JP2016166481A - Log house - Google Patents
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- JP2016166481A JP2016166481A JP2015046777A JP2015046777A JP2016166481A JP 2016166481 A JP2016166481 A JP 2016166481A JP 2015046777 A JP2015046777 A JP 2015046777A JP 2015046777 A JP2015046777 A JP 2015046777A JP 2016166481 A JP2016166481 A JP 2016166481A
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- 238000010276 construction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000010030 laminating Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002648 laminated material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
Description
本発明は、設計の自由度を向上させたログハウスに関する。 The present invention relates to a log house with improved design freedom.
ログハウスとは、丸太、製材その他これに類する木材（以下「ログ材」とする）を水平に積み上げる丸太組構法によって、ログハウスの壁（以下「ログ壁」とする）を構築し、上部に屋根を設けた建造物である。
近年の法改正により、二階建てのログハウスや、準防火地域でのログハウスの建築が可能となり、ログハウスの施主の要望も多種多様となっている。
しかし、ログハウスは構造上、壁全体が柱の役割も果たしているため、大きな窓を設ける際などに、設計上制限が生じる。
また、小屋部分等の精密な加工が必要な部位については、仮組みをした後に、再度ログ材単体となるように分解し、再度ログ壁の上部に積み上げる等の工程が必要で、工期が長くなることが多かった。そこで、工期を短縮するため、屋切りパネルで形成された切妻屋根を事前に作成した後にログ壁に取り付ける特許文献１等のログハウスが提供されている。
A log house is a log house wall (hereinafter referred to as a “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. It is a building with a roof.
Recent revisions to the law have made it possible to build a two-story log house or a log house in a semi-fire-proof area.
However, due to the structure of the log house, the entire wall also plays the role of a pillar, so there are design limitations when providing large windows.
In addition, for parts that require precise processing, such as sheds, it is necessary to perform a process such as temporarily assembling and then disassembling the log material again and stacking it on the top of the log wall again. It was often. Therefore, in order to shorten the construction period, a log house such as Patent Document 1 that is attached to a log wall after a gable roof formed by a house-cut panel is prepared in advance is provided.
前述のように、ログハウスを建てる際には、設計上の制限や、工期の長期化といった問題が生じる。
そこで、本発明においては、設計の自由度を上げながらも、工期の長期化を防ぐことのできるログハウスの提供を課題とする。
As described above, when building a log house, there are problems such as design limitations and a longer construction period.
Therefore, an object of the present invention is to provide a log house that can prevent the construction period from being prolonged while increasing the degree of freedom of design.
（第1の発明）
本願における第１の発明は、
断面が非長方形のログ材24を水平方向に積層して一階部分2のログ壁23を構成するログハウス1において、
前記ログ壁23の上端に、断面が長方形の部材を用いて梁32及び桁31を設置したことを特徴とする。
ここで、桁31とは、屋根の棟木51に対して平行に設けられた部材であり、梁32とは、桁31と交わる水平部材とする。また、梁32及び桁31として用いる部材としては、断面が長方形の部材であれば制限はないが、梁32、桁31及びログ材24等を連結するにあたって、構造計算を容易にするために、日本工業標準調査会（ＪＩＳ）又は一般社団法人日本農林規格協会（ＪＡＳ協会）等の規格品が望ましい。
(First invention)
The first invention in this application is:
In the log house 1 in which the log wall 24 of the first floor portion 2 is constructed by laminating the log materials 24 having a non-rectangular cross section in the horizontal direction,
A beam 32 and a girder 31 are installed at the upper end of the log wall 23 using a member having a rectangular cross section.
Here, the girder 31 is a member provided in parallel to the roof purlin 51, and the beam 32 is a horizontal member that intersects the girder 31. In addition, the member used as the beam 32 and the girder 31 is not limited as long as the cross section is a rectangular member, but in order to facilitate the structural calculation in connecting the beam 32, the girder 31, the log member 24, and the like, Standard products such as Japan Industrial Standards Committee (JIS) or Japan Agricultural Standards Association (JAS Association) are desirable.
また、部材の材質は、建物の構造や外観等、総合的に判断して決定するが、無垢材であったとしても、集成材であったとしてもよい。
梁32と桁31との連結方法は、金物を用いても、ほぞ及びほぞ穴による連結方法であってもよく、強度を保つことが出来れば制限はない。また、梁32及び桁31とログ壁23の最上段のログ材24との連結方法についても同様に、強度を保つことが出来れば制限はない。
Further, the material of the member is determined by comprehensively judging the structure and appearance of the building, but it may be a solid material or a laminated material.
The connection method between the beam 32 and the girder 31 may be a hardware method or a connection method using a tenon and a mortise, and is not limited as long as the strength can be maintained. Similarly, the connection method of the beams 32 and girders 31 and the uppermost log member 24 of the log wall 23 is not limited as long as the strength can be maintained.
（第２の発明）
本願における第２の発明は、第１の発明に加え、前記梁32及び桁31の成が前記ログ材24の成より大きいことを特徴とする。
部材の曲げ剛性は成の二乗に比例し、２つの部材を積み重ねて一つの部材として見たときの曲げ剛性は、一つずつの部材の曲げ剛性を足し合わせたものである。そのため、２本のログ材24を積み重ねて形成した成と同じ成の部材を梁32や桁31として使用することで、曲げ剛性を向上させることができる。
(Second invention)
In addition to the first invention, the second invention in this application is characterized in that the formation of the beam 32 and the girder 31 is larger than the formation of the log member 24.
The bending rigidity of the member is proportional to the square of the composition, and the bending rigidity when the two members are stacked and viewed as one member is the sum of the bending rigidity of each member. Therefore, the bending rigidity can be improved by using the same members as the beams 32 and girders 31 formed by stacking the two log members 24.
（第３の発明）
本願における第３の発明は、第１の発明又は第２の発明に加え、前記梁32及び桁31の上に二階部分4を軸組工法で形成するとともに、該梁32と桁31を基にして二階の床を形成したことを特徴とする。
(Third invention)
In addition to the first invention or the second invention, the third invention in the present application forms the second floor portion 4 on the beam 32 and the girder 31 by the shaft assembly method, and based on the beam 32 and the girder 31. The second floor is formed.
（第４の発明）
本願における第４の発明は、第１の発明又は第２の発明に加え、前記梁32及び桁31の上に小屋部分5を軸組工法で形成したことを特徴とする。
ここで、小屋部分5の造りは和風小屋組であっても洋風小屋組であっても梁32と桁31の上に設けることの出来る小屋組であれば制限はない。また、屋根の形状についても特に制限はない。
(Fourth invention)
According to a fourth invention of the present application, in addition to the first invention or the second invention, a hut portion 5 is formed on the beam 32 and the girder 31 by a shaft assembling method.
Here, the structure of the hut portion 5 is not limited as long as it is a hut that can be provided on the beam 32 and the girder 31 regardless of whether it is a Japanese-style hut or a Western-style hut. Moreover, there is no restriction | limiting in particular also about the shape of a roof.
長方形の部材を使用することで、ログ材のような非長方形の部材よりも多くの金物を使用できることになり、１階よりも上の部分の設計に自由度が増す。特に、梁及び桁に使用する部材として、規格品を用いることで、規格品の金物を用いることができ、複雑な構造計算が容易になる。更に、このような構成にすることによって、熟練度の低い設計者であっても構造的に問題のない建物を比較的簡便に設計することができる。また、金物を用いることで、プレカットができ、現場での加工作業が不要になるため、工期の短縮が可能となる。
また、曲げ剛性を向上できるため、１階に開口部を設けた際に、開口部の上から梁までを複数本のログ材で支えるよりも、１本のログ材の成よりも高い本発明における部材を用いて支える方が、開口部の上から梁までの全長を短くすることができる。そのため、開口部を広くとることが可能となり、設計の自由度が増す。曲げ剛性が向上するということは、壁面の面積あたりの強度が増すということでもあるので、開口部を横方向に広くとることも可能となる。
By using a rectangular member, more hardware can be used than a non-rectangular member such as a log member, and the degree of freedom in designing the portion above the first floor is increased. In particular, by using standard products as members used for beams and girders, standard hardware can be used, and complex structural calculations are facilitated. Further, by adopting such a configuration, a building having no structural problem can be designed relatively easily even by a designer with a low level of skill. In addition, by using hardware, pre-cutting can be performed, and processing work on site is not necessary, so that the construction period can be shortened.
Further, since the bending rigidity can be improved, when an opening is provided on the first floor, the present invention is higher than the formation of one log material, rather than supporting from the top of the opening to the beam with a plurality of log materials. The support using the member in can shorten the total length from the top of the opening to the beam. Therefore, it is possible to make a wide opening, and the degree of freedom in design increases. The improvement in bending rigidity also means that the strength per area of the wall surface increases, so that the opening can be widened in the lateral direction.
（第１の実施の形態）
図１に示すように、本実施の形態に係るログハウス1は、丸太組構法で建築された一階部分2と、一階部分2の上に設けられた一階の天井かつ二階の床となる床天井部3と、床天井部3の上に設けられた軸組構法で建築された二階部分4と、二階部分4を覆うように設けられた小屋部分5とからなる、二階建ての木造混構造住宅である。ここで、丸太組構法とは、ログ材24を水平に積み上げることにより壁を設ける工法をいい（ログハウス告示基準（国土交通省告示台百四十一号））、軸組構法とは柱41や梁32などの線状の部材で構成する工法をいう。
また、本実施形態において、水平かつ屋根の棟木51と平行な方向を横方向とし、水平かつ屋根の棟木51と垂直な部材を縦方向とする。
(First embodiment)
As shown in FIG. 1, the log house 1 according to the present embodiment includes a first floor portion 2 constructed by a log structure method, a first floor ceiling and a second floor floor provided on the first floor portion 2. A two-story wooden structure comprising a floor-to-ceiling part 3, a second-floor part 4 constructed by a frame construction method provided on the floor-ceiling part 3, and a hut part 5 provided so as to cover the second-floor part 4 It is a mixed structure house. Here, the log construction method refers to a construction method in which a wall is provided by horizontally stacking log materials 24 (log house notification standard (Ministry of Land, Infrastructure, Transport and Tourism Notification No. 441)). Or a construction method composed of linear members such as beams 32.
Further, in the present embodiment, a horizontal direction parallel to the roof purlin 51 is defined as a horizontal direction, and a horizontal member perpendicular to the roof purlin 51 is defined as a vertical direction.
（一階部分2）
一階部分2は、地面に打設された基礎21と、基礎21の上に載設され基礎21に対して図示しないアンカーボルトで固定された土台22と、土台22の上に構築されたログ材24からなるログ壁23とからなる。ログ壁23の最上段に設けられたログ材24が床天井部3と連結される。
ログ壁23は平行にログ材24を組む、平行面25と、直角にログ材24を交差させて組む交差部26と、交差部26からログ材24の小口側端部までのノッチエンド部27とからなる。
(1st floor part 2)
The first floor portion 2 includes a base 21 placed on the ground, a base 22 mounted on the base 21 and fixed to the base 21 with anchor bolts (not shown), and a log constructed on the base 22 It consists of a log wall 23 made of a material 24. A log member 24 provided at the uppermost stage of the log wall 23 is connected to the floor ceiling 3.
The log wall 23 is composed of parallel log members 24, a parallel surface 25, an intersecting portion 26 formed by intersecting the log members 24 at right angles, and a notch end portion 27 from the intersecting portion 26 to the end of the log member 24 on the small edge side. It consists of.
（床天井部3）
図２に示すように、床天井部3は、ログ壁23の最上段に設けられたログ材24の上面に設けられており、横方向に積み上げられた１本の桁31と、縦方向に積み上げられた１本の梁32と、梁32に設けられた溝に嵌められた根太33と、梁32、桁31及び根太33の上面に設けられた床板34とからなる。
床天井部3とログ壁23とを連結させるため、ログ壁23の交差部26の上部に位置する床天井部3の上面から、交差部26まで、ボルト35が通されている。
(Floor ceiling part 3)
As shown in FIG. 2, the floor-to-ceiling part 3 is provided on the upper surface of the log member 24 provided at the uppermost stage of the log wall 23, and has one girder 31 stacked in the horizontal direction and the vertical direction. It consists of one beam 32 stacked, a joist 33 fitted in a groove provided in the beam 32, and a floor plate 34 provided on the upper surface of the beam 32, girders 31 and joists 33.
In order to connect the floor ceiling part 3 and the log wall 23, bolts 35 are passed from the upper surface of the floor ceiling part 3 located at the upper part of the intersection part 26 of the log wall 23 to the intersection part 26.
ここで、梁32と桁31とは断面形状が同じ長方形の木材からなり、成はログ材24のそれよりも高い。桁31は、ノッチエンド部27までの長さを有しており、梁32はノッチエンド部27の手前までの長さを有しており、桁31の先端部分の側面と、梁32の端面とが密着する。ここで、前述の梁32と桁31とが密着する面を、図示しない接合面とする。桁31の接合面には、梁受け金物36が設けられており、梁32の接合面には、梁受け金物36が挿入されるように図示しない溝が設けられている。梁受け金物36と溝とを嵌合させ、梁受け金物36と梁32とが離れないように、梁32の側面から、梁受け金物36に達するようにネジで止める。 Here, the beam 32 and the girder 31 are made of rectangular wood having the same cross-sectional shape, and the composition is higher than that of the log material 24. The girder 31 has a length up to the notch end portion 27, the beam 32 has a length up to the front of the notch end portion 27, the side surface of the tip portion of the girder 31, and the end surface of the beam 32. And adhere closely. Here, the surface where the beam 32 and the girder 31 are in close contact with each other is defined as a joint surface (not shown). A beam receiver 36 is provided on the joint surface of the beam 31, and a groove (not shown) is provided on the joint surface of the beam 32 so that the beam receiver 36 is inserted. The beam receiver 36 and the groove are fitted, and the beam receiver 36 and the beam 32 are screwed from the side surface of the beam 32 so as to reach the beam receiver 36 so that the beam receiver 36 and the beam 32 are not separated from each other.
（二階部分4）
二階部分4は、軸組構法によって形成されており、柱41と柱41の上端に水平にかけられた二階梁44と、同じく水平にかけられ二階梁44に対して垂直に設けられた二階桁43と、梁32、桁31、柱41、二階梁44及び二階桁43によって形成された面を構成する壁42とで形成されている。二階部分4を構成する柱41の底面は交差部26の上部に位置する床天井部3の上面に設置されており、図示しない金物で連結されている。
(Second floor part 4)
The second floor portion 4 is formed by a frame construction method.The second floor beam 44 that is hung horizontally on the upper end of the column 41 and the column 41, and the second floor girder 43 that is also hung horizontally and provided perpendicular to the second floor beam 44, , Beams 32, girders 31, columns 41, second-floor beams 44, and walls 42 constituting the surface formed by the second-floor girders 43. The bottom surface of the pillar 41 constituting the second floor portion 4 is installed on the top surface of the floor-to-ceiling part 3 located at the upper part of the intersection 26, and is connected with a hardware not shown.
（小屋部分5）
小屋部分5は、二階部分4の上部に設けられており、和風小屋組となっている。
小屋部分5は、二階桁43の上面に下端部分がかけられた垂木52と、垂木52の上端部分がかかる棟木51と、垂木52及び棟木51の間に平行に設けられた母屋53と、二階梁の上面に垂直に設置され、棟木51及び母屋53を支える梁束54とからなる。
垂木52には、二階桁43と係合するように切り欠きが設けられている。また、梁束54には、二階梁44と連結する面に図示しないほぞが設けられており、二階梁44には、梁束54と連結する面に図示しないほぞ穴が設けられており、ほぞとほぞ穴とを組み合わせることで、二階梁44の上面に梁束54が設けられている。
(Shed part 5)
The hut portion 5 is provided in the upper part of the second-floor portion 4 and is a Japanese-style hut set.
The hut portion 5 includes a rafter 52 with a lower end hung on the upper surface of the second-story girder 43, a purlin 51 with the upper end of the rafter 52, a purlin 53 provided in parallel between the rafter 52 and the purlin 51, and the second floor It is installed vertically on the upper surface of the beam, and consists of a beam bundle 54 that supports the purlin 51 and the purlin 53.
The rafter 52 is provided with a notch so as to engage with the second-story beam 43. The beam bundle 54 is provided with a mortise (not shown) on the surface connected to the second floor beam 44, and the second floor beam 44 is provided with a mortise (not shown) on the surface connected to the beam bundle 54. The beam bundle 54 is provided on the upper surface of the second floor beam 44 by combining the mortise and the mortise.
（第２の実施形態）
図３は第２の実施形態を表しており、二階部分4を小屋部分5とした以外は第１の実施形態と同じ構成とした。
第２の実施形態においては、前述の桁31の上面に屋根の垂木52がかけられており、前述の梁32の上面に小屋部分5の梁束54に対して垂直に設置されている。
(Second Embodiment)
FIG. 3 shows the second embodiment, which has the same configuration as that of the first embodiment except that the second floor portion 4 is a hut portion 5.
In the second embodiment, a roof rafter 52 is hung on the upper surface of the above-mentioned beam 31, and is installed on the upper surface of the above-mentioned beam 32 so as to be perpendicular to the beam bundle 54 of the cabin portion 5.
1 ログハウス 2 一階部分
3 床天井部 4 二階部分
5 小屋部分 21 基礎
22 土台 23 ログ壁
24 ログ材 25 平行面
26 交差部 27 ノッチエンド部
31 桁 32 梁
33 根太 34 床板
35 ボルト 36 梁受け金物
41 柱 42 壁
43 二階桁 44 二階梁
51 棟木 52 垂木
53 母屋 54 梁束
1 Log house 2 1st floor
3 Floor ceiling 4 Second floor
5 Hut part 21 Basic
22 foundation 23 log wall
24 Log material 25 Parallel plane
26 Intersection 27 Notch end
31 digits 32 beams
33 joist 34 floor board
35 bolts 36 beam support
41 pillar 42 wall
43 2nd floor girder 44 2nd floor beam
51 Purlin 52 Rafter
53 Purlin 54
Claims (4)
前記ログ壁の上端に、断面が長方形の部材を用いて梁及び桁を設置したことを特徴とするログハウス。 A log house in which the log walls of the first floor are constructed by laminating log materials with non-rectangular cross sections in the horizontal direction,
A log house characterized in that a beam and a girder are installed at the upper end of the log wall using a member having a rectangular cross section.
The log house according to claim 1 or 2, wherein a hut portion is formed on the beams and girders by a frame construction method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015046777A JP6163508B2 (en) | 2015-03-10 | 2015-03-10 | Log house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015046777A JP6163508B2 (en) | 2015-03-10 | 2015-03-10 | Log house |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016166481A true JP2016166481A (en) | 2016-09-15 |
| JP2016166481A5 JP2016166481A5 (en) | 2016-12-28 |
| JP6163508B2 JP6163508B2 (en) | 2017-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015046777A Active JP6163508B2 (en) | 2015-03-10 | 2015-03-10 | Log house |
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| Country | Link |
|---|---|
| JP (1) | JP6163508B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7040849B2 (en) | 2017-09-15 | 2022-03-23 | 株式会社Ｓｃｒｅｅｎホールディングス | Board processing device, board processing method and control method of board processing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61179945A (en) * | 1985-02-01 | 1986-08-12 | 兵藤 重郎 | Prefabricated house |
| JP2008095344A (en) * | 2006-10-10 | 2008-04-24 | Kinugasa:Kk | Wall framing structure |
| JP2011132693A (en) * | 2009-12-22 | 2011-07-07 | R C Koa:Kk | Log house |
-
2015
- 2015-03-10 JP JP2015046777A patent/JP6163508B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61179945A (en) * | 1985-02-01 | 1986-08-12 | 兵藤 重郎 | Prefabricated house |
| JP2008095344A (en) * | 2006-10-10 | 2008-04-24 | Kinugasa:Kk | Wall framing structure |
| JP2011132693A (en) * | 2009-12-22 | 2011-07-07 | R C Koa:Kk | Log house |
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| Publication number | Publication date |
|---|---|
| JP6163508B2 (en) | 2017-07-12 |
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