JP2022156180A - Connection part structure of structural member - Google Patents

Connection part structure of structural member Download PDF

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JP2022156180A
JP2022156180A JP2021059739A JP2021059739A JP2022156180A JP 2022156180 A JP2022156180 A JP 2022156180A JP 2021059739 A JP2021059739 A JP 2021059739A JP 2021059739 A JP2021059739 A JP 2021059739A JP 2022156180 A JP2022156180 A JP 2022156180A
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heat transfer
load
structural member
wooden beam
suppressing member
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JP7577016B2 (en
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寛 増子
Hiroshi Masuko
晃一 エキ田
Koichi Ekida
邦夫 ▲高▼林
Kunio Takabayashi
真理恵 齋藤
Marina Saito
浩幸 青木
Hiroyuki Aoki
秀之 萩生田
Hideyuki Hagyuda
紗良 八神
Sara Yagami
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Kumagai Gumi Co Ltd
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Abstract

To provide a connection part structure of a structural member for improving workability in the connection part structure of the structural member constituted so as to suppress heat transfer between a first load support part of a first structural member and a second load support part of a second structural member.SOLUTION: A connection part structure of the structural member according to the present invention comprises a first structural member having a first load support part (metallic column 10), a second structural member having a second load support part (wooden beam 20), a mounting part 3 fixed to the first load support part, and a heat transfer suppression member 4 mounted on the mounting part 3. The first load support part and the second load support part are load support parts each made of different materials, and the second load support part is placed on the heat transfer suppression member.SELECTED DRAWING: Figure 1

Description

本発明は、第１の構造部材の第１の荷重支持部と第２の構造部材の第２の荷重支持部とを接合する構造部材の接続部構造に関する。 TECHNICAL FIELD The present invention relates to a structural member joint structure for joining a first load bearing portion of a first structural member and a second load bearing portion of a second structural member.

鋼製の第１構造部材と、荷重を支持する木製の心材と該心材の周囲を取り囲む燃え止まり層とを備えた第２構造部材と、第１構造部材と第２構造部材とを接合し第１構造部材から心材へ及び心材から第１構造部材へ力を伝えると共に、第１構造部材から心材への熱の伝達を抑制するコンクリートブロック等の遮蔽部材とを有した構造部材の接合構造が知られている（特許文献１等参照）。 a steel first structural member; a second structural member comprising a wooden core for supporting a load and a flame stop layer surrounding the core; A joint structure of structural members having a shielding member such as a concrete block that suppresses heat transfer from the first structural member to the core member while transmitting force from one structural member to the core member and from the core material to the first structural member is known. (see Patent Document 1, etc.).

特許第５９９０４２４号公報Japanese Patent No. 5990424

特許文献１に開示された接合構造においては、例えばコンクリートブロック等の遮蔽部材を第２構造部材の心材の側面に固定する構造である。
この場合、例えばアンカーボルトを埋設したコンクリートブロックを用いて、心材に形成された貫通孔にアンカーボルトを通して当該アンカーボルトにナットを締結することで、当該コンクリートブロックを第２構造部材の心材の側面に固定しなければならない。
しかしながら、このように重量物であるコンクリートブロックのアンカーボルトを心材に形成された貫通孔に通して固定する作業は、重量物であるコンクリートブロックを支えながらの作業となり、大変な作業となるため、施工性の面での課題があった。
本発明は、上述した課題に鑑みて、第１の構造部材の第１の荷重支持部と第２の構造部材の第２の荷重支持部との間の熱伝達を抑制するように構成される構造部材の接続部構造において、施工性を向上させた構造部材の接続部構造を提供するものである。 In the joint structure disclosed in Patent Document 1, for example, a shielding member such as a concrete block is fixed to the side surface of the core material of the second structural member.
In this case, for example, using a concrete block in which anchor bolts are embedded, the anchor bolts are passed through through holes formed in the core material and nuts are fastened to the anchor bolts, thereby attaching the concrete block to the side surface of the core material of the second structural member. must be fixed.
However, the work of inserting the anchor bolts of the heavy concrete block through the through holes formed in the core material and fixing them in this way requires supporting the heavy concrete block, which is a difficult work. There was a problem in terms of workability.
SUMMARY OF THE INVENTION In view of the above problems, the present invention is configured to suppress heat transfer between a first load-bearing portion of a first structural member and a second load-bearing portion of a second structural member. Provided is a joint structure for structural members with improved workability.

本発明に係る構造部材の接続部構造は、第１の荷重支持部を備えた第１の構造部材と、第２の荷重支持部を備えた第２の構造部材と、第１の荷重支持部に固定された載置部と、載置部の上に載置された伝熱抑制部材とを備え、第１の荷重支持部と第２の荷重支持部とが、それぞれ、異なる材料により形成された荷重支持部であり、第２の荷重支持部が伝熱抑制部材の上に載置されたことを特徴とするので、第１の構造部材の第１の荷重支持部と第２の構造部材の第２の荷重支持部との間の熱伝達を抑制するように構成される構造部材の接続部構造において、施工性を向上させた構造部材の接続部構造を提供できる。
また、載置部の載置面と当該載置面に載置される伝熱抑制部材の面とが凹凸係合され、かつ、伝熱抑制部材の面と当該面に載置される第２の荷重支持部の面とが凹凸係合されたことを特徴とするので、第１の荷重支持部から第２の荷重支持部に力を伝達でき、かつ、第２の荷重支持部から第１の荷重支持部に力を伝達できる構造部材の接続部構造を容易に提供できる。
第１の荷重支持部と第２の荷重支持部とが、それぞれ、異なる材料により形成された荷重支持部であることを特徴とするので、第１の構造部材の第１の荷重支持部と第２の構造部材の第２の荷重支持部との間の熱伝達を抑制できる。
第１の構造部材は、第１の荷重支持部としての金属質柱又は金属質梁と、当該金属質柱又は金属質梁の表面を覆うように設けられた第１の耐火被覆部とを備えて構成され、第２の構造部材は、第２の荷重支持部としての木質梁と、当該木質梁の表面を覆うように設けられた第２の耐火被覆部とを備えて構成されたことを特徴とするので、金属質柱又は金属質梁と木質梁との間の熱伝達を抑制できるとともに、金属質柱又は金属質梁及び木質梁の耐火性能を向上できる。
また、金属質柱又は金属質梁の表面に設けられた第１の耐火被覆部と当該第１の耐火被覆部と対向するように木質梁の梁端面に設けれられた第２の耐火被覆部との間に空間が形成されたことを特徴とするので、金属質柱又は金属質梁から木質梁への熱の伝達、及び、木質梁から金属質柱又は金属質梁への熱の伝達を、空間を介して、より効果的に抑制できるようになる。
さらに、第２の耐火被覆部が石こうボードを含む１層以上の耐火被覆層により構成されたことを特徴とするので、耐火性能、施工性を向上できる。 A connection structure for a structural member according to the present invention includes a first structural member having a first load bearing portion, a second structural member having a second load bearing portion, and a first load bearing portion. and a heat transfer suppressing member placed on the mounting portion, wherein the first load supporting portion and the second load supporting portion are made of different materials. and the second load supporting portion is placed on the heat transfer suppressing member. In the connecting portion structure of the structural member configured to suppress heat transfer between the second load supporting portion and the connecting portion structure of the structural member with improved workability can be provided.
Further, the mounting surface of the mounting portion and the surface of the heat transfer suppressing member placed on the mounting surface are engaged with each other in an uneven manner, and the surface of the heat transfer suppressing member and the second heat transfer suppressing member placed on the surface are engaged. is engaged with the surface of the load supporting portion, the force can be transmitted from the first load supporting portion to the second load supporting portion, and from the second load supporting portion to the first load supporting portion. It is easy to provide a connection structure for structural members capable of transmitting forces to the load-bearing portion of the load.
Since the first load-bearing part and the second load-bearing part are load-bearing parts made of different materials, the first load-bearing part and the second load-bearing part of the first structural member The heat transfer between the second load bearing portion of the two structural members can be reduced.
The first structural member comprises a metallic column or metallic beam as a first load bearing portion, and a first fireproof coating provided to cover the surface of the metallic column or metallic beam. wherein the second structural member comprises a wooden beam as a second load bearing portion and a second fireproof coating provided to cover the surface of the wooden beam. As a result, the heat transfer between the metal column or metal beam and the wood beam can be suppressed, and the fire resistance of the metal column or metal beam and the wood beam can be improved.
Also, a first fireproof coating provided on the surface of the metallic column or the metallic beam, and a second fireproof coating provided on the beam end surface of the wooden beam so as to face the first fireproof coating. and heat transfer from the metal column or metal beam to the wooden beam, and heat transfer from the wood beam to the metal column or metal beam , can be suppressed more effectively through space.
Furthermore, since the second fire-resistant coating part is composed of one or more fire-resistant coating layers including a gypsum board, fire-resistant performance and workability can be improved.

第１の荷重支持部としての金属質柱と第２の荷重支持部としての木質梁との接続部構造を示す斜視図（実施形態１）。A perspective view showing a connecting portion structure between a metallic column as a first load supporting portion and a wooden beam as a second load supporting portion (Embodiment 1). 金属質柱と木質梁との接続部構造を示す横断面図（実施形態１）。FIG. 2 is a cross-sectional view showing a connection structure between a metallic column and a wooden beam (Embodiment 1). 図２のＡ－Ａ断面相当図（縦断面図）（実施形態１）。FIG. 3 is a cross-sectional view (longitudinal cross-sectional view) corresponding to the AA section of FIG. 2 (Embodiment 1). 第１の荷重支持部としての金属質梁と木質梁との接続部構造を示す図であって、（ａ）は縦断面図、（ｂ）は（ａ）図のＡ－Ａ断面相当図（実施形態２）。FIG. 4 is a diagram showing the connection structure between the metal beam and the wooden beam as the first load support part, (a) is a vertical cross-sectional view, and (b) is a cross-sectional view equivalent to AA in FIG. Embodiment 2). 第１の荷重支持部としての金属質梁と木質梁との接続部構造を示す図であって、（ａ）は縦断面図、（ｂ）は（ａ）図のＡ－Ａ断面相当図（実施形態３）。FIG. 4 is a diagram showing the connection structure between the metal beam and the wooden beam as the first load support part, (a) is a vertical cross-sectional view, and (b) is a cross-sectional view equivalent to AA in FIG. Embodiment 3).

実施形態１
実施形態１に係る構造部材の接続部構造は、図１乃至図３に示すように、第１の荷重支持部を備えた第１の構造部材１と、第２の荷重支持部を備えた第２の構造部材２と、第１の荷重支持部に固定された載置部３と、載置部３の上に載置された伝熱抑制部材４とを備え、第２の荷重支持部が伝熱抑制部材４の上に載置されたことによって、第１の荷重支持部と第２の荷重支持部とが伝熱抑制部材４及び載置部３により接続された接続部構造である。
また、第１の荷重支持部と第２の荷重支持部とが、それぞれ、異なる材料により形成された荷重支持部であり、実施形態１に係る構造部材の接続部構造では、荷重を支持する第１の荷重支持部としての例えば断面ロ字状の鋼管柱等の中空の金属質柱１０と荷重を支持する第２の荷重支持部としての例えば木質梁２０とが伝熱抑制部材４及び載置部３により接続された接続部構造とした。 Embodiment 1
As shown in FIGS. 1 to 3, the connection structure of the structural member according to the first embodiment includes a first structural member 1 having a first load bearing portion and a second load bearing portion having a second load bearing portion. 2, a mounting portion 3 fixed to the first load supporting portion, and a heat transfer suppressing member 4 mounted on the mounting portion 3, wherein the second load supporting portion is It is a connecting portion structure in which the first load supporting portion and the second load supporting portion are connected by the heat transfer suppressing member 4 and the mounting portion 3 by being placed on the heat transfer suppressing member 4 .
Further, the first load supporting portion and the second load supporting portion are load supporting portions made of different materials, respectively. A hollow metallic column 10 such as a steel pipe column having a square cross section as a first load supporting portion and a second load supporting portion such as a wooden beam 20 as a second load supporting portion are mounted on a heat transfer suppressing member 4. A connecting part structure connected by a part 3 is adopted.

第１の構造部材１は、第１の荷重支持部としての金属質柱１０と、当該金属質柱１０の表面を覆うように設けられた第１の耐火被覆部１１とを備えた構成とした。 The first structural member 1 comprises a metallic column 10 as a first load bearing portion and a first fireproof coating 11 provided to cover the surface of the metallic column 10. .

第１の耐火被覆部１１は、例えば金属質柱１０の表面を覆うように設けられた石こうボード等の耐火板による耐火被覆層、あるいは、ロックウールとセメントとを混ぜ合わせた耐火被覆材を金属質柱１０の表面に吹き付けて形成された耐火被覆層等により構成される。
尚、第１の耐火被覆部１１を石こうボード等の耐火板による耐火被覆層で構成した場合には、第１の耐火被覆部１１の表面には、表面仕上げ材を設けることが好ましいが、当該表面仕上げ材は設けなくても良い。 The first refractory coating 11 is a refractory coating layer of a refractory plate such as a gypsum board provided so as to cover the surface of the metal column 10, or a refractory coating material obtained by mixing rock wool and cement. It is composed of a refractory coating layer or the like formed by spraying onto the surface of the mass column 10 .
When the first fireproof coating 11 is composed of a fireproof coating layer of a fireproof board such as a gypsum board, it is preferable to provide a surface finishing material on the surface of the first fireproof coating 11. No surface finishing material is required.

第２の構造部材２は、第２の荷重支持部としての木質梁２０と、当該木質梁２０の表面に設けられた第２の耐火被覆部２１とを備えた構成とした。 The second structural member 2 includes a wooden beam 20 as a second load bearing portion and a second fireproof coating 21 provided on the surface of the wooden beam 20 .

木質梁２０は、例えば、ＣＬＴ（Cross Laminated Timber（直交集成板））又は集成材又はＬＶＬ（Laminated Veneer Lumber（単層積層材））又は無垢材等の木により形成された梁である。
尚、ＣＬＴとは、農林水産省告示第３０７９号に規定されたように、「ひき板又は小角材（これらをその繊維方向を互いにほぼ平行にして長さ方向に接合接着して調整したものを含む。）をその繊維方向を互いにほぼ平行にして幅方向に並べ又は接着したものを、主としてその繊維方向を互いにほぼ直角にして積層接着し３層以上の構造を持たせた一般材」である。
即ち、ＣＬＴは、一般に、張り合わせる板の繊維方向が直交するように複数の板を張り合わせて構成された木材であり、直交集成板と呼ばれている。
また、集成材は、一般に、張り合わせる板の繊維方向が並行方向となるように複数の板を張り合わせて構成された木材である。
また、ＬＶＬは、一般に、複数の単板（ベニヤ）を、単板の繊維方向に平行に積層して接着した木材である。 The wooden beam 20 is, for example, a beam made of wood such as CLT (Cross Laminated Timber), laminated wood, LVL (Laminated Veneer Lumber), or solid wood.
CLT, as stipulated in Notification No. 3079 of the Ministry of Agriculture, Forestry and Fisheries, is defined as "a sawn board or small square lumber (these are adjusted by joining and bonding them in the length direction with their fiber directions almost parallel to each other. ) are arranged or bonded in the width direction with their fiber directions almost parallel to each other, and laminated and bonded mainly with their fiber directions almost perpendicular to each other to give a structure of 3 or more layers. .
That is, CLT is generally a piece of wood composed of a plurality of boards bonded together so that the fiber directions of the bonded boards are orthogonal to each other, and is called a cross-laminated board.
Laminated lumber is generally a lumber made by bonding a plurality of boards such that the fiber directions of the boards are parallel to each other.
Also, LVL is generally a lumber made by laminating and bonding a plurality of veneers in parallel to the fiber direction of the veneers.

木質梁２０は、伝熱抑制部材４の上に載置される梁端部２０ｅの下面に、１つ以上の凹部２６が形成された構成となっている。
また、木質梁２０は、梁の上面２５から上方に突出するように、上階の床スラブＦとの接合のための棒状の接合軸材６としての例えばラグスクリューボルトを備える。当該接合軸材６は、木質梁２０の延長方向に沿って所定の間隔を隔てて複数設けられている。
そして、木質梁２０の上面２５の上には、上階の床スラブＦが形成される。 The wooden beam 20 is configured such that one or more recesses 26 are formed in the lower surface of the beam end portion 20 e placed on the heat transfer suppressing member 4 .
Moreover, the wooden beam 20 is provided with, for example, a lag screw bolt as a rod-shaped joining shaft member 6 for joining with the floor slab F of the upper floor so as to protrude upward from the upper surface 25 of the beam. A plurality of joint shaft members 6 are provided at predetermined intervals along the extending direction of the wooden beam 20 .
A floor slab F for the upper floor is formed on the upper surface 25 of the wooden beam 20 .

第２の耐火被覆部２１は、木質梁２０の両方の側面２２，２２と下面２３と梁端面２４とを覆う耐火被覆層により構成される。
当該第２の耐火被覆部２１は、例えば一層以上の石こうボード等の耐火部材により構成すればよい。
当該第２の耐火被覆部２１は、具体的には、例えば、石こうボードと石こうボードとの間に断熱性（耐火性）を有した板（以下、耐熱耐火パネルという）を設けた積層構造の耐火被覆層とした。即ち、木質梁２０の互いに対向する両方の梁側面２２，２２、木質梁２０の下面２３、及び、木質梁２０の梁端面２４，２４に、所定厚さの石こうボードを取付けた１層目の被覆層を形成するとともに、当該１層目の被覆層の表面に断熱耐火パネルを取付けた２層目の被覆層を形成し、当該２層目の被覆層の表面に所定厚さの石こうボードを取付けた３層目の被覆層を形成した耐火被覆構造、つまり、３層構造の耐火被覆層により構成された耐火被覆部とした。
尚、第２の耐火被覆部２１の表面には、表面仕上げ材を設けることが好ましいが、表面仕上げ材は設けなくても良い。
また、第２の耐火被覆部２１は、必ずしも３層構造である必要はなく、２層構造、単層構造、多層構造であってもかまわない。
即ち、第２の耐火被覆部２１を、石こうボードを含む１層以上の耐火被覆層により構成したことにより、耐火性能、施工性を向上できる。 The second fireproof coating portion 21 is composed of a fireproof coating layer covering both side surfaces 22 , 22 , the lower surface 23 and the beam end surface 24 of the wooden beam 20 .
The second fireproof coating 21 may be composed of, for example, one or more layers of a fireproof member such as a gypsum board.
Specifically, the second fireproof coating 21 is, for example, a laminated structure in which a plate having heat insulation (fire resistance) (hereinafter referred to as a heat-resistant and fire-resistant panel) is provided between gypsum boards. A refractory coating layer was formed. That is, the first layer is formed by attaching gypsum boards of a predetermined thickness to both beam side surfaces 22, 22 of the wooden beam 20 facing each other, the lower surface 23 of the wooden beam 20, and the beam end surfaces 24, 24 of the wooden beam 20. Along with forming a coating layer, a second coating layer is formed by attaching a heat insulating and fireproof panel to the surface of the first coating layer, and a gypsum board having a predetermined thickness is formed on the surface of the second coating layer. A fire-resistant coating structure in which the attached third coating layer was formed, that is, a fire-resistant coating portion constituted by three-layered fire-resistant coating layers.
Although it is preferable to provide a surface finishing material on the surface of the second fireproof coating 21, it is not necessary to provide the surface finishing material.
Moreover, the second fireproof coating 21 does not necessarily have to have a three-layer structure, and may have a two-layer structure, a single-layer structure, or a multi-layer structure.
That is, by configuring the second fire-resistant coating part 21 with one or more fire-resistant coating layers including a gypsum board, fire-resistant performance and workability can be improved.

載置部３及び伝熱抑制部材４は、金属質柱１０から木質梁２０に力を伝達するとともに、木質梁２０から金属質柱１０に力を伝達する材料により形成されている。 The mounting portion 3 and the heat transfer suppressing member 4 are made of a material that transmits force from the metallic column 10 to the wooden beam 20 and transmits force from the wooden beam 20 to the metallic column 10 .

また、伝熱抑制部材４は、金属質柱１０から木質梁２０への熱の伝達を抑制するとともに、木質梁２０から金属質柱１０への熱の伝達を抑制する材料により形成されている。 The heat transfer suppressing member 4 is made of a material that suppresses heat transfer from the metal column 10 to the wooden beam 20 and suppresses heat transfer from the wooden beam 20 to the metal column 10 .

載置部３は、力を伝達する材料である、例えば、鋼等の金属で形成されて、溶接、又は、ボルト等の固定手段により金属質柱１０の一側面１２に固定されることによって、伝熱抑制部材４の載せ台として機能する板（プレート）により構成される。
尚、金属質柱１０の一側面１２とは、木質梁２０の梁端面２４と対向する面である。
載置部３は、例えば、図２，図３に示すように、矩形状の板面を有した所定厚さの板により形成され、矩形の一側縁３２（例えば一方の長辺側縁）と金属質柱１０の一側面１２とが固定手段により固定される。当該載置部３が金属質柱１０の一側面１２に固定された状態で当該載置部３の載置面３０を形成する上面には１つ以上の凸部３１が形成されている。
載置部３は、補強支持手段により支持された構成とすることが好ましい。
当該補強支持手段は、例えば、当該載置部３を下から支える鋼等の金属で形成された板状の支持体５により構成される。当該支持体５は、１つ以上設けられていれば良い。例えば、当該支持体５、金属質柱１０の一側面１２に固定された載置部３を形成する板の少なくとも幅方向（長手方向に沿った幅方向（木質梁２０の梁幅方向に対応した幅方向））の両端側を下から支えることができるように、２つ設けるようにすればよい（尚、当該支持体５を１つだけ設ける場合は、載置部３を形成する板の幅方向の中央側を支持するような１つの支持体５を設ければよい）。
当該支持体５は、例えば図３に示すように、直角部５０を有した台形状板、又は、直角三角形状板等の板により構成され、板の直角部５０を介して互いに直交する辺縁のうちの一方の辺縁側が一方側固定部５１として機能し、他方の辺縁側が他方側固定部５２として機能するように構成される。そして、当該一方側固定部５１と金属質柱１０の一側面１２とが固定手段により固定されるとともに、他方側固定部５２と載置部３の下面３４とが固定手段により固定される。当該支持体５が例えば台形状板により形成される場合、台形の下底により形成される一方側固定部５１と金属質柱１０の一側面１２と固定され、かつ、台形の一方の脚により形成される他方側固定部５２と載置部３の下面３４とが固定される。
尚、固定手段としては、例えば、溶接、又は、ボルト等を用いればよい。 The mounting portion 3 is made of a material that transmits force, for example, a metal such as steel, and is fixed to one side surface 12 of the metallic column 10 by welding or fixing means such as bolts. It is composed of a plate that functions as a mounting base for the heat transfer suppressing member 4 .
The one side surface 12 of the metal column 10 is a surface facing the beam end surface 24 of the wooden beam 20 .
For example, as shown in FIGS. 2 and 3, the mounting portion 3 is formed of a plate having a rectangular plate surface and a predetermined thickness. and one side surface 12 of the metallic column 10 are fixed by fixing means. One or more projections 31 are formed on the upper surface forming the mounting surface 30 of the mounting portion 3 in a state where the mounting portion 3 is fixed to one side surface 12 of the metallic column 10 .
The mounting portion 3 is preferably configured to be supported by reinforcing support means.
The reinforcing support means is composed of, for example, a plate-like support 5 made of a metal such as steel that supports the mounting portion 3 from below. One or more supporting bodies 5 may be provided. For example, at least the width direction (the width direction along the longitudinal direction (the width direction corresponding to the beam width direction of the wooden beam 20) of the support 5 and the plate forming the mounting portion 3 fixed to one side surface 12 of the metal column 10 width direction)) can be supported from below (when only one support 5 is provided, the width of the plate forming the mounting portion 3 One support 5 may be provided to support the central side of the direction).
The support 5 is composed of a plate such as a trapezoidal plate having a right-angled portion 50 or a right-angled triangular plate, as shown in FIG. One edge side of them functions as the one side fixing portion 51 and the other edge side functions as the other side fixing portion 52 . The one side fixing portion 51 and the one side surface 12 of the metallic column 10 are fixed by fixing means, and the other side fixing portion 52 and the lower surface 34 of the mounting portion 3 are fixed by the fixing means. When the support 5 is formed of, for example, a trapezoidal plate, it is fixed to one side fixing portion 51 formed by the lower base of the trapezoid and one side surface 12 of the metal column 10, and is formed by one leg of the trapezoid. The other side fixing portion 52 and the lower surface 34 of the mounting portion 3 are fixed.
As the fixing means, for example, welding or bolts may be used.

伝熱抑制部材４は、力を伝達するとともに熱の伝達を抑制する材料である、例えばコンクリートにより形成されたコンクリートブロックにより構成される。
伝熱抑制部材４は、下面に、載置部３の載置面（上面）３０に形成された凸部３１と係合する１つ以上の凹部４２が形成された構成となっている。
伝熱抑制部材４は、上面に、伝熱抑制部材４の上に載置される木質梁２０の梁端部２０ｅの下面に形成された凹部２６と係合する１つ以上の凸部４１が形成された構成となっている。 The heat transfer suppressing member 4 is composed of a concrete block made of, for example, concrete, which is a material that transmits force and suppresses heat transfer.
The heat transfer suppressing member 4 is configured such that one or more concave portions 42 that engage with the convex portions 31 formed on the mounting surface (upper surface) 30 of the mounting portion 3 are formed on the lower surface.
The heat transfer suppressing member 4 has, on its upper surface, one or more protrusions 41 that engage with the recesses 26 formed on the lower surface of the beam end 20e of the wooden beam 20 placed on the heat transfer suppressing member 4. It has a formed configuration.

尚、伝熱抑制部材４を構成するコンクリートブロックは、例えば直方体の一面により形成された上面に凸部４１を備えるととともに、上面と対向する下面に凹部４２を備えて、上面の大きさが、木質梁２０の梁端部２０ｅの下面の大きさに対応した大きさに形成された構成とすることが好ましい。
また、載置部３の載置面３０は、伝熱抑制部材４を構成するコンクリートブロックの下面よりも大きい大きさに形成された構成とすることが好ましい。 The concrete block constituting the heat transfer suppressing member 4 has, for example, a convex portion 41 on the upper surface formed by one surface of a rectangular parallelepiped, and a concave portion 42 on the lower surface facing the upper surface. It is preferable that the wooden beam 20 is formed to have a size corresponding to the size of the lower surface of the beam end portion 20 e of the wooden beam 20 .
Moreover, it is preferable that the mounting surface 30 of the mounting portion 3 is formed to have a size larger than the lower surface of the concrete block forming the heat transfer suppressing member 4 .

即ち、実施形態１に係る構造部材の接続部構造によれば、載置部３の載置面３０に形成された凸部３１と伝熱抑制部材４の下面に形成された凹部４２とが係合状態となるように、伝熱抑制部材４の下面が載置部３の載置面３０に載置され、かつ、伝熱抑制部材４の上面に形成された凸部４１と木質梁２０の梁端部２０ｅの下面に形成された凹部２６とが係合状態となるように、木質梁２０の梁端部２０ｅが伝熱抑制部材４の上面に載置されたことにより、載置部３及び伝熱抑制部材４が、金属質柱１０から木質梁２０にせん断力等の力を伝達するとともに、木質梁２０から金属質柱１０にせん断力等の力を伝達するように構成され、かつ、伝熱抑制部材４が、金属質柱１０から木質梁２０への熱の伝達を抑制するとともに、木質梁２０から金属質柱１０への熱の伝達を抑制するように構成される。 That is, according to the connecting portion structure of the structural member according to the first embodiment, the convex portion 31 formed on the mounting surface 30 of the mounting portion 3 and the concave portion 42 formed on the lower surface of the heat transfer suppressing member 4 are engaged with each other. The lower surface of the heat transfer suppressing member 4 is mounted on the mounting surface 30 of the mounting portion 3 so as to be in a mating state, and the convex portion 41 formed on the upper surface of the heat transfer suppressing member 4 and the wooden beam 20 are aligned. By placing the beam end portion 20e of the wooden beam 20 on the upper surface of the heat transfer suppressing member 4 so as to engage with the concave portion 26 formed on the lower surface of the beam end portion 20e, the placing portion 3 and the heat transfer suppressing member 4 is configured to transmit a force such as a shearing force from the metal column 10 to the wooden beam 20 and transmit a force such as a shearing force from the wooden beam 20 to the metal column 10, and , the heat transfer suppressing member 4 is configured to suppress heat transfer from the metal column 10 to the wooden beam 20 and to suppress heat transfer from the wooden beam 20 to the metal column 10 .

以上説明した構成の接続部構造の施工手順の一例について説明する。
まず、載置部３の一側縁３２と金属質柱１０の一側面１２とを溶接等で接続することにより、載置部３を金属質柱１０に固定する。
次に、支持体５の一方側固定部５１と金属質柱１０の一側面１２とを溶接等で接続するとともに、支持体５の他方側固定部５２と載置部３の下面３４とを溶接等で接続する。
そして、載置部３の載置面３０の凸部３１，３１…と伝熱抑制部材４の下面の凹部４２，４２…とが係合するように、載置部３の載置面３０に伝熱抑制部材４を載置する。
さらに、複数の接合軸材６，６…が上面２５から上方に突出するように作製された木質梁２０の梁端部２０ｅの下面の凹部２６，２６…と伝熱抑制部材４の上面の凸部４１，４１…とが係合するように、伝熱抑制部材４の上に木質梁２０の梁端部２０ｅを載置する。
次に、上階の床スラブＦを形成するための図外のコンクリート打設用の型枠を設置して、当該型枠の上、及び、木質梁２０の上にコンクリートを打設することにより、上階の床スラブＦを形成する。
従って、木質梁２０の上面２５から上方に突出するように設けられた接合軸材６により、木質梁２０と上階の床スラブＦとが接合される。
そして、金属質柱１０の露出した表面に第１の耐火被覆部１１を形成するとともに、木質梁２０の露出した表面（梁側面２２，２２、下面２３、及び、梁端面２４，２４）に、第２の耐火被覆部２１を形成する。
尚、上述した施工手順の順番は、あくまでも一例であり、施工手順は上述した順番でなくとも構わない。
例えば、載置部３及び支持体５を金属質柱１０の一側面１２に固定した後に、金属質柱１０の表面に第１の耐火被覆部１１を形成し、その後、載置部３の載置面３０に伝熱抑制部材４を載置する。そして、木質梁２０の表面に第２の耐火被覆部２１が設けれて形成された第２の構造部材２の梁端部２０ｅを伝熱抑制部材４の上に載置し、その後、上階の床スラブＦを形成するようにしてもよい。 An example of the construction procedure of the connection structure having the configuration described above will be described.
First, the mounting portion 3 is fixed to the metallic column 10 by connecting one side edge 32 of the mounting portion 3 and one side surface 12 of the metallic column 10 by welding or the like.
Next, the fixed portion 51 on one side of the support 5 and the side surface 12 of the metallic column 10 are connected by welding or the like, and the fixed portion 52 on the other side of the support 5 and the lower surface 34 of the mounting portion 3 are welded together. etc. to connect.
. . of the mounting surface 30 of the mounting portion 3 and the concave portions 42, 42 . A heat transfer suppressing member 4 is placed.
Furthermore, recessed portions 26, 26, . The beam end portion 20e of the wooden beam 20 is placed on the heat transfer suppressing member 4 so that the portions 41, 41 .
Next, a concrete casting form (not shown) for forming the floor slab F of the upper floor is installed, and concrete is poured on the form and on the wooden beams 20. , forming the floor slab F of the upper floor.
Therefore, the wooden beam 20 and the floor slab F of the upper floor are joined by the joining shaft member 6 provided so as to protrude upward from the upper surface 25 of the wooden beam 20 .
Then, the first fireproof coating 11 is formed on the exposed surface of the metal column 10, and the exposed surfaces of the wooden beam 20 (beam side surfaces 22, 22, lower surface 23, and beam end surfaces 24, 24) are: A second refractory coating 21 is formed.
It should be noted that the order of the construction procedures described above is merely an example, and the construction procedures do not have to be in the order described above.
For example, after fixing the mounting portion 3 and the support 5 to one side surface 12 of the metallic column 10, the first fireproof coating portion 11 is formed on the surface of the metallic column 10, and then the mounting portion 3 is mounted. The heat transfer suppressing member 4 is placed on the placement surface 30 . Then, the beam end portion 20e of the second structural member 2 formed by providing the second fireproof coating portion 21 on the surface of the wooden beam 20 is placed on the heat transfer suppressing member 4, and then You may make it form the floor slab F of .

以上により、伝熱抑制部材４及び載置部３が、第１の荷重支持部である金属質柱１０から第２の荷重支持部である木質梁２０に力を伝達するとともに、木質梁２０から金属質柱１０に力を伝達するように構成されるとともに、伝熱抑制部材４が、金属質柱１０から木質梁２０への熱の伝達を抑制するとともに、木質梁２０から金属質柱１０への熱の伝達を抑制することができる金属質柱１０と木質梁２０との接続部構造が構成される。 As described above, the heat transfer suppressing member 4 and the mounting portion 3 transmit force from the metal column 10, which is the first load supporting portion, to the wooden beam 20, which is the second load supporting portion. The heat transfer suppressing member 4 is configured to transmit force to the metallic column 10 and suppresses heat transfer from the metallic column 10 to the wooden beam 20 and from the wooden beam 20 to the metallic column 10. A joint structure between the metal column 10 and the wooden beam 20 is constructed, which can suppress the transfer of heat.

実施形態１に係る接続部構造によれば、金属質柱１０から木質梁２０への熱の伝達を抑制するとともに、木質梁２０から金属質柱１０への熱の伝達を抑制する材料により形成された伝熱抑制部材４としてのコンクリートブロックを、金属質柱１０に固定された載置部３の載置面３０に載置し、かつ、木質梁２０の梁端部２０ｅを当該コンクリートブロックの上に載置した接続部構造とした。
即ち、実施形態１に係る接続部構造によれば、伝熱抑制部材４としてのコンクリートブロックを、金属質柱１０に固定された載置部３の載置面３０に載置するだけなので、特許文献１に開示された接合構造のように、重量物であるコンクリートブロックを支えながら金属質柱１０に固定する作業を不要とでき、金属質柱１０と木質梁２０との間の熱伝達を抑制するように構成される接続部構造の施工を容易に行える。
また、木質梁２０の梁端部２０ｅをコンクリートブロックの上に載置するだけなので、施工を容易に行える。
即ち、金属質柱１０から木質梁２０にせん断力等の力を伝達できるとともに、木質梁２０から金属質柱１０にせん断力等の力を伝達でき、しかも、金属質柱１０から木質梁２０への熱の伝達を抑制できるとともに、木質梁２０から金属質柱１０への熱の伝達を抑制できる構造部材の接続部構造を容易に提供できる。
つまり、実施形態１によれば、金属質柱１０と木質梁２０との間でせん断力等の力を伝達でき、かつ、金属質柱１０と木質梁２０との間の熱伝達を抑制するように構成される構造部材の接続部構造において、施工性を向上させた構造部材の接続部構造を提供できるようになった。
また、第１の耐火被覆部１１を備えるので、金属質柱１０の耐火性能を向上でき、また、第２の耐火被覆部２１を備えるので、木質梁２０の耐火性能を向上できる。 According to the connecting portion structure according to the first embodiment, the joint structure is formed of a material that suppresses heat transfer from the metal pillar 10 to the wooden beam 20 and suppresses heat transfer from the wooden beam 20 to the metal pillar 10 . The concrete block as the heat transfer suppressing member 4 is placed on the mounting surface 30 of the mounting portion 3 fixed to the metal column 10, and the beam end portion 20e of the wooden beam 20 is placed on the concrete block. The connection part structure was placed on the
That is, according to the connecting portion structure according to the first embodiment, the concrete block as the heat transfer suppressing member 4 is simply placed on the mounting surface 30 of the mounting portion 3 fixed to the metallic column 10. Unlike the joint structure disclosed in Document 1, it is possible to eliminate the work of fixing a heavy concrete block to the metal column 10 while supporting it, and suppress heat transfer between the metal column 10 and the wooden beam 20. It is possible to easily construct the connecting part structure configured to.
Moreover, since the beam ends 20e of the wooden beams 20 are simply placed on the concrete blocks, construction can be easily performed.
That is, a force such as a shear force can be transmitted from the metal column 10 to the wooden beam 20, a force such as a shear force can be transmitted from the wooden beam 20 to the metal column 10, and moreover, from the metal column 10 to the wooden beam 20. It is possible to easily provide a joint structure of structural members capable of suppressing heat transfer from the wooden beams 20 to the metal columns 10 .
That is, according to the first embodiment, a force such as a shearing force can be transmitted between the metal column 10 and the wooden beam 20, and heat transfer between the metal column 10 and the wooden beam 20 can be suppressed. In the joint structure of the structural member configured in 1, it has become possible to provide the joint structure of the structural member with improved workability.
Moreover, since the first fireproof coating 11 is provided, the fireproof performance of the metal column 10 can be improved, and since the second fireproof cover 21 is provided, the fireproof performance of the wooden beam 20 can be improved.

また、図２，図３に示すように、実施形態１に係る接続部構造においては、金属質柱１０の一側面１２に設けられた第１の耐火被覆部１１と木質梁２０の梁端面２４に設けられた第２の耐火被覆部２１との間に空間Ｓ１を設けた構成としたことにより、金属質柱１０から木質梁２０への熱の伝達、及び、木質梁２０から金属質柱１０への熱の伝達を、空間Ｓ１を介して、より効果的に抑制できるようになる。
また、図２，図３に示すように、実施形態１に係る接続部構造においては、金属質柱１０の一側面１２に設けられた第１の耐火被覆部１１と伝熱抑制部材４との間に空間Ｓ２を設けた構成としたことにより、金属質柱１０から木質梁２０への熱の伝達、及び、木質梁２０から金属質柱１０への熱の伝達を、空間Ｓ２を介して、より効果的に抑制できるようになる。
尚、空間Ｓ１，空間Ｓ２は、必ずしも形成する必要はない。即ち、金属質柱１０の一側面１２に設けられた第１の耐火被覆部１１と木質梁２０の梁端面２４に設けられた第２の耐火被覆部２１とを接触させた構成としてもよいし、また、金属質柱１０の一側面１２に設けられた第１の耐火被覆部１１と伝熱抑制部材４とを接触させた構成としてもよい。 In addition, as shown in FIGS. 2 and 3, in the joint structure according to the first embodiment, the first fireproof coating 11 provided on one side surface 12 of the metal column 10 and the beam end surface 24 of the wooden beam 20 The space S1 is provided between the metal column 10 and the second fireproof coating 21 provided in the second fireproof coating portion 21 provided in the second fireproof coating portion 21, so that heat can be transferred from the metal column 10 to the wooden beam 20 and from the wooden beam 20 to the metal column 10. can be more effectively suppressed via the space S1.
Further, as shown in FIGS. 2 and 3, in the connection structure according to the first embodiment, the first fireproof coating 11 provided on one side surface 12 of the metallic column 10 and the heat transfer suppressing member 4 By providing the space S2 in between, the heat transfer from the metal pillar 10 to the wooden beam 20 and the heat transfer from the wooden beam 20 to the metal pillar 10 can be performed via the space S2. can be suppressed more effectively.
Note that the space S1 and the space S2 do not necessarily need to be formed. That is, the first fireproof coating 11 provided on one side surface 12 of the metal column 10 and the second fireproof coating 21 provided on the beam end surface 24 of the wooden beam 20 may be in contact with each other. Alternatively, the first refractory coating 11 provided on one side surface 12 of the metallic column 10 and the heat transfer suppressing member 4 may be in contact with each other.

実施形態１では、第１の荷重支持部としての金属質柱１０と第２の荷重支持部としての木質梁２０との接続部構造を例示したが、後述する実施形態２や実施形態３のように、例えば金属質柱１０に接合された第１の荷重支持部としての金属質梁７と第２の荷重支持部としての木質梁２０とを接続する接続部構造においても、実施形態１と同様に構成できる。
尚、実施形態２を説明する図４、及び、実施形態３を説明する図５において、実施形態１の図１乃至図３に示した部分と同一又は相当部分には同一符号を付し、その詳細な説明を省略する。 In Embodiment 1, the connecting portion structure between the metallic column 10 as the first load supporting portion and the wooden beam 20 as the second load supporting portion was exemplified. In addition, for example, in the connection structure for connecting the metal beam 7 as the first load support part joined to the metal column 10 and the wooden beam 20 as the second load support part, the same as in the first embodiment. can be configured to
4 for explaining the second embodiment and FIG. 5 for explaining the third embodiment, the same reference numerals are given to the same or corresponding parts as those shown in FIGS. Detailed description is omitted.

実施形態２
実施形態２では、例えば、図４に示すように、金属質梁７と載置部３とを固定するとともに、金属質梁７の下に補強体８を設けて、載置部３を支持する１つ以上の支持体５を当該補強体８に固定した構成とした。
金属質梁７は、例えばウェブ７ａの上下にフランジ７ｂ，７ｃを備えたＨ形鋼を用い、補強体８は、例えばウェブ８ａの上下にフランジ８ｂ，８ｃを備えたＨ形鋼を用いた。
当該実施形態２では、金属質梁７の下側のフランジ７ｃの下面と補強体８の上側のフランジ８ｂの上面とが接触するように金属質梁７と補強体８とが固定手段を介して固定された構成とした。
そして、金属質梁７の下側のフランジ７ｃにおいて、補強体８の木質梁２０側に位置される側の側縁７ｄと載置部３の一側縁３２とが固定手段を介して固定されて、載置部３を構成する板の材軸と金属質梁７の下側のフランジ７ｃの材軸とが同一平面（例えば同一水平面）上に位置されるように構成される。
当該載置部３を支持する支持体５は、一方側固定部５１が、補強体８の木質梁２０側に位置される側の、上側のフランジ８ｂの下面、下側のフランジ８ｃの上面、これら下面及び上面に連続するウェブ８ａの一方の面とに固定手段を介して固定される辺縁により形成され、かつ、他方側固定部５２が、載置部３の下面３４に固定手段を介して固定される辺縁により形成された構成のものを用いればよい。
尚、図４では、金属質梁７の下側のフランジ７ｃの側縁７ｄに固定された載置部３を形成する板の少なくとも幅方向の中央側を、１つの支持体５を用いて、下から支える構成を例示した。
この場合、支持体５の上方に位置される金属質梁７の木質梁２０側の、上側のフランジ７ｂの下面、下側のフランジ７ｃの上面、これら下面及び上面に連続するウェブ７ａの一方の面とに固定手段を介して固定される補強プレート７１を設けることが好ましい。
また、支持体５の上方に位置される金属質梁７の木質梁２０側とは反対側の、上側のフランジ７ｂの下面、下側のフランジ７ｃの上面、これら下面及び上面に連続するウェブ７ａの他方の面とに固定手段を介して固定される補強プレート７２を設けることが好ましい。
さらに、補強体８の木質梁２０側とは反対側の、上側のフランジ８ｂの下面、下側のフランジ８ｃの上面、これら下面及び上面に連続するウェブ８ａの他方の面とに固定手段を介して固定される補強プレート８１を設けることが好ましい。 Embodiment 2
In the second embodiment, for example, as shown in FIG. 4, the metallic beam 7 and the mounting portion 3 are fixed, and a reinforcing member 8 is provided under the metallic beam 7 to support the mounting portion 3. One or more supports 5 are fixed to the reinforcement 8 .
The metallic beam 7 is made of H-section steel having flanges 7b and 7c on the upper and lower sides of the web 7a, and the reinforcing member 8 is made of H-section steel with flanges 8b and 8c on the upper and lower sides of the web 8a.
In the second embodiment, the metallic beam 7 and the reinforcing member 8 are fixed together by fixing means so that the lower surface of the lower flange 7c of the metallic beam 7 and the upper surface of the upper flange 8b of the reinforcing member 8 are in contact with each other. It has a fixed configuration.
Then, in the lower flange 7c of the metal beam 7, the side edge 7d of the reinforcing body 8 located on the side of the wooden beam 20 and the one side edge 32 of the mounting portion 3 are fixed via fixing means. The material axis of the plate forming the mounting portion 3 and the material axis of the lower flange 7c of the metallic beam 7 are configured to be positioned on the same plane (for example, the same horizontal plane).
The support body 5 that supports the mounting part 3 has a lower surface of the upper flange 8b, an upper surface of the lower flange 8c, The other side fixing portion 52 is formed by a peripheral edge fixed via a fixing means to one surface of the web 8a continuous to the lower surface and the upper surface, and the other side fixing portion 52 is attached to the lower surface 34 of the mounting portion 3 via a fixing means. It is possible to use a configuration formed by a peripheral edge that is fixed by
In FIG. 4, at least the central side in the width direction of the plate forming the mounting portion 3 fixed to the side edge 7d of the flange 7c on the lower side of the metal beam 7 is supported by one support 5. The structure supported from the bottom was illustrated.
In this case, the lower surface of the upper flange 7b, the upper surface of the lower flange 7c, the upper surface of the lower flange 7c, and one of the webs 7a continuous to the lower surface and the upper surface on the wooden beam 20 side of the metal beam 7 positioned above the support 5. It is preferable to provide a reinforcing plate 71 fixed to the surface through fixing means.
In addition, the lower surface of the upper flange 7b, the upper surface of the lower flange 7c, and the web 7a continuous with these lower surfaces and the upper surface, which are opposite to the wooden beam 20 side of the metal beam 7 positioned above the support 5. It is preferable to provide a reinforcing plate 72 that is fixed to the other surface of the plate through fixing means.
Furthermore, fixing means is provided to the lower surface of the upper flange 8b, the upper surface of the lower flange 8c, and the other surface of the web 8a continuous to the lower surface and the upper surface on the side opposite to the wooden beam 20 side of the reinforcing body 8. Preferably, a reinforcing plate 81 is provided which is secured to the base.

実施形態３
図５に示すような、金属質柱１０に接合された第１の荷重支持部としての金属質梁７と第２の荷重支持部としての木質梁２０とを接続する接続部構造を構成してもよい。
当該実施形態３では、例えば、金属質梁７は、実施形態２と同様に、ウェブ７ａの上下にフランジ７ｂ，７ｃを備えたＨ形鋼を用い、図５に示すように、金属質梁７のウェブ７ａの木質梁２０側の一方の面と載置部３の一側縁３２とが固定手段を介して固定され、かつ、当該載置部３を支持する１つ以上の支持体５を設けた構成とした。
また、金属質梁７のウェブ７ａの木質梁２０側とは反対側の他方の面と補強板３５の一側縁とが固定手段を介して固定されている。
そして、載置部３を構成する板の材軸と補強板３５の板の材軸とが同一平面（例えば同一水平面）上に位置されるように構成される。
支持体５は、一方側固定部５１が、金属質梁７のウェブ７ａの木質梁２０側の一方の面及び当該一方の面と連続する下側のフランジ７ｃの上面に固定手段を介して固定される辺縁により形成され、かつ、他方側固定部５２が、載置部３の下面３４に固定手段を介して固定される辺縁により形成された構成のものを用いればよい。
尚、図５では、金属質梁７のウェブ７ａに固定された載置部３を形成する板の少なくとも幅方向の中央側を、１つの支持体５を用いて、下から支える構成を例示した。
この場合、支持体５の上方に位置される金属質梁７の木質梁２０側の、上側のフランジ７ｂの下面と当該下面に連続するウェブ７ａの一方の面と当該一方の面に連続する載置部３の上面とに固定手段を介して固定される補強プレート７３を設けることが好ましい。
また、支持体５の上方に位置される金属質梁７の木質梁２０側とは反対側の、上側のフランジ７ｂの下面と当該下面に連続するウェブ７ａの他方の面と当該他方の面に連続する補強板３５の上面とに固定手段を介して固定される補強プレート７４を設けることが好ましい。
また、金属質梁７のウェブ７ａの木質梁２０側とは反対側の他方の面と当該他方の面と連続する補強板３５の下面及び下側のフランジ７ｃの上面とに、固定手段を介して固定される補強プレート７５を設けることが好ましい。 Embodiment 3
As shown in FIG. 5, a connecting portion structure connecting a metallic beam 7 as a first load supporting portion joined to a metallic column 10 and a wooden beam 20 as a second load supporting portion is constructed. good too.
In the third embodiment, for example, the metallic beam 7 is made of H-shaped steel having flanges 7b and 7c on the upper and lower sides of the web 7a as in the second embodiment, and as shown in FIG. One surface of the web 7a on the side of the wooden beam 20 and one side edge 32 of the mounting portion 3 are fixed via fixing means, and one or more supports 5 for supporting the mounting portion 3 are provided. It was set up as a configuration.
Further, the other side of the web 7a of the metal beam 7 opposite to the side of the wooden beam 20 and one side edge of the reinforcing plate 35 are fixed via fixing means.
Further, the material axis of the plate forming the mounting portion 3 and the material axis of the reinforcing plate 35 are configured to be positioned on the same plane (for example, the same horizontal plane).
One side fixing portion 51 of the support 5 is fixed to one surface of the web 7a of the metal beam 7 on the side of the wooden beam 20 and to the upper surface of the lower flange 7c continuous with the one surface via a fixing means. and the other side fixing portion 52 is formed by a side edge fixed to the lower surface 34 of the mounting portion 3 via fixing means.
5 illustrates a configuration in which at least the central side in the width direction of the plate forming the mounting portion 3 fixed to the web 7a of the metallic beam 7 is supported from below using one support 5. .
In this case, on the wooden beam 20 side of the metal beam 7 positioned above the support 5, one surface of the upper flange 7b on the side of the wood beam 20 and one surface of the web 7a continuing to the lower surface and one surface continuing to the one surface It is preferable to provide a reinforcing plate 73 fixed to the upper surface of the placing portion 3 via fixing means.
In addition, on the side opposite to the wooden beam 20 side of the metal beam 7 positioned above the support 5, the lower surface of the upper flange 7b and the other surface of the web 7a continuing to the lower surface and the other surface of the web 7a It is preferable to provide a reinforcing plate 74 fixed to the upper surface of the continuous reinforcing plate 35 via fixing means.
In addition, the fixing means is used to attach the other surface of the metal beam 7 opposite to the wooden beam 20 side of the web 7a, the lower surface of the reinforcing plate 35 which is continuous with the other surface, and the upper surface of the lower flange 7c. Preferably, a stiffening plate 75 is provided which is secured to the base.

実施形態２においては、支持体５、補強プレート７１，７２，８１を構成する板の材軸が同一平面（例えば同一垂直面）上に位置されるように構成されることが好ましい。
尚、補強プレート７１，７２，８１は、設けることが好ましいが、必ずしも設けなくともよく、例えば、金属質梁７、補強体８の強度が十分である場合などは、設けなくともよい。
実施形態３においては、支持体５、補強プレート７３，７４，７５を構成する板の材軸が同一平面（例えば同一垂直面）上に位置されるように構成されることが好ましい。
尚、補強板３５、補強プレート７３，７４，７５は、設けることが好ましいが、必ずしも設けなくともよく、例えば、金属質梁７の強度が十分である場合などは、設けなくともよい。
また、実施形態２，３において、固定手段としては、例えば溶接、又は、ボルト等を用いればよい。
以上説明した実施形態２，３に係る第１の荷重支持部としての金属質梁７と第２の荷重支持部としての木質梁２０との接続部構造であっても、実施形態１と同様な効果が得られる。 In Embodiment 2, it is preferable that the material axes of the plates constituting the support 5 and the reinforcing plates 71, 72, 81 are positioned on the same plane (for example, the same vertical plane).
Although the reinforcing plates 71, 72, and 81 are preferably provided, they may not necessarily be provided.
In Embodiment 3, it is preferable that the material axes of the plates constituting the support 5 and the reinforcing plates 73, 74, 75 are positioned on the same plane (for example, the same vertical plane).
The reinforcing plate 35 and the reinforcing plates 73, 74, and 75 are preferably provided, but they do not have to be provided.
Moreover, in Embodiments 2 and 3, welding, bolts, or the like, for example, may be used as fixing means.
Even in the structure of the connecting portion between the metal beam 7 as the first load supporting portion and the wooden beam 20 as the second load supporting portion according to the second and third embodiments described above, the same structure as in the first embodiment is used. effect is obtained.

尚、載置部３の載置面３０に凹部を形成して、当該凹部に係合させる凸部を伝熱抑制部材４の下面に形成した構成としてもよい。
また、伝熱抑制部材４の上面に凹部を形成して、当該凹部に係合させる凸部を木質梁２０の梁端部２０ｅの下面に形成した構成としてもよい。
即ち、本発明においては、載置部３の載置面３０及び当該載置面３０に載置される伝熱抑制部材４の下面のうちの一方に凹部を有するとともに、載置部３の載置面３０及び当該載置面３０に載置される伝熱抑制部材４の下面のうちの他方に凸部を有して、これら凹部と凸部とが係合状態となるように、伝熱抑制部材４の下面が載置部３の載置面３０に載置された構成とし、かつ、伝熱抑制部材４の上面及び当該上面に載置される木質梁２０の梁端部２０ｅの下面のうちの一方に凹部を有するとともに、伝熱抑制部材４の上面及び当該上面に載置される木質梁２０の梁端部２０ｅの下面のうちの他方に凸部を有して、これら凹部と凸部とが係合状態となるように、木質梁２０の梁端部２０ｅの下面が伝熱抑制部材の上面に載置された構成とすればよい。 Alternatively, a concave portion may be formed on the mounting surface 30 of the mounting portion 3 , and a convex portion to be engaged with the concave portion may be formed on the lower surface of the heat transfer suppressing member 4 .
Alternatively, a concave portion may be formed on the upper surface of the heat transfer suppressing member 4 and a convex portion to be engaged with the concave portion may be formed on the lower surface of the beam end portion 20 e of the wooden beam 20 .
That is, in the present invention, one of the mounting surface 30 of the mounting portion 3 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 has a concave portion, and the mounting portion 3 has a concave portion. The other of the mounting surface 30 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 has a convex portion, and heat transfer is performed so that the concave portion and the convex portion are in an engaged state. The lower surface of the suppressing member 4 is placed on the placing surface 30 of the placing portion 3, and the upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 placed on the upper surface. one of which has a concave portion, and the other of the upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 placed on the upper surface has a convex portion. The lower surface of the beam end portion 20e of the wooden beam 20 may be placed on the upper surface of the heat transfer suppressing member so as to engage with the projection.

本発明での構成要素である、凹部、及び、凸部の形成は、例えば、型枠を用いて形成したり、あるいは、切削加工等で形成すればよい。
また、載置部３の載置面３０と当該載置面３０に載置される伝熱抑制部材４の下面とを凹凸係合させる構成、伝熱抑制部材４の上面と当該上面に載置される木質梁２０の梁端部２０ｅの下面とを凹凸係合させる構成としては、載置部３の載置面３０、当該載置面３０に載置される伝熱抑制部材４の下面、伝熱抑制部材４の上面、当該上面に載置される木質梁２０の梁端部２０ｅの下面に、それぞれ、小さな凸凹を形成した構成としてもよい。
即ち、載置部３の載置面３０、当該載置面３０に載置される伝熱抑制部材４の下面、伝熱抑制部材４の上面、当該上面に載置される木質梁２０の梁端部２０ｅの下面を、それぞれ、小さな凸凹を有した粗面に形成することにより、載置部３の載置面３０と当該載置面３０に載置される伝熱抑制部材４の下面とを凹凸係合させ、かつ、伝熱抑制部材４の上面と当該上面に載置される木質梁２０の梁端部２０ｅの下面とを凹凸係合させる構成とすればよい。 Concave portions and convex portions, which are constituent elements of the present invention, may be formed using, for example, a mold or by cutting or the like.
In addition, the mounting surface 30 of the mounting portion 3 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 are engaged in uneven engagement, and the upper surface of the heat transfer suppressing member 4 and the upper surface of the heat transfer suppressing member 4 are placed on the upper surface. As a configuration for engaging the lower surface of the beam end portion 20e of the wooden beam 20 to be unevenly engaged, the mounting surface 30 of the mounting portion 3, the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30, The upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 placed on the upper surface may be formed with small unevenness.
That is, the mounting surface 30 of the mounting portion 3, the lower surface of the heat transfer suppressing member 4 placed on the mounting surface 30, the upper surface of the heat transfer suppressing member 4, and the wooden beam 20 placed on the upper surface By forming the lower surface of the end portion 20e into a rough surface having small unevenness, the mounting surface 30 of the mounting portion 3 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 are formed. are engaged with each other, and the upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 placed on the upper surface are engaged with each other.

また、各実施形態においては、載置部３の載置面３０と当該載置面３０に載置される伝熱抑制部材４の下面とが凹凸係合し、かつ、伝熱抑制部材４の上面と当該上面に載置される木質梁２０の梁端部２０ｅの下面とが凹凸係合する構成を例示したが、当該凹凸係合の構成は無くてもよい。
即ち、凹凸を有しない載置部３の載置面３０と伝熱抑制部材４の下面とが面接触するように、伝熱抑制部材４を載置面３０に載置するとともに、凹凸を有しない伝熱抑制部材４の上面と木質梁２０の梁端部２０ｅの下面とが面接触するように、木質梁２０の梁端部２０ｅを伝熱抑制部材４の上面に載置するだけの構成としてもよい。この場合でも、上階の床スラブＦの荷重が木質梁２０を介して伝熱抑制部材４及び載置部３に加わるため、載置面３０と伝熱抑制部材４の下面との密着性、及び、伝熱抑制部材４の上面と木質梁２０の梁端部２０ｅの下面との密着性が維持されて、第１の荷重支持部としての金属質柱又は金属質梁と第２の荷重支持部としての木質梁とが伝熱抑制部材４及び載置部３により接続された状態となるからである。 Further, in each embodiment, the mounting surface 30 of the mounting portion 3 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 are engaged with each other in an uneven manner, and the heat transfer suppressing member 4 Although the configuration in which the upper surface and the lower surface of the beam end portion 20e of the wooden beam 20 placed on the upper surface engage with each other in an uneven manner is illustrated, the configuration for such uneven engagement may be omitted.
That is, the heat transfer suppressing member 4 is mounted on the mounting surface 30 so that the mounting surface 30 of the mounting portion 3 having no unevenness and the lower surface of the heat transfer suppressing member 4 are in surface contact with each other. The beam end portion 20e of the wooden beam 20 is simply placed on the upper surface of the heat transfer suppressing member 4 so that the upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 are in surface contact with each other. may be Even in this case, since the load of the floor slab F on the upper floor is applied to the heat transfer suppressing member 4 and the mounting portion 3 via the wooden beam 20, the adhesion between the mounting surface 30 and the lower surface of the heat transfer suppressing member 4, Further, the adhesion between the upper surface of the heat transfer suppressing member 4 and the lower surface of the beam end portion 20e of the wooden beam 20 is maintained, and the metallic column or metallic beam as the first load supporting portion and the second load supporting portion are arranged. This is because the wooden beam as the portion is connected to the heat transfer suppressing member 4 and the mounting portion 3 .

また、各実施形態では、第１の荷重支持部が金属質柱１０又は金属質梁であり、第２の荷重支持部が木質梁２０である場合を例にして説明したが、本発明の接続部構造は、第１の荷重支持部が木質柱又は木質梁であり、第２の荷重支持部が金属質梁である場合であっても適用可能である。
即ち、各実施形態では、第１の荷重支持部としての金属質柱１０又は金属質梁に固定された載置部３と、当該載置部３の載置面３０の上に載置された伝熱抑制部材４とを備え、第２の荷重支持部としての木質梁２０が伝熱抑制部材４の上に載置された構成を例示したが、第１の荷重支持部としての木質柱又は木質梁に固定された載置部と、載置部の載置面の上に載置された伝熱抑制部材とを備え、第２の荷重支持部としての金属質梁が伝熱抑制部材の上に載置された構成としてもよい。 Further, in each embodiment, the case where the first load supporting portion is the metallic column 10 or the metallic beam and the second load supporting portion is the wooden beam 20 has been described as an example. The partial structure is applicable even when the first load-bearing part is a wooden column or wooden beam and the second load-bearing part is a metal beam.
That is, in each embodiment, the mounting portion 3 fixed to the metal column 10 or the metal beam as the first load support portion, and the mounting portion 3 placed on the mounting surface 30 of the mounting portion 3 The heat transfer suppressing member 4 is provided, and the wooden beam 20 as the second load supporting portion is placed on the heat transfer suppressing member 4, but the wooden column or the first load supporting portion A mounting portion fixed to a wooden beam, and a heat transfer suppressing member placed on a mounting surface of the mounting portion, wherein the metal beam serving as the second load supporting portion is the heat transfer suppressing member. It is good also as a structure placed on the top.

尚、上記では、第１の荷重支持部及び第２の荷重支持部のうちの、一方が金属質の荷重支持部、他方が木質の荷重支持部の場合を例示したが、第１の荷重支持部及び第２の荷重支持部は、金属質や木質以外の荷重支持部であってもよい。例えば、第１の荷重支持部及び第２の荷重支持部のうちの、一方が金属質の荷重支持部、他方がコンクリートの荷重支持部であってもよい。
即ち、本発明の接続部構造では、第１の荷重支持部と第２の荷重支持部とが、それぞれ、異なる材料により形成された荷重支持部であればよい。 In the above description, one of the first load supporting portion and the second load supporting portion is a metallic load supporting portion, and the other is a wooden load supporting portion. The portion and the second load bearing portion may be load bearing portions other than metal or wood. For example, one of the first load-bearing part and the second load-bearing part may be a metal load-bearing part and the other may be a concrete load-bearing part.
In other words, in the connecting portion structure of the present invention, the first load supporting portion and the second load supporting portion may be load supporting portions made of different materials.

また、各実施形態においては、伝熱抑制部材４としてコンクリートブロックを用いた例を示したが、伝熱抑制部材４は、コンクリートブロック以外のものであってもよい。
即ち、伝熱抑制部材４は、第１の荷重支持部から第２の荷重支持部への熱の伝達を抑制することができるとともに、第２の荷重支持部から第１の荷重支持部への熱の伝達を抑制することができ、かつ、第２の荷重支持部を載置することができる材料で形成されたものであれば、どのような物であってもかまわない。 Moreover, in each embodiment, an example of using a concrete block as the heat transfer suppressing member 4 is shown, but the heat transfer suppressing member 4 may be made of a material other than a concrete block.
That is, the heat transfer suppressing member 4 can suppress heat transfer from the first load supporting portion to the second load supporting portion, and can suppress heat transfer from the second load supporting portion to the first load supporting portion. Any material may be used as long as it is made of a material that can suppress heat transfer and on which the second load bearing portion can be placed.

また、載置部３の載置面３０と当該載置面３０に載置される伝熱抑制部材４の下面との凹凸係合は、載置部３の載置面３０及び伝熱抑制部材４の下面の両方に形成された凹部と、これら凹部間に設けられてこれら凹部に係合する係合部（係合ピース）とを備えた凹凸係合構造としてもよい。
同様に、伝熱抑制部材４の上面と当該面に載置される第２の荷重支持部の下面（木質梁２０の下面２３）との凹凸係合は、伝熱抑制部材４の上面及び第２の荷重支持部の下面の両方に形成された凹部と、これら凹部間に設けられてこれら凹部に係合する係合部（係合ピース）とを備えた凹凸係合構造としてもよい。 Further, the uneven engagement between the mounting surface 30 of the mounting portion 3 and the lower surface of the heat transfer suppressing member 4 mounted on the mounting surface 30 is 4 and engaging portions (engagement pieces) provided between these recesses to engage with these recesses.
Similarly, the uneven engagement between the upper surface of the heat transfer suppressing member 4 and the lower surface of the second load supporting portion (the lower surface 23 of the wooden beam 20) placed on the surface is A concave-convex engaging structure may be provided that includes concave portions formed on both lower surfaces of the two load supporting portions and engaging portions (engaging pieces) that are provided between these concave portions and engage with these concave portions.

また、本発明は、柱、梁以外の構造部材にも適用可能である。
例えば、柱と耐震壁との接続部構造、柱と床との接続部構造、耐震壁と床との接続部構造等にも適用可能である。 The present invention can also be applied to structural members other than columns and beams.
For example, the present invention can be applied to a joint structure between a column and a seismic wall, a joint structure between a column and a floor, a joint structure between a seismic wall and a floor, and the like.

１ 第１の構造部材、２ 第２の構造部材、３ 載置部、４ 伝熱抑制部材、
７ 金属質梁（第１の荷重支持部）、１０ 金属質柱（第１の荷重支持部）、
１１ 第１の耐火被覆部、２０ 木質梁（第２の荷重支持部）、２０ｅ 梁端部、
２１ 第２の耐火被覆部、３０ 載置面、２６，４２ 凹部、３１，４１ 凸部。 1 first structural member, 2 second structural member, 3 placement section, 4 heat transfer suppressing member,
7 metallic beam (first load bearing portion), 10 metallic column (first load bearing portion),
11 first fireproof coating, 20 wooden beam (second load bearing part), 20e beam end,
21 second fireproof coating, 30 placement surface, 26, 42 recesses, 31, 41 protrusions.

Claims (5)

第１の荷重支持部を備えた第１の構造部材と、
第２の荷重支持部を備えた第２の構造部材と、
第１の荷重支持部に固定された載置部と、
載置部の上に載置された伝熱抑制部材とを備え、
第１の荷重支持部と第２の荷重支持部とが、それぞれ、異なる材料により形成された荷重支持部であり、
第２の荷重支持部が伝熱抑制部材の上に載置されたことを特徴とする構造部材の接続部構造。 a first structural member having a first load-bearing portion;
a second structural member having a second load bearing portion;
a mounting portion fixed to the first load bearing portion;
and a heat transfer suppressing member placed on the placement part,
the first load-bearing part and the second load-bearing part are load-bearing parts made of different materials;
A joint structure of a structural member, wherein the second load supporting portion is placed on the heat transfer suppressing member. 載置部の載置面と当該載置面に載置される伝熱抑制部材の面とが凹凸係合され、かつ、伝熱抑制部材の面と当該面に載置される第２の荷重支持部の面とが凹凸係合されたことを特徴とする請求項１に記載の構造部材の接続部構造。 The mounting surface of the mounting portion and the surface of the heat transfer suppressing member mounted on the mounting surface are unevenly engaged, and the second load is mounted on the surface of the heat transfer suppressing member and the surface. 2. The connecting portion structure of a structural member according to claim 1, wherein the connecting portion structure of the structural member is engaged with the surface of the supporting portion. 第１の構造部材は、第１の荷重支持部としての金属質柱又は金属質梁と、当該金属質柱又は金属質梁の表面を覆うように設けられた第１の耐火被覆部とを備えて構成され、
第２の構造部材は、第２の荷重支持部としての木質梁と、当該木質梁の表面を覆うように設けられた第２の耐火被覆部とを備えて構成されたことを特徴とする請求項１又は請求項２に記載の構造部材の接続部構造。 The first structural member comprises a metallic column or metallic beam as a first load bearing portion, and a first fireproof coating provided to cover the surface of the metallic column or metallic beam. configured with
The second structural member comprises a wooden beam as a second load bearing portion and a second fireproof coating provided to cover the surface of the wooden beam. 3. The connecting portion structure of the structural member according to claim 1 or 2. 金属質柱又は金属質梁の表面に設けられた第１の耐火被覆部と当該第１の耐火被覆部と対向するように木質梁の梁端面に設けれられた第２の耐火被覆部との間に空間が形成されたことを特徴とする請求項３に記載の構造部材の接続部構造。 A first fire-resistant coating provided on the surface of a metallic column or a metallic beam and a second fire-resistant coating provided on the beam end surface of the wooden beam so as to face the first fire-resistant coating. 4. The connection structure of structural members according to claim 3, wherein a space is formed between them. 第２の耐火被覆部が石こうボードを含む１層以上の耐火被覆層により構成されたことを特徴とする請求項３又は請求項４に記載の構造部材の接続部構造。 5. The connection structure of structural members according to claim 3 or 4, wherein the second fire-resistant coating comprises one or more fire-resistant coating layers containing gypsum board.
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