JP6216659B2 - Method of dividing the outer wall of a brick building to be relocated - Google Patents

Method of dividing the outer wall of a brick building to be relocated Download PDF

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JP6216659B2
JP6216659B2 JP2014032754A JP2014032754A JP6216659B2 JP 6216659 B2 JP6216659 B2 JP 6216659B2 JP 2014032754 A JP2014032754 A JP 2014032754A JP 2014032754 A JP2014032754 A JP 2014032754A JP 6216659 B2 JP6216659 B2 JP 6216659B2
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brick wall
wall
dividing
brick
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JP2015158074A (en
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永 佐藤
永 佐藤
渡辺　英彦
英彦 渡辺
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Kumagai Gumi Co Ltd
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Description

本発明は、文化遺産のひとつである煉瓦造りの建物の移築のために解体される前記建物の外壁の分断方法に関する。   The present invention relates to a method for dividing an outer wall of a building to be demolished for relocation of a brick building that is one of cultural heritage sites.

従来、煉瓦造りの建物を歴史的遺産として保存するため、これを解体し、移築することが行われている。解体された建物は、移築地において元通りに組み立てられ、復元される（後記非特許文献１参照）。本発明は、このような煉瓦造りの建物のうち、特にアーチ部を有する煉瓦造りの建物、より詳細にはその外壁(煉瓦壁)を対象とする。   Conventionally, in order to preserve a brick building as a historical heritage, it has been dismantled and relocated. The demolished building is assembled and restored as it was in the relocation site (see Non-Patent Document 1 below). The present invention is directed to such a brick building, in particular, a brick building having an arch portion, and more specifically, its outer wall (brick wall).

野中、「熊本学園大学産業資料館（旧月星化成(株)熊本工場電気室）の解体移築について」、建材フォーラム、株式会社工文社、２００４年１２月、ｐ．１６−１９）Nonaka, “Regarding the Demolition and Transfer of Kumamoto Gakuen University Industrial Museum (formerly Tsukisei Kasei Co., Ltd. Kumamoto Factory Electrical Room)”, Building Materials Forum, Kobunsha Co., Ltd., December 2004, p. 16-19)

煉瓦壁はその解体時に板状の複数のピースに分断される。このとき、前記煉瓦壁が備えるアーチ部が分割されると、前記アーチ部が本来有する重量支持機能が失われる。このため、このときは、復元後の煉瓦壁を直立状態に支持するために設けられる支持構造物が前記重量支持機能をも担うように構成される。しかし、これには前記支持構造物の構成部品の大型化、構成部品数の増大等とこれに伴う前記支持構造物の構成の複雑化とを招く。   The brick wall is divided into a plurality of plate-shaped pieces when dismantling. At this time, when the arch part included in the brick wall is divided, the weight support function that the arch part originally has is lost. For this reason, at this time, the support structure provided to support the restored brick wall in an upright state is also configured to perform the weight support function. However, this leads to an increase in the size of the components of the support structure, an increase in the number of components, and a complication of the configuration of the support structure.

したがって、本発明の目的は、アーチ部を有する煉瓦壁の分断方法であって、復元後の煉瓦壁を支持するために設置される支持構造物の複雑化を招来しない、前記煉瓦壁の分断方法を提供することにある。   Therefore, an object of the present invention is a method for dividing a brick wall having an arch portion, and the method for dividing a brick wall does not cause complication of a support structure installed to support the restored brick wall. Is to provide.

本発明は、移築対象であるアーチ部を有する煉瓦壁の分断方法に係り、該分断方法は前記煉瓦壁を板状の複数のピースであって該複数のピースの内の１つのピースが前記アーチ部全体を含む複数のピースに分断することを含む。
The present invention relates to a method for dividing a brick wall having an arch portion to be transferred, wherein the dividing method includes a plurality of plate-shaped pieces of the brick wall, and one piece among the plurality of pieces is the arch. It includes dividing into a plurality of pieces including the entire part.

移築前の煉瓦壁を切断して得られた複数のピースは、移築地において積み上げられ、これにより前記煉瓦壁が復元される。本発明にあっては、前記煉瓦壁をそのアーチ部が１つのピースに含まれるように切断する。これによれば、前記アーチ部は分割されず、該アーチ部が分割された場合における前記アーチ部の重量支持機能の喪失が回避される。したがって、前記煉瓦壁の復元のために積み上げられた他の複数のピースの重量は前記１つのピースのアーチ部によって支持される。このことから、復元後の煉瓦壁を直立状態に支持するために設置される支持構造物に前記複数のピースの重量を支持する機能を付加する必要がなく、前記支持構造物の複雑化を回避することができる。   A plurality of pieces obtained by cutting the brick wall before the transfer is stacked at the transfer site, thereby restoring the brick wall. In the present invention, the brick wall is cut so that the arch portion is included in one piece. According to this, the arch part is not divided, and loss of the weight support function of the arch part when the arch part is divided is avoided. Therefore, the weight of the other plurality of pieces stacked for restoring the brick wall is supported by the arch portion of the one piece. From this, it is not necessary to add a function to support the weight of the plurality of pieces to the support structure installed to support the restored brick wall in an upright state, thereby avoiding the complexity of the support structure. can do.

好ましくは、前記複数のピースへの分断は、前記煉瓦壁の壁面で見て、前記複数のピースが複数の段をなし、鉛直方向に隣接する上段の２つのピース及び下段の２つのピースの鉛直な２つの境界面が水平方向に関して異なる位置にあるように行う。   Preferably, the division into the plurality of pieces is performed by dividing the plurality of pieces into a plurality of steps as viewed from the wall surface of the brick wall, and vertically connecting two upper and two lower pieces adjacent in the vertical direction. The two boundary surfaces are located at different positions in the horizontal direction.

これによれば、上段における２つのピースの境界面とその下段における２つのピースの境界面とが水平方向にずれていることから、両境界面が一致する場合と異なり、上段のピースの重量が下段のピースに均等に伝達される。   According to this, since the boundary surface of the two pieces in the upper stage and the boundary surface of the two pieces in the lower stage are shifted in the horizontal direction, the weight of the upper piece is different from the case where both the boundary surfaces coincide. Evenly transmitted to the lower piece.

複数のピースに分断予定の煉瓦壁の部分立面図である。It is a partial elevation view of a brick wall scheduled to be divided into a plurality of pieces.

図１を参照すると、移築される煉瓦壁１０が部分的に示されている。煉瓦壁１０は複数のアーチ部１２を備える。図１には、２つのアーチ部１２が示されている。但し、本発明は、単一のアーチ部を有する煉瓦壁（図示せず）についても適用可能である。   Referring to FIG. 1, a brick wall 10 to be transferred is partially shown. The brick wall 10 includes a plurality of arch portions 12. In FIG. 1, two arch portions 12 are shown. However, the present invention is also applicable to a brick wall (not shown) having a single arch portion.

煉瓦壁１０は、本発明に係る分断方法に従って、移築前に板状の複数のピース１４、１６、１８、２０に分割される。得られた複数のピース１４、１６、１８、２０は、移築地の地盤２２上に元通りに積み上げられ、これにより、煉瓦壁１０が復元される。   The brick wall 10 is divided into a plurality of plate-like pieces 14, 16, 18, 20 before relocation according to the cutting method according to the present invention. The obtained pieces 14, 16, 18, and 20 are stacked on the ground 22 of the relocation site as they are, and thereby the brick wall 10 is restored.

複数のピース１４、１６、１８、２０への分断は、煉瓦壁１０の壁面で見て、複数の段をなすように行う。図１に示すところでは、最下段である一段目に３つのピース１４が示され、その上の二段目に２つのピース１６が示され、その上の三段目に３つのピース１８が示され、最上の四段目に２つのピース２０が示されている。   The division into the plurality of pieces 14, 16, 18, and 20 is performed so as to form a plurality of steps as viewed from the wall surface of the brick wall 10. As shown in FIG. 1, three pieces 14 are shown in the lowermost first stage, two pieces 16 are shown in the second upper stage, and three pieces 18 are shown in the third upper stage. The two pieces 20 are shown in the uppermost fourth row.

煉瓦壁１０の前記複数のピースへの分断は、通常、糸鋸（図示せず）を用いて煉瓦壁１０を縦横に切断することにより行う。図上、符号Ａが付された小円は、煉瓦壁１０の切断に先立ち、煉瓦壁１０に穿たれる糸鋸刃のための挿通孔を示す。煉瓦壁１０は、挿通孔Ａを起点として切断される。符号Ｂで示す二重線は、前記糸鋸の予定切断線を示す。   The division of the brick wall 10 into the plurality of pieces is usually performed by cutting the brick wall 10 vertically and horizontally using a yarn saw (not shown). In the drawing, a small circle with a symbol A indicates an insertion hole for a saw blade that is drilled in the brick wall 10 prior to cutting the brick wall 10. The brick wall 10 is cut starting from the insertion hole A. A double line indicated by a symbol B indicates a planned cutting line of the yarn saw.

前記複数のピースの内の２つのピース１６が２つのアーチ部１２をそれぞれ含む。すなわち、各ピース１６は各アーチ部１２を構成する、半円に沿って並ぶ複数の煉瓦２２の全てを含む。図示の例においては、各アーチ部１２とこれをその下方で支持する部分（例えば柱）との間で切断され、前記支持する各部分が１つのピース１４とされている。   Two pieces 16 of the plurality of pieces each include two arch portions 12. That is, each piece 16 includes all of the plurality of bricks 22 that form each arch portion 12 and are arranged along a semicircle. In the illustrated example, each arch portion 12 is cut between a arch portion 12 and a portion (for example, a column) that supports the arch portion 12 below the arch portion 12, and each of the supporting portions is a single piece 14.

アーチ部１２は、切断前の煉瓦壁１０において、その上方に存する多数の煉瓦２４の重量を支える機能を有するところ、復元後においてはピース１６に含まれるアーチ部１２が、この上に積み上げられる他のピース１８、２０の重量を支える機能を担う。このため、復元された煉瓦壁１０を鉛直状態に支持するために設置される支持構造物（図示せず）による重量支持を必要としない。   The arch portion 12 has a function of supporting the weight of a large number of bricks 24 existing above the brick wall 10 before cutting, and after restoration, the arch portion 12 included in the piece 16 is stacked on top of this. It bears the function of supporting the weight of the pieces 18 and 20. For this reason, the weight support by the support structure (not shown) installed in order to support the restored brick wall 10 in a vertical state is not required.

また、煉瓦壁１０の前記複数のピースへの分断は、煉瓦壁１０の壁面で見て、鉛直方向（図１において上下方向）に隣接する上段の２つのピース及び下段の２つのピースの鉛直な２つの境界面、例えば上段の２つのピース１８及び下段の２つのピース１６の２つの境界面２６、２８が水平方向（図１において左右方向）に関して異なる位置にあるように行う。これにより、両境界面２６、２８が一致せず、上段のピース１８の重量が下段のピース１６に均等に伝達される。   In addition, when the brick wall 10 is divided into the plurality of pieces, the two pieces in the upper stage and the two pieces in the lower stage adjacent to each other in the vertical direction (the vertical direction in FIG. 1) are viewed vertically on the wall surface of the brick wall 10. The two boundary surfaces, for example, the two boundary surfaces 26 and 28 of the upper two pieces 18 and the lower two pieces 16 are located at different positions in the horizontal direction (left and right direction in FIG. 1). Thereby, both the boundary surfaces 26 and 28 do not coincide, and the weight of the upper piece 18 is evenly transmitted to the lower piece 16.

前記複数のピースがなす前記段相互の仕切り面は水平面とし（図示せず）、あるいは、図示されているように、凹凸面３０，３２とすることができる。図示の例によれば、復元後の煉瓦壁１０において、凹凸面３０，３２を規定する二段目、三段目及び四段目の複数のピース１６，１８，２０が上下方向に関して互いに他の一方を受け入れる状態で係合することから、復元後の煉瓦壁１０が水平方向への地震力を受けた時の二段目、三段目及び四段目の複数のピース１６，１８，２０の水平方向移動が制限される。   The partition surfaces between the steps formed by the plurality of pieces may be horizontal surfaces (not shown), or may be uneven surfaces 30 and 32 as shown. According to the illustrated example, in the brick wall 10 after restoration, the plurality of pieces 16, 18, and 20 of the second, third, and fourth steps that define the uneven surfaces 30, 32 are mutually different in the vertical direction. Since it engages in the state which accepts one side, when the restored brick wall 10 receives the seismic force in the horizontal direction, the plurality of pieces 16, 18, 20 of the second stage, the third stage and the fourth stage Horizontal movement is limited.

１０ 煉瓦壁
１２ アーチ部
１４，１６，１８，２０ ピース
２２ アーチ部を構成する煉瓦
２６，２８ 各段における２つの煉瓦の境界 DESCRIPTION OF SYMBOLS 10 Brick wall 12 Arch part 14, 16, 18, 20 Piece 22 Brick 26, 28 which comprises arch part Boundary of two bricks in each step

Claims (2)

移築対象であるアーチ部を備える煉瓦壁を板状の複数のピースであって該複数のピースの内の１つのピースが前記アーチ部全体を含む複数のピースに分断することを含む、煉瓦壁の分断方法。 A brick wall comprising a plurality of plate-shaped pieces of a brick wall including an arch portion to be transferred, wherein one piece of the plurality of pieces includes a plurality of pieces including the entire arch portion. Splitting method. 前記複数のピースへの分断は、前記煉瓦壁の壁面で見て、前記複数のピースが複数の段をなし、鉛直方向に隣接する上段の２つのピース及び下段の２つのピースの鉛直な２つの境界面が水平方向に関して異なる位置にあるように行う、請求項１に記載の煉瓦壁の分断方法。 Divided into the plurality of pieces, the look in the wall of the brick wall, the plurality of pieces form a plurality of stages, the vertical direction to a vertical two peak scan of two pieces and the lower upper adjacent 2 The method for dividing a brick wall according to claim 1, wherein the two boundary surfaces are located at different positions in the horizontal direction.
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JPS5942785B2 (en) * 1977-12-01 1984-10-17 株式会社大林組 How to preserve existing masonry buildings
JP2571418B2 (en) * 1988-04-18 1997-01-16 株式会社竹中工務店 Relocation method of masonry wall of existing structure
JPH05157458A (en) * 1991-12-11 1993-06-22 Asahi Glass Co Ltd Heat storage chamber
JPH11324341A (en) * 1998-05-18 1999-11-26 Shimizu Corp Reinforcement structure of masonry building and aseismatic modification method therefor

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