JP7323100B2

JP7323100B2 - Indoor seismic reinforcement

Info

Publication number: JP7323100B2
Application number: JP2020053394A
Authority: JP
Inventors: 龍夫高橋
Original assignee: 株式会社高橋監理
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2023-08-08
Anticipated expiration: 2040-03-06
Also published as: JP2021139259A

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。 TECHNICAL FIELD The present invention relates to a seismic reinforcement method for performing seismic reinforcement of an existing wooden building in a short construction period and at low cost.

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 measures have been taken to impart earthquake resistance to wooden buildings, but most of them have been limited to installing 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 in the prior art, the provision of braces or reinforcement of openings such as windows is insufficient as 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。 The present invention provides an anti-earthquake wooden building that can be directly attached to the interior of an existing building for reinforcement without attaching reinforcing members to the outer wall of the existing wooden building, and that can be repaired at low cost in a short construction period. An object of the present invention 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、木造建物における室内耐震補強方法において、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 this problem, the invention described in claim 1 is a method for indoor earthquake resistance reinforcement in a wooden building, in which two-by members for wall reinforcement are installed from the floor surface to the ceiling surface at approximately the midpoint between the walls facing each other in the room. At the same time, a ceiling fixing two-by member is attached to the ceiling having the same cross section as the wall reinforcing two-by member, a wall fixing two-by member is attached by overlapping the width surface of the wall reinforcing two-by member, and a flat steel plate is attached to the wall. As well as the wall anti-seismic reinforcing member in which a U-shaped steel plate for wall reinforcement is bent in a U-shape so that it can be covered by matching the width of the fixing two-by material and fixed by covering the wall fixing two-by material. A seismic reinforcing member for ceiling in which a U-shaped steel plate for ceiling reinforcement is bent into a U-shape so that a flat steel plate can be matched with the width of the two-by material for ceiling fixing and can be covered, and the two-by material for ceiling fixing is covered and fixed. A fixing plate (A) attached to the cross section of the upper end of the U-shaped steel plate for wall reinforcement 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. It is characterized by constituting an indoor seismic reinforcement member by

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 put on the two-bye material for fixing the wall, and a nail is driven into the side surface of the U-shaped steel plate for wall reinforcement and fixed. It is characterized by

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 put on the two-bye material for fixing the ceiling, and a nail is driven into the side surface of the U-shaped steel plate for ceiling reinforcement and fixed. It is characterized by

請求項１に記載の発明によれば、木造建物における室内耐震補強方法において、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室内耐震補強をすることが可能になった。According to the first aspect of the invention, there is provided a method for reinforcing an indoor seismic resistance in a wooden building, in which a two-by material for wall reinforcement is installed from the floor surface to the ceiling surface at approximately the midpoint between the walls facing each other in the room, and the wall reinforcement is installed. A ceiling fixing two-by material is attached to the ceiling having the same cross section as the two-by material for fixing the ceiling, and the wall fixing two-by material is attached by overlapping the width surface of the wall reinforcing two-by material, and a flat steel plate is attached to the wall fixing two-by material. Aseismatic reinforcing member for wall, in which a U-shaped steel plate for wall reinforcement is bent in a U-shape so that it can be covered by matching the width, and fixed by covering the two-bye material for wall fixing, and similarly, a flat steel plate is fixed to the ceiling. Seismic reinforcing member for ceiling, which is fixed by covering the ceiling fixing two-by material with a U-shaped steel plate for ceiling reinforcement that is bent in a U-shape so that it can be covered by matching the width of the two-by material for ceiling, and a wall reinforcing member The fixing plate (A) attached to the upper end of the U-shaped steel plate and the fixing plate (B) attached to the end of the U-shaped steel plate for ceiling reinforcement are fixed with bolts and nuts to create an indoor seismic resistance structure. By constructing the reinforcement members, it became possible to easily seismically reinforce the interior of the building in a short construction period according to the budget without attaching seismic reinforcing materials 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、室内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 described in claim 2, the U-shaped steel plate for wall reinforcement is placed on the two-bye material for fixing the wall, and the nail is driven into the side surface of the U-shaped steel plate for wall reinforcement to fix it. It became possible to easily install the 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、室内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 placed on the two-bye material for fixing the ceiling, and a nail is driven into the side surface of the U-shaped steel plate for ceiling reinforcement to fix it. It became possible to easily install the U-shaped steel plate for ceiling reinforcement.

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

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 an embodiment of the 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。 FIG. 1 shows the interior seismic reinforcement member (A) 5 and the interior seismic reinforcement member (B) 25 of the present invention, which are attached symmetrically to the center of the wall and ceiling of the first floor room 18 of a wooden building 1. The state is shown in a 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 reinforcing member (A) 5 and the indoor seismic reinforcing member (B) 25 described in FIG. 1 are installed in the first floor room 18 .

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。 FIGS. 3 and 4 show an exploded view and an assembled view of the earthquake-resistant reinforcing member for wall (A) 23 explained in FIGS. 1 and 2. FIG. The member constituting the wall earthquake-resistant reinforcement member (A) 23 is a two-bye wall reinforcing member 11 (38 mm long, 89 mm wide, length of 1st floor underfloor) molded from a two-bye material to reinforce the first floor wall surface (A) 14. The ground plate 19 to the first floor ceiling 22) is fixed to the first floor wall surface (A) 14 with nails (C) 47, and the wall fixing two-by material 12, which is the same member as the wall reinforcing two-by material 11, is attached to the wall reinforcing two-by material. It is fixed to the wall reinforcing two-by material 11 with nails (D) 43 so as to overlap 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). A wall reinforcing U-shaped steel plate 10 formed by bending a flat steel plate of a different height into a U-shape is covered, and holes (B) 42 and holes (not shown) are formed on the left and right surfaces of the wall reinforcing U-shaped steel plate 10. 1 and 2 show a state in which the wall reinforcing U-shaped steel plate 10 is fixed to the wall fixing two-by member 12 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 covered with a two-bye material 12 for wall fixing (38 mm long, 89 mm wide, length from the first floor base plate 19 to the first floor ceiling 22). As shown in FIG. 3, the lower end 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 of the side wall portion 52 is about 89 mm long. The width is set to about 38 mm, and the size of the side wall portion 52 of the joint end portion 49 of the upper portion of the U-shaped steel plate 10 for wall reinforcement is determined to be wider than that of the lower portion according to the necessary 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。 Furthermore, 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 having a plurality of holes (A) 45 drilled in a flat steel plate having a length approximately corresponding to the side wall portion 52 of the cross section 48 of the upper end is shown. is joined to the joining 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 of the earthquake-resistant reinforcing member for wall (A) 23 explained in FIG. . The member constituting the ceiling seismic reinforcement member (A) 24 is a two-bye ceiling fixing member 6 (38 mm long, 89 mm wide, and half the width of the first floor ceiling 22 in length) molded from two-bye material. The member (A) 23 is fixed to the first floor ceiling 22 with a nail (not shown) so as to abut on the upper end of the wall fixing two-by member 12, and the ceiling fixing two-by member 6 fixed in this way has a thickness. A U-shaped steel plate for ceiling reinforcement (A) 9, which is formed by bending a flat steel plate with a thickness of about 2.3 mm to 4.5 mm (thickness varies depending on the required strength) into a U-shape, is covered, and the U-shaped steel plate for ceiling reinforcement is covered. Left and right holes (D) 64 formed in (A) 9, nails (B) 7 and nails (F) 67 are driven into the holes (not shown) to attach the U-shaped steel plate (A) 9 for ceiling reinforcement to the ceiling. FIG. 6 shows the state of fixing to the fixing two-by material 6 . The U-shaped steel plate (A) 9 for fixing the ceiling is shaped so that it can be covered with the two-bye material 6 for fixing the ceiling (38 mm long, 89 mm wide, and half the width of the first floor ceiling 22 in length). The width of the bottom wall portion 69 of the ceiling fixing U-shaped steel plate 9 is about 89 mm, and the width of the end portion 66 of the side wall portion 68 is about 38 mm, matching the vertical width of the ceiling fixing two-by material 6. The vertical dimension of the side wall portion 68 at the position of the joint end portion 65 is formed to correspond to the cross section 48 of the upper end portion of the wall-reinforcing U-shaped steel plate 10 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。 Furthermore, as shown in FIG. 6, in order to connect 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 explained in FIG. A fixing plate (A) 44 having a thickness of about 9 mm and a width equal to that of the bottom wall portion 69 of the U-shaped steel plate (A) 9 for ceiling reinforcement was formed on the cross section 62 of the end portion of the joint end portion 65. A fixing plate (B) 60 having a plurality of holes (C) 63 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. By fixing the fixing plate (A) 44 and the fixing plate (B) 60 with a nut 46, the wall earthquake-resistant reinforcing member (A) 23 and the ceiling earthquake-resistant reinforcing member (A) 24 are integrated, as shown in FIGS. 2, by attaching to the first floor wall surface (A) 14 of the first floor room 18 and the first floor ceiling 22, the wooden building 1 can be seismically reinforced.

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 that the fixing plate (A) 44 and the fixing plate (B) 60 explained in FIG. The cross-sectional view shows a state in which the character-shaped steel plate (A) 9 is fixed. By constructing in this way, it is possible to easily seismically reinforce the wooden building in a short construction period according to the budget without attaching the seismic reinforcing 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 reinforcement according to the present invention has been described in detail above based on the embodiments, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the invention. Of course, even if the modifications are made, they belong 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。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front perspective view showing a state in which an indoor seismic reinforcement member is attached to a room of a wooden building according to an embodiment of the present invention; 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。FIG. 2 shows a perspective view of the perspective view shown in FIG. 1 as viewed obliquely from above the wooden building according to the same embodiment. 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。FIG. 2 is an exploded part view of the wall earthquake-resistant reinforcement member of the indoor earthquake-resistant reinforcement member shown in FIG. 1 according to the same embodiment. 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。FIG. 4 shows a state in which the seismic reinforcing member for wall shown in FIG. 3 according to the same embodiment is partially assembled. 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。FIG. 5 shows a state in which the seismic reinforcing member for ceiling is arranged in the state of disassembled parts on the seismic reinforcing member for wall shown in FIG. 4 according to the same embodiment. 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。FIG. 6 shows a state in which the earthquake-resistant reinforcement member for walls and the earthquake-resistant reinforcement member for ceilings shown in FIG. 5 are assembled according to the same embodiment. 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。The front view shows a state in which the earthquake-resistant reinforcement member for walls and the earthquake-resistant reinforcement member for ceilings according to the same embodiment are connected.

１木造建物
２２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）
１４１階壁面（Ａ）
１５土台
１６基礎コンクリート
１８１階室内
１９１階床下地板
２０柱（Ｂ）
２１１階壁面（Ｂ）
２２１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 interior 4 Floor beam 5 Interior seismic reinforcing member (A)
6 Two-bye material for ceiling fixing 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 Column (A)
14 1st floor wall (A)
15 Foundation 16 Foundation concrete 18 1st floor interior 19 1st floor base plate 20 Column (B)
21 1st floor wall (B)
22 1st floor ceiling 23 Seismic reinforcing member for wall (A)
24 Seismic reinforcing member for ceiling (A)
25 Seismic reinforcing member for ceiling (B)
26 Seismic reinforcing member for walls (B)
27 Ground surface 28 Seismic reinforcing member for ceiling (B)
30 roof 31 wall (A)
32 wall (B)
40 hole position (A)
41 hole position (B)
42 holes (B)
43 nails (D)
44 fixing plate (A)
45 holes (A)
46 nut 47 nail (C)
48 Top end section 49 Joint end 50 Bottom end 51 Nail (E)
60 fixing plate (B)
61 bolt 62 end section 63 hole (C)
64 holes (D)
65 joint end 66 end 67 nail (F)
68 side wall portion 69 bottom wall portion

Claims

In the indoor seismic reinforcement method for wooden buildings,
A wall reinforcing two-by material is attached from the floor surface to the ceiling surface at approximately the middle between the walls facing each other in the room, and a ceiling fixing two-by material is attached to the ceiling having the same cross section as the wall reinforcing two-by material,
Furthermore, a wall fixing two-by material is attached by overlapping it with the width surface of the wall reinforcing two-by material,
A seismic reinforcing member for walls in which a U-shaped steel plate for wall reinforcement is bent into a U-shape so that a flat steel plate is matched with the width of the two-by material for wall fixing and can be covered. and,
In the same way, the ceiling reinforcing U-shaped steel plate is bent into a U-shape so that it can be covered by matching the width of the ceiling fixing two-by material and covering it with the ceiling fixing two-by material. a reinforcing member;
The fixing plate (A) attached to the upper end section of the U-shaped steel plate for wall reinforcement and the fixing plate (B) attached to the end section of the U-shaped steel plate for ceiling reinforcement are fixed with bolts and nuts. An indoor seismic reinforcement method , characterized in that an indoor seismic reinforcement member is constructed by

2. A method for seismically reinforcing a room according to claim 1, wherein the U-shaped steel plate for wall reinforcement is placed over the two-bye member for fixing the wall, and a nail is driven into the side surface of the U-shaped steel plate for wall reinforcement.

2. The method of claim 1, wherein the U-shaped steel plate for ceiling reinforcement is placed over the ceiling fixing two-by material, and a nail is driven into the side surface of the U-shaped steel plate for ceiling reinforcement and fixed.