JP2021139259A - Indoor earthquake resistance reinforcement - Google Patents

Indoor earthquake resistance reinforcement Download PDF

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JP2021139259A
JP2021139259A JP2020053394A JP2020053394A JP2021139259A JP 2021139259 A JP2021139259 A JP 2021139259A JP 2020053394 A JP2020053394 A JP 2020053394A JP 2020053394 A JP2020053394 A JP 2020053394A JP 2021139259 A JP2021139259 A JP 2021139259A
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ceiling
wall
steel plate
fixing
reinforcement
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JP7323100B2 (en
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龍夫 高橋
Tatsuo Takahashi
龍夫 高橋
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Takahashi Kanri KK
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Takahashi Kanri KK
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Abstract

To provide an earthquake resistance reinforcing method of a wooden building which can reinforce the building by being directly attached into a room of the existing building without attaching a reinforcing member to an outer wall or the like of the existing wooden building, and can perform reinforcing construction in a short construction period.SOLUTION: A wall reinforcing two-by-four material 11 is attached up to a ceiling face from a substantially-intermediate floor face of adjacent walls 14, 21 in a room, a ceiling fixing two-by-four material 6 is attached to a ceiling 22 having the same cross section as that of the wall reinforcing two-by-four material 11, and a wall fixing two-by-four material 12 is attached by being superimposed on a width face of the wall reinforcing two-by-four material 11. A wall reinforcing member 23 which is formed by covering and fixing a wall reinforcing lateral U-shaped steel plate 10 on and to the wall reinforcing two-by-four material 12, and similarly, a ceiling reinforcing member 24 which is formed by covering and fixing a ceiling reinforcing lateral U-shaped steel plate 9 on and to the ceiling fixing two-by-four material 6 are fixed to a fixing plate of the wall reinforcing lateral U-shaped steel plate 10 and a fixing plate of the ceiling reinforcing lateral U-shaped steel plate 9 with bolts and nuts.SELECTED DRAWING: Figure 1

Description

本発明は、既存の木造建築物の耐震補強を短い工期で安価に行うための耐震補強方法に関するものである。 The present invention relates to a seismic retrofitting method for inexpensively performing seismic retrofitting of an existing wooden building in a short construction period.

従来、木造建築物に耐震性を付与する手段は多々実施されているが、そのほとんどは筋交いを配設するとか窓等の開口部を補強する程度のものであった。 Conventionally, many means for imparting earthquake resistance to wooden buildings have been implemented, but most of them are only for arranging braces or reinforcing openings such as windows.

前記従来のように、筋交いを配設するとか窓等の開口部を補強する程度のものでは、木造建築物の耐震性を向上させる手段としては不十分であった。 As described above, the provision of braces or the reinforcement of openings such as windows is insufficient as a means for improving the earthquake resistance of wooden buildings.

本発明は、既存の木造建築物の外壁等に補強部材を取り付けることなく、既存の建物の室内に直接取り付けて補強することが出来ると共に、短い工期で安価に補修工事が行える木造建築物の耐震補強工法を提供することを課題とする。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to directly attach and reinforce the interior of an existing building without attaching a reinforcing member to the outer wall of the existing wooden building, and the earthquake resistance of the wooden building can be repaired in a short period of time at low cost. The challenge is to provide a reinforcement method.

かかる課題を解決するため、請求項１に記載の発明は、木造建物における耐震補強において、室内の、向い合う壁と壁の概ね中間部床面から天井面まで壁補強用ツーバイ材を取り付けると共に、前記壁補強用ツーバイ材と同一断面の天井に、天井固定用ツーバイ材を取り付け、さらに前記壁補強用ツーバイ材の幅面に重ね合わせて、壁固定用ツーバイ材を取り付け、平板鋼板を前記壁固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた壁補強用コの字形鋼板を壁固定用ツーバイ材に被せて固定した壁用耐震補強部材と、同様に、平板鋼板を天井固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた天井補強用コの字形鋼板を天井固定用ツーバイ材に被せて固定した天井用耐震補強部材と、壁補強用コの字形鋼板の上端部の断面に取り付けた固定用プレート（Ａ）と天井補強用コの字形鋼板の端部の断面に取り付けた固定用プレート（Ｂ）をボルトとナットで固定して室内用耐震補強部材を構成したことを特徴とする。 In order to solve such a problem, in the invention according to claim 1, in seismic reinforcement in a wooden building, a two-by material for wall reinforcement is attached from a floor surface to a ceiling surface in a substantially intermediate portion between a wall facing each other in a room, and a two-by material for wall reinforcement is attached. A ceiling fixing two-by material is attached to the ceiling having the same cross section as the wall reinforcing two-by material, and the wall fixing two-by material is attached by superimposing it on the width surface of the wall reinforcing two-by material, and the flat plate steel plate is used for wall fixing. Similar to the wall seismic reinforcement member, which is a wall-fixing two-by material that is covered with a U-shaped steel plate for wall reinforcement that is bent into a U shape so that it can be covered to match the width of the two-by material. Ceiling seismic reinforcement member and wall, which is fixed by covering the ceiling fixing two-by material with a U-shaped steel plate for ceiling reinforcement bent into a U shape so that it can be covered to match the width of the ceiling fixing two-by material. Fix the fixing plate (A) attached to the cross section of the upper end of the U-shaped steel plate for reinforcement and the fixing plate (B) attached to the cross section of the end of the U-shaped steel plate for ceiling reinforcement with bolts and nuts. It is characterized by forming an indoor seismic reinforcement member.

請求項２に記載の発明は、請求項１に記載の構造に加え、壁補強用コの字形鋼板を壁固定用ツーバイ材に被せ、壁補強用コの字形鋼板の側面に釘を打ち込み固定したことを特徴とする。 In the invention according to claim 2, in addition to the structure according to claim 1, a U-shaped steel plate for wall reinforcement is covered with a two-by material for wall fixing, and nails are driven into the side surfaces of the U-shaped steel plate for wall reinforcement to fix the steel plate. It is characterized by that.

請求項３に記載の発明は、請求項１に記載の構造に加え、天井補強用コの字形鋼板を天井固定用ツーバイ材に被せ、天井補強用コの字形鋼板の側面に釘を打ち込み固定したことを特徴とする。 In the invention according to claim 3, in addition to the structure according to claim 1, a U-shaped steel plate for ceiling reinforcement is covered with a two-by material for fixing the ceiling, and nails are driven into the side surfaces of the U-shaped steel plate for ceiling reinforcement to fix the steel plate. It is characterized by that.

請求項４に記載の発明は、請求項１乃至３のいずれか１項に記載の構造に加え、壁補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し下端の側壁部を幅狭く成形すると共に、同様に、天井補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し他端の側壁部を幅狭く成形したことを特徴とする。 In the invention according to claim 4, in addition to the structure according to any one of claims 1 to 3, the side wall portion of the U-shaped steel plate for wall reinforcement on the fixing plate side is widely formed to form the side wall at the lower end. It is characterized in that the portion is formed narrowly, and similarly, the side wall portion of the ceiling reinforcing U-shaped steel plate on the fixing plate side is formed wide and the side wall portion at the other end is formed narrowly.

請求項５に記載の発明は、請求項１乃至４のいずれか１項に記載の構造に加え、室内用耐震補強部材の天井固定用ツーバイ材と天井補強用コの字形鋼板の長さを室内幅の概ね半分の長さに合わせて成形し、室内の壁面と天井面に一対の室内用耐震補強部材を左右対称に取り付けたことを特徴とする。 In the invention according to claim 5, in addition to the structure according to any one of claims 1 to 4, the lengths of the two-bye material for fixing the ceiling of the seismic retrofitting member for indoor use and the U-shaped steel plate for ceiling reinforcement are used indoors. It is characterized in that it is molded to fit approximately half the width, and a pair of indoor seismic retrofitting members are attached symmetrically to the wall surface and ceiling surface of the room.

請求項１に記載の発明によれば、木造建物における耐震補強において、室内の、向い合う壁と壁の概ね中間部床面から天井面まで壁補強用ツーバイ材を取り付けると共に、前記壁補強用ツーバイ材と同一断面の天井に、天井固定用ツーバイ材を取り付け、さらに前記壁補強用ツーバイ材の幅面に重ね合わせて、壁固定用ツーバイ材を取り付け、平板鋼板を前記壁固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた壁補強用コの字形鋼板を壁固定用ツーバイ材に被せて固定した壁用耐震補強部材と、同様に、平板鋼板を天井固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた天井補強用コの字形鋼板を天井固定用ツーバイ材に被せて固定した天井用耐震補強部材と、壁補強用コの字形鋼板の上端部の断面に取り付けた固定用プレート（Ａ）と天井補強用コの字形鋼板の端部の断面に取り付けた固定用プレート（Ｂ）をボルトとナットで固定して室内用耐震補強部材を構成したことにより、木造建物の外観に耐震補強材を取り付けることなく、予算に合わせて短い工期で簡単に耐震補強をすることが可能になった。 According to the invention according to claim 1, in seismic reinforcement in a wooden building, a wall reinforcing two-by material is attached from a floor surface to a ceiling surface in a substantially intermediate portion between a wall facing each other in a room, and the wall reinforcing two-by material is attached. A ceiling fixing two-by material is attached to the ceiling having the same cross section as the material, and the wall fixing two-by material is attached by superimposing it on the width surface of the wall reinforcing two-by material. A wall-reinforcing U-shaped steel plate bent into a U-shape so that it can be matched and covered with a wall-fixing two-by material, and a flat plate steel plate for ceiling-fixing two-by A U-shaped steel plate for ceiling reinforcement that is bent into a U-shape so that it can be covered according to the width of the material A fixing plate (A) attached to the cross section of the upper end of the steel plate and a fixing plate (B) attached to the cross section of the end of the U-shaped steel plate for ceiling reinforcement are fixed with bolts and nuts to provide an indoor seismic reinforcement member. By constructing the above, it has become possible to easily perform seismic reinforcement in a short construction period according to the budget without attaching seismic reinforcement to the exterior of the wooden building.

請求項２に記載の発明によれば、壁補強用コの字形鋼板を壁固定用ツーバイ材に被せ、壁補強用コの字形鋼板の側面に釘を打ち込み固定したことにより、耐震補強の要となる壁補強用コの字形鋼板を簡単に取り付けることが可能になった。 According to the invention of claim 2, the U-shaped steel plate for wall reinforcement is covered with the two-bye material for wall fixing, and nails are driven into the side surfaces of the U-shaped steel plate for wall reinforcement to fix the steel plate. It has become possible to easily attach a U-shaped steel plate for wall reinforcement.

請求項３に記載の発明によれば、天井補強用コの字形鋼板を天井固定用ツーバイ材に被せ、天井補強用コの字形鋼板の側面に釘を打ち込み固定したことにより、耐震補強の要となる天井補強用コの字形鋼板を簡単に取り付けることが可能になった。 According to the invention of claim 3, the U-shaped steel plate for ceiling reinforcement is covered with the two-bye material for fixing the ceiling, and nails are driven into the side surfaces of the U-shaped steel plate for ceiling reinforcement to fix the ceiling. It has become possible to easily attach a U-shaped steel plate for ceiling reinforcement.

請求項４に記載の発明によれば、壁補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し下端の側壁部を幅狭く成形すると共に、同様に、天井補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し他端の側壁部を幅狭く成形したことにより、現況の建物の耐震状態に応じて、重補強（烈震対策）から軽補強（強震対策）まで耐震補強を簡単に行うことが可能になった。 According to the invention of claim 4, the side wall portion of the U-shaped steel plate for wall reinforcement on the fixing plate side is formed widely and the side wall portion at the lower end is formed narrowly, and similarly, the ceiling reinforcing U-shaped steel plate is formed. By forming the side wall of the square steel plate on the fixing plate side wide and the side wall at the other end narrow, depending on the current seismic state of the building, heavy reinforcement (countermeasures against severe earthquakes) to light reinforcement (measures against severe earthquakes) It has become possible to easily perform seismic reinforcement up to (strong earthquake countermeasures).

請求項５に記載の発明によれば、室内用耐震補強部材の天井固定用ツーバイ材と天井補強用コの字形鋼板の長さを室内幅の概ね半分の長さに合わせて成形し、室内の壁面と天井面に一対の室内用耐震補強部材を左右対称に取り付けたことにより、室内に大型の耐震補強材を取り付けることなく木造建物を補強することが可能になった。 According to the invention of claim 5, the lengths of the ceiling-fixing two-by material and the ceiling-reinforcing U-shaped steel plate of the indoor seismic retrofitting member are formed to match the length of approximately half of the indoor width, and the interior of the room is formed. By attaching a pair of indoor seismic retrofitting members symmetrically to the wall surface and ceiling surface, it has become possible to reinforce a wooden building without attaching a large seismic retrofitting material to the interior.

以下、この発明の実施の形について説明する。 Hereinafter, embodiments of the present invention will be described.

図１乃至図７には、この発明の実施の形態を示す。 1 to 7 show embodiments of the present invention.

図１は、本発明の室内用耐震補強部材（Ａ）５と室内用耐震補強部材（Ｂ）２５を、木造建物１の１階室内１８の壁と天井の中央部に、左右対称に取り付けた状態を正面図で示す。 In FIG. 1, the indoor seismic retrofitting member (A) 5 and the indoor seismic retrofitting member (B) 25 of the present invention are symmetrically attached to the central portion of the wall and ceiling of the first floor interior 18 of the wooden building 1. The state is shown in the front view.

図２は、図１で説明した室内用耐震補強部材（Ａ）５と室内用耐震補強部材（Ｂ）２５を１階室内１８に設置した状態を斜視図で示す。 FIG. 2 is a perspective view showing a state in which the indoor seismic retrofitting member (A) 5 and the indoor seismic retrofitting member (B) 25 described with reference to FIG. 1 are installed in the room 18 on the first floor.

図３、図４は、図１、図２で説明した壁用耐震補強部材（Ａ）２３を分解図と組立図で示す。壁用耐震補強部材（Ａ）２３を構成する部材は、１階壁面（Ａ）１４を補強するためツーバイ材で成形した壁補強用ツーバイ材１１（縦３８ｍｍ、横８９ｍｍ、長さは１階床下地板１９から１階天井２２まで）を釘（Ｃ）４７で１階壁面（Ａ）１４に固定すると共に、さらに壁補強用ツーバイ材１１と同一部材の壁固定用ツーバイ材１２を壁補強用ツーバイ材１１に重ねるように釘（Ｄ）４３で壁補強用ツーバイ材１１に固定し、このように固定した壁固定用ツーバイ材１２に厚さ約２．３ｍｍ〜４．５ｍｍ（必要強度により厚さが異なる）の平板鋼板をコの字形に折り曲げ成形した壁補強用コの字形鋼板１０を被せ、壁補強用コの字形鋼板１０の左右の面に成形した穴（Ｂ）４２、穴（図示せず）に釘（Ａ）８と釘（Ｅ）５１を打ち込むことにより壁補強用コの字形鋼板１０を壁固定用ツーバイ材１２に固定した状態を図１、図２で示す。なお、壁補強用コの字形鋼板１０の形状は、壁固定用ツーバイ材１２（縦３８ｍｍ、横８９ｍｍ、長さ１階床下地板１９から１階天井２２まで）に被せることが出来るようにコの字形に成形され、図３で示すように壁補強用コの字形鋼板１０の下端の底壁部５３の下端の寸法は約８９ｍｍ、側壁部５２の下端の寸法は壁固定用ツーバイ材１２の縦幅に合わせて約３８ミリとし、さらに壁補強用コの字形鋼板１０の上部の接合端部４９の側壁部５２の寸法は要求される必要耐震強度により下部に比べ巾広く決定される。 3 and 4 show the wall seismic retrofitting member (A) 23 described with reference to FIGS. 1 and 2 in an exploded view and an assembly view. The members constituting the wall seismic reinforcing member (A) 23 are the wall reinforcing two-by material 11 (length 38 mm, width 89 mm, length under the floor of the first floor) molded from the two-by material to reinforce the first floor wall surface (A) 14. (From the main plate 19 to the ceiling 22 on the first floor) is fixed to the wall surface (A) 14 on the first floor with nails (C) 47, and the two-by material 12 for wall fixing, which is the same member as the two-by material 11 for wall reinforcement, is used for wall reinforcement. It is fixed to the wall reinforcing two-by material 11 with a nail (D) 43 so as to be overlapped with the material 11, and the wall fixing two-by material 12 fixed in this way has a thickness of about 2.3 mm to 4.5 mm (thickness depending on the required strength). The holes (B) 42 and holes (shown) were formed on the left and right surfaces of the wall reinforcing U-shaped steel plate 10 by covering the wall reinforcing U-shaped steel plate 10 by bending the flat plate steel plate (different from each other) into a U shape. 1 and 2 show a state in which the U-shaped steel plate 10 for wall reinforcement is fixed to the two-by material 12 for fixing the wall by driving the nail (A) 8 and the nail (E) 51 into the wall. The shape of the U-shaped steel plate 10 for wall reinforcement is such that it can be put on the wall fixing two-by material 12 (length 38 mm, width 89 mm, length 1st floor base plate 19 to 1st floor ceiling 22). As shown in FIG. 3, the lower end dimension of the bottom wall portion 53 at the lower end of the U-shaped steel plate 10 for wall reinforcement is about 89 mm, and the lower end dimension of the side wall portion 52 is the vertical length of the wall fixing two-by material 12. The width is set to about 38 mm, and the dimension of the side wall portion 52 of the joint end portion 49 at the upper portion of the U-shaped steel plate 10 for wall reinforcement is determined to be wider than the lower portion depending on the required seismic strength required.

さらに図３では、壁補強用コの字形鋼板１０の上端部の断面４８に取り付けるため、厚さ約９ｍｍ、幅は壁補強用コの字形鋼板１０の底壁部５３と同一幅、長さは上端部の断面４８の側壁部５２に概ね準じた長さの平板鋼板に複数の穴（Ａ）４５を開けた固定用プレート（Ａ）４４を示すと共に、図４では固定用プレート（Ａ）４４を接合端部４９に溶接で接合させた状態を示す。 Further, in FIG. 3, since it is attached to the cross section 48 of the upper end portion of the U-shaped steel plate 10 for wall reinforcement, the thickness is about 9 mm, the width is the same as the bottom wall portion 53 of the U-shaped steel plate 10 for wall reinforcement, and the length is A fixing plate (A) 44 in which a plurality of holes (A) 45 are formed in a flat steel plate having a length substantially conforming to the side wall portion 52 of the cross section 48 of the upper end portion is shown, and in FIG. 4, the fixing plate (A) 44 is shown. Is joined to the joint end portion 49 by welding.

図５、図６は、図４で説明した壁用耐震補強部材（Ａ）２３と、その壁用耐震補強部材（Ａ）２３と合体させる天井用耐震補強部材（Ａ）２４を斜視図で示す。天井用耐震補強部材（Ａ）２４を構成する部材は、ツーバイ材で成形した天井固定用ツーバイ材６（縦３８ｍｍ、横８９ｍｍ、長さは１階天井２２の横幅の半分）を壁用耐震補強部材（Ａ）２３の壁固定用ツーバイ材１２の上端部に当接させるように釘（図示せず）で１階天井２２に固定すると共に、このように固定した天井固定用ツーバイ材６に厚さ約２．３ｍｍ〜４．５ｍｍ（必要強度により厚さが異なる）の平板鋼板をコの字形に折り曲げ成形した天井補強用コの字形鋼板（Ａ）９を被せ、天井補強用コの字形鋼板（Ａ）９に成形した左右の穴（Ｄ）６４、穴（図示せず）に釘（Ｂ）７、釘（Ｆ）６７を打ち込むことにより天井補強用コの字形鋼板（Ａ）９を天井固定用ツーバイ材６に固定した状態を図６で示す。なお、天井固定用コの字形鋼板（Ａ）９の形状は、天井固定用ツーバイ材６（縦３８ｍｍ、横８９ｍｍ、長さは１階天井２２の横幅の半分）に被せることが出来るようにコの字形に成形し、天井固定用コの字形鋼板９の底壁部６９の幅は約８９ｍｍ、側壁部６８の端部６６の幅は天井固定用ツーバイ材６の縦幅に合わせて約３８ミリとし、接合端部６５の位置での側壁部６８の縦寸法は、図３で説明した壁補強用コの字形鋼板１０の上端部の断面４８と相対する寸法で形成される。 5 and 6 are perspective views showing the wall seismic retrofitting member (A) 23 described with reference to FIG. 4 and the ceiling seismic retrofitting member (A) 24 to be combined with the wall seismic retrofitting member (A) 23. .. As the member constituting the ceiling seismic reinforcement member (A) 24, the ceiling fixing two-by material 6 (length 38 mm, width 89 mm, length is half the width of the first floor ceiling 22) molded from the two-by material is used for wall seismic reinforcement. The member (A) 23 is fixed to the ceiling 22 on the first floor with a nail (not shown) so as to be in contact with the upper end of the wall fixing two-by material 12, and is thickened to the ceiling fixing two-by material 6 fixed in this way. A U-shaped steel plate (A) 9 for ceiling reinforcement, which is made by bending a flat plate steel plate of about 2.3 mm to 4.5 mm (thickness varies depending on the required strength) into a U-shape, is covered with a U-shaped steel plate for ceiling reinforcement. By driving the left and right holes (D) 64 formed into (A) 9 and the nails (B) 7 and nails (F) 67 into the holes (not shown), the U-shaped steel plate (A) 9 for ceiling reinforcement is placed on the ceiling. FIG. 6 shows a state of being fixed to the fixing two-by material 6. The shape of the U-shaped steel plate (A) 9 for fixing the ceiling is such that it can be put on the ceiling fixing two-by material 6 (length 38 mm, width 89 mm, length is half the width of the ceiling 22 on the first floor). The width of the bottom wall portion 69 of the U-shaped steel plate 9 for fixing the ceiling is about 89 mm, and the width of the end portion 66 of the side wall portion 68 is about 38 mm according to the vertical width of the two-by material 6 for fixing the ceiling. The vertical dimension of the side wall portion 68 at the position of the joint end portion 65 is formed in a dimension opposite to the cross section 48 of the upper end portion of the U-shaped steel plate 10 for wall reinforcement described with reference to FIG.

さらに、図６で示すように壁補強用コの字形鋼板１０と天井補強用コの字形鋼板（Ａ）９を結合させるため、図５で説明した天井補強用コの字形鋼板（Ａ）９の接合端部６５の端部の断面６２に、厚さ約９ｍｍ、幅は天井補強用コの字形鋼板（Ａ）９の底壁部６９と同一幅で、固定用プレート（Ａ）４４に成形した穴（Ａ）４５と相対する位置に複数の穴（Ｃ）６３を開けた固定用プレート（Ｂ）６０を溶接で接合させ、接合端部４９と接合端部６５を当接させ、ボルト６１とナット４６で固定用プレート（Ａ）４４と固定用プレート（Ｂ）６０を固定することにより壁用耐震補強部材（Ａ）２３と天井用耐震補強部材（Ａ）２４が一体となり、図１、図２で説明したように１階室内１８の１階壁面（Ａ）１４と１階天井２２に取り付けることにより木造建物１を耐震補強することが可能になった。 Further, as shown in FIG. 6, in order to join the U-shaped steel plate 10 for wall reinforcement and the U-shaped steel plate (A) 9 for ceiling reinforcement, the U-shaped steel plate (A) 9 for ceiling reinforcement described with reference to FIG. The cross section 62 of the end of the joint end 65 was formed into a fixing plate (A) 44 having a thickness of about 9 mm and a width of the same width as the bottom wall portion 69 of the U-shaped steel plate (A) 9 for ceiling reinforcement. A fixing plate (B) 60 having a plurality of holes (C) 63 formed at positions facing the holes (A) 45 is joined by welding, and the joint end portion 49 and the joint end portion 65 are brought into contact with each other to form a bolt 61. By fixing the fixing plate (A) 44 and the fixing plate (B) 60 with the nut 46, the wall seismic reinforcing member (A) 23 and the ceiling seismic reinforcing member (A) 24 are integrated, and FIGS. As described in 2, the wooden building 1 can be seismically reinforced by attaching it to the first floor wall surface (A) 14 and the first floor ceiling 22 of the first floor room 18.

図７は、図５で説明した固定用プレート（Ａ）４４と固定用プレート（Ｂ）６０をボルト６１とナット４６で固定することにより、壁補強用コの字形鋼板１０と天井補強用コの字形鋼板（Ａ）９を固定した状態を断面図で示す。このように構成することにより、木造建物の外観に耐震補強材を取り付けることなく予算に合わせて短い工期で簡単に木造建物の耐震補強をすることが可能になった。 FIG. 7 shows the wall reinforcing U-shaped steel plate 10 and the ceiling reinforcing U by fixing the fixing plate (A) 44 and the fixing plate (B) 60 described with reference to FIG. 5 with bolts 61 and nuts 46. A cross-sectional view shows a state in which the character steel plate (A) 9 is fixed. With this configuration, it has become possible to easily retrofit a wooden building in a short construction period according to the budget without attaching a seismic retrofitting material to the exterior of the wooden building.

以上、実施の形態に基づいて、本発明に係る室内耐震補強について詳細に説明してきたが、本発明は、以上の実施の形態に限定されるものではなく、発明の趣旨を逸脱しない範囲において各種の改変をなしても、本発明の技術的範囲に属するのはもちろんである。 Although the indoor seismic retrofitting according to the present invention has been described in detail based on the above embodiments, the present invention is not limited to the above embodiments, and various types are described without departing from the spirit of the invention. Of course, even if the above is modified, it belongs to the technical scope of the present invention.

本発明の実施の形態に係る、木造建築物の室内に室内用耐震補強部材を取り付けた状態を正面から斜視図で示す。The state in which the seismic retrofitting member for indoor use is attached to the interior of the wooden building according to the embodiment of the present invention is shown from the front in a perspective view. 同実施の形態に係る、図１で示した斜視図を木造建築物の斜め上方から見た状態を斜視図で示す。A perspective view of the perspective view shown in FIG. 1 according to the same embodiment as viewed from diagonally above the wooden building is shown in the perspective view. 同実施の形態に係る、図１で示した室内用耐震補強部材の壁用耐震補強部材を分解した部品図で示す。The wall seismic retrofitting member of the indoor seismic retrofitting member shown in FIG. 1 according to the same embodiment is shown in a disassembled parts diagram. 同実施の形態に係る、図３で示した壁用耐震補強部材を部分的に組立てた状態を示す。A state in which the seismic retrofitting member for walls shown in FIG. 3 according to the same embodiment is partially assembled is shown. 同実施の形態に係る、図４で示した壁用耐震補強部材に天井用耐震補強部材を分解した部品の状態で配置した状態を示す。A state in which the ceiling seismic retrofitting member is disassembled and arranged on the wall seismic retrofitting member shown in FIG. 4 according to the same embodiment is shown. 同実施の形態に係る、図５で示した壁用耐震補強部材と天井用耐震補強部材を組立てた状態を示す。A state in which the wall seismic retrofitting member and the ceiling seismic retrofitting member shown in FIG. 5 according to the same embodiment are assembled is shown. 同実施の形態に係る、壁用耐震補強部材と天井用耐震補強部材を結合した状態を正面図で示す。A front view shows a state in which the seismic retrofitting member for walls and the seismic retrofitting member for ceilings according to the same embodiment are combined.

１ 木造建物
２ ２階室内
４ 床梁
５ 室内用耐震補強部材（Ａ）
６ 天井固定用ツーバイ材
７ 釘（Ｂ）
８ 釘（Ａ）
９ 天井補強用コの字形鋼板
１０ 壁補強用コの字形鋼板
１１ 壁補強用ツーバイ材
１２ 壁固定用ツーバイ材
１３ 柱（Ａ）
１４ １階壁面（Ａ）
１５ 土台
１６ 基礎コンクリート
１８ １階室内
１９ １階床下地板
２０ 柱（Ｂ）
２１ １階壁面（Ｂ）
２２ １階天井
２３ 壁用耐震補強部材（Ａ）
２４ 天井用耐震補強部材（Ａ）
２５ 天井用耐震補強部材（Ｂ）
２６ 壁用耐震補強部材（Ｂ）
２７ 地表面
２８ 天井用耐震補強部材（Ｂ）
３０ 屋根
３１ 壁（Ａ）
３２ 壁（Ｂ）
４０ 穴位置（Ａ）
４１ 穴位置（Ｂ）
４２ 穴（Ｂ）
４３ 釘（Ｄ）
４４ 固定用プレート（Ａ）
４５ 穴（Ａ）
４６ ナット
４７ 釘（Ｃ）
４８ 上端部の断面
４９ 接合端部
５０ 下端部
５１ 釘（Ｅ）
６０ 固定用プレート（Ｂ）
６１ ボルト
６２ 端部の断面
６３ 穴（Ｃ）
６４ 穴（Ｄ）
６５ 接合端部
６６ 端部
６７ 釘（Ｆ）
６８ 側壁部
６９ 底壁部1 Wooden building 2 2nd floor indoor 4 Floor beams 5 Indoor seismic retrofitting member (A)
6 Two-by material for fixing the ceiling 7 Nail (B)
8 nails (A)
9 U-shaped steel plate for ceiling reinforcement 10 U-shaped steel plate for wall reinforcement 11 Two-by material for wall reinforcement 12 Two-by material for wall fixing 13 Pillars (A)
14 1st floor wall surface (A)
15 Foundation 16 Foundation concrete 18 1st floor room 19 1st floor floor base plate 20 Pillars (B)
21 1st floor wall surface (B)
22 1st floor ceiling 23 Seismic retrofitting member for walls (A)
24 Seismic retrofitting member for ceiling (A)
25 Seismic retrofitting member for ceiling (B)
26 Seismic retrofitting member for walls (B)
27 Ground surface 28 Seismic retrofitting member for ceiling (B)
30 roof 31 wall (A)
32 wall (B)
40 hole position (A)
41 Hole position (B)
42 holes (B)
43 Nail (D)
44 Fixing plate (A)
45 holes (A)
46 Nut 47 Nail (C)
48 Cross section of the upper end 49 Joint end 50 Lower end 51 Nail (E)
60 Fixing plate (B)
61 Bolt 62 Cross section 63 hole (C) at the end
64 holes (D)
65 Joint end 66 End 67 Nail (F)
68 Side wall 69 Bottom wall

Claims (5)

木造建物における耐震補強において、
室内の、向い合う壁と壁の概ね中間部床面から天井面まで壁補強用ツーバイ材を取り付けると共に、前記壁補強用ツーバイ材と同一断面の天井に、天井固定用ツーバイ材を取り付け、
さらに前記壁補強用ツーバイ材の幅面に重ね合わせて、壁固定用ツーバイ材を取り付け、
平板鋼板を前記壁固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた壁補強用コの字形鋼板を壁固定用ツーバイ材に被せて固定した壁用耐震補強部材と、
同様に、平板鋼板を天井固定用ツーバイ材の幅に合致させて被せることが出来るようにコの字形に折り曲げた天井補強用コの字形鋼板を天井固定用ツーバイ材に被せて固定した天井用耐震補強部材と、
壁補強用コの字形鋼板の上端部の断面に取り付けた固定用プレート（Ａ）と天井補強用コの字形鋼板の端部の断面に取り付けた固定用プレート（Ｂ）をボルトとナットで固定して室内用耐震補強部材を構成したことを特徴とする室内耐震補強。In seismic retrofitting of wooden buildings
A two-bye material for wall reinforcement is attached from the floor surface to the ceiling surface, which is approximately intermediate between the walls facing each other in the room, and a two-bye material for fixing the ceiling is attached to the ceiling having the same cross section as the two-bye material for wall reinforcement.
Further, the wall fixing two-by material is attached by superimposing it on the width surface of the wall reinforcing two-by material.
Seismic retrofitting member for walls, in which a U-shaped steel plate for wall reinforcement, which is bent into a U shape so that a flat steel plate can be covered to match the width of the two-by material for wall fixing, is covered and fixed on the two-by material for wall fixing. When,
Similarly, a ceiling-reinforcing U-shaped steel plate that is bent into a U-shape so that the flat steel plate can be covered to match the width of the ceiling-fixing two-by material is covered and fixed on the ceiling-fixing two-by material. Reinforcing members and
Fix the fixing plate (A) attached to the cross section of the upper end of the U-shaped steel plate for wall reinforcement and the fixing plate (B) attached to the cross section of the end of the U-shaped steel plate for ceiling reinforcement with bolts and nuts. Indoor seismic retrofitting, which is characterized by the construction of indoor seismic retrofitting members. 壁補強用コの字形鋼板を壁固定用ツーバイ材に被せ、壁補強用コの字形鋼板の側面に釘を打ち込み固定したことを特徴とする請求項１に記載の室内耐震補強。 The indoor seismic reinforcement according to claim 1, wherein a U-shaped steel plate for wall reinforcement is covered with a two-by material for wall fixing, and nails are driven into the side surfaces of the U-shaped steel plate for wall reinforcement to fix the steel plate. 天井補強用コの字形鋼板を天井固定用ツーバイ材に被せ、天井補強用コの字形鋼板の側面に釘を打ち込み固定したことを特徴とする請求項１に記載の室内耐震補強。 The indoor seismic reinforcement according to claim 1, wherein a U-shaped steel plate for ceiling reinforcement is covered with a two-by material for fixing the ceiling, and nails are driven into the side surfaces of the U-shaped steel plate for ceiling reinforcement. 壁補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し下端の側壁部を幅狭く成形すると共に、同様に、天井補強用コの字形鋼板の、前記固定用プレート側の側壁部を幅広く成形し他端の側壁部を幅狭く成形したことを特徴とする請求項１乃至３のいずれか１項に記載の室内耐震補強。 The side wall portion of the U-shaped steel plate for wall reinforcement on the fixing plate side is formed widely and the side wall portion at the lower end is formed narrowly, and similarly, the U-shaped steel plate for ceiling reinforcement is formed on the fixing plate side. The indoor seismic reinforcement according to any one of claims 1 to 3, wherein the side wall portion is formed widely and the side wall portion at the other end is formed narrowly. 室内用耐震補強部材の天井固定用ツーバイ材と天井補強用コの字形鋼板の長さを室内幅の概ね半分の長さに合わせて成形し、室内の壁面と天井面に一対の室内用耐震補強部材を左右対称に取り付けたことを特徴とする請求項１乃至４のいずれか１項に記載の室内耐震補強。 A pair of indoor seismic reinforcements are formed on the wall and ceiling of the room by molding the length of the two-bye material for fixing the ceiling of the indoor seismic reinforcement member and the U-shaped steel plate for ceiling reinforcement to approximately half the length of the room. The indoor seismic retrofit according to any one of claims 1 to 4, wherein the members are attached symmetrically.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3015488U (en) * 1995-03-06 1995-09-05 株式会社三陽鉄工所 Structure to prevent collapse of wooden house room
JPH08296331A (en) * 1995-04-26 1996-11-12 Yamayo Center:Kk House reinforcing apparatus for earthquake resistance
JP2004285817A (en) * 2003-08-29 2004-10-14 J Kenchiku Syst Kk Woody earthquake-resistance opening frame built into wooden body
JP2006070607A (en) * 2004-09-03 2006-03-16 Yuzo Ozawa Earthquake resistance reinforcing device for making use of existing building
JP2018115536A (en) * 2017-01-17 2018-07-26 大輔 西坂 Simple earthquake-resistant frame

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3015488U (en) * 1995-03-06 1995-09-05 株式会社三陽鉄工所 Structure to prevent collapse of wooden house room
JPH08296331A (en) * 1995-04-26 1996-11-12 Yamayo Center:Kk House reinforcing apparatus for earthquake resistance
JP2004285817A (en) * 2003-08-29 2004-10-14 J Kenchiku Syst Kk Woody earthquake-resistance opening frame built into wooden body
JP2006070607A (en) * 2004-09-03 2006-03-16 Yuzo Ozawa Earthquake resistance reinforcing device for making use of existing building
JP2018115536A (en) * 2017-01-17 2018-07-26 大輔 西坂 Simple earthquake-resistant frame

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