1-2-7) is the position of the dowel placed by the binding material placement determination means 235, and the position of the blowout. Based on the above, according to the design rules, the log joints are arranged so as to be less than the maximum allowable length for each log material type. At this time, the log joints are distributed and arranged so that the number of log joints does not increase too much so as not to concentrate on the same plane position as much as possible.

(3-2) When only through bolts are used as the binding material (3-2-1) Intermediate structure calculation means In this case, the intermediate structure calculation means 230 referred to in (1-1-2-5) Based on the arrangement of each member by the member arrangement means 225, an intermediate structural calculation of the log house main body is performed from the following viewpoint, for example, according to the design rule.
・ Calculation of necessary effective through-bolts for each log wall (referred to as effective through-bolts for structural calculation) ・ Definition of horizontal surface specifications ・ Structure member cross-section ・ Pitch confirmation ・ Domer verification ・ Log wall buckling Verification ・ Verification of beams received ・ Verification of wife wall

(3-2-2) Binder Arrangement Determining Means The binder arrangement determining means 235 mentioned in (1-1-2-6) is subjected to structural verification by the intermediate structure calculating means 230, and follows the design rules. The arrangement of the binding material, that is, the through bolt is determined. Specifically, for example, the following procedure is performed.
(A) A necessary number of through bolts calculated by the intermediate structure calculating means are arranged for each log wall based on the planar outer shape. This arrangement is performed by the following algorithm according to the design rule.
(A-1) Preferentially placed near the intersection of logs and at the edge of the blind wall.
(A-2) When the distance between the through bolts after the above arrangement exceeds 2 m in the wall having a crossing portion and the blind wall, it is arranged in an intermediate portion thereof.
(A-3) It is confirmed that the through bolts arranged above are not in positions that interfere with structural members, electrical holes, log through holes, and the like. If there is a problem, place it again within the range allowed by the design rules.
(B) A reinforcing lag screw is arranged as necessary.

(3-2-3) Joint Arranging Means The joint arranging means 240 mentioned in (1-1-2-7) is arranged at the position of the through bolt arranged by the binding material arrangement determining means 235 and the position of the blowout. Based on the design rules, log joints are arranged so as to be less than the maximum allowable length for each log material type. At this time, the log joints are distributed and arranged so that the number of log joints does not increase too much so as not to concentrate on the same plane position as much as possible.

(3-2-4) Design data creation means The design data creation means 245 mentioned in the above (1-1-2-8) uses the arrangement of each member and the arrangement of the binding material and the log joint as the design data. Convert to data. This design data is used for final structure calculation by the following final structure calculation means 250 and visualized by design data output means described later.

(3-2-5) Final structure calculation means The final structure calculation means 250 mentioned in (1-1-2-9) is based on the arrangement of the members by the member arrangement means 225 and the binding material arrangement determination means 235. Based on the arrangement of the binder, the final structural calculation of the log house main body is performed again from the following viewpoint according to the design rules.
・ Definition of horizontal surface specifications ・ Cross-section of structural members ・ Pitch confirmation ・ Dorm verification ・ Verification of log wall buckling ・ Verification of beam support ・ Verification of wife wall

  Here, the above structural verification is the same as that performed by the intermediate structure calculating unit 230 described in (3-2-1) above, but the arrangement of the binding material needs to be calculated by the intermediate structure calculating unit 230. Since there may be a case where the number of effective through bolts does not match, the determination is made again.

  The present invention can be used for designing a log house.

1 log house
10 Log wall 11 Log material 12 Intersection
13 Fitting 15 Intersecting wall
50 Tightening material 51 Dowel 52 Through bolt
60 Opening 70 Back of the shed 80 Rafter position
100 log house design support system
200 CPU
210 Individual design information reference means 215 Preset information reference means
220 Replacement information reference means 225 Member placement means
230 Intermediate structure calculation means 235 Binding material arrangement determination means
240 Joint placement means 245 Design data creation means
250 Final structure calculation means 255 Structure calculation result judgment means
260 Tightening material arrangement changing means 265 Information storage means
270 Design data output means
300 Nonvolatile storage
310 Basic setting storage means 320 Preset information storage means
400 RAM
500 input means (keyboard)
600 Output means (display)
700 Output means (printer)

Claims (8)

A log house design support system for supporting a log house design in which at least an outer wall is formed by stacking log materials,
Basic setting storage means for storing at least design rule data related to design rules in log house design;
For the design of the log house, individual design information reference means for referring to individual design information including at least information on the planar outer shape of the log house, the opening position, the number of steps of the log material and the cross-sectional shape of the log material
Based on the referred individual design information, referring to the design rule data, a binding material arrangement determining means for determining the arrangement of at least one of a dowel and a through bolt that are binding materials for fastening the log material up and down;
Design data creation means for creating design data including the placement of the binding material determined by the binding material placement determination means;
A log house design support system characterized by comprising: An intermediate structure calculation means for performing an intermediate structure calculation based on the referred individual design information;
2. The log house design support system according to claim 1, wherein the binding material arrangement determining means determines the arrangement of the binding material based on the referenced individual design information and the result of the intermediate structure calculation. . Preset information storage means for storing a plurality of preset information composed of a plurality of predetermined unit information as the individual design information;
Preset information reference means for referring to one preset information from the plurality of preset information;
Replacement information reference means for referring to replacement information corresponding to arbitrary unit information of the individual unit information constituting the referenced preset information, and
When referring to the individual design information, the individual design information referring means refers to the individual replacement information for the reference information corresponding to any of the unit information of the referenced preset information. 3. The log house design support system according to claim 1, wherein the unit information of the preset information is referred to as the individual design information for the reference information as the design information and the corresponding replacement information is not referred to. The basic setting storage means further stores determination rule data relating to a determination rule for determining whether or not the result of the log house structure calculation is possible,
Final structure calculation means for performing a final structure calculation based on the design data including the determined binding material arrangement;
Referring to the determination rule data, a structure calculation result determination means for determining whether the result of the final structure calculation is possible;
The log house design support system according to claim 1, further comprising: The basic setting storage means further stores determination rule data relating to a determination rule for determining whether or not the result of the log house structure calculation is possible,
Final structure calculation means for performing a final structure calculation based on the design data including the determined binding material arrangement;
Referring to the determination rule data, a structure calculation result determination means for determining whether the result of the final structure calculation is possible;
The log house design support system according to claim 3, further comprising:   An information storage means for storing, in the preset information storage means, the individual design information referred to for the structure calculation as new preset information when the determination of the result of the final structure calculation is “OK”; The log house design support system according to claim 5, further comprising: When the determination of the result of the final structure calculation is `` No '', further comprising a binding material arrangement changing means for changing the arrangement of the binding material,
The log house design support system according to claim 4, 5 or 6, wherein the design data creation means creates design data including an arrangement of the changed binding material. Computer
Basic setting storage means for storing at least design rule data relating to design rules in log house design,
For the design of the log house, individual design information reference means for referring to individual design information including at least information on the planar outer shape of the log house, the opening position, the number of steps of the log material and the cross-sectional shape of the log material
Based on the referred individual design information, referring to the design rule data, a binding material arrangement determining means for determining an arrangement of at least one of a dowel and a through bolt which are binding materials for fastening the log material up and down, and ,
By functioning as design data creation means for creating design data including the placement of the binding material determined by the binding material placement determination means,
A log house design support program for causing the computer to function as a log house design support system that supports the design of a log house in which at least an outer wall is formed by stacking log materials.