JP5546401B2 - Floor structure for upper floors of wooden houses - Google Patents
Floor structure for upper floors of wooden houses Download PDFInfo
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- JP5546401B2 JP5546401B2 JP2010208966A JP2010208966A JP5546401B2 JP 5546401 B2 JP5546401 B2 JP 5546401B2 JP 2010208966 A JP2010208966 A JP 2010208966A JP 2010208966 A JP2010208966 A JP 2010208966A JP 5546401 B2 JP5546401 B2 JP 5546401B2
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Description
本発明は、木造住宅の２階等の上層階用の床構造の改良に関するものである。 The present invention relates to an improvement in a floor structure for an upper floor such as the second floor of a wooden house.
従来より長年に渡り、木造住宅の２階床構造は、胴差と床梁の上に根太を格子状に配設し、その上に床下地合板を接合し、接着材や釘等により固定され、施工されて来た。
その後、良質の根太材等の確保が困難となり、この質の劣化と共に施工上の手間も掛かり、更には床鳴り等の問題も生じて来た。
また、近年の対地震、及び構造上の必要性から、２階の水平構面耐力強化の観点から針葉樹構造用合板（２４ｍｍ厚及び２８ｍｍ厚）の出現があり、この針葉樹構造用合板を床梁等に直接敷設する工法が主流となり、根太を使用する必要がなくなった。
For many years, the two-story floor structure of a wooden house has been arranged in a grid pattern on the trunk difference and floor beam, and a floor base plywood is joined to it and fixed with adhesives, nails, etc. It has been constructed.
After that, it became difficult to secure good quality joists, etc., and with this deterioration of quality, it took time and effort for construction, and problems such as ringing of the floor also occurred.
In addition, due to recent earthquake resistance and structural needs, there has been the emergence of softwood plywood (24 mm thickness and 28 mm thickness) from the viewpoint of strengthening the horizontal structural strength of the second floor. The method of laying directly on the ground has become mainstream, and it is no longer necessary to use joists.
図５は、根太を使用しない上記針葉樹構造用合板を用いた工法による従来の木造住宅２階床構造（以下「根太無し直貼り床構造」という。）の説明図である。
この工法では先ず、胴差６０と床梁６１間及び床梁６１間に受け材６２を配設して、平面視格子状に組み付け、その後に針葉樹構造用合板からなる床パネル６５を敷き詰め、この床パネル６５の周縁部を所定長さ及び太さの釘によって所定ピッチで打ち込み、相互に固定するのである。
FIG. 5 is an explanatory diagram of a conventional wooden house two-story floor structure (hereinafter referred to as “directly attached floor structure without joists”) by a method using the above-mentioned plywood for coniferous structure without using joists.
In this construction method, first, receiving members 62 are arranged between the trunk difference 60 and the floor beam 61 and between the floor beams 61, assembled in a lattice pattern in plan view, and then a floor panel 65 made of softwood structural plywood is spread, The peripheral edge portion of the floor panel 65 is driven at a predetermined pitch with nails having a predetermined length and thickness and fixed to each other.
ここで、受け材６２は、例えば胴差６０に留め金具６３、６３によってその端部が固定され、他方床梁６１とは、床梁６１に切欠を設けて、その端部を嵌合させる方法等々が採用されている。
この受け材６２を胴差６０や床梁６１に固定する方法は自由に選択することができるが、この受け材６２を胴差６０と床梁６１間及び床梁６１間に架設する手間が省略できるとすると、この手間が省かれ、省力化と施工時間の短縮化に大いに寄与することとなるのである。
Here, the receiving member 62 is fixed to the trunk difference 60 by fasteners 63 and 63, for example, and the other end of the receiving member 62 is a method of providing a notch in the floor beam 61 and fitting the end thereof. Etc. are adopted.
The method of fixing the receiving member 62 to the trunk difference 60 or the floor beam 61 can be freely selected, but the labor for installing the receiving member 62 between the trunk difference 60 and the floor beam 61 and between the floor beam 61 is omitted. If possible, this effort will be saved, which will greatly contribute to labor saving and shortening of construction time.
そこで、本発明においては、木造住宅の２階以上の上層階の床構造の省力化と施工時間の短縮化をその第１の課題とするものである。
また、２階床構造は現在上記構造用合板の根太無し直貼り工法が採用されているが、この構造用合板の直貼り工法においては、その床の撓みが極めて小さく、非常に硬いという難点があった。
Therefore, in the present invention, the first problem is to save labor and shorten the construction time of the floor structure of the upper floor of the wooden house.
In addition, the two-story floor structure currently uses the above-mentioned direct ply construction method for structural plywood. However, in this direct ply construction method for structural plywood, there is a problem that the floor is extremely small and very hard. there were.
この問題は、木造住宅の１階床構造がこれまで、その剛性と柔軟性（弾力性又は居住性）を追求し、堅牢であると共に床の固さを極力抑えて柔軟性を保持させ、その居住性の良さを追及して来たものであり、この木造住宅の１階床構造との関係において生まれて来たものであり、従って、２階床構造がその１階床構造よりも固くて居住性の面でも改良の余地があり、この観点から本発明では、２階床構造においても、１階床構造に少しでも近付くような柔軟性のある床構造を提供することがその第２の課題となるのである。 The problem is that the first floor structure of a wooden house has so far pursued its rigidity and flexibility (elasticity or habitability), and it is robust and keeps the floor as hard as possible to maintain flexibility. It has been pursued in terms of comfort and was born in relation to the first floor structure of this wooden house, so the second floor structure is harder than the first floor structure. In terms of comfort, there is room for improvement. From this point of view, the second aspect of the present invention is to provide a flexible floor structure that can approach the first floor structure even in the second floor structure. It becomes an issue.
更に、上記課題を解決すると共に、本発明においては従来の工法によって得られる強度においても劣るものであっては成らず、否、従来の工法における強度よりも更に良好な水平構面耐力を有するものを提供することも必要となる。
より具体的には、「住宅の品質確保の促進等に関する法律」（「品確法」）に規定される床倍率３．０（２４ｍｍ厚以上の構造用合板を用いて、４周をＮ７５の釘でピッチ１５０ｍｍでジョイントする。）以上の耐力を有するものを提供することもその課題となる。
Furthermore, while solving the said subject, in this invention, it does not become inferior also in the intensity | strength obtained by the conventional construction method, and it has a still better horizontal surface strength than the intensity | strength in the conventional construction method. It is also necessary to provide
More specifically, a floor magnification of 3.0 (with a structural plywood of 24 mm thickness or more) stipulated in the “Law Concerning Promotion of Housing Quality Assurance” (“Accuracy Law”) is a N75 nail for 4 turns. It is also an issue to provide a joint having a proof strength of at least 150 mm.
上記課題を解決するために、本発明の第１のものは、胴差及び床梁の上に床パネルを敷設し、その周縁部を接着剤及び／又は釘等の固定手段により固定して形成する木造住宅上層階用床構造であって、前記床パネルとして四辺形の構造用合板を用い、その一側辺の裏面に連結板材を接合し、この連結板材は所定幅の帯板状のものからなり、この連結板材の長手方向の一側縁を床パネルの一側辺の外方に延長するように接合固定して延長載置部を設け、この延長載置部に隣接する床パネルの一側縁を載置して、接着剤及び／又は釘等の固定手段によって相互に固定することができ、これにより、略平行に配設された胴差と床梁間及び床梁間に交差状に配設される受け材を架設する必要を無くしたことを特徴とする木造住宅上層階用床構造である。 In order to solve the above-mentioned problem, the first one of the present invention is formed by laying a floor panel on the trunk difference and the floor beam, and fixing the peripheral portion thereof by a fixing means such as an adhesive and / or a nail. A floor structure for an upper floor of a wooden house, wherein a quadrilateral structural plywood is used as the floor panel, and a connecting plate material is joined to the back surface of one side, and the connecting plate material is in the form of a strip with a predetermined width And connecting and fixing one side edge of the connecting plate material in the longitudinal direction to the outside of one side of the floor panel to provide an extension mounting portion, and the floor panel adjacent to the extension mounting portion. One side edge can be placed and fixed to each other by fixing means such as an adhesive and / or a nail. The floor structure for the upper floor of a wooden house, characterized in that it is no longer necessary to install a receiving material to be installed.
本発明の第２のものは、上記第１の発明において、四辺形の床パネルが、その縦横の辺の長さの比率を約１対１とした略正方形のものから成り、連結板材が、前記床パネルの一側辺に１つ設けられ、且つ連結板材の長手方向長さを胴差と床梁間又は床梁間の間隔距離よりも短く形成して、胴差又は床梁にその両端部が当接しないことを特徴とする木造住宅上層階用床構造である。 According to a second aspect of the present invention, in the first aspect, the quadrangular floor panel is formed of a substantially square shape having a ratio of lengths of the vertical and horizontal sides of about 1: 1, and the connecting plate material is One is provided on one side of the floor panel, and the length in the longitudinal direction of the connecting plate is formed shorter than the distance between the trunk difference and the floor beam or between the floor beams. This is a floor structure for an upper floor of a wooden house characterized by not contacting.
本発明の第３のものは、上記第１の発明において、四辺形の床パネルが、その縦横の辺の長さの比率を約２対１とした略長方形のものから成り、連結板材が、前記床パネルの長辺の一側辺に所定間隔を空けて２つ設けられ、且つそれぞれの連結板材の長手方向長さが、胴差と床梁間又は床梁間の間隔距離よりも短く形成して、胴差又は床梁にその両端部が当接しないことを特徴とする木造住宅上層階用床構造である。 According to a third aspect of the present invention, in the first aspect, the quadrilateral floor panel is formed of a substantially rectangular shape having a length ratio of about 2 to 1, and the connecting plate material is Two of the long sides of the floor panel are provided at a predetermined interval with a predetermined interval therebetween, and the length of each connecting plate member in the longitudinal direction is shorter than the distance between the trunk difference and the floor beams or between the floor beams. The floor structure for the upper floor of a wooden house, characterized in that both ends thereof do not come into contact with the trunk difference or the floor beam.
本発明の第４のものは、上記第１の発明において、四辺形の床パネルが、その縦横の辺の長さの比率を約１対２とした略長方形のものから成り、連結板材が、前記床パネルの短辺の一側辺とこれと略平行の中央部裏面に２つ設け、且つそれぞれの連結板材の長手方向長さが、胴差と床梁間又は床梁間の間隔距離よりも短く形成して、胴差又は床梁にその両端部が当接しないことを特徴とする木造住宅上層階用床構造である。 According to a fourth aspect of the present invention, in the first aspect, the quadrilateral floor panel is formed of a substantially rectangular shape having a ratio of lengths of vertical and horizontal sides of about 1: 2, Two are provided on one side of the short side of the floor panel and the rear surface of the central part substantially parallel to the short side, and the longitudinal length of each connecting plate is shorter than the distance between the trunk difference and the floor beams or between the floor beams. A floor structure for an upper floor of a wooden house, characterized in that it is formed so that both ends thereof do not come into contact with a trunk difference or a floor beam.
本発明の第５のものは、上記第１乃至第４のそれぞれの発明において、床パネルを敷設したときに、各床パネルに設けた連結板材と、胴差及び床梁とが、それぞれ格子状に組み付けられることを特徴とする木造住宅上層階用床構造である。 According to a fifth aspect of the present invention, in each of the first to fourth aspects of the present invention, when the floor panel is laid, the connecting plate material provided on each floor panel, the trunk difference, and the floor beam are each in a lattice shape. A floor structure for an upper floor of a wooden house characterized by being assembled in
本発明の第６のものは、上記第１乃至第５のそれぞれの発明において、連結板材として床パネルと同種の合板製のものを使用し、その板厚を床パネルと同等とし、且つ連結板材を構造用合板からなる床パネルの木目又は繊維方向と並行に配置したことを特徴とする木造住宅上層階用床構造である。 According to a sixth aspect of the present invention, in each of the first to fifth aspects of the present invention, the connecting plate material is made of the same type of plywood as the floor panel, and the thickness thereof is equivalent to that of the floor panel. Is a floor structure for an upper floor of a wooden house, characterized in that is arranged in parallel with the grain or fiber direction of a floor panel made of structural plywood.
本発明の第１のものにおいては、まず一番大きな効果は、胴差と床梁間、及び床梁間に架設される受け材を省略することができるということである。
この受け材を設けずに施工できるために、作業者による労力は省かれ、施工手間が省略され、施工時間の大幅な短縮に繋がることとなるのである。
更に受け材を省略できるということは、その留め金具の使用も不要となり、省資源にもつながり、受け材を係合するための床梁等のプレカットも不要となり、省力化と施工時間の短縮化に大いに寄与するものとなる。
In the first aspect of the present invention, first, the greatest effect is that it is possible to omit the trunk difference, the space between the floor beams, and the receiving material provided between the floor beams.
Since the construction can be performed without providing the receiving material, the labor by the worker is saved, the construction labor is omitted, and the construction time is greatly shortened.
In addition, the fact that the receiving material can be omitted eliminates the need to use the fastener, which also saves resources and eliminates the need to pre-cut floor beams to engage the receiving material, saving labor and shortening construction time. It will greatly contribute to.
次に、床パネルが敷設されると、その周縁部を釘や接着材により固定して行くのであるが、各床パネルの一側辺の裏面に接合されている連結板材は、胴差や床梁と連結固定されていない状態にある。
つまり、この連結板材は、従来の受け材と異なって床梁等に連結固定されておらず、床パネルにいわばぶら下がり状態で接合されているものである。
これにより、床パネルの弾力性、柔軟性、更には居住性が向上するのである。
Next, when the floor panel is laid, its peripheral edge is fixed with a nail or an adhesive, but the connecting plate material joined to the back surface of one side of each floor panel has a trunk difference and a floor. It is not connected and fixed to the beam.
That is, unlike the conventional receiving material, this connecting plate material is not connected and fixed to a floor beam or the like, but is joined to the floor panel in a so-called hanging state.
This improves the elasticity, flexibility and comfort of the floor panel.
というのも、従来の工法においては、胴差、床梁及び受け材によって、床パネルを支持する支持部材が格子状に配設されており、例えば略正方形の床パネルであれば、その４つの側辺で前記支持部材によって支持され、その床の固さは非常に硬いものとなるが、本発明においては、この従来の受け材に対応する連結板材は、構造材の機能を果たしておらず、単に床パネルの一側辺の裏面に接合されているだけで、隣接する床パネルとの連結固定の機能を有するものであるため、実質的には床パネルは対向する２側辺で胴差や床梁によって支持されるのである。 This is because, in the conventional construction method, the support members that support the floor panel are arranged in a lattice pattern by the trunk difference, the floor beam, and the receiving material. Supported by the support member at the side, the floor is very hard, but in the present invention, the connecting plate corresponding to this conventional receiving material does not serve as a structural material, Since it is simply joined to the back surface of one side of the floor panel and has the function of connecting and fixing to the adjacent floor panel, the floor panel is substantially It is supported by floor beams.
そのため、本発明の床構造による床の硬さが従来のものよりも柔らかいものとなり、それ故、その弾力性、柔軟性或いはクッション性が向上し、良好な居住性を得ることができるのである。
このように、床パネルの一側辺への連結板材の接合という構造の採用により、２階床構造の硬さが和らげられ、より快適な床環境を１階と同様に実現したことが本発明の第２の大きな効果である。
Therefore, the floor hardness of the floor structure of the present invention is softer than that of the conventional one. Therefore, its elasticity, flexibility, or cushioning property is improved, and good comfortability can be obtained.
Thus, by adopting the structure of joining the connecting plate material to one side of the floor panel, it is possible to reduce the hardness of the second floor structure and realize a more comfortable floor environment as in the first floor. This is the second great effect.
更に、連結板材が床パネルに予め固定されているために、その敷設施工が極めて容易なものとなるのである。
即ち、連結板材を胴差と床梁間及び床梁間に格子状に配設すればよく、その敷設方向も容易に把握でき、施工の迅速化と容易化に寄与する。
更に説明すると、コーナー部に最初の床パネルを敷設すれば、それに隣接する床バネルを最初の床パネルの連結板材の上及び床梁等に順次載置して行けばよく、その位置決めも容易となる。つまり、床パネルに設けた連結板材が床梁間に嵌まり込み、その位置決めを容易にしているのである。
Further, since the connecting plate material is fixed to the floor panel in advance, the laying work is extremely easy.
That is, the connecting plate material may be disposed in a grid pattern between the trunk difference and the floor beams and between the floor beams, and the laying direction can be easily grasped, which contributes to speeding up and facilitating the construction.
To explain further, if the first floor panel is laid at the corner, the floor panel adjacent to the first floor panel may be placed on the connecting plate material of the first floor panel and the floor beam, etc., and positioning is easy. Become. That is, the connecting plate material provided on the floor panel is fitted between the floor beams to facilitate the positioning.
また、床梁には受け材を係合するための断面欠損が全く無いので、構造の見直しも容易に可能となる。
上記の敷設手順と同様のことであるが、連結板材の存在により、これが床梁間等に嵌まり込むために、工事途中での床パネルの「横ズレ」を極小に押さえることもできるという効果も発揮するのである。
Further, since the floor beam has no cross-sectional defect for engaging the receiving material, the structure can be easily reviewed.
Although it is the same as the laying procedure described above, the effect of being able to minimize the "lateral misalignment" of the floor panel during construction because it is fitted between the floor beams due to the presence of the connecting plate material. Demonstrate.
本発明の第２のものにおいては、木造住宅上層階用床構造において使用される床パネルの形態をより具体化したものであり、床パネルとして縦横の長さの比率が約１対１の略正方形のものを使用し、連結板材がその一側辺の裏面に設けられ、しかもその連結板材の長手方向長さを胴差と床梁間又は床梁間の間隔距離よりも短く形成して、連結板材の両端部が胴差や床梁に当接しないようにしたものである。
これにより、縦横の短い床パネルとして、例えば約９１０ｍｍ四方のものとして２階床部に容易にこれを敷設することができ、連結板材は、胴差や床梁と当接しないため、敷設する際には、これら胴差と床梁間に、或いは床梁間に簡単に嵌め込み、施工することができることと成るのである。
In the second one of the present invention, the form of the floor panel used in the floor structure for the upper floor of the wooden house is more concretely realized, and the ratio of the length and width of the floor panel is approximately 1: 1. A square plate is used, the connecting plate is provided on the back surface of one side, and the length in the longitudinal direction of the connecting plate is shorter than the distance between the trunk difference and the floor beams or between the floor beams. The both ends of the are made not to come into contact with the trunk difference or the floor beam.
As a result, it is possible to easily lay this on the second floor as a floor panel having a length and width of about 910 mm square, for example, and the connecting plate material does not come into contact with the trunk difference or the floor beam. Therefore, it is possible to easily fit and construct between the trunk difference and the floor beam or between the floor beams.
本発明の第３のものにおいても、上記第２の発明と同様の効果を有し、使用する床パネルの形状として縦横の長さ比率が約２対１の略長方形のものを使用し、その長辺の一側辺に所定間隔を空けて２つの連結板材を接合したものであり、異なる形態の床パネルを具体化したものである。 The third aspect of the present invention also has the same effect as the second aspect of the present invention, and uses a floor panel having a substantially rectangular shape with a ratio of length to width of about 2 to 1, Two connecting plate members are joined to one side of the long side with a predetermined interval, and a floor panel having a different form is embodied.
本発明の第４のものにおいても、上記第２又は第３の発明と同様の効果を有し、使用する床パネスの形状として縦横の長さ比率が約１対２の略長方形のものを使用し、その短辺の一側辺と、これに略並行の中央部裏面に２つ設けたものを使用し、異なる形態の床パネルを具体化したものである。 The fourth aspect of the present invention also has the same effect as the second or third aspect of the present invention, and uses a substantially rectangular shape having a length ratio of about 1 to 2 as the shape of the floor panes to be used. However, a floor panel having a different form is embodied by using one provided on one side of the short side and the back of the central portion substantially parallel to the short side.
本発明の第５のものにおいては、上記それぞれの発明において、床パネルを敷設した際に、各床パネルに設けた連結板材と、胴差及び床梁とが、それぞれ格子状に組み付けられることを明確にしたものであり、本発明に係る床構造において連結板材の配設方向を明確化したものである。その効果は、上記それぞれの発明と同様である。 In the fifth aspect of the present invention, in each of the above inventions, when the floor panel is laid, the connecting plate material provided on each floor panel, the trunk difference, and the floor beam are assembled in a lattice shape. It is clarified, and the arrangement direction of the connecting plate material is clarified in the floor structure according to the present invention. The effect is the same as that of each of the above inventions.
本発明の第６のものにおいては、連結板材の材質を床パネルのものと同様のものとし、また、その板厚も同等とし、連結板材を床パネルに接合する方向を特定したものである。
即ち、床パネルである構造用合板は、針葉樹から形成されており、その木目又は繊維の方向を胴差及び床梁と直交する方向に配置されるものである。
従って、この床パネルに接合される連結板材もこの木目又は繊維と同じ方向に並行に配置することを特定したものである。
このような配置により、最も大きな強度を有する床構造として施工されるからであり、しかも弾力性・柔軟性をも兼ね備え、強く柔らかい１階床構造に近い２階床構造を提供できることとなるのである。
In the sixth aspect of the present invention, the material of the connecting plate material is the same as that of the floor panel, the plate thickness thereof is also equal, and the direction in which the connecting plate material is joined to the floor panel is specified.
That is, the structural plywood, which is a floor panel, is formed from conifers, and is arranged in a direction perpendicular to the trunk difference and the floor beam.
Therefore, the connecting plate material joined to the floor panel is specified to be arranged in parallel in the same direction as the grain or fiber.
It is because it is constructed as a floor structure having the greatest strength by such an arrangement, and it is possible to provide a two-story floor structure close to a strong and soft first-floor structure that also has elasticity and flexibility. .
以下、添付の図面と共に本発明の実施形態について説明する。
図１は、本発明に係る床構造において使用する床パネルの第１の実施形態を図示しており、その（Ａ）が平面図、その（Ｂ）が正面図である。
この床パネル１０は、縦横の長さ比率が約１対１の略正方形のもので、針葉樹構造用合板から成り、その縦横の長さは、約９１０ｍｍ、厚みは２４ｍｍのものである。
Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 illustrates a first embodiment of a floor panel used in a floor structure according to the present invention, in which (A) is a plan view and (B) is a front view.
The floor panel 10 has a substantially square shape with a length-to-width ratio of about 1: 1 and is made of softwood plywood. The length and width are about 910 mm and the thickness is 24 mm.
この床パネル１０の一側辺（図中右側の辺）の裏面に連結板材１２が接合される。
この連結板材１２は、横幅が約１０５ｍｍ、長さが約７８０ｍｍ、厚みは２４ｍｍで、床パネル１０と同じ合板製であり、その略半分を床パネル１０の側辺から外方に延長させ、延長載置部１２ｓを形成するように接合し、固定する。
後に説明するが、この延長載置部１２ｓには、隣接する床パネルの一側縁部が載置され、相互に固定されるのである。
The connecting plate 12 is joined to the back surface of one side of the floor panel 10 (the right side in the figure).
This connecting plate material 12 has a width of about 105 mm, a length of about 780 mm, a thickness of 24 mm, and is made of the same plywood as the floor panel 10, and substantially half of it is extended outward from the side of the floor panel 10. It joins and fixes so that mounting part 12s may be formed.
As will be described later, one side edge portion of the adjacent floor panel is placed on the extended placement portion 12s and fixed to each other.
固定は、胴部径３．０ｍｍ、長さ４５ｍｍの釘１５を用いて一定のピッチで、即ちピッチ７５ｍｍで打ち込み、固定する。ここで接着材を併用してもよい。
連結板材１２を床パネル１０の一側辺に接合固定する際は、図示した通り、床パネル１０の木目と並行となる側辺に接合固定する。このような位置関係とすることにより最も強度が高い床構造が形成されるからである。
床梁等への敷設については後述する。
For fixing, nails 15 having a body diameter of 3.0 mm and a length of 45 mm are driven at a constant pitch, ie, 75 mm, and fixed. Here, an adhesive may be used in combination.
When the connecting plate 12 is bonded and fixed to one side of the floor panel 10, it is bonded and fixed to the side parallel to the grain of the floor panel 10 as shown. This is because the floor structure having the highest strength is formed by such a positional relationship.
The laying on the floor beam will be described later.
図２は、本発明に係る床構造において使用する床パネルの第２の実施形態を図示しており、その（Ａ）が平面図、その（Ｂ）が正面図である。
この床パネル２０は、縦横の長さ比率が約２対１の縦長の略長方形のもので、針葉樹構造用合板から成り、その縦横の長さは、約１８２０ｍｍ×約９１０ｍｍ、厚みは２４ｍｍのものである。
FIG. 2 illustrates a second embodiment of a floor panel used in the floor structure according to the present invention, in which (A) is a plan view and (B) is a front view.
This floor panel 20 is a vertically long, substantially rectangular shape having a length to width ratio of about 2 to 1, and is made of softwood plywood. The length and width are about 1820 mm x about 910 mm and the thickness is 24 mm. It is.
この床パネル２０の一側辺（図中右側の辺）の裏面に連結板材１２が２本接合される。
この連結板材１２は、横幅が約１０５ｍｍ、長さが約７８０ｍｍ、厚みは２４ｍｍで、床パネル２０と同じ合板製であり、その略半分を床パネル２０の側辺から外方に延長させ、延長載置部１２ｓを形成するように接合し、固定する。この連結板材１２は、上記第１の実施形態と同一である。
そして、これら連結板材１２、１２の間隔は、約１３０ｍｍとする。
後述するが、この間隔に床梁が配置されるのである。
Two connecting plate members 12 are joined to the back surface of one side of the floor panel 20 (right side in the figure).
This connecting plate material 12 has a width of about 105 mm, a length of about 780 mm, a thickness of 24 mm, and is made of the same plywood as the floor panel 20, and substantially half of it is extended outward from the side of the floor panel 20. It joins and fixes so that mounting part 12s may be formed. The connecting plate 12 is the same as that in the first embodiment.
And the space | interval of these connection board | plate materials 12 and 12 shall be about 130 mm.
As will be described later, floor beams are arranged at this interval.
連結板材１２を床パネルに固定する方法は、上記第１の実施形態と同一である。
即ち、その固定は、胴部径３．０ｍｍ、長さ４５ｍｍの釘１５を用いて一定のピッチで、即ちピッチ７５ｍｍで打ち込み、固定する。ここで接着材を併用してもよい。
また、連結板材１２を床パネル２０の一側辺に接合固定する際は、図示した通り、床パネル２０の木目と並行となる一方の側辺に接合固定する。このような位置関係とすることにより最も強度の高い床構造が形成されるからである。
The method for fixing the connecting plate 12 to the floor panel is the same as in the first embodiment.
That is, the fixation is driven and fixed at a constant pitch, that is, with a pitch of 75 mm, using a nail 15 having a body diameter of 3.0 mm and a length of 45 mm. Here, an adhesive may be used in combination.
Further, when the connecting plate 12 is bonded and fixed to one side of the floor panel 20, it is bonded and fixed to one side parallel to the grain of the floor panel 20 as shown. This is because the floor structure with the highest strength is formed by such a positional relationship.
図３は、上記２種類の床パネル１０、２０を床梁等に載置して、固定する状態を図示した説明図である。
この図では、説明の都合上これら２種類の床パネルを同時に図示しているが、実際には床パネル２０のみを使用して２階床構造を形成することもできるし、床パネル１０と床パネル２０の両者を共に使用して２階床構造を形成することもできる。
FIG. 3 is an explanatory diagram illustrating a state in which the two types of floor panels 10 and 20 are placed and fixed on a floor beam or the like.
In the figure, for convenience of explanation, these two types of floor panels are shown at the same time. However, in actuality, it is possible to form a two-story floor structure using only the floor panel 20, or the floor panel 10 and the floor Both of the panels 20 can be used together to form a second floor structure.
先ず、２階床構造の施工に際しては、コーナー部から敷設して行くが、コーナー部及び壁面部に敷設する床パネルでは、柱部材Ｐの部位に適合する箇所を予め切り欠いて置く。
そして、床パネル１０及び床パネル２０の何れにおいても、その木目又は繊維の方向が胴差６０や床梁６１と直角になる方向に配列して行くのである。
本発明においては、連結板材１２がそれぞれの床パネル１０、２０の一側辺の裏面に接合固定されているために、この配列に際して目安となるため極めて便利なものとなるのである。
First, when constructing the second-floor floor structure, the floor portion is laid from the corner portion. However, in the floor panel to be laid on the corner portion and the wall surface portion, a portion suitable for the part of the column member P is cut out in advance.
And in both the floor panel 10 and the floor panel 20, the direction of the grain or fiber is arranged in the direction which becomes perpendicular to the trunk difference 60 and the floor beam 61.
In the present invention, since the connecting plate member 12 is bonded and fixed to the back surface of one side of each floor panel 10, 20, it becomes a convenient measure for this arrangement.
即ち、この連結板材１２が胴差６０と床梁６１間、或いは床梁６１間に格子状に配置されるように順次敷設して行けばよいのである。
各床パネル１０、２０は、その４つの側縁部に沿って、所定の釘によって、所定のピッチで胴差、床張り、そして隣接する床パネル１０、２０の一側縁と相互に固定されることとなる。この固定に際して接着材を併用することもできる。
That is, the connecting plate member 12 may be laid sequentially so as to be arranged in a lattice pattern between the trunk difference 60 and the floor beam 61 or between the floor beams 61.
Each floor panel 10, 20 is secured to the body difference, flooring, and one side edge of the adjacent floor panel 10, 20 at a predetermined pitch by a predetermined nail along its four side edges. The Rukoto. An adhesive may be used in combination for this fixing.
ここで連結板材１２の延長載置部１２ｓに隣接する床パネルの一側縁部が載置されて釘等により相互に固定されるのであるが、この隣接する床パネルの敷設に際して、この延長載置部１２ｓの存在と、これから敷設される床パネル１０の側に接合された連結板材１２の存在が非常に役に立つのである。
即ち、敷設完了した床パネル２０の連結板材１２と、胴差６０及び床梁６１のそれぞれの上面部が略正方形の３辺を構成し、残りの一辺はこれから配設される床パネル１０の裏面に接合された連結板材１２がこれを構成し、これにより略正方形の４辺（格子状態）が完成して、嵌め込まれるのである。
換言すれば、配設されるべき床パネル１０裏面の連結板材１２を、略正方形の格子状態の一辺を完成するように嵌め込み、組み付けて行くことができるため、本発明の連結板材１２の存在は敷設に際して極めて便利な案内手段となるということである。
Here, one side edge portion of the floor panel adjacent to the extended placement portion 12s of the connecting plate member 12 is placed and fixed to each other by a nail or the like. The presence of the placing portion 12s and the presence of the connecting plate 12 joined to the floor panel 10 to be laid from now on are very useful.
That is, the connecting plate member 12 of the floor panel 20 that has been laid, and the upper surface portions of the trunk difference 60 and the floor beam 61 constitute three sides of a substantially square shape, and the remaining one side is the back surface of the floor panel 10 to be arranged from now on. The connecting plate material 12 joined to each other constitutes this, whereby four sides of a substantially square (lattice state) are completed and fitted.
In other words, since the connecting plate 12 on the back surface of the floor panel 10 to be disposed can be fitted and assembled so as to complete one side of a substantially square lattice state, the presence of the connecting plate 12 of the present invention is It is a very convenient guide for laying.
更に、図３には、明瞭に現れていないが、床パネル１０、２０が敷設され、固定された状態で、連結板材１２は、その両端部において、胴差６０や床梁６１と当接していない。
即ち、連結板材１２の両端部は、胴差６０や床梁６１の側面部と間隔を保持して配置され、固定されるのである。
この間隔は、例えば約１０ｍｍ前後程度とすればよい。
Further, although not clearly shown in FIG. 3, the connecting plate 12 is in contact with the trunk difference 60 and the floor beam 61 at both ends in a state where the floor panels 10 and 20 are laid and fixed. Absent.
In other words, both end portions of the connecting plate member 12 are arranged and fixed with a gap from the side surface portions of the trunk difference 60 and the floor beam 61.
This interval may be about 10 mm, for example.
この間隔が存在していることにより床パネル１０、２０を敷設する際には、容易に床梁間等に配置することができることとなるのである。
また、この間隔が存在しているということは、この連結板材１２が胴差や床梁と連結固定されていないというこであり、つまり、この連結板材１２は隣接する床パネル同士を連結し、その連結部位の裏面にぶら下がり状態で配設されており、それ故、床パネルの柔軟性、弾力性或いはクッション性を高める効果を発揮するのである。
Since this space exists, when the floor panels 10 and 20 are laid, they can be easily arranged between the floor beams.
In addition, the presence of this gap means that the connecting plate 12 is not connected and fixed to the trunk difference or the floor beam, that is, the connecting plate 12 connects adjacent floor panels, It is arranged in a hanging state on the back surface of the connecting portion, and therefore exhibits the effect of improving the flexibility, elasticity or cushioning property of the floor panel.
更には、この連結板材１２は、隣接する床パネル１０、２０を連結固定する際に、通常は所定の釘打ちによって行うが、この連結固定に際して接着材を共に併用することで、その接合強度を向上させると共に、そのクッション性をも調整することができることとなるのである。
というのも、釘打ちのみよる場合には、その釘打ちのピッチを変えることによりその強度が異なる。即ち、ピッチを小さくすれば強度は高まり、クッション性は少し劣り、そのピッチを大きくすれば逆に強度は弱まり、クッション性が向上する。
Furthermore, the connecting plate member 12 is usually formed by predetermined nailing when connecting and fixing the adjacent floor panels 10 and 20, but the joint strength can be increased by using an adhesive together with the connecting and fixing member. It is possible to improve and adjust the cushioning property.
This is because, when only nailing is used, the strength varies depending on the pitch of the nailing. That is, if the pitch is decreased, the strength is increased and the cushioning property is slightly inferior. If the pitch is increased, the strength is decreased, and the cushioning property is improved.
同様に接着材をも併用すれば、クッション性は弱まるが強度が向上する。
このように、連結部材１２の部位での隣接する床パネル同士の固定方法を適宜変更することのより、床構造のクッション性を調整することができるのである。
尚、このクッション性を少なく調整したとしても、従来工法である図５に図示した根太無し直貼り床構造と比較すれば、当然本発明の床構造の方がその弾力性、柔軟性又はクッション性が高いことは言うまでもないことである。
Similarly, if an adhesive is also used, the cushioning property is weakened but the strength is improved.
As described above, the cushioning property of the floor structure can be adjusted by appropriately changing the fixing method of the adjacent floor panels at the portion of the connecting member 12.
Even if this cushioning property is adjusted to be small, the floor structure of the present invention naturally has its elasticity, flexibility or cushioning property as compared with the floor structure without direct joisting shown in FIG. It goes without saying that is expensive.
図４は、本発明に係る床構造と、従来の図５に図示した床構造（根太無し直貼り床構造）との剪断曲げ試験による比較を示すグラフである。
試験体の仕様は、何れも針葉樹構造用合板２４ｍｍ厚のもの（縦横６００ｍｍ×１１００ｍｍ）を使用し、本発明のものでは、上記実施形態と同様で、連結板材として２４ｍｍ厚、横幅１０５ｍｍのものを使用し、構造用合板と連結板材との接合固定は、胴部径３．０ｍｍで長さが４５ｍｍの釘を７５ｍｍのピッチで固定したものを使用し、他方、比較例である根太なし直貼り構造では、上記同じ板厚２４ｍｍの構造用合板（縦横６００ｍｍ×１１００ｍｍ）を１０５ｍｍ角の大引で連結固定し、固定は胴部径３．４ｍｍで長さが７５ｍｍの釘（Ｎ−７５）を１５０ｍｍのピッチで固定したものを使用した。
FIG. 4 is a graph showing a comparison by a shear bending test between the floor structure according to the present invention and the conventional floor structure shown in FIG. 5 (a floor structure without a joist).
The specifications of the test specimens are 24 mm thick plywood for coniferous structure (vertical and horizontal 600 mm × 1100 mm). In the present invention, the connecting plate material is 24 mm thick and 105 mm wide. Used for fixing the structural plywood and the connecting plate material by fixing nails having a body diameter of 3.0 mm and a length of 45 mm at a pitch of 75 mm, and on the other hand, directly applying a joist without a joist In the structure, the above-mentioned structural plywood with the same plate thickness of 24 mm (vertical and horizontal 600 mm × 1100 mm) is connected and fixed with a 105 mm square pull, and fixing is performed by a nail (N-75) having a barrel diameter of 3.4 mm and a length of 75 mm. Those fixed at a pitch of 150 mm were used.
試験体は、それぞれ２体ずつ用いて試験を行い、図示した結果を得た。
グラフ中、Ｎ１及びＮ２が示す実線と破線が根太無し直貼り床構造の値を示し、Ｓ１及びＳ２が示す実線及び破線が本発明に係る床構造の数値を示している。
このグラフから明瞭に見て取れるように、本発明に係る床構造Ｓ１、Ｓ２の方が変位量が小さく、その強度或いは堅牢度が根太無し直貼り床構造よりも高いことを示している。
従って、本発明に係る床構造は、弾力性、柔軟性を有しつつ、強度に関しても従来の床構造よりも強いことが判明した。
Tests were performed using two test bodies, and the results shown in the figure were obtained.
In the graph, solid lines and broken lines indicated by N1 and N2 indicate values of the floor structure without direct joists, and solid lines and broken lines indicated by S1 and S2 indicate numerical values of the floor structure according to the present invention.
As can be clearly seen from this graph, the floor structures S1 and S2 according to the present invention have a smaller amount of displacement, indicating that the strength or fastness is higher than the floor structure without the joist.
Accordingly, it has been found that the floor structure according to the present invention has elasticity and flexibility and is stronger than the conventional floor structure in terms of strength.
尚、本発明においては、上記した通り、床梁間の受け材を無くして、床パネルの側に連結板材を接合して、２階床構造の弾力性、クッション性を向上させているが、この連結板材は、胴差と床梁間及び床梁間に配置されているが、この連結板材の両端部は、胴差及び床梁と当接しておらず、所定の間隔（１０ｍｍ前後）を保持している。
このため、一見水平構面における剪断力に対する耐力が弱くなると思われたのであるが、実際の試験によると、この剪断力方向に対する耐力が、従来の根太無し直貼り床構造よりも高いという結果が出ているのである。
In the present invention, as described above, the receiving material between the floor beams is eliminated and the connecting plate material is joined to the floor panel side to improve the elasticity and cushioning properties of the second floor structure. The connecting plate material is arranged between the trunk difference and the floor beam, and between the floor beams, but both ends of the connecting plate material are not in contact with the trunk difference and the floor beam, and maintain a predetermined interval (around 10 mm). Yes.
For this reason, it seemed that the yield strength against the shear force at the horizontal surface seemed to be weak, but according to the actual test, the results showed that the yield strength in the direction of the shear force is higher than that of the conventional floor structure without direct joists. It is out.
これに関する根拠は未だ明確にはなっていないが、この水平構面における剪断力方向に対する耐力は、接合される床パネルの釘打ち固定にその理由があると考えられ、従って、固定に使用する釘の種類と、その釘打ち間隔ピッチに拠るらしいことが判って来た。
即ち、固定に使用される釘の胴部径と釘打ちピッチ（釘の固定位置の間隔）の長さに拠るのであり、即ち、胴部径を大きくし、ピッチを狭くして固定することによりこの剪断力方向に対する耐力が向上することが判って来たのである。
Although the grounds for this are not yet clear, the resistance to shearing direction in this horizontal plane is thought to be the reason for the nailing and fixing of the floor panels to be joined. It has been found that it seems to depend on the type of the nail and the nail pitch.
That is, it depends on the body diameter of the nail used for fixing and the length of the nail driving pitch (nail fixing position interval), that is, by increasing the body diameter and reducing the pitch to fix. It has been found that the yield strength in the direction of the shearing force is improved.
そのために、本発明のように、連結板材が胴差や床梁と当接していなくとも、その水平構面耐力が弱まることがなく、否、連結板材を介した床パネル同士の連結固定によって、その水平構面耐力が従来のものよりも向上し、しかも、連結板材がぶら下がり状態に接合されているために弾力性、クッション性も向上し、それ故、強度があって柔らかいという居住性豊かな本発明に係る木造２階床構造が完成されたのである。 Therefore, as in the present invention, even if the connecting plate material is not in contact with the trunk difference or the floor beam, the horizontal structural surface strength is not weakened, and by connecting and fixing the floor panels via the connecting plate material, Its horizontal surface strength is higher than the conventional one, and the connecting plate material is joined in a hanging state, so the elasticity and cushioning properties are also improved. The wooden two-story floor structure according to the present invention has been completed.
以上、本発明の実施形態について説明したが、本発明においては以下の通り種々その形態を変更することができる。
本発明に係る床構造において使用する床パネルは、構造用合板を用いているが、その平面視形状は、上記した通り、略正方形又は略長方形のものを使用している。
そして、その木目又は繊維方向を、平行に並んだ胴差及び床梁と直交する方向に配置される。
As mentioned above, although embodiment of this invention was described, in the present invention, the form can be variously changed as follows.
As the floor panel used in the floor structure according to the present invention, a structural plywood is used, and the plan view shape thereof is substantially square or substantially rectangular as described above.
And the wood grain or fiber direction is arrange | positioned in the direction orthogonal to the trunk difference and floor beam arranged in parallel.
また、短辺と長辺の比率が１対２の略長方形のものにおいては、上記実施形態では長辺の一方の辺に２本間隔を置いて連結板材を配置し、接合したが、この床パネルの短辺側の一方の辺に連結板材を１本接合し、この連結板材と平行にその裏面中央部にもう１本接合固定してもよい。
この場合においても、合板の木目は、連結板材と同じ方向に向くように床パネルを裁断する必要がある。
Further, in the case of a substantially rectangular shape having a ratio of the short side to the long side of 1: 2, in the above-described embodiment, the connecting plate members are arranged and joined with two intervals on one side of the long side. One connecting plate member may be bonded to one side on the short side of the panel, and another connecting plate member may be bonded and fixed to the center of the back surface in parallel with the connecting plate member.
Even in this case, it is necessary to cut the floor panel so that the grain of the plywood faces in the same direction as the connecting plate material.
上記実施形態では、床パネルとして厚さ２４ｍｍの針葉樹構造用合板を用いたが、この種の構造用合板においては２８ｍｍ厚のものもあるが、その強度試験を行った結果、２４ｍｍ厚のもので十分な強度を有していることが判明した。
また連結板材も特に２８ｍｍ厚のものを使用せずに、床パネルと同じ２４ｍｍ厚で十分であることも判明した。
In the above embodiment, a softwood structural plywood having a thickness of 24 mm was used as a floor panel. However, this type of structural plywood has a thickness of 28 mm. It was found to have sufficient strength.
It was also found that the connecting plate material is not particularly 28 mm thick, and the same 24 mm thickness as the floor panel is sufficient.
連結板材は、その横幅が上記実施形態では１０５ｍｍのものを使用しているが、その横幅も適宜必要に応じて設計変更することができる。
要するに隣接する床パネルが適切に釘等を利用して固定することができる横幅を有していればよいのものである。
In the above embodiment, the connecting plate member having a width of 105 mm is used. However, the width of the connecting plate can be changed as needed.
In short, it is only necessary that adjacent floor panels have a width that can be fixed appropriately using nails or the like.
その長手方向の長さも、床梁等の間隔に適合させて適宜設計することができる。
この際に、この連結板材の長手方向長さを、この床梁間の間隔長さよりも少し短く設計し、胴差や床梁の側面部と当接することなく、一定の間隔を保持するようにこの連結板材を配設し、床パネルに固定することが極めて重要なこととなる。
これにより、床パネルの敷設施工が容易となり、しかも、床構造の弾力性とクッション性並びにその強度及び水平構面耐力も向上するからである。
尚勿論のこととして、この連結板材の長手方向長さを床梁間の長さに合致させて実施することも可能なことである。
The length in the longitudinal direction can also be designed as appropriate in accordance with the interval between the floor beams and the like.
At this time, the length of the connecting plate material in the longitudinal direction is designed to be slightly shorter than the distance between the floor beams, and the distance between the floor plates and the side surfaces of the floor beams is maintained without a constant gap. It is very important to arrange the connecting plate material and fix it to the floor panel.
This is because the floor panel can be easily laid, and the elasticity and cushioning of the floor structure as well as the strength and horizontal structural strength are improved.
Of course, it is also possible to carry out by making the longitudinal length of the connecting plate material coincide with the length between the floor beams.
連結板材は、また床パネルと同一の針葉樹構造用合板を使用しているが、この連結板材の材質等も自由に選択して使用することができるが、床パネル同士の連結固定に使用するものであるため、その強度或いはクッション性能の調整ということ等を考慮すれば、同じ素材を使用する方が極めて好ましい。 The connecting plate material uses the same plywood for coniferous structure as the floor panel, but the material of this connecting plate material can be freely selected and used, but it is used for connecting and fixing the floor panels to each other Therefore, considering the adjustment of the strength or cushion performance, it is extremely preferable to use the same material.
最後に、本発明に係る床構造においては、既に述べた通り、従来の根太無し直張り床構造と比較してもその強度において優っており、水平構面耐力の点でも従来のものよりも格段の強度を備えたものであることが各種実験により確認されている。
そして、「品確法」に基づく床倍率３．０の耐力を十分にクリアしたものである。
Finally, as already described, the floor structure according to the present invention is superior in strength compared to the conventional floorless straight floor structure, and in terms of horizontal surface strength, it is much higher than the conventional one. It has been confirmed by various experiments that it has the following strength.
And the proof stress of the floor magnification 3.0 based on "the product quality method" was fully cleared.
以上、本発明は、極めて簡易な構成からなる床構造であり、その構成は、この種の木造住宅の２階床構造として非常に長い間気付かれないままに今日まで来たものであるが、本発明者は、発想の転換により、連結板材を床パネル側に接合固定することにより床梁間に設けられていた受け材を無くすることに想到し、即ち、略正方形の床パネルであれば、その一側辺の裏面に接合して、外方に延長させ、この延長部に隣接する同種の構成の床パネルを連結固定することにより受け材を無くしてクッション性を高め、しかも、クッション性能の調整という効果をも併せ持つ、全く新規で独創的な床構造を創作し、これを市場に提供することができたものである。 As described above, the present invention is a floor structure having a very simple configuration, and the configuration has been unnoticeable for a long time as a two-story floor structure of this type of wooden house. The present inventor came up with the idea of eliminating the receiving material provided between the floor beams by joining and fixing the connecting plate material to the floor panel side, that is, if it is a substantially square floor panel, Join to the back of one side, extend outward, and connect and fix the floor panel of the same type adjacent to this extension to eliminate the receiving material and improve cushioning. We have created a completely new and original floor structure that also has the effect of adjustment, and was able to provide it to the market.
１０、２０ 床パネル
１２ 連結板材
１２ｓ 延長載置部
１５ 釘
６０ 胴差
６１ 床梁
６２ 受け材
Ｇ 木目
Ｐ 柱部材
10, 20 Floor panel 12 Connecting plate material 12s Extension mounting part 15 Nail 60 Torso difference 61 Floor beam 62 Receiving material G Wood grain P Column member
Claims (6)
前記床パネル(10, 20)として四辺形の構造用合板を用い、その一側辺の裏面に連結板材(12)を接合し、
この連結板材(12)は所定幅の帯板状のものからなり、この連結板材(12)の長手方向の一側縁を床パネル(10, 20)の一側辺の外方に延長するように接合固定して延長載置部(12s) を設け、この延長載置部(12s)に隣接する床パネル(10, 20)の一側縁を載置して、接着剤及び／又は釘等の固定手段によって相互に固定することができ、
これにより、略平行に配設された胴差(60)と床梁(61)間及び床梁(61)間に交差状に配設される受け材(62)を架設する必要を無くしたことを特徴とする木造住宅上層階用床構造。 For upper floors of wooden houses in which floor panels (10, 20) are laid on the trunk difference (60) and floor beam (61), and the periphery is fixed by fixing means such as adhesives and / or nails A floor structure,
Using a quadrilateral structural plywood as the floor panel (10, 20), joining the connecting plate (12) to the back of one side,
This connecting plate material (12) is made of a strip plate having a predetermined width, and one side edge in the longitudinal direction of this connecting plate material (12) is extended to the outside of one side edge of the floor panel (10, 20). An extension placement part (12s) is provided by bonding and fixing to the floor, and one side edge of the floor panel (10, 20) adjacent to the extension placement part (12s) is placed, and an adhesive and / or a nail, etc. Can be fixed to each other by means of
This eliminates the need to lay the receiving material (62) arranged in a cross between the trunk difference (60) and the floor beam (61) and between the floor beam (61) arranged substantially in parallel. A floor structure for upper floors of wooden houses characterized by
連結板材(12)が、前記床パネル(10)の一側辺に１つ設けられ、且つ連結板材(12)の長手方向長さを胴差(60)と床梁(61)間又は床梁(61)間の間隔距離よりも短く形成して、胴差(60)又は床梁(61)にその両端部が当接しないことを特徴とする請求項１に記載の木造住宅上層階用床構造。 The quadrilateral floor panel (10) consists of a substantially square shape with the ratio of the lengths of its vertical and horizontal sides approximately 1: 1.
One connecting plate (12) is provided on one side of the floor panel (10), and the length of the connecting plate (12) in the longitudinal direction is set between the trunk difference (60) and the floor beam (61) or the floor beam. The floor for a wooden house upper floor according to claim 1, characterized in that it is formed shorter than the distance between (61) and the both ends thereof do not come into contact with the trunk difference (60) or the floor beam (61). Construction.
連結板材(12)が、前記床パネル(20)の長辺の一側辺に所定間隔を空けて２つ設けられ、且つそれぞれの連結板材(12)の長手方向長さが、胴差(60)と床梁(61)間又は床梁(61)間の間隔距離よりも短く形成して、胴差(60)又は床梁(61)にその両端部が当接しないことを特徴とする請求項１に記載の木造住宅上層階用床構造。 The quadrilateral floor panel (20) consists of an approximately rectangular shape with the ratio of the length of the vertical and horizontal sides of about 2 to 1,
Two connecting plate members (12) are provided on one side of the long side of the floor panel (20) at a predetermined interval, and the length of each connecting plate member (12) in the longitudinal direction is determined to be the difference between the body difference (60 ) And the floor beam (61) or the distance between the floor beam (61) is shorter than the distance between the body difference (60) or the floor beam (61). Item 2. A floor structure for an upper floor of a wooden house according to Item 1.
連結板材が、前記床パネルの短辺の一側辺とこれと略平行の中央部裏面に２つ設け、且つそれぞれの連結板材の長手方向長さが、胴差と床梁間又は床梁間の間隔距離よりも短く形成して、胴差又は床梁にその両端部が当接しないことを特徴とする請求項１に記載の木造住宅上層階用床構造。 The quadrilateral floor panel is composed of a substantially rectangular shape with the ratio of the length of the vertical and horizontal sides of about 1: 2.
Two connecting plate materials are provided on one side of the short side of the floor panel and the back surface of the central portion substantially parallel to the short side, and the length in the longitudinal direction of each connecting plate material is the difference between the trunk difference and the floor beams or between the floor beams. The floor structure for an upper floor of a wooden house according to claim 1, wherein the floor structure is formed shorter than the distance so that both ends thereof do not contact the trunk difference or the floor beam.
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