JP5925426B2

JP5925426B2 - Column beam connection structure and column beam connection method

Info

Publication number: JP5925426B2
Application number: JP2011088363A
Authority: JP
Inventors: 大野　正人; 正人大野; 信哉五十嵐; 山本　秀一; 秀一山本; 鈴木　庸介; 庸介鈴木; 隆史河野; 豪人熊野
Original assignee: Takenaka Corp
Current assignee: Takenaka Corp
Priority date: 2011-04-12
Filing date: 2011-04-12
Publication date: 2016-05-25
Anticipated expiration: 2031-04-12
Also published as: JP2012219559A

Description

本発明は、耐火性を有する木造の柱と梁との柱梁接合構造、及び柱梁接合方法に関する。 The present invention relates to a column-to-beam connection structure between a wooden column and a beam having fire resistance, and a column-to-beam connection method.

近年、木造の柱や梁として、燃え止まり機能を備えた耐火木造構造部材が提案されている。例えば、特許文献１には、木材からなる荷重支持層と、荷重支持層の外側に設けられる燃え止まり層と、燃え止まり層の外側に設けられる燃え代層とを有する複合木質構造材が開示されている。このような柱や梁により構築される木造建物においては、柱と梁との接合部にも、耐火木造構造部材と同等の耐火性が求められる。 In recent years, fire-resistant wooden structural members having a flame-stopping function have been proposed as wooden columns and beams. For example, Patent Document 1 discloses a composite wood structure material having a load supporting layer made of wood, a burning stop layer provided outside the load supporting layer, and a burning allowance layer provided outside the burning stop layer. ing. In a wooden building constructed with such pillars and beams, the joints between the pillars and the beams are also required to have fire resistance equivalent to that of the fire-resistant wooden structural member.

特開２００８−２１８９号公報JP 2008-2189 A

本発明は係る事実を考慮し、耐火性を有する木造の柱と梁との接合部に耐火性を付与することが可能な柱梁接合構造、及びこの柱梁接合構造を構築する柱梁接合方法を提供することを課題とする。 In consideration of such facts, the present invention provides a column beam connection structure capable of imparting fire resistance to a joint between a wooden column and a beam having fire resistance, and a column beam connection method for constructing this column beam connection structure. It is an issue to provide.

第１態様の発明は、荷重を支持する木製の柱心材と、前記柱心材の外周を取り囲む第１燃え止まり層と、前記第１燃え止まり層の外周を取り囲む木製の第１燃え代層とを備えた柱と、前記柱心材に固定され前記第１燃え止まり層から外側へ張り出す連結板と、荷重を支持する木製の梁心材と、前記梁心材の側面と下面とを取り囲む第２燃え止まり層と、前記第２燃え止まり層の側面と下面とを取り囲む木製の第２燃え代層と、前記梁心材の端面から前記梁心材の梁長方向へ形成され前記連結板が挿入される第１縦溝とを備えた梁と、前記第１縦溝に前記連結板を挿入し前記第１燃え止まり層の側面と前記第２燃え止まり層の端面とを対向させて前記第２燃え止まり層に前記連結板の側方と下方とを取り囲ませた状態で前記梁心材に前記連結板を連結する第１連結部材と、を有する柱梁接合構造である。 The invention of the first aspect includes a wooden column core material that supports a load, a first burnt-out layer that surrounds the outer periphery of the column core material, and a wooden first burnup layer that surrounds the outer periphery of the first burn-up layer. A provided pillar, a connecting plate fixed to the pillar core material and projecting outward from the first flame stop layer, a wooden beam core material for supporting a load, and a second flame stop surrounding a side surface and a lower surface of the beam core material A second burn-up layer made of wood surrounding the side surface and the lower surface of the second dead end layer, and a connecting plate inserted from the end surface of the beam core material in the beam length direction of the beam core material. A beam having a longitudinal groove, and the connecting plate is inserted into the first longitudinal groove, and the side face of the first flame stop layer and the end face of the second flame stop layer are opposed to the second flame stop layer. The connecting plate is connected to the beam core in a state in which the side and the lower side of the connecting plate are surrounded. A first connecting member for connecting a beam-column joint structure with.

第１態様の発明では、柱心材と梁心材とをつないで柱と梁とを接合する連結板が、第２燃え止まり層によって取り囲まれているので、火災（加熱）時及び火災（加熱）終了後における連結板の温度上昇を抑制することができる。これにより、柱と梁との接合部に耐火性を付与することができる。 In the first aspect of the invention, the connecting plate that joins the column core and the beam core material by connecting the column core material and the beam core material is surrounded by the second dead end layer, so that at the time of fire (heating) and the end of the fire (heating) The temperature rise of the connecting plate afterwards can be suppressed. Thereby, fire resistance can be provided to the junction between the column and the beam.

第２態様の発明は、第１態様の柱梁接合構造において、前記梁心材の上面に設けられ、前記第２燃え止まり層とで前記連結板の周囲を囲むコンクリート製の床版を有する柱梁接合構造である。 A second aspect of the invention is a column beam having a concrete floor slab provided on an upper surface of the beam core material and surrounding the connection plate with the second dead end layer in the column beam connection structure of the first aspect. It is a junction structure.

第２態様の発明では、柱心材と梁心材とをつないで柱と梁とを接合する連結板が、第２燃え止まり層と床版とによって取り囲まれているので、火災（加熱）時及び火災（加熱）終了後における連結板の温度上昇を抑制することができる。これにより、柱と梁との接合部に耐火性を付与することができる。 In the invention of the second aspect , the connecting plate that connects the column core and the beam core and joins the column and the beam is surrounded by the second dead end layer and the floor slab. The temperature rise of the connecting plate after the (heating) is completed can be suppressed. Thereby, fire resistance can be provided to the junction between the column and the beam.

第３態様の発明は、第１又は第２態様の柱梁接合構造において、荷重を支持する木製の繋ぎ梁心材と、前記繋ぎ梁心材の側面と下面とを取り囲む第３燃え止まり層と、前記第３燃え止まり層の側面と下面とを取り囲む木製の第３燃え代層と、前記繋ぎ梁心材の端面から前記繋ぎ梁心材の梁長方向へ形成され前記連結板が挿入される第２縦溝とを備え前記梁に接合される繋ぎ梁と、前記第２縦溝に前記連結板を挿入し前記第２燃え止まり層の端面と前記第３燃え止まり層の端面とを対向させ前記第３燃え止まり層に前記連結板の側方と下方とを取り囲ませた状態で前記繋ぎ梁心材に前記連結板を連結する第２連結部材と、を有する柱梁接合構造である。 The invention of the third aspect is the column-beam joint structure of the first or second aspect , wherein the wooden connecting beam core material supporting the load, the third dead end layer surrounding the side surface and the lower surface of the connecting beam core material, A third wood burning allowance layer that surrounds the side surface and the lower surface of the third dead end layer, and a second vertical groove that is formed in the beam length direction of the connecting beam core material from the end surface of the connecting beam core material and into which the connecting plate is inserted. And a third beam that is joined to the beam, and that the connecting plate is inserted into the second longitudinal groove so that the end face of the second dead end layer faces the end face of the third dead end layer. It is a column beam joint structure which has the 2nd connecting member which connects the connecting plate to the connecting beam core material in the state where the side and the lower side of the connecting plate are surrounded by the stop layer.

第３態様の発明では、柱に梁を接合した後に、繋ぎ梁を上下移動させて梁に接合することができる。 In the invention of the third aspect , after joining the beam to the column, the joining beam can be moved up and down to join the beam.

第４態様の発明は、第３態様の柱梁接合構造を構築する柱梁接合方法において、前記第１縦溝に前記連結板が挿入されるように前記梁を移動して、前記柱の接合面と前記梁の端面とが対向するように配置する梁配置工程と、前記第１連結部材により前記連結板を前記梁心材に連結する梁接合工程と、前記第２縦溝に前記連結板が挿入されるように前記繋ぎ梁を上下方向へ移動して、前記梁の端面と前記繋ぎ梁の端面とが対向するように配置する繋ぎ梁配置工程と、前記第２連結部材により前記連結板を前記繋ぎ梁心材に連結する繋ぎ梁接合工程と、を有する柱梁接合方法である。 The invention of the fourth aspect is the column beam joining method for constructing the column beam connection structure of the third aspect , wherein the beam is moved so that the connecting plate is inserted into the first vertical groove, and the columns are joined. A beam arranging step of arranging the face and the end face of the beam to face each other, a beam joining step of connecting the connecting plate to the beam core by the first connecting member, and the connecting plate in the second vertical groove. The connecting beam is moved by moving the connecting beam up and down so that the end face of the beam and the end face of the connecting beam are opposed to each other, and the connecting plate is moved by the second connecting member. A connecting beam connecting step for connecting to the connecting beam core material.

第４態様の発明では、梁配置工程と梁接合工程とによって柱に梁を接合した後に、繋ぎ梁配置工程と繋ぎ梁接合工程とによって繋ぎ梁を上下移動させて梁に接合することができる。 In the invention of the fourth aspect , after joining the beam to the column by the beam arranging step and the beam joining step, the joining beam can be moved up and down and joined to the beam by the joining beam arranging step and the joining beam joining step.

本発明は上記構成としたので、耐火性を有する木造の柱と梁との接合部に耐火性を付与することができる。 Since this invention set it as the said structure, fire resistance can be provided to the junction part of the wooden pillar and beam which have fire resistance.

本発明の実施形態に係る柱梁接合構造を示す平断面図である。It is a plane sectional view showing the column beam connection structure concerning the embodiment of the present invention. 図１のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 図１のＢ−Ｂ断面図である。It is BB sectional drawing of FIG. 本発明の実施形態に係る柱梁接合方法を示す説明図である。It is explanatory drawing which shows the column beam joining method which concerns on embodiment of this invention. 本発明の実施形態に係る梁の変形例を示す横断面図である。It is a cross-sectional view which shows the modification of the beam which concerns on embodiment of this invention. 本発明の実施形態に係る梁の変形例を示す横断面図である。It is a cross-sectional view which shows the modification of the beam which concerns on embodiment of this invention. 本発明の実施形態に係る連結板の変形例を示す平断面図である。It is a plane sectional view showing the modification of the connecting plate concerning the embodiment of the present invention. 本発明の実施形態に係る連結板の固定方法の変形例を示す側断面図である。It is a sectional side view which shows the modification of the fixing method of the connection plate which concerns on embodiment of this invention. 本発明の実施形態に係る柱梁架構を示す側断面図である。It is a sectional side view which shows the column beam frame which concerns on embodiment of this invention.

図を参照しながら、本発明の実施形態を説明する。まず、本発明の実施形態に係る柱梁接合構造について説明する。 Embodiments of the present invention will be described with reference to the drawings. First, a column beam joint structure according to an embodiment of the present invention will be described.

図１の平断面図に示すように、柱梁接合構造１０は、柱１２、梁１４、繋ぎ梁１６、及び連結板１８を有している。梁１４の梁長は、柱１２に梁１４を接合する際において梁１４のハンドリングが容易となる程度に短くなっており、繋ぎ梁１６の梁長は、梁１４の梁長よりも長くなっている。 As shown in the plan sectional view of FIG. 1, the column-beam joint structure 10 includes a column 12, a beam 14, a connecting beam 16, and a connecting plate 18. The beam length of the beam 14 is shortened to facilitate handling of the beam 14 when the beam 14 is joined to the column 12, and the beam length of the connecting beam 16 is longer than the beam length of the beam 14. Yes.

柱１２は、荷重を支持する木製の柱心材２０と、柱心材２０の外周を取り囲む第１燃え止まり層２２と、第１燃え止まり層２２の外周を取り囲む木製の第１燃え代層２４とを備えている。 The column 12 includes a wooden column core material 20 that supports a load, a first burn-up layer 22 that surrounds the outer periphery of the column core material 20, and a wooden first burn-up layer 24 that surrounds the outer periphery of the first burn-up layer 22. I have.

図１、及び図１のＡ−Ａ断面図である図２に示すように、連結板１８は、鋼板により形成されている。また、連結板１８は、連結板１８の端部に設けられたフランジ部２６と柱心材２０とを貫通するアンカーボルト２８の端部に、ナット３０を捩じ込み締め付けることによって柱心材２０に固定されている。また、連結板１８は、第１燃え止まり層２２から外側へ（繋ぎ梁１６側へ）張り出している。 As shown in FIG. 1 and FIG. 2, which is a cross-sectional view taken along the line AA of FIG. 1, the connecting plate 18 is formed of a steel plate. Further, the connecting plate 18 is fixed to the column core member 20 by screwing and tightening a nut 30 to an end portion of the anchor bolt 28 that penetrates the flange portion 26 provided at the end portion of the connecting plate 18 and the column core member 20. Has been. Further, the connecting plate 18 projects outward from the first dead end layer 22 (to the connecting beam 16 side).

図１のＢ−Ｂ断面図である図３に示すように、梁１４は、荷重を支持する木製の梁心材３２と、梁心材３２の側面と下面とを取り囲む第２燃え止まり層３４と、第２燃え止まり層３４の側面と下面とを取り囲む木製の第２燃え代層３６と、梁心材３２の梁長方向に沿って梁心材３２の一方（柱１２側）の端面から他方（繋ぎ梁１６側）の端面へ形成された第１縦溝３８とを備えている。第１縦溝３８は、梁心材３２の上面から下方へ形成されており、第１縦溝３８には、連結板１８が挿入されている。 As shown in FIG. 3 which is a BB cross-sectional view of FIG. 1, the beam 14 includes a wooden beam core 32 that supports a load, a second dead end layer 34 that surrounds a side surface and a lower surface of the beam core 32, and A second wooden burning allowance layer 36 that surrounds the side surface and the lower surface of the second dead end layer 34, and from one end surface (column 12 side) of the beam core material 32 along the beam length direction of the beam core material 32 to the other (connecting beam) 16) and a first vertical groove 38 formed on the end surface. The first vertical groove 38 is formed downward from the upper surface of the beam core member 32, and the connecting plate 18 is inserted into the first vertical groove 38.

繋ぎ梁１６は、図１に示すように、荷重を支持する木製の繋ぎ梁心材４０と、繋ぎ梁心材４０の側面と下面とを取り囲む第３燃え止まり層４２と、第３燃え止まり層４２の側面と下面とを取り囲む木製の第３燃え代層４４と、繋ぎ梁心材４０の端部に形成された第２縦溝４６とを備えている。 As shown in FIG. 1, the connecting beam 16 includes a wooden connecting beam core member 40 that supports a load, a third dead end layer 42 that surrounds a side surface and a lower surface of the connecting beam core member 40, and a third dead end layer 42. A third wood burning allowance layer 44 surrounding the side surface and the lower surface, and a second vertical groove 46 formed at the end of the connecting beam core member 40 are provided.

第２縦溝４６は、繋ぎ梁心材４０の梁長方向に沿って繋ぎ梁心材４０の端面から形成されており、第２縦溝４６には、連結板１８が挿入される。第２縦溝４６は、繋ぎ梁心材４０の上面から下方へ形成されており、第２縦溝４０には、連結板１８が挿入されている。 The second vertical groove 46 is formed from the end surface of the connecting beam core 40 along the beam length direction of the connecting beam core 40, and the connecting plate 18 is inserted into the second vertical groove 46. The second vertical groove 46 is formed downward from the upper surface of the connecting beam core member 40, and the connecting plate 18 is inserted into the second vertical groove 40.

梁１４の梁心材３２、第２燃え止まり層３４、第２燃え代層３６と、繋ぎ梁１６の繋ぎ梁心材４０、第３燃え止まり層４２、第３燃え代層４４との断面配置は略同じであり、梁１４に繋ぎ梁１６が接合された図１、２の状態で、梁心材３２と繋ぎ梁心材４０、第２燃え止まり層３４と第３燃え止まり層４２、第２燃え代層３６と第３燃え代層４４の端面同士は、それぞれ対向し略一致している。 The cross-sectional arrangement of the beam core 32 of the beam 14, the second burn-up layer 34, the second burn-up layer 36, and the connection beam core 40, the third burn-up layer 42, and the third burn-up layer 44 of the connecting beam 16 is substantially the same. 1 and 2 in which the connecting beam 16 is joined to the beam 14, the beam core 32, the connecting beam core 40, the second dead end layer 34, the third dead end layer 42, and the second dead allowance layer. The end faces of 36 and the third burning allowance layer 44 face each other and substantially coincide with each other.

図１、２に示すように、梁１４は、第１縦溝３８に連結板１８が挿入された状態で、梁心材３２に形成された連結孔５０と、連結板１８に形成された貫通孔５２とに、第１連結部材としてのドリフトピン４８を貫通させて、梁心材３２に連結板１８を連結することにより、柱１２に接合されている。 As shown in FIGS. 1 and 2, the beam 14 includes a connection hole 50 formed in the beam core member 32 and a through hole formed in the connection plate 18 in a state where the connection plate 18 is inserted into the first vertical groove 38. 52, the drift pin 48 as the first connecting member is passed through and the connecting plate 18 is connected to the beam core member 32 so as to be joined to the column 12.

ドリフトピン４８は、第２燃え代層３６と第２燃え止まり層３４とに形成され連結孔５０と連通する挿入孔５６から挿入する。そして、ドリフトピン４８を連結孔５０と貫通孔５２とに貫通させた後に、閉塞材や閉塞部材によって挿入孔５６を塞ぐ。第２燃え代層３６に形成されている挿入孔５６は、第２燃え代層３６を形成する材料によって塞ぎ、第２燃え止まり層３４に形成されている挿入孔５６は、第２燃え止まり層３４を形成する材料によって塞ぐのが好ましい。 The drift pin 48 is inserted through an insertion hole 56 that is formed in the second burning allowance layer 36 and the second burning stop layer 34 and communicates with the connection hole 50. Then, after the drift pin 48 is passed through the connecting hole 50 and the through hole 52, the insertion hole 56 is closed with a closing material or a closing member. The insertion hole 56 formed in the second burning allowance layer 36 is closed by the material forming the second burning allowance layer 36, and the insertion hole 56 formed in the second burning allowance layer 34 is filled with the second burning stop layer 34. Preferably it is plugged by the material forming 34.

図２に示すように、梁１４の端部は、柱１２の側面に形成された切欠部５４に挿入されており、これによって、柱１２に梁１４を接合した状態で、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面とは接触している。 As shown in FIG. 2, the end portion of the beam 14 is inserted into a notch 54 formed on the side surface of the column 12, whereby the first dead end layer is formed with the beam 14 joined to the column 12. The side surface of 22 and the end surface of the second dead end layer 34 are in contact with each other.

繋ぎ梁１６は、第２縦溝４６に連結板１８が挿入された状態で、繋ぎ梁心材４０に形成された連結孔６０と、連結板１８に形成された貫通孔６２とに、第２連結部材としてのドリフトピン５８を貫通させて、繋ぎ梁心材４０に連結板１８を連結することにより、柱１２と梁１４とに接合されている。 The connecting beam 16 is connected to the connecting hole 60 formed in the connecting beam core member 40 and the through hole 62 formed in the connecting plate 18 with the second connecting groove 18 inserted in the second vertical groove 46. By connecting the connecting plate 18 to the connecting beam core member 40 through the drift pin 58 as a member, the column 12 and the beam 14 are joined.

ドリフトピン５８は、第３燃え代層４４と第３燃え止まり層４２とに形成され連結孔６０と連通する挿入孔６４から挿入する。そして、ドリフトピン５８を連結孔６０と貫通孔６２とに貫通させた後に、閉塞材や閉塞部材によって挿入孔６４を塞ぐ。第３燃え代層４４に形成されている挿入孔６４は、第３燃え代層４４を形成する材料によって塞ぎ、第３燃え止まり層４２に形成されている挿入孔６４は、第３燃え止まり層４２を形成する材料によって塞ぐのが好ましい。 The drift pin 58 is inserted through an insertion hole 64 that is formed in the third burning allowance layer 44 and the third burning stop layer 42 and communicates with the connection hole 60. Then, after allowing the drift pin 58 to penetrate the connecting hole 60 and the through hole 62, the insertion hole 64 is closed with a closing material or a closing member. The insertion hole 64 formed in the third burning allowance layer 44 is closed by the material forming the third burning allowance layer 44, and the insertion hole 64 formed in the third burning allowance layer 42 is the third burning stop layer. Preferably, the material forming 42 is plugged.

柱１２と梁１４とに繋ぎ梁１６を接合した状態で、第２燃え止まり層３４の端面と第３燃え止まり層４２の端面とは１０〜２０ｍｍ程度の隙間を有するようにして対向している。また、この隙間には充填材Ｍが充填されている。 In a state where the beam 16 is joined to the column 12 and the beam 14, the end face of the second dead end layer 34 and the end face of the third dead end layer 42 are opposed to each other with a gap of about 10 to 20 mm. . The gap is filled with a filler M.

図３に示すように、梁１４の上面には、鉄筋コンクリート製の床版６６が設けられている。すなわち、梁心材３２、第２燃え止まり層３４、及び第２燃え代層３６の上面に、床版６６が設けられている。これにより、連結板１８の側方と下方とは、第２燃え止まり層３４及び第３燃え止まり層４２によって取り囲まれ、連結板１８の上方は床版６６によって取り囲まれている。すなわち、連結板１８は、第２燃え止まり層３４と床版６６、及び第３燃え止まり層４２と床版６６とによって外周を取り囲まれている。 As shown in FIG. 3, a floor slab 66 made of reinforced concrete is provided on the upper surface of the beam 14. That is, the floor slab 66 is provided on the upper surfaces of the beam core material 32, the second flame stop layer 34, and the second burn allowance layer 36. Thereby, the side and the lower side of the connecting plate 18 are surrounded by the second and third dead ends 34 and 42, and the upper portion of the connecting plate 18 is surrounded by the floor slab 66. That is, the outer periphery of the connecting plate 18 is surrounded by the second dead end layer 34 and the floor slab 66, and the third dead end layer 42 and the floor slab 66.

なお、柱心材２０、梁心材３２、繋ぎ梁心材４０、第１燃え代層２４、第２燃え代層３６、及び第３燃え代層４４は、木材によって形成されていればよい。例えば、柱心材２０、梁心材３２、繋ぎ梁心材４０、第１燃え代層２４、第２燃え代層３６、及び第３燃え代層４４は、米松、唐松、檜、杉、あすなろ等の一般の木造建築に用いられる柱材や梁材（以下、「一般木材」とする）によって形成してもよいし、これらの一般木材を角柱状の単材に加工し、この単材を複数集成し単材同士を接着剤により接着して一体化することによって形成してもよい。 Note that the column core material 20, the beam core material 32, the connecting beam core material 40, the first burning allowance layer 24, the second burning allowance layer 36, and the third burning allowance layer 44 may be formed of wood. For example, the column core material 20, the beam core material 32, the connecting beam core material 40, the first burning allowance layer 24, the second burning allowance layer 36, and the third burning allowance layer 44 are generally used for rice pine, karamatsu, firewood, cedar, asunaro, etc. It may be formed of pillar materials and beam materials (hereinafter referred to as “general timber”) used in wooden construction of wood, or these general timbers are processed into a single prismatic material, and multiple such single materials are assembled. It may be formed by bonding single materials with an adhesive and integrating them.

また、第１燃え止まり層２２、第２燃え止まり層３４、及び第３燃え止まり層４２は、熱の吸収が可能な層であればよい。例えば、第１燃え止まり層２２、第２燃え止まり層３４、及び第３燃え止まり層４２は、一般木材よりも熱容量が大きな材料、一般木材よりも断熱性が高い材料、又は一般木材よりも熱慣性が高い材料によって形成してもよいし、これらの材料と一般木材とを組み合わせて形成してもよい。 Moreover, the 1st flame stop layer 22, the 2nd flame stop layer 34, and the 3rd flame stop layer 42 should just be a layer which can absorb heat. For example, the first flame stop layer 22, the second flame stop layer 34, and the third flame stop layer 42 are made of a material having a heat capacity larger than that of general wood, a material having higher thermal insulation than general wood, or a heat higher than that of general wood. You may form with a material with high inertia, and you may form combining these materials and general wood.

一般木材よりも熱容量が大きな材料としては、モルタル、石材、ガラス、繊維補強セメント等の無機質材料、各種の金属材料などが挙げられる。一般木材よりも断熱性が高い材料としては、珪酸カルシウム板、ロックウール、グラスウールなどが挙げられる。一般木材よりも熱慣性が高い材料としては、セランガンバツ、ジャラ、ボンゴシ等の木材が挙げられる。 Examples of the material having a larger heat capacity than general wood include inorganic materials such as mortar, stone, glass, and fiber reinforced cement, and various metal materials. Examples of the material having higher heat insulation than general wood include calcium silicate board, rock wool, and glass wool. Examples of the material having higher thermal inertia than general wood include wood such as Selangan Batu, Jara, and Bongoshi.

また、充填材Ｍは、隙間への充填が可能であり、且つ梁１４の端面と繋ぎ梁１６の端面との間で力を伝達できる材料であればよい。充填材Ｍは、一般木材よりも熱容量が大きな材料、一般木材よりも断熱性が高い材料、又は一般木材よりも熱慣性が高い材料などの熱の吸収が可能な材料によって形成されていることが好ましいが、第２燃え止まり層３４の端面と第３燃え止まり層４２の端面から熱は吸収されるので、熱の吸収が期待できないような材料を充填材Ｍとして用いてもよい。充填材Ｍとしては、モルタル、繊維補強セメントなどが挙げられる。 The filler M may be any material that can fill the gap and can transmit force between the end face of the beam 14 and the end face of the connecting beam 16. The filler M may be formed of a material capable of absorbing heat, such as a material having a larger heat capacity than ordinary wood, a material having higher heat insulation than ordinary wood, or a material having higher thermal inertia than ordinary wood. Although heat is absorbed from the end face of the second dead end layer 34 and the end face of the third dead end layer 42, a material that cannot be expected to absorb heat may be used as the filler M. Examples of the filler M include mortar and fiber reinforced cement.

また、第２燃え止まり層３４に形成されている挿入孔５６は、第２燃え止まり層３４を形成する材料によって塞ぎ、第３燃え止まり層４２に形成されている挿入孔６４は、第３燃え止まり層４２を形成する材料によって塞ぐのが好ましいが、熱の吸収が可能な閉塞材又は閉塞部材で塞ぐのがより好ましい。また、第２燃え止まり層３４及び第３燃え止まり層４２の挿入孔５６、６４が形成されていない部分が熱を吸収するので、熱の吸収が期待できないような閉塞材又は閉塞部材で挿入孔５６、６４を塞いでもよい。 Further, the insertion hole 56 formed in the second dead end layer 34 is closed by the material forming the second dead end layer 34, and the insertion hole 64 formed in the third dead end layer 42 is provided by the third dead end layer 34. Although it is preferable to close with the material which forms the stop layer 42, it is more preferable to close with the obstruction | occlusion material or obstruction | occlusion member which can absorb heat. In addition, since the portions where the insertion holes 56 and 64 of the second flame stop layer 34 and the third flame stop layer 42 are not formed absorb heat, the insertion hole is made of a blocking material or a blocking member that cannot be expected to absorb heat. 56 and 64 may be closed.

次に、本発明の実施形態に係る柱梁接合方法について説明する。 Next, a column beam joining method according to an embodiment of the present invention will be described.

ここでは、図４（ａ）〜（ｅ）により、柱梁接合方法を用いて建物を構築する手順の一例について説明する。建物は、連結板固定工程、梁配置工程、梁接合工程、柱搬送工程、柱設置工程、繋ぎ梁配置工程、及び繋ぎ梁接合工程によって構築される。また、柱梁接合方法は、梁配置工程、梁接合工程、繋ぎ梁配置工程、及び繋ぎ梁接合工程によって構成されている。 Here, an example of a procedure for constructing a building using the column beam joining method will be described with reference to FIGS. The building is constructed by a connecting plate fixing process, a beam arranging process, a beam joining process, a column conveying process, a column installing process, a connecting beam arranging process, and a connecting beam joining process. The column beam joining method includes a beam arranging step, a beam joining step, a connecting beam arranging step, and a connecting beam joining step.

まず、連結板固定工程では、工場や現場仮設ヤード等にて、アンカーボルト２８及びナット３０により、連結板１８のフランジ部２６を柱心材２０に固定して、柱１２に連結板１８を固定する。図４（ｅ）に示すように、柱１２は、構築する建物の１階の柱の上半分と、２階の柱と、３階の柱の下半分とが１つにつながれている部材である。 First, in the connecting plate fixing step, the flange portion 26 of the connecting plate 18 is fixed to the column core material 20 by the anchor bolt 28 and the nut 30 in a factory, a temporary yard or the like, and the connecting plate 18 is fixed to the column 12. . As shown in FIG. 4E, the pillar 12 is a member in which the upper half of the first-floor pillar, the second-floor pillar, and the lower half of the third-floor pillar are connected together. is there.

次に、梁配置工程では、図４（ａ）に示すように、工場の床や現場仮設ヤードの地面等の基盤６８上に柱１２を立てる。そして、柱１２に固定された連結板１８が、梁１４の第１縦溝３８に挿入されるように梁１４を移動して、柱１２の接合面と梁１４の端面とが対向するように配置する。第１縦溝３８は、梁心材３２の上面から下方へ形成されているので、梁１４を横移動させて第１縦溝３８に連結板１８を挿入してもよいし、連結板１８の下方に配置した梁１４を上方へ移動させて第１縦溝３８に連結板１８を挿入した後に、この梁１４を横移動させてもよい。 Next, in the beam arrangement step, as shown in FIG. 4A, the pillars 12 are erected on the base 68 such as the floor of the factory or the ground of the temporary temporary yard. Then, the connecting plate 18 fixed to the column 12 moves the beam 14 so as to be inserted into the first vertical groove 38 of the beam 14, so that the joint surface of the column 12 and the end surface of the beam 14 face each other. Deploy. Since the first vertical groove 38 is formed downward from the upper surface of the beam core member 32, the connecting plate 18 may be inserted into the first vertical groove 38 by moving the beam 14 laterally, or below the connecting plate 18. The beam 14 may be moved laterally after the connecting plate 18 is inserted into the first vertical groove 38 by moving the beam 14 arranged in the upper direction.

次に、梁接合工程では、ドリフトピン４８により、柱１２に固定された連結板１８を梁１４の梁心材３２に連結して、建物の２、３階を構成する梁１４を柱１２に接合する。挿入孔５６は、連結板１８を梁１４の梁心材３２に連結した後に、閉塞材や閉塞部材によって塞ぐ。 Next, in the beam joining step, the connecting plate 18 fixed to the column 12 is connected to the beam core 32 of the beam 14 by the drift pin 48, and the beam 14 constituting the second and third floors of the building is joined to the column 12. To do. The insertion hole 56 is closed by a closing member or a closing member after the connecting plate 18 is connected to the beam core 32 of the beam 14.

次に、柱搬送工程では、梁１４が固定された柱１２を、建物を構築する施工ヤードへ搬送する。 Next, in the column conveying step, the column 12 to which the beam 14 is fixed is conveyed to a construction yard that constructs a building.

次に、柱設置工程では、図４（ｂ）に示すように、施工ヤードへ搬送された柱１２を、施工ヤードの基礎７０上に設置された柱７２上に載置し、柱７２に柱１２を接合する。 Next, in the column installation step, as shown in FIG. 4B, the column 12 transported to the construction yard is placed on the column 72 installed on the foundation 70 of the construction yard, and the column 72 is columned. 12 are joined.

柱７２は、柱１２と同様の構成になっている。すなわち、柱７２は、荷重を支持する木製の柱心材と、柱心材の外周を取り囲む第１燃え止まり層と、第１燃え止まり層の外周を取り囲む木製の第１燃え代層とを備えている。 The pillar 72 has the same configuration as the pillar 12. That is, the column 72 includes a wooden column core material that supports a load, a first burn-up layer that surrounds the outer periphery of the column core material, and a wooden first burn-up layer that surrounds the outer periphery of the first burn-up layer. .

次に、繋ぎ梁配置工程では、図４（ｃ）に示すように、繋ぎ梁１６の第２縦溝４６に、柱１２に固定された連結板１８が挿入されるように繋ぎ梁１６を下方から上方へ移動して、梁１４の端面と繋ぎ梁１６の端面とが１０〜２０ｍｍ程度の隙間を有して対向するように配置する。 Next, in the connecting beam arranging step, as shown in FIG. 4C, the connecting beam 16 is moved downward so that the connecting plate 18 fixed to the column 12 is inserted into the second vertical groove 46 of the connecting beam 16. The end face of the beam 14 and the end face of the connecting beam 16 are arranged so as to face each other with a gap of about 10 to 20 mm.

第２縦溝４６は、繋ぎ梁１６の繋ぎ梁心材４０の上面から下方へ形成されているので、繋ぎ梁１６を下方から上方へ移動させることによって、梁１４の端面と繋ぎ梁１６の端面とが対向するように繋ぎ梁１６を配置することができる。 Since the second vertical groove 46 is formed downward from the upper surface of the connecting beam core 40 of the connecting beam 16, the end surface of the beam 14 and the end surface of the connecting beam 16 are moved by moving the connecting beam 16 upward from below. The connecting beams 16 can be arranged so as to face each other.

次に、繋ぎ梁接合工程では、図４（ｄ）に示すように、ドリフトピン５８により、柱１２に固定された連結板１８を繋ぎ梁１６の繋ぎ梁心材４０に連結して、建物の２階を構成する繋ぎ梁１６の両端部を左右の柱１２にそれぞれ接合する。連結板１８を繋ぎ梁１６の繋ぎ梁心材４０に連結した後に、挿入孔６４は、閉塞材又は閉塞部材によって塞ぎ、梁１４の端面と繋ぎ梁１６の端面との間の隙間は、充填材Ｍによって塞ぐ。 Next, in the connecting beam joining step, as shown in FIG. 4D, the connecting plate 18 fixed to the column 12 is connected to the connecting beam core 40 of the connecting beam 16 by the drift pin 58, and the building 2 Both ends of the connecting beam 16 constituting the floor are respectively joined to the left and right columns 12. After connecting the connecting plate 18 to the connecting beam core 40 of the connecting beam 16, the insertion hole 64 is closed by a closing material or a closing member, and the gap between the end face of the beam 14 and the end face of the connecting beam 16 is filled with the filler M. Block by.

次に、図４（ｅ）に示すように、建物の２階を構成する全ての繋ぎ梁１６を柱１２に接合した後に、コンクリートを打設して床版６６を形成する。次に、図４（ｃ）〜（ｅ）と同様の工程により、建物の３階を構築する。 Next, as shown in FIG. 4 (e), after joining all the connecting beams 16 constituting the second floor of the building to the column 12, concrete is cast to form a floor slab 66. Next, the third floor of the building is constructed by the same processes as in FIGS.

次に、図４（ｅ）の柱１２の上に、次の階を構成する柱１２を載置して接合し、後は、必要とする階数に達するまで、これまで説明した工程を繰り返して建物を構築する。 Next, the pillar 12 constituting the next floor is placed on and joined to the pillar 12 of FIG. 4 (e), and then the steps described so far are repeated until the required number of floors is reached. Build a building.

次に、本発明の実施形態に係る柱梁接合構造及び柱梁接合方法の作用と効果について説明する。 Next, the operation and effect of the column beam connection structure and the column beam connection method according to the embodiment of the present invention will be described.

本発明の実施形態の柱梁接合構造１０では、図２に示すように、柱心材２０に固定された連結板１８をドリフトピン４８により梁心材３２に連結することによって、梁１４に作用する荷重を、梁心材３２、ドリフトピン４８、連結板１８の順に伝えて柱心材２０に伝達することができ、また、柱１２に作用する荷重を、柱心材２０、連結板１８、ドリフトピン４８の順に伝えて梁心材３２に伝達することができるので、柱１２に梁１４を接合することができる。 In the column beam connection structure 10 of the embodiment of the present invention, as shown in FIG. 2, a load acting on the beam 14 by connecting the connecting plate 18 fixed to the column core member 20 to the beam core member 32 by the drift pin 48. Can be transmitted to the column core 20 in the order of the beam core 32, the drift pin 48, and the connecting plate 18, and the load acting on the column 12 can be transmitted in the order of the column core 20, the connecting plate 18, and the drift pin 48. Since it can be transmitted to the beam core 32, the beam 14 can be joined to the column 12.

また、柱心材２０に固定された連結板１８をドリフトピン５８により繋ぎ梁心材４０に連結することによって、繋ぎ梁１６に作用する荷重を、繋ぎ梁心材４０、ドリフトピン５８、連結板１８の順に伝えて柱心材２０に伝達することができ、また、柱１２に作用する荷重を、柱心材２０、連結板１８、ドリフトピン５８の順に伝えて繋ぎ梁心材４０に伝達することができるので、柱１２に繋ぎ梁１６を接合することができる。 Further, by connecting the connecting plate 18 fixed to the column core member 20 to the connecting beam core member 40 by the drift pin 58, the load acting on the connecting beam 16 is transferred in the order of the connecting beam core member 40, the drift pin 58, and the connecting plate 18. Since the load acting on the column 12 can be transmitted to the column core member 40 in the order of the column core member 20, the connecting plate 18, and the drift pin 58, the column core member 40 can be transmitted. 12 can be joined to the connecting beam 16.

また、ドリフトピン４８、５８によって梁心材３２と繋ぎ梁心材４０とに連結板１８を連結し、梁１４の端面と繋ぎ梁１６の端面との間の隙間に充填した充填材Ｍを介して梁心材３２の端面と繋ぎ梁心材４０の端面とを接続することによって、梁１４と繋ぎ梁１６とを接合することができる。 Further, the connecting plate 18 is connected to the beam core 32 and the beam core 40 by the drift pins 48 and 58, and the beam is filled through the filler M filled in the gap between the end surface of the beam 14 and the end surface of the beam 16. By connecting the end face of the core material 32 and the end face of the connecting beam core material 40, the beam 14 and the connecting beam 16 can be joined.

また、柱１２においては、図１に示すように、火災が発生したときに火炎が第１燃え代層２４に着火し、第１燃え代層２４が燃焼する。そして、燃焼した第１燃え代層２４は炭化する。よって、柱１２の外部から柱心材２０への熱伝達と酸素供給とを炭化した第１燃え代層２４が遮断し、第１燃え止まり層２２が吸熱するので、火災（加熱）時及び火災（加熱）終了後における柱心材２０の温度上昇を抑制することができる。 Moreover, in the pillar 12, as shown in FIG. 1, when a fire occurs, a flame ignites the 1st combustion allowance layer 24, and the 1st combustion allowance layer 24 burns. The burned first burning allowance layer 24 is carbonized. Therefore, the first burning allowance layer 24 that carbonizes heat transfer and oxygen supply from the outside of the pillar 12 to the pillar core material 20 is cut off, and the first burning stop layer 22 absorbs heat. The temperature rise of the column core material 20 after the completion of (heating) can be suppressed.

また、梁１４においては、図３に示すように、火災が発生したときに火炎が第２燃え代層３６に着火し、第２燃え代層３６が燃焼する。そして、燃焼した第２燃え代層３６は炭化する。よって、梁１４の外部から梁心材３２への熱伝達と酸素供給とを炭化した第２燃え代層３６が遮断し、第２燃え止まり層３４が吸熱するので、火災（加熱）時及び火災（加熱）終了後における梁心材３２の温度上昇を抑制することができる。 In the beam 14, as shown in FIG. 3, when a fire occurs, the flame ignites the second combustion allowance layer 36 and the second combustion allowance layer 36 burns. The burned second burning allowance layer 36 is carbonized. Therefore, the second burning allowance layer 36 that carbonizes heat transfer and oxygen supply from the outside of the beam 14 to the beam core member 32 is cut off, and the second burning stop layer 34 absorbs heat. The temperature rise of the beam core 32 after the completion of (heating) can be suppressed.

また、繋ぎ梁１６においては、図１、２に示すように、火災が発生したときに火炎が第３燃え代層４４に着火し、第３燃え代層４４が燃焼する。そして、燃焼した第３燃え代層４４は炭化する。よって、繋ぎ梁１６の外部から繋ぎ梁心材４０への熱伝達と酸素供給とを炭化した第３燃え代層４４が遮断し、第３燃え止まり層４２が吸熱するので、火災（加熱）時及び火災（加熱）終了後における繋ぎ梁心材４０の温度上昇を抑制することができる。 In the connecting beam 16, as shown in FIGS. 1 and 2, when a fire occurs, the flame ignites the third burnup layer 44 and the third burnup layer 44 burns. The burned third burning allowance layer 44 is carbonized. Therefore, the third burning allowance layer 44 that carbonizes heat transfer and oxygen supply from the outside of the joining beam 16 to the joining beam core member 40 is cut off, and the third burning stop layer 42 absorbs heat. The temperature rise of the connecting beam core 40 after the end of the fire (heating) can be suppressed.

また、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面とは接触しており、第２燃え止まり層３４の端面と第３燃え止まり層４２の端面とは対向し、これらの間の隙間には充填材Ｍが充填されているので、柱１２と梁１４、及び梁１４と繋ぎ梁１６の接合部から熱が進入して、柱心材２０、梁心材３２及び繋ぎ梁心材４０の温度が上昇するのを抑制することができる。 Further, the side face of the first dead end layer 22 and the end face of the second dead end layer 34 are in contact with each other, the end face of the second dead end layer 34 and the end face of the third dead end layer 42 are opposed to each other, and Since the gap M is filled with the filler M, heat enters from the joints between the column 12 and the beam 14 and between the beam 14 and the connecting beam 16, and the column core material 20, the beam core material 32, and the connecting beam core material 40. It is possible to suppress an increase in temperature.

よって、火災（加熱）時及び火災（加熱）終了後において、所定時間（例えば、１時間耐火の場合には、１時間）の間、柱心材２０、梁心材３２及び繋ぎ梁心材４０を着火温度未満に抑え、柱心材２０、梁心材３２及び繋ぎ梁心材４０を燃焼させずに燃え止まらせて、構造体として機能させることができる。 Therefore, at the time of fire (heating) and after the end of the fire (heating), the column core material 20, the beam core material 32, and the connecting beam core material 40 are ignited for a predetermined time (for example, 1 hour in case of fire resistance for 1 hour). The column core material 20, the beam core material 32, and the connecting beam core material 40 can be stopped without being burned and function as a structure.

また、図１〜３に示すように、連結板１８は、周囲を第２燃え止まり層３４と床版６６、及び第３燃え止まり層４２と床版６６とによって取り囲まれているので、火災（加熱）時及び火災（加熱）終了後における連結板１８の温度上昇を抑制することができる。これにより、柱１２と梁１４、柱１２と繋ぎ梁１６、及び梁１４と繋ぎ梁１６の接合部に耐火性を付与することができる。 1 to 3, the connection plate 18 is surrounded by the second dead end layer 34 and the floor slab 66, and the third dead end layer 42 and the floor slab 66. The temperature rise of the connecting plate 18 at the time of (heating) and after the end of the fire (heating) can be suppressed. Thereby, fire resistance can be imparted to the joints between the column 12 and the beam 14, the column 12 and the connecting beam 16, and the beam 14 and the connecting beam 16.

また、実施形態の柱梁接合方法では、柱１２に梁１４を接合した後に、繋ぎ梁１６を上下移動させて梁１４に接合することができる。例えば、梁１４を横移動させて柱１２に接合する柱梁接合構造の場合、柱梁接合構造１０のように、梁長の短い梁１４と、梁長の長い繋ぎ梁１６とを接合する構成しておけば、梁長が短く重量が軽いので取り扱いが容易な梁１４を横移動させて柱１２に接合し、梁長が長く重量が重いので取り扱いが面倒な繋ぎ梁１６を上下移動させることによって梁１４に接合することができる。 In the column beam joining method of the embodiment, after joining the beam 14 to the column 12, the connecting beam 16 can be moved up and down to join the beam 14. For example, in the case of a beam-column joint structure in which the beam 14 is laterally moved and joined to the column 12, a configuration in which a beam 14 having a short beam length and a connecting beam 16 having a long beam length are joined as in the beam-column joint structure 10. If the beam length is short and the weight is light, the beam 14 that is easy to handle is moved laterally and joined to the column 12, and the connecting beam 16 that is long and heavy is troublesome to handle and is moved up and down. Can be joined to the beam 14.

また、柱１２を複数階分の部材（構築する建物の１階の柱の上半分と、２階の柱と、３階の柱の下半分とが１つにつながれている部材）にすることにより、柱同士の接合作業の回数が減るので、施工効率を向上させることができる。 Also, make the pillar 12 a member for multiple floors (a member in which the upper half of the first-floor pillar, the second-floor pillar, and the lower half of the third-floor pillar are connected together) Therefore, the number of times of joining work between the columns is reduced, so that the construction efficiency can be improved.

また、梁１４の端面と繋ぎ梁１６の端面との間に１０〜２０ｍｍ程度の若干の隙間を有するようにして繋ぎ梁１６を配置することにより、柱１２、梁１４及び繋ぎ梁１６の製作誤差や、柱１２及び梁１４の施工（設置）誤差を吸収することができる。 Further, by arranging the connecting beam 16 so that there is a slight gap of about 10 to 20 mm between the end surface of the beam 14 and the end surface of the connecting beam 16, the manufacturing error of the column 12, the beam 14, and the connecting beam 16 is achieved. In addition, construction (installation) errors of the column 12 and the beam 14 can be absorbed.

以上、本発明の実施形態について説明した。 The embodiment of the present invention has been described above.

なお、本発明の実施形態では、第２燃え止まり層３４が、梁心材３２の側面と下面とを取り囲み、第２燃え代層３６が、第２燃え止まり層３４の側面と下面とを取り囲む例を示したが、図５の横断面図に示すように、第２燃え止まり層３４が、梁心材３２の外周を取り囲み、第２燃え代層３６が、第２燃え止まり層３４の外周を取り囲むようにしてもよい。この場合には、第１縦溝３８に連結板１８を挿入した際に残る、第１縦溝３８上部の隙間に充填材Ｍを充填して塞ぐ。 In the embodiment of the present invention, the second dead end layer 34 surrounds the side surface and the lower surface of the beam core material 32, and the second burning allowance layer 36 surrounds the side surface and the lower surface of the second dead end layer 34. However, as shown in the cross-sectional view of FIG. 5, the second flame stop layer 34 surrounds the outer periphery of the beam core 32, and the second burn allowance layer 36 surrounds the outer periphery of the second flame stop layer 34. You may do it. In this case, the filler M is filled in the gap above the first vertical groove 38 that remains when the connecting plate 18 is inserted into the first vertical groove 38.

また、本発明の実施形態では、第３燃え止まり層４２が、繋ぎ梁心材４０の側面と下面とを取り囲み、第３燃え代層４４が、第３燃え止まり層４２の側面と下面とを取り囲む例を示したが、第３燃え止まり層４２が、繋ぎ梁心材４０の外周を取り囲み、第３燃え代層４４が、第３燃え止まり層４２の外周を取り囲むようにしてもよい。 In the embodiment of the present invention, the third dead end layer 42 surrounds the side surface and the lower surface of the connecting beam core member 40, and the third burning allowance layer 44 surrounds the side surface and the lower side of the third dead end layer 42. As an example, the third dead end layer 42 may surround the outer periphery of the connecting beam core member 40, and the third burning allowance layer 44 may surround the outer periphery of the third dead end layer 42.

また、本発明の実施形態では、梁１４の端部を挿入する切欠部５４を柱１２の側面に形成した例を示したが、この切欠部５４は、図２に示すように、柱１２に梁１４が接合され梁１４の上面に床版６６が設けられた状態で、床版６６の上面と、第２燃え燃え代層３６の下面に１０〜２０ｍｍ程度の隙間を有するように形成してもよい（以下、床版６６の上面に形成される隙間を「上目地」、第２燃え燃え代層３６の下面に形成される隙間を「下目地」とする）。このようにすれば、切欠部５４の開口面積が大きくなるので梁１４を挿入し易くなる（例えば、下方から斜め上方へ梁１４を移動させて切欠部５４に挿入することも容易になる）。また、上目地及び下目地にモルタル等を充填して耐火処理を施すことによって、上目地及び下目地から熱が進入することを防ぐことができる。また、上目地及び下目地に、耐火性を有する可撓性材料を充填することにより、第１燃え代層２４が乾燥等により上下方向へ収縮した場合においても、上目地及び下目地が閉塞された状態を維持することができる。 Further, in the embodiment of the present invention, the example in which the notch portion 54 into which the end portion of the beam 14 is inserted is formed on the side surface of the column 12 is shown, but this notch portion 54 is formed in the column 12 as shown in FIG. In a state where the beam 14 is joined and the floor slab 66 is provided on the upper surface of the beam 14, it is formed so as to have a gap of about 10 to 20 mm between the upper surface of the floor slab 66 and the lower surface of the second burning allowance layer 36. Alternatively, the gap formed on the upper surface of the floor slab 66 is referred to as “upper joint”, and the gap formed on the lower surface of the second burn-up allowance layer 36 is referred to as “lower joint”. In this way, the opening area of the notch 54 is increased, so that the beam 14 can be easily inserted (for example, the beam 14 can be moved obliquely from below to be inserted into the notch 54). Moreover, it can prevent that a heat | fever enters from an upper joint and a lower joint by filling a mortar etc. in an upper joint and a lower joint, and performing a fireproof process. In addition, by filling the upper joint and the lower joint with a flexible material having fire resistance, the upper joint and the lower joint are blocked even when the first burning allowance layer 24 contracts in the vertical direction due to drying or the like. Can be maintained.

また、本発明の実施形態では、柱１２を複数階分の部材（構築する建物の１階の柱の上半分と、２階の柱と、３階の柱の下半分とが１つにつながれている部材）とした例を示したが、１つの柱１２の高さは、どのような高さにしてもよい。例えば、柱１２を、構築する建物の１階の柱の上半分と、２階の柱と、３階の柱と、４階の柱の下半分とが１つにつながれている部材としてもよいし、構築する建物の１階の柱の上半分と、２階の柱の下半分とが１つにつながれている部材としてもよい。また、例えば、図４（ｅ）の柱１２の上に、３階の柱の上半分の部材を載置し接合して、３階建ての建物を構築してもよい。 Further, in the embodiment of the present invention, the pillar 12 is a member of a plurality of floors (the upper half of the first-floor pillar of the building to be constructed, the second half of the pillar, and the lower half of the third-floor pillar are connected together. However, the height of one pillar 12 may be any height. For example, the pillar 12 may be a member in which the upper half of the first-floor pillar, the second-floor pillar, the third-floor pillar, and the lower half of the fourth-floor pillar are connected together. The upper half of the first floor pillar of the building to be constructed and the lower half of the second floor pillar may be connected together. For example, a three-story building may be constructed by placing and joining the upper half members of the third-floor pillar on the pillar 12 in FIG.

また、本発明の実施形態では、第１縦溝３８を梁心材３２の上面から下方へ形成した例を示したが、第１縦溝３８は、第２燃え代層３６の下面から上方へ形成してもよい。また、第２縦溝４６を繋ぎ梁心材４０の上面から下方へ形成した例を示したが、第２縦溝４６は、第３燃え代層４４の下面から上方へ形成してもよい。図６の横断面図に示すように、第２縦溝４６を第３燃え代層４４の下面から上方へ形成することにより、繋ぎ梁１６を上方から下方へ移動させることによって、梁１４の端面と繋ぎ梁１６の端面とが対向するように繋ぎ梁１６を配置することができる。 In the embodiment of the present invention, the first vertical groove 38 is formed downward from the upper surface of the beam core 32. However, the first vertical groove 38 is formed upward from the lower surface of the second burning allowance layer 36. May be. Moreover, although the example which formed the 2nd vertical groove 46 downward from the upper surface of the beam core material 40 was shown, you may form the 2nd vertical groove 46 upward from the lower surface of the 3rd burning allowance layer 44. FIG. As shown in the cross-sectional view of FIG. 6, by forming the second vertical groove 46 upward from the lower surface of the third burning allowance layer 44, the end face of the beam 14 is moved by moving the connecting beam 16 downward from above. The connecting beam 16 can be arranged so that the end face of the connecting beam 16 faces the end face.

また、本発明の実施形態では、図４（ｄ）に示すように、隣り合う柱１２の間に、１つの繋ぎ梁１６と、２つの梁１４とを配置した例を示したが、隣り合う柱１２の間にいくつの梁を配置するようにしてもよい。例えば、隣り合う柱１２の間に１つの梁を配置するようにしてもよい。すなわち、１つの梁１４の梁長を、図４（ｄ）で示した１つの繋ぎ梁１６と、２つの梁１４との梁長を合計した長さ（隣り合う一方の柱１２の梁接合面から、他方の柱１２の梁接合面までの長さ）にして、この梁１４の両端部を、図２で示した方法で（ドリフトピン４８により、柱１２に固定された連結板１８を梁心材３２に連結して）柱１２にそれぞれ接合すればよい。 In the embodiment of the present invention, as shown in FIG. 4D, an example in which one connecting beam 16 and two beams 14 are arranged between adjacent columns 12 is shown. Any number of beams may be arranged between the columns 12. For example, one beam may be arranged between adjacent columns 12. That is, the beam length of one beam 14 is the sum of the beam lengths of one connecting beam 16 and two beams 14 shown in FIG. 4D (the beam joint surface of one adjacent column 12). 2 to the beam joint surface of the other column 12, both ends of the beam 14 are connected to the connecting plate 18 fixed to the column 12 by the method shown in FIG. What is necessary is just to join to the pillar 12 in connection with the core material 32, respectively.

また、本発明の実施形態では、連結板１８により柱１２に梁１４と繋ぎ梁１６とを接合した例を示したが、連結板１８を複数配置するようにしてもよい。このようにすれば、連結板１８と梁心材３２及び繋ぎ梁心材４０の広い範囲とで力を伝達することができる。この場合、ドリフトピン４８、５８を複数の連結板１８に貫通させてもよいが、図７の平断面図に示すように、ドリフトピン４８、５８を連結板１８毎に設けて、それぞれのドリフトピン４８、５８を離して配置するのが好ましい。これにより、連結板１８に対して連結板１８の面方向に梁心材３２や繋ぎ梁心材４０が移動したときにドリフトピン４８、５８が曲がり、ドリフトピン４８、５８の降伏によるエネルギー吸収効果が得られる。 Further, in the embodiment of the present invention, the example in which the beam 14 and the connecting beam 16 are joined to the column 12 by the connecting plate 18 is shown, but a plurality of connecting plates 18 may be arranged. In this way, force can be transmitted between the connecting plate 18 and the wide range of the beam core material 32 and the connection beam core material 40. In this case, the drift pins 48 and 58 may be penetrated through the plurality of connecting plates 18, but as shown in the plan sectional view of FIG. The pins 48 and 58 are preferably arranged apart. Thereby, when the beam core material 32 and the connection beam core material 40 move in the surface direction of the connection plate 18 with respect to the connection plate 18, the drift pins 48 and 58 are bent, and the energy absorption effect due to the yield of the drift pins 48 and 58 is obtained. It is done.

また、本発明の実施形態では、図１、２に示すように、連結板１８をアンカーボルト２８及びナット３０により柱心材２０に固定した例を示したが、図８の側断面図に示すように、アンカーボルト２８の端部（雄ネジ部の根元付近）に鍔部７４を形成し、この鍔部７４とナット３０とによって連結板１８を挟み込むようにしてもよい。図１、２の場合において、梁１４に作用した圧縮力は連結板１８を介して柱心材２０に伝達されるが、図８の場合において、梁１４に作用した圧縮力は連結板１８を介して柱心材２０とアンカーボルト２８とに伝達される。すなわち、図８では、柱心材２０とアンカーボルト２８との両方で圧縮応力が伝達されるので接合効率を上げることができる。なお、静的な長期荷重が梁１４に作用する場合には、梁１４端面の下方に圧縮力が発生するので、下方に配置されたアンカーボルト２８の端部に鍔部７４を形成するのが効果的となる。 Further, in the embodiment of the present invention, as shown in FIGS. 1 and 2, an example in which the connecting plate 18 is fixed to the column core material 20 by the anchor bolt 28 and the nut 30 is shown, but as shown in the side sectional view of FIG. Alternatively, a flange 74 may be formed at the end of the anchor bolt 28 (near the base of the male screw), and the connecting plate 18 may be sandwiched between the flange 74 and the nut 30. In the case of FIGS. 1 and 2, the compressive force acting on the beam 14 is transmitted to the column core 20 via the connecting plate 18, but in the case of FIG. 8, the compressive force acting on the beam 14 is transmitted via the connecting plate 18. To the column core 20 and the anchor bolt 28. That is, in FIG. 8, since compressive stress is transmitted by both the column core material 20 and the anchor bolt 28, the joining efficiency can be increased. When a static long-term load is applied to the beam 14, a compressive force is generated below the end surface of the beam 14, so that the flange 74 is formed at the end of the anchor bolt 28 arranged below. Become effective.

また、本発明の実施形態では、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面とを接触させ、第２燃え止まり層３４の端面と第３燃え止まり層４２の端面とを対向させた例を示したが、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面、及び第２燃え止まり層３４の端面と第３燃え止まり層４２の端面とは、対向していればよい。すなわち、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面、及び第２燃え止まり層３４の端面と第３燃え止まり層４２の端面とは、接触していてもよいし、隙間を有していてもよい。隙間を有する場合には、第１燃え止まり層２２の側面と第２燃え止まり層３４の端面、及び第２燃え止まり層３４の端面と第３燃え止まり層４２の端面との間からの熱の進入を防ぐために、充填材Ｍを充填してこの隙間を塞ぐ。 In the embodiment of the present invention, the side face of the first dead end layer 22 and the end face of the second dead end layer 34 are brought into contact with each other, and the end face of the second dead end layer 34 and the end face of the third dead end layer 42 are brought into contact with each other. Although the example which made it oppose was shown, the side surface of the 1st flame stop layer 22, the end surface of the 2nd flame stop layer 34, the end surface of the 2nd flame stop layer 34, and the end surface of the 3rd flame stop layer 42 are facing. It only has to be. That is, the side surface of the first flame stop layer 22 and the end surface of the second flame stop layer 34, and the end surface of the second flame stop layer 34 and the end surface of the third flame stop layer 42 may be in contact with each other. You may have. When there is a gap, heat from the side surface of the first dead end layer 22 and the end face of the second dead end layer 34, and between the end face of the second dead end layer 34 and the end face of the third dead end layer 42. In order to prevent entry, a filler M is filled to close this gap.

また、本発明の実施形態では、柱１２に４つの梁１４を接合した例を示したが、柱１２に接合する梁１４はいくつでもよい。例えば、１つの梁１４のみを柱１２に接合してもよいし、平面視にて一直線状、Ｌ字状又はＴ字状に配置されるように２つ又は３つの梁１４を柱１２に接合してもよい。 In the embodiment of the present invention, the example in which the four beams 14 are joined to the column 12 has been described. However, any number of beams 14 may be joined to the column 12. For example, only one beam 14 may be joined to the column 12, or two or three beams 14 may be joined to the column 12 so as to be arranged in a straight line, an L shape, or a T shape in plan view. May be.

また、本発明の実施形態では、図４（ａ）に示すように、工場や現場仮設ヤード等にて、柱心材２０に連結板１８及び梁１４を固定した例を示したが、これらを現場の施工ヤードで行うようにしてもよい。すなわち、現場の施工ヤードの基礎７０上に設置された柱７２上に柱１２を載置し接合した後に、連結板固定工程、梁配置工程、梁接合工程を行ってもよい。 In the embodiment of the present invention, as shown in FIG. 4A, an example in which the connecting plate 18 and the beam 14 are fixed to the column core material 20 in a factory, a temporary yard, or the like is shown. It may be performed in the construction yard. That is, after the pillar 12 is placed on and joined to the pillar 72 installed on the foundation 70 of the construction yard on site, the connecting plate fixing process, the beam arranging process, and the beam joining process may be performed.

また、本発明の実施形態では、柱１２に梁１４を接合する柱梁接合構造１０について説明したが、この柱梁接合構造１０を梁同士（例えば、大梁と小梁）の接合に適用してもよい。 Further, in the embodiment of the present invention, the column beam joint structure 10 for joining the beam 14 to the column 12 has been described. However, the column beam joint structure 10 is applied to joint of beams (for example, a large beam and a small beam). Also good.

また、図９の側断面図に示すように、本発明の実施形態で示した柱梁接合構造１０を用いて柱梁架構７６を構成し、この柱梁架構７６に架構ブレース７８を設けてもよい。架構ブレース７８を設けることにより、地震時に柱梁架構７６に生じるせん断力を架構ブレース７８の軸力（引張力又は圧縮力）として負担し、柱梁架構７６のせん断抵抗を高めることができる。架構ブレース７８は、鋼製、鉄筋コンクリート製、木製等のさまざまな構成のものを用いることができる。 Further, as shown in the side sectional view of FIG. 9, a column beam frame 76 may be configured using the column beam connection structure 10 shown in the embodiment of the present invention, and a frame brace 78 may be provided on the column beam frame 76. Good. By providing the frame brace 78, the shear force generated in the column beam frame 76 during an earthquake can be borne as the axial force (tensile force or compression force) of the frame brace 78, and the shear resistance of the column beam frame 76 can be increased. The frame brace 78 can be made of various structures such as steel, reinforced concrete, and wooden.

また、これらの架構ブレース７８及び架構ブレース７８の接合部に耐火性を付与させることにより、架構ブレース７８を設けることによって柱梁架構７６の耐火性能が低下するのを防ぐことができる。 Further, by providing fire resistance to the frame brace 78 and the joint portion of the frame brace 78, it is possible to prevent the fire resistance performance of the column beam frame 76 from being lowered by providing the frame brace 78.

図９には、柱梁架構７６に木製の架構ブレース７８が設けられている例が示されている。鋼製の連結板８０が仕口部下方に位置する柱心材２０に固定され、柱梁架構７６に配置された鋼製の接合プレート８２が、ボルト８４によって連結板８０と連結板１８とに接合されている。そして、ドリフトピン８６により、この接合プレート８２に架構ブレース７８が接合されている。このように、連結板１８と、連結板８０と、接合プレート８２とを別の部材によって構成することにより、架構ブレース７８を柱梁架構７６に取り付ける直前に、柱梁架構７６に接合プレート８２を取り付けることができる。これにより、柱梁架構７６に架構ブレース７８を設ける構成においても、図４の手順により建物を構築することができる。 FIG. 9 shows an example in which a wooden frame brace 78 is provided on the column beam frame 76. A steel connecting plate 80 is fixed to the column core 20 located below the joint portion, and a steel joining plate 82 disposed on the column beam frame 76 is joined to the connecting plate 80 and the connecting plate 18 by bolts 84. Has been. A frame brace 78 is joined to the joining plate 82 by a drift pin 86. As described above, the connecting plate 18, the connecting plate 80, and the joining plate 82 are formed of different members, so that the joining plate 82 is attached to the column beam frame 76 immediately before the frame brace 78 is attached to the column beam frame 76. Can be attached. Accordingly, even in a configuration in which the frame brace 78 is provided on the column beam frame 76, the building can be constructed by the procedure of FIG.

架構ブレース７８は、軸力を負担するブレース心材８８と、このブレース心材８８の外周を取り囲む燃え止まり層９０と、燃え止まり層９０の外周を取り囲む燃え代層９２とを備えている。また、接合プレート８２は、燃え止まり層９４により取り囲まれており、この燃え止まり層９４が木製の燃え代層９６により取り囲まれている。ブレース心材８８は、柱心材２０と、燃え止まり層９０、９４は、第１燃え止まり層２２と、燃え代層９２、９６は、第１燃え代層２４と同様の材料によって形成されている。 The frame brace 78 includes a brace core member 88 that bears an axial force, a burning stop layer 90 that surrounds the outer periphery of the brace core member 88, and a burning allowance layer 92 that surrounds the outer periphery of the burning stop layer 90. Further, the joining plate 82 is surrounded by a burning-out layer 94, and this burning-out layer 94 is surrounded by a wooden burning allowance layer 96. The brace core material 88 is made of the same material as the column core material 20, the non-burning layers 90 and 94, the first non-burning layer 22, and the burning allowance layers 92 and 96.

以上、本発明の実施形態について説明したが、本発明はこうした実施形態に何等限定されるものでなく、本発明の要旨を逸脱しない範囲において、種々なる態様で実施し得ることは勿論である。 As mentioned above, although embodiment of this invention was described, this invention is not limited to such embodiment at all, Of course, in the range which does not deviate from the summary of this invention, it can implement in a various aspect.

１０柱梁接合構造
１２柱
１４梁
１６繋ぎ梁
１８連結板
２０柱心材
２２第１燃え止まり層
２４第１燃え代層
３２梁心材
３４第２燃え止まり層
３６第２燃え代層
３８第１縦溝
４０繋ぎ梁心材
４２第３燃え止まり層
４４第３燃え代層
４６第２縦溝
４８ドリフトピン（第１連結部材）
５８ドリフトピン（第２連結部材）
６６床版 DESCRIPTION OF SYMBOLS 10 Column-beam joining structure 12 Column 14 Beam 16 Connecting beam 18 Connecting plate 20 Column core material 22 1st flame stop layer 24 1st burn allowance layer 32 Beam core material 34 2nd burn dead layer 36 2nd burn allowance layer 38 1st vertical groove 40 Connecting beam core material 42 Third burning stop layer 44 Third burning allowance layer 46 Second vertical groove 48 Drift pin (first connecting member)
58 Drift pin (second connecting member)
66 Floor slab

Claims

荷重を支持する木製の柱心材と、前記柱心材の外周を取り囲む第１燃え止まり層と、前記第１燃え止まり層の外周を取り囲む木製の第１燃え代層とを備えた柱と、
前記柱心材の側面に接触した状態で固定され該側面から外側へ張り出す連結板と、
荷重を支持する木製の梁心材と、前記梁心材の側面と下面とを取り囲む第２燃え止まり層と、前記第２燃え止まり層の側面と下面とを取り囲む木製の第２燃え代層と、前記梁心材の端面から前記梁心材の梁長方向へ形成され前記連結板が挿入される第１縦溝とを備えた梁と、
前記第１縦溝に前記連結板を挿入し前記第１燃え止まり層の側面と前記第２燃え止まり層の端面とを対向させて前記第２燃え止まり層に前記連結板の側方と下方とを取り囲ませた状態で前記梁心材に前記連結板を連結する第１連結部材と、
を有する柱梁接合構造。 A column comprising a wooden pillar core material supporting a load, a first dead end layer surrounding an outer periphery of the lower pillar core member, and a first wooden burning allowance layer surrounding an outer circumference of the first dead end layer;
A connecting plate that is fixed in contact with the side surface of the pillar core and projects outward from the side surface ;
A wooden beam core supporting a load; a second burn-off layer surrounding a side surface and a lower surface of the beam core material; a wooden second burnup layer surrounding a side surface and a lower surface of the second burn-off layer; A beam comprising a first longitudinal groove formed in an end length of the beam core material in the beam length direction of the beam core material and into which the connecting plate is inserted;
The connecting plate is inserted into the first vertical groove, and the side surface of the first dead end layer and the end face of the second dead end layer are opposed to each other, and the side and lower side of the connecting plate are disposed on the second dead end layer. A first connecting member for connecting the connecting plate to the beam core in a state of surrounding
Column beam connection structure.

前記梁心材の上面に設けられ、前記第２燃え止まり層とで前記連結板の周囲を囲むコンクリート製の床版を有する請求項１に記載の柱梁接合構造。 The column beam connection structure according to claim 1, further comprising a concrete floor slab provided on an upper surface of the beam core material and surrounding the periphery of the connection plate with the second dead end layer.

荷重を支持する木製の柱心材と、前記柱心材の外周を取り囲む第１燃え止まり層と、前記第１燃え止まり層の外周を取り囲む木製の第１燃え代層とを備えた柱と、
前記柱心材に固定され前記第１燃え止まり層から外側へ張り出す連結板と、
荷重を支持する木製の梁心材と、前記梁心材の側面と下面とを取り囲む第２燃え止まり層と、前記第２燃え止まり層の側面と下面とを取り囲む木製の第２燃え代層と、前記梁心材の端面から前記梁心材の梁長方向へ形成され前記連結板が挿入される第１縦溝とを備えた梁と、
前記第１縦溝に前記連結板を挿入し前記第１燃え止まり層の側面と前記第２燃え止まり層の端面とを対向させて前記第２燃え止まり層に前記連結板の側方と下方とを取り囲ませた状態で前記梁心材に前記連結板を連結する第１連結部材と、
荷重を支持する木製の繋ぎ梁心材と、前記繋ぎ梁心材の側面と下面とを取り囲む第３燃え止まり層と、前記第３燃え止まり層の側面と下面とを取り囲む木製の第３燃え代層と、前記繋ぎ梁心材の端面から前記繋ぎ梁心材の梁長方向へ形成され前記連結板が挿入される第２縦溝とを備え前記梁に接合される繋ぎ梁と、
前記第２縦溝に前記連結板を挿入し前記第２燃え止まり層の端面と前記第３燃え止まり層の端面とを対向させ前記第３燃え止まり層に前記連結板の側方と下方とを取り囲ませた状態で前記繋ぎ梁心材に前記連結板を連結する第２連結部材と、
を有する柱梁接合構造。 A column comprising a wooden pillar core material supporting a load, a first dead end layer surrounding an outer periphery of the lower pillar core member, and a first wooden burning allowance layer surrounding an outer circumference of the first dead end layer;
A connecting plate fixed to the column core and projecting outward from the first dead end layer;
A wooden beam core supporting a load; a second burn-off layer surrounding a side surface and a lower surface of the beam core material; a wooden second burnup layer surrounding a side surface and a lower surface of the second burn-off layer; A beam comprising a first longitudinal groove formed in an end length of the beam core material in the beam length direction of the beam core material and into which the connecting plate is inserted;
The connecting plate is inserted into the first vertical groove, and the side surface of the first dead end layer and the end face of the second dead end layer are opposed to each other, and the side and lower side of the connecting plate are disposed on the second dead end layer. A first connecting member for connecting the connecting plate to the beam core in a state of surrounding
A wooden connecting beam core material supporting a load; a third dead end layer surrounding a side surface and a lower surface of the connecting beam core member; and a third wooden burn allowance layer surrounding a side surface and a lower surface of the third dead end layer. A connecting beam joined to the beam with a second longitudinal groove formed in the beam length direction of the connecting beam core from the end surface of the connecting beam core, and into which the connecting plate is inserted;
The connecting plate is inserted into the second longitudinal groove so that the end face of the second non-stop layer and the end face of the third non-stop layer face each other, and the side and the lower side of the connecting plate are placed on the third non-stop layer. A second connecting member for connecting the connecting plate to the connecting beam core in a surrounded state;
Column beam connection structure.

請求項３に記載の柱梁接合構造を構築する柱梁接合方法において、
前記第１縦溝に前記連結板が挿入されるように前記梁を移動して、前記柱の接合面と前記梁の端面とが対向するように配置する梁配置工程と、
前記第１連結部材により前記連結板を前記梁心材に連結する梁接合工程と、
前記第２縦溝に前記連結板が挿入されるように前記繋ぎ梁を上下方向へ移動して、前記梁の端面と前記繋ぎ梁の端面とが対向するように配置する繋ぎ梁配置工程と、
前記第２連結部材により前記連結板を前記繋ぎ梁心材に連結する繋ぎ梁接合工程と、
を有する柱梁接合方法。 In the beam-column joining method for constructing the beam-column joint structure according to claim 3,
A beam arranging step of moving the beam so that the connecting plate is inserted into the first vertical groove, and arranging the connecting surface of the column and an end surface of the beam to face each other;
A beam joining step of connecting the connecting plate to the beam core by the first connecting member;
A connecting beam arrangement step of moving the connecting beam in the vertical direction so that the connecting plate is inserted into the second vertical groove, and arranging the end surface of the beam and the end surface of the connecting beam to face each other;
A connecting beam joining step of connecting the connecting plate to the connecting beam core material by the second connecting member;
Column beam joining method comprising: