JP5438389B2 - Double tube structure - Google Patents

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JP5438389B2
JP5438389B2 JP2009140244A JP2009140244A JP5438389B2 JP 5438389 B2 JP5438389 B2 JP 5438389B2 JP 2009140244 A JP2009140244 A JP 2009140244A JP 2009140244 A JP2009140244 A JP 2009140244A JP 5438389 B2 JP5438389 B2 JP 5438389B2
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outer peripheral
tube
slab
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幹生 小林
俊治 鶴巻
明文 阪野
祥三 前田
和弘 花岡
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Kajima Corp
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本発明は内周チューブと外周チューブ、及び両者をつなぐスラブを構成要素とするダブルチューブ構造架構に関するものである。   The present invention relates to a double-tube structure frame having an inner tube, an outer tube, and a slab connecting the two as components.

複数本の内周柱の柱列からなる内周チューブと、複数本の外周柱の柱列からなる外周チューブを有するダブルチューブ構造は外周チューブのみからなるシングルチューブ架構より内周チューブが付加される分、耐震性能が向上する。結果として構造壁が不要になる等、平面計画上の自由度が高まる利点があるため、集合住宅用の高層建築物（超高層を含む）に採用されることが多い（特許文献１〜４参照）。   A double tube structure having an inner tube made up of a plurality of inner peripheral columns and an outer tube made up of a plurality of outer columns is added with an inner tube than a single tube frame made only of outer tubes. The seismic performance is improved. As a result, there is an advantage that the degree of freedom in plan planning is increased, such as the need for a structural wall, so it is often adopted for high-rise buildings (including super high-rise buildings) for collective housing (see Patent Documents 1 to 4). ).

一方、外周柱に接続する梁を途中階で順梁と逆梁（中間梁）に切り替えることで、バルコニーを外周柱の内側（屋内側）に取り込むことも、外周側（屋外側）へ張り出させることも可能であるから、同一の構造物に順梁と逆梁を併用することも行われる（特許文献５、６参照）。逆梁の区間では外周チューブ（梁）の位置より外周側へスラブを連続させて張り出させることができないのに対し、順梁の区間では外周チューブ（梁）の位置より外周側へスラブを張り出させることが可能であることによる。   On the other hand, by switching the beam connected to the outer column to the forward beam and the reverse beam (intermediate beam) on the middle floor, the balcony can be taken into the inner side of the outer column (indoor side), or it can project to the outer side (outdoor side). Therefore, it is also possible to use a forward beam and a reverse beam in the same structure (see Patent Documents 5 and 6). In the reverse beam section, the slab cannot be continuously extended from the position of the outer tube (beam) to the outer side, whereas in the forward beam section, the slab is extended from the position of the outer tube (beam) to the outer side. This is because it can be issued.

但し、特許文献５のように上層階の梁を順梁にする形式を採用した場合、順梁の階ではバルコニーを外周チューブ（梁）の外側に配置し、逆梁の階ではバルコニーを外周チューブ（梁）の内側に配置することの切り替えが可能であるものの（特許文献５の図２〜図５）、同一階においてバルコニーの配置状態を切り替えることはできない。   However, when adopting the form in which the beam on the upper floor is a forward beam as in Patent Document 5, the balcony is placed outside the outer tube (beam) on the floor of the forward beam, and the balcony is placed on the outer tube on the floor of the reverse beam. Although it is possible to switch the arrangement inside the (beam) (FIGS. 2 to 5 of Patent Document 5), the arrangement state of the balcony cannot be switched on the same floor.

同一階に、梁の内側に位置するバルコニーと外側に位置するバルコニーの２種類のバルコニーを配置する目的で、順梁と逆梁を混在させようとすれば、図７、特許文献６の第２図に示すように例えば隣接する柱間単位で、順梁と逆梁を交互に配列させることが必要になる。   If two types of balconies, a balcony located inside the beam and a balcony located outside the beam, are arranged on the same floor, if the forward beam and the reverse beam are mixed, FIG. As shown in the figure, for example, it is necessary to alternately arrange forward beams and reverse beams in units between adjacent columns.

隣接する柱間に順梁と逆梁を配置する形式もあるが（特許文献７参照）、この架構形式では柱間で順梁と逆梁を一部において重複させる必要があるため（第３欄第２７行〜第３３行）、柱間単位でバルコニーの形式を切り替えることはできない。特許文献７では柱間（１スパン）の内、順梁の区間でスラブを外周柱の外周側へ張り出させることができるに留まり、逆梁の区間ではバルコニーを内側に配置せざるを得ず、順梁と逆梁が重複した区間にはバルコニーを配置することができないため、バルコニーの配置には適しない。   Although there is a form in which the forward beam and the reverse beam are arranged between adjacent columns (see Patent Document 7), in this frame form, it is necessary to partially overlap the forward beam and the reverse beam between the columns (Column 3). (27th line to 33rd line), the type of balcony cannot be switched in units between pillars. In Patent Document 7, the slab can be extended to the outer peripheral side of the outer peripheral column in the forward beam section among the columns (one span), and the balcony must be arranged on the inner side in the reverse beam section. Since the balcony cannot be arranged in the section where the forward beam and the reverse beam overlap, it is not suitable for the arrangement of the balcony.

特開２００２−３１７５６５号公報（請求項１、段落００１０〜００２６、図１）JP 2002-317565 A (Claim 1, paragraphs 0010 to 0026, FIG. 1) 特開２００５−６８７９４号公報（請求項１、段落００２０〜００２６、図１、図２）Japanese Patent Laying-Open No. 2005-68794 (Claim 1, paragraphs 0020 to 0026, FIGS. 1 and 2) 特開２００６−１６９７４１号公報（請求項１、段落０００８〜００１５、図１）JP 2006-169741 A (Claim 1, paragraphs 0008 to 0015, FIG. 1) 特開２００６−２７４６１６号公報（請求項１、段落００２４〜００４８、図１〜図３）JP 2006-274616 A (Claim 1, paragraphs 0024 to 0048, FIGS. 1 to 3) 特開２００５−６０９７４号公報（請求項２、段落００１６〜００１９、図２〜図５）Japanese Patent Laying-Open No. 2005-60974 (Claim 2, paragraphs 0016 to 0019, FIGS. 2 to 5) 特公平５−２５９７７号公報（請求項１、第２図、第４図、第５図）Japanese Patent Publication No. 5-25977 (Claims 1, 2, 4, and 5) 特許第２６０３２４２号公報（請求項１、第１図、第２図、第４図）Japanese Patent No. 2603242 (Claim 1, FIG. 1, FIG. 2, FIG. 4)

図７、特許文献６の第２図に示す架構形式の場合、ある柱４１（４２）に着目すれば、柱４１（４２）の一方側には順梁７が接続し、同一線上の他方側には逆梁が接続することで、図９−（ａ）に示すように柱のせん断スパンＨ１はある階の順梁の下端のレベルから下階の逆梁の上端のレベルまでの区間になり、柱のせん断スパン比が低下する。結果として柱が短柱化する傾向が強まるため、せん断破壊し易くなり、柱・梁架構の設計が不能になることがある。図７には本発明の実施形態を示す図８に入れた符号と共通する符号（４１〜４３、７）を入れてある。   In the case of the frame form shown in FIG. 7 and FIG. 2 of Patent Document 6, when attention is paid to a certain column 41 (42), the forward beam 7 is connected to one side of the column 41 (42), and the other side on the same line. As shown in Fig. 9- (a), the shear span H1 of the column becomes the section from the lower end level of the forward beam on one floor to the upper end level of the reverse beam on the lower floor. The shear span ratio of the column decreases. As a result, the tendency of the columns to become shorter becomes stronger, which makes it easier to break shear and may make the design of columns and beam frames impossible. In FIG. 7, reference numerals (41 to 43, 7) common to the reference numerals shown in FIG. 8 showing the embodiment of the present invention are included.

特許文献５では順梁と逆梁（中間梁）を異なる階に配置し、階高を増大させることで（段落００１８）、短柱化の問題を回避しているが、階高を増大させることは階数が制限されることになるため、容積率を低下させる不利益を伴い、階高に制限がある設計条件下では採用することができない。また順梁と逆梁（中間梁）を異なる階に配置することは、同一階においてバルコニーの配置状態を切り替えることにはならない。   In Patent Document 5, the forward beam and the reverse beam (intermediate beam) are arranged on different floors and the floor height is increased (paragraph 0018) to avoid the problem of shortening the column, but the floor height is increased. Since the number of floors is limited, it has the disadvantage of lowering the floor area ratio and cannot be used under design conditions where the floor height is limited. Arranging the forward beam and the reverse beam (intermediate beam) on different floors does not switch the balcony arrangement on the same floor.

本発明は上記背景より、階高を増大させることなく、短柱化の問題を回避しながら、同一階においてバルコニーの配置状態を切り替えることを可能にするダブルチューブ構造架構を提案するものである。   In view of the above background, the present invention proposes a double-tube structure frame that enables the arrangement state of balconies to be switched on the same floor while avoiding the problem of shortening the column without increasing the floor height.

請求項１に記載の発明のダブルチューブ構造架構は、複数本の内周柱の柱列からなる内周チューブと、複数本の外周柱の柱列からなる外周チューブ、及び前記内周チューブと前記外周チューブをつなぐスラブを持つダブルチューブ構造の架構において、
前記内周チューブと前記外周チューブに包囲された帯状の領域は周方向に複数本の前記外周柱を含む一部の領域である基準部の領域と、この基準部の領域以外の、基準部の領域と交互に配列する中間部の領域とに区分され、
前記基準部の領域に配置される、隣接する前記外周柱間に順梁と、前記順梁と逆梁の中間の断面形状をした中間梁のいずれか一方が接続し、前記中間部の領域に配置される、隣接する前記外周柱間に前記順梁と前記中間梁のいずれか他方が接続し、
前記基準部の領域と前記中間部の領域の境界に位置する前記外周柱の一方側に前記順梁が接続し、他方側に前記中間梁が接続し、
同一の隣接する前記外周柱間の異なる階に前記順梁と前記中間梁があり、
全階の階高が一定で、全階のスラブの厚さ及びレベルが一定であることを構成要件とする。 The double-tube structure frame according to the first aspect of the present invention includes an inner peripheral tube made up of a plurality of inner peripheral columns, an outer tube made up of a plurality of outer columns, the inner tube and the inner tube In a double-tube structure with a slab that connects the outer tube,
The band-shaped region surrounded by the inner peripheral tube and the outer peripheral tube is a region of a reference portion that is a partial region including a plurality of the outer peripheral pillars in the circumferential direction, and a reference region other than the region of the reference portion It is divided into areas and intermediate areas arranged alternately .
Either a forward beam or an intermediate beam having a cross-sectional shape intermediate between the forward beam and the reverse beam is connected between the adjacent outer peripheral columns arranged in the reference region, and is connected to the intermediate region. The other one of the forward beam and the intermediate beam is connected between the adjacent outer peripheral columns arranged,
The forward beam is connected to one side of the outer peripheral column located at the boundary between the region of the reference portion and the region of the intermediate portion, and the intermediate beam is connected to the other side,
The forward beam and the intermediate beam are on different floors between the same adjacent peripheral columns,
It is a constituent requirement that the floor height of all floors is constant and the thickness and level of the slabs of all floors are constant .

基準部の領域４Ａの範囲はある階における床全体の平面形状、あるいは図１に示す平面計画に応じて任意に設定されることから、基準部柱４１と中間部柱４２の範囲と本数も床全体の平面形状や平面計画に応じて任意に設定される。すなわち、外周チューブ５を構成する外周柱４のいずれかの領域に位置する柱が基準部柱４１で、他が中間部柱４２であるとして、外周柱４が基準部柱４１と中間部柱４２とに明確に区分される訳ではなく、基準部柱４１と中間部柱４２の範囲と本数は床の平面形状や平面計画毎に相違する。   The range of the reference portion area 4A is arbitrarily set according to the planar shape of the entire floor on a certain floor or the plan shown in FIG. It is arbitrarily set according to the overall planar shape and plan. That is, assuming that the column located in any region of the outer peripheral column 4 constituting the outer tube 5 is the reference portion column 41 and the other is the intermediate portion column 42, the outer peripheral column 4 is the reference portion column 41 and the intermediate portion column 42. The range and number of the reference column 41 and the intermediate column 42 are different for each floor plan shape and plan plan.

床の平面形状は例えば図１に示す矩形状（方形状）や三角形、五角形等の多角形状（凸多角形状、または凹多角形状）等の他、図１４に示す円形状、楕円形状、あるいは多角形状が曲線化したような形状等、任意の形状に形成される。いずれの形状の場合も、内周柱（内周チューブ）と外周柱（外周チューブ）に包囲された帯状の領域を周方向に見たとき、複数本の外周柱を含むいずれか一部の領域が基準部４Ａで、それ以外の領域が中間部の領域４Ｂになる。基準部の領域４Ａと中間部の領域４Ｂは床全体では基本的に周方向に交互に配列することになる。   The planar shape of the floor is, for example, a rectangular shape (rectangular shape) shown in FIG. 1, a polygonal shape (convex polygonal shape or concave polygonal shape) such as a triangle or a pentagon, and a circular shape, an elliptical shape, or a polygonal shape shown in FIG. 14. It is formed in an arbitrary shape such as a curved shape. In any case, when the band-like region surrounded by the inner peripheral column (inner peripheral tube) and the outer peripheral column (outer tube) is viewed in the circumferential direction, any one region including a plurality of outer peripheral columns Is the reference portion 4A, and the other region is the intermediate region 4B. The reference area 4A and the intermediate area 4B are basically arranged alternately in the circumferential direction on the entire floor.

床の平面形状が例えば矩形状である場合には、内周柱（内周チューブ）と外周柱（外周チューブ）に包囲された帯状の領域は平面上の隅角部の領域と、隅角部以外の中間部の領域とに区分される。この場合、平面上の隅角部の領域が基準部の領域４Ａになる（請求項２）。   When the planar shape of the floor is, for example, a rectangular shape, the band-shaped region surrounded by the inner peripheral column (inner peripheral tube) and the outer peripheral column (outer peripheral tube) is the corner region on the plane and the corner portion. It is divided into the intermediate area other than. In this case, the corner area on the plane becomes the reference area 4A (claim 2).

床の平面形状が矩形状の場合において、例えば図１−（ａ）に示すように基準部（図面での隅角部）の領域４Ａ内の隅角部に隅柱４３が配置される場合、基準部（隅角部）の領域４Ａ内では基準部柱４１は少なくともこの１本の隅柱４３を含むが、この隅柱４３とそれに２方向に隣接する２本の柱（側柱）までを含む場合と、各方向に付き、２本以上の柱（側柱）を含む場合がある。基準部柱４１は少なくとも各方向に付き、１スパン、２本の柱を含む。基準部の領域４Ａには図１−（ｂ）に示すように隅柱４３が配置されない場合もある。   When the planar shape of the floor is rectangular, for example, as shown in FIG. 1- (a), when the corner pillar 43 is arranged in the corner portion in the region 4A of the reference portion (corner portion in the drawing), Within the reference portion (corner portion) region 4A, the reference portion column 41 includes at least this one corner column 43, and this corner column 43 and two columns (side columns) adjacent to it in two directions are connected. In some cases, two or more pillars (side pillars) are included in each direction. The reference part column 41 includes at least one column and one span in each direction. In some cases, the corner post 43 may not be arranged in the reference region 4A as shown in FIG.

基準部柱４１（隅柱４３を含む）、あるいは基準部柱４１、４１（４１、４３）間には図８−（ａ）に示すように順梁７が接続する場合と、（ｂ）に示すように中間梁８が接続する場合があり、基準部柱４１に順梁７が接続した場合には図８−（ａ）に示すように中間部柱４２に中間梁８が接続し、基準部柱４１に中間梁８が接続した場合には（ｂ）に示すように中間部柱４２に順梁７が接続する。中間梁８は図１０−（ｂ）に示すように梁の成方向中途にスラブが接続した形態をし、スラブの上端（上面）と下端（下面）のそれぞれから梁型が突出した断面形状をすることで、図１０−（ａ）に示す逆梁と順梁を組み合わせた形態の断面形状をする。 As shown in FIG. 8- (a), the forward beam 7 is connected between the reference portion column 41 (including the corner column 43) or the reference portion columns 41 and 41 (41, 43), and (b). may intermediate beam 8 is connected as shown, when Junhari 7 in the nominal part column 41 is connected to the intermediate beams 8 is connected to the intermediate portion pillar 42 as shown in FIG. 8- (a), the reference When the intermediate beam 8 is connected to the column 41, the forward beam 7 is connected to the intermediate column 42 as shown in FIG. As shown in FIG. 10- (b), the intermediate beam 8 has a form in which the slab is connected in the middle of the beam forming direction, and has a cross-sectional shape in which the beam shape protrudes from the upper end (upper surface) and lower end (lower surface) of the slab. By doing so, the cross-sectional shape of the form which combined the reverse beam and the forward beam shown to Fig.10 (a) is made.

中間梁８はスラブの上面から梁型が立ち上がる点では逆梁と同じであり、前記のように逆梁の区間では外周チューブ５（逆梁）の位置より外周側へスラブ６を連続させた状態で張り出させることができないから、中間梁８の区間では外周チューブ５（中間梁８）の位置より外周側へスラブ６を連続させて張り出させることはできない。スラブ６を連続させるとは、原則としてスラブ６の上端（上面）を同一面にしたまま連続させることを言うが、図２−（ａ）、（ｂ）に示すようにスラブ６の上端にスラブ厚以内の傾斜、または段差がある場合も含む。   The intermediate beam 8 is the same as the reverse beam in that the beam shape rises from the upper surface of the slab. As described above, in the reverse beam section, the slab 6 is continuous from the position of the outer tube 5 (reverse beam) to the outer peripheral side. Therefore, in the section of the intermediate beam 8, the slab 6 cannot be continuously extended from the position of the outer peripheral tube 5 (intermediate beam 8) to the outer peripheral side. Continuing the slab 6 means that the upper end (upper surface) of the slab 6 is kept in the same plane in principle, but the slab 6 is placed on the upper end of the slab 6 as shown in FIGS. 2- (a) and (b). This includes cases where there are slopes or steps within the thickness.

これに対し、順梁７の区間では外周チューブ５（順梁７）の位置より外周側へスラブ６を連続させて張り出させることが可能であるから、基準部柱４１に順梁７が接続した場合（図１１）には、基準部柱４１の領域、すなわち平面上の基準部の領域４Ａに、梁の位置から外周（屋外）側へ張り出す張り出し（持ち出し）バルコニー９２を配置することが可能である。基準部柱４１に中間梁８が接続した場合（図１２）には、基準部柱４１以外の領域、すなわち平面上の基準部を除いた領域（中間部の領域４Ｂ）に張り出しバルコニー９２を配置することが可能である。   On the other hand, in the section of the forward beam 7, the slab 6 can be continuously extended from the position of the outer peripheral tube 5 (forward beam 7) to the outer peripheral side, so that the forward beam 7 is connected to the reference column 41. In this case (FIG. 11), an overhang (bringing out) balcony 92 projecting from the position of the beam to the outer periphery (outdoor) side may be arranged in the region of the reference portion column 41, that is, the reference portion region 4A on the plane. Is possible. When the intermediate beam 8 is connected to the reference portion column 41 (FIG. 12), the protruding balcony 92 is arranged in a region other than the reference portion column 41, that is, a region excluding the reference portion on the plane (intermediate region 4B). Is possible.

本発明（請求項１）では外周チューブ５を構成する外周柱４が基準部柱４１と中間部柱４２に区分され、基準部柱４１と中間部柱４２のいずれか一方に順梁７が接続し、他方に中間梁８が接続することで、同一階のスラブ６が、順梁７が接続する区間と中間梁８が接続する区間とに区分される。このため、図８−（ａ）、（ｂ）に示すように同一階のスラブ６に順梁７と中間梁８の２種類の梁を混在させることで（請求項３）、２種類の形態のバルコニーを同一階に配置することが可能になる。 In the present invention (Claim 1), the outer peripheral column 4 constituting the outer tube 5 is divided into a reference column 41 and an intermediate column 42, and the forward beam 7 is connected to either the reference column 41 or the intermediate column 42. However, by connecting the intermediate beam 8 to the other side, the slab 6 on the same floor is divided into a section where the forward beam 7 is connected and a section where the intermediate beam 8 is connected. For this reason, as shown in FIGS. 8A and 8B, two types of beams, a forward beam 7 and an intermediate beam 8, are mixed in the slab 6 on the same floor (Claim 3 ). Can be placed on the same floor.

上記のようにスラブに逆梁が接続した場合と同様、中間梁８が接続した区間では中間梁８の位置で梁型が立ち上がることから、スラブ６の上端を中間梁８の位置まで連続させることができるに留まる。これに対し、順梁７が接続した区間では順梁７の位置を越えてスラブ６の上端を連続させることができるため、スラブ６が順梁７から張り出す張り出し（持ち出し）バルコニー９２を形成することが可能である。結果的に外周柱４が基準部柱４１と中間部柱４２に区分され、基準部柱４１と中間部柱４２のいずれか一方に順梁７が接続し、他方に中間梁８が接続することで、２種類の形態のバルコニーを同一階に配置することが可能になる。   As in the case where the reverse beam is connected to the slab as described above, since the beam shape rises at the position of the intermediate beam 8 in the section where the intermediate beam 8 is connected, the upper end of the slab 6 is continued to the position of the intermediate beam 8. I can only stay. On the other hand, since the upper end of the slab 6 can be continued beyond the position of the forward beam 7 in the section where the forward beam 7 is connected, an overhanging (carrying out) balcony 92 that the slab 6 projects from the forward beam 7 is formed. It is possible. As a result, the outer peripheral column 4 is divided into a reference portion column 41 and an intermediate portion column 42, the forward beam 7 is connected to one of the reference portion column 41 and the intermediate portion column 42, and the intermediate beam 8 is connected to the other. Thus, two types of balconies can be arranged on the same floor.

中間梁８の内側に形成されるバルコニーは外周柱４の内側に形成されることで、内周柱１側（屋内側）と中間梁８の長さ方向両側の三方が壁や部屋等に包囲された、居住者に安心感を与える空間（ベイバルコニー９１）として形成される。張り出し（持ち出し）バルコニー９２は順梁７の外周側（屋外側）にまで張り出すことで、居住者に眺望を優先させる空間として形成される。同一階に２種類の形態のバルコニーを配置できることで、平面計画上の自由度が向上し、集合住宅に適した平面計画を採用することが可能になる。   The balcony formed inside the intermediate beam 8 is formed inside the outer peripheral column 4 so that the three sides of the inner peripheral column 1 side (indoor side) and both sides in the length direction of the intermediate beam 8 are surrounded by walls and rooms. It is formed as a space (bay balcony 91) that gives the resident a sense of security. The overhanging (bringing out) balcony 92 is formed as a space that gives priority to the occupant's view by overhanging to the outer peripheral side (outdoor side) of the forward beam 7. Since two types of balconies can be arranged on the same floor, the degree of freedom in the floor plan is improved, and a floor plan suitable for the apartment house can be adopted.

図８−（ａ）に示すように基準部柱４１に順梁７が接続し、中間部柱４２に中間梁８が接続した場合には、図１１−（ａ）に示すように基準部の領域４Ａに張り出しバルコニー９２を配置することができる。この張り出しバルコニー９２は図１−（ａ）、（ｂ）に示すように基準部の領域４Ａに２方向に連続して形成され、特に基準部の領域４Ａでの眺望が優先的に確保されるため、基準部の領域４Ａが独立した住戸として形成された場合、基準部の住戸に中間部の領域４Ｂより格段に高い付加価値を付与することが可能である。この場合、中間部の領域４Ｂには壁等に包囲されたベイバルコニー９１が配置される。 Figure 8- (a) Junhari 7 is connected to the reference unit posts 41 as shown in the case where the intermediate beams 8 is connected to the intermediate portion pillar 42, the reference portion as shown in FIG. 11- (a) An overhanging balcony 92 can be arranged in the region 4A. As shown in FIGS. 1A and 1B, the overhanging balcony 92 is continuously formed in two directions in the reference portion area 4A, and particularly, the view in the reference portion area 4A is preferentially secured. Therefore, when the reference part region 4A is formed as an independent dwelling unit, it is possible to give a much higher added value to the reference unit dwelling unit than the intermediate region 4B. In this case, a bay balcony 91 surrounded by a wall or the like is arranged in the middle region 4B.

図８−（ａ）の場合に、スラブ６の平面形状が方形状（正方形状）である場合には、基準部の領域４Ａがスラブ６の四隅に位置するため、基準部の領域４Ａに張り出しバルコニー９２が２方向に連続して形成されることで、スラブ６の平面形状は四隅が外側へ膨出した形になる。 In the case of FIG. 8A , when the planar shape of the slab 6 is a square shape (square shape), the reference region 4 </ b> A is located at the four corners of the slab 6. By forming the balcony 92 continuously in two directions, the planar shape of the slab 6 becomes a shape in which the four corners bulge outward.

図８−（ｂ）に示すように基準部柱４１に中間梁８が接続し、中間部柱４２に順梁７が接続した場合には、図１２−（ａ）に示すように中間部の領域４Ｂに張り出しバルコニー９２を配置することができる。基準部の領域４Ａにはベイバルコニー９１が配置される。この場合、中間部の領域４Ｂに位置する住戸は２方向に連続したバルコニーを持つことができないものの、高い眺望を確保することができるため、基準部の領域４Ａに位置する住戸にない付加価値が付与される。   When the intermediate beam 8 is connected to the reference column 41 and the forward beam 7 is connected to the intermediate column 42 as shown in FIG. 8- (b), as shown in FIG. An overhanging balcony 92 can be arranged in the region 4B. A bay balcony 91 is arranged in the reference area 4A. In this case, although the dwelling unit located in the middle area 4B cannot have a balcony that is continuous in two directions, a high view can be secured, so there is no added value in the dwelling unit located in the reference area 4A. Is granted.

中間梁８は前記の通り、図１０−（ｂ）に示すように梁の成方向中途にスラブが接続した形態をすることで、図１０−（ａ）に示す逆梁と順梁を組み合わせた形態の断面形状をする。この形態より中間梁８は（ａ）に示す一定の梁成ｈ０を有し、一定のスラブ厚ｄを有するスラブ６が接続した逆梁との対比では、（ｂ）に示すようにスラブ６の上端から梁の上端までの距離ｈ２を逆梁におけるスラブ６の上端から梁の上端までの距離ｈ１より小さくすることができる（ｈ２＜ｈ１）。   As described above, the intermediate beam 8 has a form in which the slab is connected in the middle of the beam as shown in FIG. 10- (b), thereby combining the reverse beam and the forward beam shown in FIG. 10- (a). The cross-sectional shape of the form. With this configuration, the intermediate beam 8 has the constant beam h0 shown in (a), and in contrast to the reverse beam connected to the slab 6 having the constant slab thickness d, the intermediate beam 8 has a slab 6 as shown in (b). The distance h2 from the upper end to the upper end of the beam can be made smaller than the distance h1 from the upper end of the slab 6 to the upper end of the beam in the reverse beam (h2 <h1).

従って図１０−（ａ）、（ｃ）から分かるようにスラブ６の上端と下端のレベルを揃えて逆梁と中間梁８が柱に接続した状態を対比すれば、図９−（ｂ）に示すようにスラブ６の上端から梁の上端までの距離の差（ｈ１−ｈ２）分だけ、柱のせん断スパンＨ２を増加させ、短柱化の回避に寄与することができる。同一階のスラブに順梁と逆梁が接続した従来の架構の立面を図７に、その一部を図９−（ａ）に示している。図１０−（ｂ）ではスラブ６の上端から中間梁８の上端までの距離（ｈ２）とスラブ６の下端から中間梁８の下端までの距離（ｈ３）を等しくしているが、必ずしもその必要はなく、それぞれの寸法ｈ２、ｈ３は自由に設定される。   Accordingly, as can be seen from FIGS. 10- (a) and (c), when the levels of the upper and lower ends of the slab 6 are aligned and the reverse beam and the intermediate beam 8 are connected to the column, FIG. 9- (b) is obtained. As shown, the shear span H2 of the column can be increased by the difference (h1-h2) in the distance from the upper end of the slab 6 to the upper end of the beam, which can contribute to avoiding the shortening of the column. FIG. 7 shows an elevation of a conventional frame in which a forward beam and a reverse beam are connected to a slab on the same floor, and FIG. 9- (a) shows a part thereof. In FIG. 10- (b), the distance (h2) from the upper end of the slab 6 to the upper end of the intermediate beam 8 and the distance (h3) from the lower end of the slab 6 to the lower end of the intermediate beam 8 are made equal. The dimensions h2 and h3 are set freely.

図９−（ａ）に示すように柱の一方側（図中、左側）に順梁が接続し、同一線上の他方側（右側）に逆梁が接続したときの柱のせん断スパンＨ１はある階における順梁の下端レベルから下階における逆梁の上端レベルまでの区間になり、上下の梁の内法間距離Ｈ０からスラブ厚ｄを引いた大きさになっている（Ｈ１＝Ｈ０−ｄ）。   As shown in FIG. 9- (a), there is a column shear span H1 when a forward beam is connected to one side (left side in the figure) of the column and a reverse beam is connected to the other side (right side) on the same line. It is a section from the lower end level of the forward beam on the floor to the upper end level of the reverse beam on the lower floor, and is the size obtained by subtracting the slab thickness d from the inner distance H0 of the upper and lower beams (H1 = H0−d). ).

これに対し、図９−（ｂ）に示すように柱の一方側に順梁７が接続し、同一線上の他方側に中間梁８が接続したときの柱のせん断スパンＨ２はある階における順梁７の下端レベルから下階における中間梁８の上端レベルまでの区間になる。この区間の長さＨ２は（ａ）に示す例のせん断スパンＨ１より、（ｈ１−ｈ２）だけ大きい（Ｈ２＞Ｈ１）。   On the other hand, as shown in FIG. 9- (b), when the forward beam 7 is connected to one side of the column and the intermediate beam 8 is connected to the other side of the same line, the shear span H2 of the column is the order in a certain floor. The section is from the lower end level of the beam 7 to the upper end level of the intermediate beam 8 on the lower floor. The length H2 of this section is larger by (h1-h2) than the shear span H1 in the example shown in (a) (H2> H1).

このように同一柱の同一線上に順梁７と中間梁８が接続した場合に（図９−（ｂ））、順梁と逆梁が接続する場合（図９−（ａ））よりせん断スパンを大きくすることができることで（Ｈ２＞Ｈ１）、階高を増大させることなく、柱の短柱化の問題を回避することが可能になる。短柱化の問題が回避されることで、柱がせん断破壊する可能性が低下するため、許容される（短柱化が問題にならない）範囲で、外周柱４（外周チューブ５）と２種類の梁からなる架構を自由に設計することが可能になり、それに伴い、平面計画上の自由度も向上する。   Thus, when the forward beam 7 and the intermediate beam 8 are connected on the same line of the same column (FIG. 9- (b)), the shear span is greater than when the forward beam and the reverse beam are connected (FIG. 9- (a)). Can be increased (H2> H1), it is possible to avoid the problem of shortening the column without increasing the floor height. By avoiding the problem of shortening the column, the possibility that the column will be sheared and broken is reduced. Therefore, the outer column 4 (the outer tube 5) and the two types are allowed within the allowable range. It is possible to freely design a frame composed of beams, and the degree of freedom in plan planning is improved accordingly.

柱の短柱化の問題が回避される結果、図１３−（ａ）、（ｂ）に示すように同一の柱間の異なる階に順梁７と中間梁８を架設すること（請求項３）が可能になる等、立面計画上の自由度も向上する。同一の柱間とは、ある階において隣接する基準部柱（隅柱４３を含む）４１、４１間、または隣接する基準部柱４１と中間部柱４２間を指し、いずれかの階において隣接する基準部柱４１、４１間、または隣接する基準部柱４１と中間部柱４２間に順梁７が架設された場合に、その上階、もしくは下階における同一の隣接する柱４１、４１（４１、４２）間に中間梁８が架設されることになる。
Results of short column of pillars problems are avoided, Fig 13-(a), to bridging the Junhari 7 and the intermediate beam 8 on different floors of between identical pillars as shown in (b) (Claim 3 ) Is also possible, and the degree of freedom in elevation planning is also improved. The term “between the same pillars” refers to adjacent reference part columns (including corner pillars 43) 41 and 41 on a certain floor, or between adjacent reference part columns 41 and intermediate part pillars 42, and is adjacent on any floor. When the forward beam 7 is installed between the reference column 41, 41 or between the adjacent reference column 41 and the intermediate column 42, the same adjacent column 41, 41 (41 on the upper floor or the lower floor). , 42), the intermediate beam 8 is constructed.

図１３−（ａ）は相対的に下層階側において隣接する柱４１、４１（４１、４２）間に中間梁８が架設され、上層階側において隣接する同一の柱４１、４１（４１、４２）間に順梁７が架設された場合の例を示す。（ｂ）はある任意の複数階において隣接する柱（４１、４２）間に順梁７が架設され、その上下階において隣接する同一の柱４１、４１（４１、４２）間に中間梁８が架設された場合の例を示す。（ｂ）はまた、立面上の一部の範囲に順梁７が架設され、その周囲に順梁７を取り囲むように中間梁８が架設された場合の例でもある。   In FIG. 13- (a), the intermediate beam 8 is erected between the columns 41 and 41 (41, 42) which are relatively adjacent to each other on the lower floor side, and the same columns 41 and 41 (41, 42) which are adjacent to each other on the upper floor side. ) Shows an example in which the forward beam 7 is installed between them. In (b), a forward beam 7 is erected between adjacent columns (41, 42) on an arbitrary plurality of floors, and an intermediate beam 8 is formed between the same columns 41, 41 (41, 42) adjacent on the upper and lower floors. An example when it is installed is shown. (B) is also an example in which the forward beam 7 is installed in a part of the range on the elevation surface, and the intermediate beam 8 is installed so as to surround the forward beam 7 in the periphery thereof.

図１３−（ａ）、（ｂ）のいずれの場合も、階高Ｈを一定に保ったまま、各階の隣接する柱４１、４１（４１、４２）間に順梁７と中間梁８を自由に架設することが可能になっている。   13- (a) and (b), the forward beam 7 and the intermediate beam 8 can be freely placed between adjacent columns 41 and 41 (41, 42) on each floor while keeping the floor height H constant. It is possible to erection to.

外周チューブを構成する外周柱が平面上の基準部の領域に配置される基準部柱と、基準部の領域を除く領域に配置される中間部柱とに区分され、基準部柱と中間部柱のいずれか一方に順梁が接続し、他方に順梁と逆梁の中間の断面形状をした中間梁が接続することで、順梁の区間に梁の位置から外周（屋外）側へ張り出す張り出し（持ち出し）バルコニーを配置し、中間梁の区間に三方を壁等に囲まれたベイバルコニーを配置することができるため、同一階に２種類のバルコニーを配置することが可能である。   The outer peripheral column constituting the outer tube is divided into a reference portion column arranged in the reference portion region on the plane and an intermediate portion column arranged in the region excluding the reference portion region. A forward beam is connected to one of the beams, and an intermediate beam having a cross-sectional shape between the forward beam and the reverse beam is connected to the other, so that the beam extends from the position of the beam to the outer circumference (outdoor) side. Since an overhanging (bringing out) balcony can be arranged and a bay balcony surrounded by walls or the like on three sides can be arranged in the middle beam section, two types of balconies can be arranged on the same floor.

また柱に接続する中間梁が梁の成方向中途にスラブが接続した形態をすることで、柱に順梁と逆梁が接続する場合よりせん断スパンを大きくすることができるため、階高を増大させることなく、柱の短柱化の問題を回避することができる。   In addition, since the intermediate beam connected to the column has a form in which the slab is connected in the middle of the beam direction, the shear span can be increased compared to the case where the forward beam and the reverse beam are connected to the column, thus increasing the floor height. Without the problem, the problem of shortening the column can be avoided.

本発明のダブルチューブ構造架構における外周柱と内周柱、及び外周柱に接続する順梁と中間梁の関係を示した基準階（一般階）の平面図であり、（ａ）は平面上の基準部に隅柱がある場合、（ｂ）は隅柱がない場合である。It is a top view of the reference floor (general floor) showing the relationship between the outer and inner pillars and the forward beam and the intermediate beam connected to the outer pillar in the double-tube structure frame of the present invention, (a) on the plane When there is a corner pillar in the reference portion, (b) is a case where there is no corner pillar. （ａ）は外周柱とそれに接続する順梁との関係を示した図１−（ａ）のｘ−ｘ線断面図、（ｂ）は外周柱とそれに接続する中間梁との関係を示した図１−（ａ）のｙ−ｙ線断面図である。(A) is a sectional view taken along line xx of FIG. 1- (a) showing the relationship between the outer peripheral column and the forward beam connected thereto, and (b) shows the relationship between the outer peripheral column and the intermediate beam connected thereto. It is the yy sectional view taken on the line of Fig.1- (a). 図１−（ａ）のａ−ａ線断面図である。It is the sectional view on the aa line of Drawing 1-(a). 図１−（ａ）のｂ−ｂ線断面図である。It is the bb sectional view taken on the line of Fig.1- (a). 図１−（ａ）のｃ−ｃ線矢視図（立面図）である。It is a cc line arrow directional view (elevation figure) of Drawing 1-(a). 図１−（ａ）の平面を有する建物（集合住宅）の外観を示した斜視図（透視図）である。It is the perspective view (perspective view) which showed the external appearance of the building (a housing complex) which has the plane of Fig.1- (a). 柱に順梁と逆梁が接続した従来の柱・梁の架構を示した立面図である。It is an elevational view showing a conventional column / beam frame in which a forward beam and a reverse beam are connected to a column. 柱に順梁と中間梁が接続した本発明の柱・梁の架構を示した立面図であり、（ａ）は基準部柱に順梁が接続し、中間部柱に中間梁が接続した場合、（ｂ）は基準部柱に中間梁が接続し、中間部柱に順梁が接続した場合である。It is an elevational view showing the frame of the present invention in which the forward beam and the intermediate beam are connected to the column. (A) is a diagram in which the forward beam is connected to the reference column and the intermediate beam is connected to the intermediate column. In the case (b), the intermediate beam is connected to the reference column, and the forward beam is connected to the intermediate column. （ａ）は図７に示す架構の一部を示した立面図、（ｂ）は図８−（ａ）、（ｂ）のいずれかに示す架構の一部を示した立面図である。(A) is an elevation view showing a part of the frame shown in FIG. 7, and (b) is an elevation view showing a part of the frame shown in either FIG. 8- (a) or (b). . （ａ）は逆梁を示した断面図、（ｂ）は中間梁を示した断面図、（ｃ）は（ａ）に示す逆梁のスラブとスラブのレベルを揃えたときの中間梁を示した断面図である。(A) is a cross-sectional view showing an inverted beam, (b) is a cross-sectional view showing an intermediate beam, and (c) is an intermediate beam when the levels of the slab and slab of the reverse beam shown in (a) are aligned. FIG. （ａ）は図８−（ａ）に示す架構例のスラブと梁の関係を示した斜視図、（ｂ）は（ａ）のＡ−Ａ線断面図、（ｃ）は（ａ）のＢ−Ｂ線断面図である。8A is a perspective view showing the relationship between the slab and the beam in the example of the frame shown in FIG. 8A, FIG. 8B is a cross-sectional view taken along the line AA in FIG. 8A, and FIG. FIG. （ａ）は図８−（ｂ）に示す架構例のスラブと梁の関係を示した斜視図、（ｂ）は（ａ）のＡ−Ａ線断面図、（ｃ）は（ａ）のＢ−Ｂ線断面図である。8A is a perspective view showing the relationship between the slab and the beam in the example of the frame shown in FIG. 8B, FIG. 8B is a sectional view taken along line AA in FIG. 8A, and FIG. 8C is B in FIG. FIG. 同一の柱間の異なる階に順梁と中間梁がある架構の一部を示した立面図であり、（ａ）は相対的に下層階側に中間梁が架設され、上層階側に順梁が架設された場合、（ｂ）は立面上の一部の範囲の梁が順梁で、その周囲に中間梁が架設された場合である。It is an elevational view showing a part of a frame with forward beams and intermediate beams on different floors between the same columns. (A) is an intermediate beam relatively constructed on the lower floor side and in order on the upper floor side. When the beam is erected, (b) is a case where a part of the beam on the elevation surface is a forward beam, and an intermediate beam is erected around it. 床の平面形状が円形状であるダブルチューブ構造架構の構成例を示した平面図である。It is the top view which showed the example of a structure of the double tube structure frame whose planar planar shape is circular shape.

以下、図面を用いて本発明を実施するための最良の形態を説明する。   Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.

図１−（ａ）、（ｂ）は複数本の内周柱１の柱列からなる内周チューブ２と、複数本の外周柱４の柱列からなる外周チューブ５、及び内周チューブ２と外周チューブ５をつなぐスラブ６を持つダブルチューブ構造の架構例を示す。（ａ）は平面上の基準部に外周柱４を構成する隅柱４３がある場合、（ｂ）は隅柱４３がない場合である。図１−（ａ）、（ｂ）はダブルチューブ構造架構の基準階（一般階）の平面（床）を示している。   1- (a) and (b) show an inner peripheral tube 2 composed of a column of a plurality of inner peripheral columns 1, an outer tube 5 composed of a column of a plurality of outer peripheral columns 4, and an inner tube 2. An example of a double-tube structure having a slab 6 that connects the outer tube 5 is shown. (A) is a case where the corner pillar 43 which comprises the outer periphery pillar 4 exists in the reference | standard part on a plane, (b) is a case where the corner pillar 43 does not exist. 1- (a) and (b) show the plane (floor) of the standard floor (general floor) of the double-tube structure frame.

図１は床の平面形状が矩形状（方形状）である場合の、基準部の領域４Ａと基準部の領域４Ａを除く中間部の領域４Ｂの配置例を示すが、床の平面形状とそれに伴う各領域４Ａ、４Ｂの配置状態は任意である。図１に示すように床が方形状の場合、例えば基準部の領域４Ａと中間部の領域４Ｂを平面上の隅角部とそれ以外の領域とに区分することが可能であるが、図１４に示すように床の平面形状が円形である場合には、床は例えば周方向に基準部の領域４Ａと中間部の領域４Ｂが交互に配列するように区分される。いずれの形状の場合も、ダブルチューブ構造架構は内周チューブ２と外周チューブ５、及びスラブ６から構成される。   FIG. 1 shows an example of the arrangement of the reference area 4A and the intermediate area 4B excluding the reference area 4A when the floor is rectangular (rectangular). The arrangement state of each of the regions 4A and 4B is arbitrary. When the floor is rectangular as shown in FIG. 1, for example, the reference area 4A and the intermediate area 4B can be divided into a corner on the plane and other areas. As shown in FIG. 4, when the planar shape of the floor is circular, the floor is divided so that, for example, the reference region 4A and the intermediate region 4B are alternately arranged in the circumferential direction. In any shape, the double-tube structure frame is composed of an inner tube 2, an outer tube 5, and a slab 6.

外周柱４は平面上の基準部の領域４Ａに配置される基準部柱４１と、中間部の領域４Ｂに配置される中間部柱４２とに区分され、基準部柱４１と中間部柱４２のいずれか一方に順梁７が接続し、他方に順梁と逆梁の中間の断面形状をした中間梁８が接続する。図１−（ａ）、（ｂ）はいずれも基準部柱４１に順梁７が接続し、中間部柱４２に中間梁８が接続した場合の例を示すが、図８−（ｂ）、図１２に示すように基準部柱４１に中間梁８が接続し、中間部柱４２に順梁７が接続することもある。基準部の領域４Ａと中間部の領域４Ｂの境界に位置する柱は基準部柱４１と中間部柱４２を兼ねることになる。   The outer peripheral column 4 is divided into a reference portion column 41 arranged in the reference portion region 4A on the plane and an intermediate portion column 42 arranged in the intermediate region 4B. The forward beam 7 is connected to one of them, and the intermediate beam 8 having an intermediate cross section between the forward beam and the reverse beam is connected to the other. FIGS. 1- (a) and (b) show examples in which the forward beam 7 is connected to the reference column 41 and the intermediate beam 8 is connected to the intermediate column 42. FIGS. As shown in FIG. 12, the intermediate beam 8 may be connected to the reference portion column 41 and the forward beam 7 may be connected to the intermediate portion column 42. A column located at the boundary between the reference region 4A and the intermediate region 4B serves as both the reference column 41 and the intermediate column 42.

平面上の基準部の領域４Ａとそれ以外の中間部の領域４Ｂはスラブ６の平面形状によって決まる内周チューブ２及び外周チューブ５の配置によって決まる。内周柱１の柱列と外周柱４の柱列は内周チューブ２と外周チューブ５が互いに同心角、もしくは同心円等、相似形の関係になるように配列する。内周柱１の柱列と外周柱４の柱列は直線状、円弧状等、規則的に配置されるが、必ずしも等間隔に配列する必要はない。内周柱２の各方向の柱列と外周柱４の各方向の柱列はそれぞれの方向の耐震性能を確保するための構面を構成する。   The reference region 4A and the other intermediate region 4B on the plane are determined by the arrangement of the inner peripheral tube 2 and the outer peripheral tube 5 determined by the planar shape of the slab 6. The columns of the inner peripheral column 1 and the column of the outer peripheral column 4 are arranged so that the inner peripheral tube 2 and the outer peripheral tube 5 have a similar relationship such as a concentric angle or a concentric circle. Although the column of the inner peripheral column 1 and the column of the outer peripheral column 4 are regularly arranged such as a straight line or an arc, they are not necessarily arranged at regular intervals. The column rows in each direction of the inner peripheral column 2 and the column columns in each direction of the outer peripheral column 4 constitute a construction surface for ensuring the earthquake resistance performance in each direction.

図１−（ａ）、（ｂ）に示す平面形状例の場合において、例えば外周チューブ５と内周チューブ２に包囲された領域の内、内周柱１の柱列の延長線上に中柱３が配置される場合には、この中柱３と外周柱４（基準部柱４１）とで区画（包囲）された領域が基準部の領域４Ａになる。中柱３が配置されない場合には、内周柱２の柱列の延長線と外周柱４とで区画された領域が基準部の領域４Ａになる。基準部の領域４Ａを除く領域が中間部の領域４Ｂになる。   In the case of the planar shape example shown in FIGS. 1A and 1B, for example, the middle column 3 on the extension line of the column of the inner column 1 in the region surrounded by the outer tube 5 and the inner tube 2. Is arranged (enclosed) by the middle pillar 3 and the outer peripheral pillar 4 (reference part pillar 41) becomes the reference part area 4A. When the middle pillar 3 is not arranged, the area defined by the extension line of the column of the inner peripheral pillar 2 and the outer peripheral pillar 4 becomes the reference area 4A. The area excluding the reference area 4A becomes the intermediate area 4B.

平面上の全領域は基準部の領域４Ａと中間部の領域４Ｂ毎に、あるいは各領域４Ａ、４Ｂの区別なく、戸境壁によって任意の平面形状と平面積を持つ領域（住戸）に仕切られる。図１−（ａ）、（ｂ）中、内周チューブ２と外周チューブ５を結ぶ実線が戸境壁を示している。   The entire area on the plane is divided into areas (dwelling units) having an arbitrary planar shape and a flat area by the boundary wall for each of the reference area 4A and the intermediate area 4B or without distinction between the areas 4A and 4B. . In FIGS. 1- (a) and (b), the solid line connecting the inner peripheral tube 2 and the outer peripheral tube 5 indicates the door wall.

ダブルチューブ構造の架構は内周チューブ２（内周柱１）と外周チューブ５（外周柱４）、及びスラブ６によって成立するから、内周チューブ２（内周柱１）と外周チューブ５（外周柱４）間（構面に直交する方向）には必ずしも梁が架設される必要はない。また図１に示すように中柱３が配置される場合にも、内周チューブ２と外周チューブ５の各柱列間の中柱３、３間（構面に平行な方向）にも必ずしも梁が架設される必要はない。   Since the double-tube structure is formed by the inner peripheral tube 2 (inner peripheral column 1), the outer peripheral tube 5 (outer peripheral column 4), and the slab 6, the inner peripheral tube 2 (inner peripheral column 1) and the outer peripheral tube 5 (outer periphery). It is not always necessary to install a beam between the columns 4) (in a direction perpendicular to the construction surface). In addition, even when the middle column 3 is arranged as shown in FIG. 1, the beam is not necessarily provided between the middle columns 3 and 3 (direction parallel to the construction surface) between the inner tube 2 and the outer tube 5. Need not be erected.

ダブルチューブ構造架構が内周チューブ２（内周柱１）と外周チューブ５（外周柱４）、及びスラブ６によって成立することで、戸境壁の配置位置を自由に変更可能にしておけば、ダブルチューブ構造架構はＳＩ（スケルトンインフィル）住宅に対応可能な構造体を構成する。   If the double tube structure frame is formed by the inner peripheral tube 2 (inner peripheral column 1), the outer peripheral tube 5 (outer peripheral column 4) and the slab 6, it is possible to freely change the arrangement position of the door wall. The double-tube structure frame constitutes a structure that can accommodate SI (skeleton infill) houses.

上記の通り、図１−（ａ）、（ｂ）は基準部柱４１に順梁７が接続し、中間部柱４２に中間梁８が接続した場合の例を示している。中間梁８が接続した区間（中間部の領域４Ｂ）のスラブ６は外周チューブ５より外周（屋外）側へ連続して張り出すことができないことから、中間梁８が接続した区間におけるスラブ６の屋外寄りの領域は図２−（ｂ）、図４に示すように内周柱１（屋内）側と中間梁８の長さ方向両側の三方が壁や部屋等に包囲されたベイバルコニー９１を構成する。   As described above, FIGS. 1A and 1B show an example in which the forward beam 7 is connected to the reference portion column 41 and the intermediate beam 8 is connected to the intermediate portion column 42. Since the slab 6 in the section (intermediate region 4B) to which the intermediate beam 8 is connected cannot be continuously extended from the outer tube 5 to the outer periphery (outdoor), the slab 6 in the section to which the intermediate beam 8 is connected As shown in FIGS. 2B and 4, the outdoor side area includes a bay balcony 91 in which three sides on the inner circumferential pillar 1 (indoor) side and the both sides in the length direction of the intermediate beam 8 are surrounded by walls and rooms. Configure.

図２−（ｂ）は図１−（ａ）のｙ−ｙ線の断面図、図４は図１−（ａ）のｂ−ｂ線の断面図であり、共に中間梁８を横切る断面を示している。図４は特に切断線（ｂ−ｂ線）方向に１住戸を横断する断面を示している。図２−（ｂ）に示すように外周柱４（中間部柱４２）に中間梁８が接続した領域では外周柱４と中間梁８の屋内側にベイバルコニー９１が位置する。   2B is a cross-sectional view taken along the line yy of FIG. 1A, and FIG. 4 is a cross-sectional view taken along the line BB of FIG. Show. FIG. 4 particularly shows a cross section that crosses one dwelling unit in the direction of the cutting line (b-b line). As shown in FIG. 2B, in the region where the intermediate beam 8 is connected to the outer peripheral column 4 (intermediate column 42), the bay balcony 91 is located on the indoor side of the outer peripheral column 4 and the intermediate beam 8.

これに対し、順梁７が接続した区間（基準部の領域４Ａ）のスラブ６は外周チューブ５より外周（屋外）側へ連続して張り出すことができるため、順梁７が接続した区間におけるスラブ６の屋外寄りの領域は図２−（ａ）、図３に示すように外周チューブ５（外周柱４）から屋外側へ張り出す張り出し（持ち出し）バルコニー９２を構成する。   On the other hand, since the slab 6 in the section (reference region 4A) to which the forward beam 7 is connected can continuously extend from the outer tube 5 to the outer periphery (outdoor) side, in the section to which the forward beam 7 is connected. As shown in FIG. 2A and FIG. 3, an area of the slab 6 that is close to the outside constitutes an overhanging (carrying out) balcony 92 that projects from the outer tube 5 (the outer column 4) to the outdoor side.

図２−（ａ）は図１−（ａ）のｘ−ｘ線の断面図、図３は図１−（ａ）のａ−ａ線の断面図であり、共に順梁７を横切る断面を示している。図３は特に切断線（ａ−ａ線）方向に２住戸に跨る断面を示している。図２−（ａ）に示すように外周柱４（基準部柱４１）に順梁７が接続した領域では外周柱４と順梁７の屋外側に張り出しバルコニー９２が位置する。   2A is a cross-sectional view taken along line xx in FIG. 1A, and FIG. 3 is a cross-sectional view taken along line aa in FIG. Show. FIG. 3 particularly shows a cross section extending over two dwelling units in the direction of the cutting line (a-a line). As shown in FIG. 2A, in the region where the forward beam 7 is connected to the outer peripheral column 4 (reference portion column 41), the protruding balcony 92 is located on the outer side of the outer peripheral column 4 and the forward beam 7.

図５は図１−（ａ）をｃ−ｃ線方向に見た立面を示している。ここに示す隅柱４３を含め、左側から３本目の外周柱４（基準部柱４１）までは基準部の領域４Ａに位置し、この３本目の外周柱４（基準部柱４１）から右側は中間部の領域４Ｂに位置する。ここに示すように基準部の領域４Ａにおけるスラブ６には順梁７が接続し、中間部の領域４Ｂにおけるスラブ６には中間梁８が接続することで、左側から３本目の外周柱４（基準部柱４１）には順梁７と中間梁８が接続している。左側から３本目の外周柱４（基準部柱４１）には構面外方向を向く壁（袖壁）１０が接続している。図５に示す袖壁１０付きの基準部柱４１は図８−（ａ）において隅柱４３を含め、左側から２本目の基準部柱４１に相当している。   FIG. 5 shows an elevational view of FIG. 1- (a) viewed in the direction of the line cc. The corner column 43 shown here and the third outer peripheral column 4 (reference portion column 41) from the left side are positioned in the reference portion region 4A, and the right side from the third outer peripheral column 4 (reference portion column 41) is Located in the middle region 4B. As shown here, the forward beam 7 is connected to the slab 6 in the reference region 4A, and the intermediate beam 8 is connected to the slab 6 in the intermediate region 4B. The forward beam 7 and the intermediate beam 8 are connected to the reference column 41). A wall (sleeve wall) 10 facing in the outward direction of the surface is connected to the third outer peripheral column 4 (reference portion column 41) from the left side. The reference portion column 41 with the sleeve wall 10 shown in FIG. 5 corresponds to the second reference portion column 41 from the left side including the corner column 43 in FIG.

この左側から３本目の外周柱４（基準部柱４１）のせん断スパンはその外周柱４の右側に接続する中間梁８の上端レベルから、その上階における左側に接続する順梁７の下端レベルまでの区間になるが、図５に示す例では同一階における左側の順梁７の下端レベルと、右側の中間梁８の下端レベルに極端な差がないため、図示しない左側から４本目の外周柱４のせん断スパンと大きな差はない。前記したように図１０−（ｂ）における中間梁８の、スラブ６から上端までの距離（ｈ２）と下端までの距離（ｈ３）は自由に設定されることから、これらの距離の調整により、順梁７と中間梁８が同一構面上に（同一構面内で）接続する柱４１、４２のせん断スパンも自由に調整される。   The shear span of the third outer peripheral column 4 (reference column 41) from the left side is from the upper end level of the intermediate beam 8 connected to the right side of the outer peripheral column 4 to the lower end level of the forward beam 7 connected to the left side of the upper floor. In the example shown in FIG. 5, there is no extreme difference between the lower end level of the left forward beam 7 and the lower end level of the right intermediate beam 8 on the same floor. There is no significant difference from the shear span of the column 4. As described above, since the distance (h2) from the slab 6 to the upper end and the distance (h3) from the lower end of the intermediate beam 8 in FIG. 10- (b) can be freely set, by adjusting these distances, The shear spans of the columns 41 and 42 where the forward beam 7 and the intermediate beam 8 are connected on the same surface (within the same surface) are also freely adjusted.

従って図５において左側から４本目の外周柱４のせん断スパンが短柱化しない程度の十分な距離を有していれば、全外周柱４が短柱化しない程度のせん断スパンを有することになる。または左側から３本目の外周柱４が短柱化しない程度のせん断スパンが距離を有していれば、その他の外周柱４も短柱化しないせん断スパンを有することになる。   Therefore, if the shear span of the fourth outer peripheral column 4 from the left side in FIG. 5 has a sufficient distance so as not to shorten the column, the entire outer peripheral column 4 has a shear span that does not shorten the column. . Alternatively, if the shear span is such that the third outer peripheral column 4 from the left side is not shortened, the other outer peripheral columns 4 also have shear spans that are not shortened.

図６は図１−（ａ）に示す平面を有する建物（集合住宅）の外観を示した透視図（パース）である。ここに示すように基準部の領域４Ａと中間部の領域４Ｂの屋外側には形態の異なるバルコニー（ベイバルコニー９１と張り出しバルコニー９２）が位置することから、基準部の領域４Ａと中間部の領域４Ｂは異なる外観を呈している。   FIG. 6 is a perspective view (perth) showing the appearance of the building (apartment house) having the plane shown in FIG. As shown here, since the balconies (bay balcony 91 and overhanging balcony 92) having different forms are located on the outdoor side of the reference area 4A and the intermediate area 4B, the reference area 4A and the intermediate area 4B has a different appearance.

図８−（ａ）は隅柱４３を含む基準部柱４１に順梁７が接続し、中間部柱４２に中間梁８が接続した架構の立面を、（ｂ）は基準部柱４１に中間梁８が接続し、中間部柱４２に順梁７が接続した架構の立面を示す。図８−（ａ）、（ｂ）のいずれの例においても全階の階高Ｈは一定で、各階のスラブ６の厚さ、及びレベルも一定になっているため、図８より、階高Ｈとスラブ厚、及びレベルを統一しながらも、同一階のスラブ６に順梁７と中間梁７を隣接する柱４１、４１（４１、４２）間単位で自由に接続することが可能であることが分かる。   FIG. 8A shows an elevation of the frame in which the forward beam 7 is connected to the reference column 41 including the corner column 43 and the intermediate beam 8 is connected to the intermediate column 42, and FIG. The elevation of the frame with the intermediate beam 8 connected and the forward beam 7 connected to the intermediate column 42 is shown. 8A and 8B, the floor height H of all the floors is constant, and the thickness and level of the slab 6 of each floor are also constant. While unifying H and slab thickness and level, it is possible to freely connect the forward beam 7 and the intermediate beam 7 to the slab 6 on the same floor in units between adjacent columns 41 and 41 (41, 42). I understand that.

図８−（ａ）に示す架構におけるスラブ６と梁（順梁７と中間梁８）の関係を図１１−（ａ）に、図８−（ｂ）に示す架構におけるスラブ６と梁（順梁７と中間梁８）の関係を図１２−（ａ）にそれぞれ示す。   The relationship between the slab 6 and the beams (forward beam 7 and intermediate beam 8) in the frame shown in FIG. 8- (a) is shown in FIG. 11- (a), and the slab 6 and the beam (in order) in the frame shown in FIG. 8- (b). The relationship between the beam 7 and the intermediate beam 8) is shown in FIG.

図１１−（ａ）の場合、順梁７と中間梁８は同一線上（同一構面上）に位置し、基準部の領域４Ａと中間部の領域４Ｂとでスラブ６の天端面にレベル差はないが、（ａ）のＡ−Ａ線、Ｂ−Ｂ線断面図である（ｂ）、（ｃ）の対比で分かるように中間梁８の下端のレベルは順梁７の下端のレベルより上に位置し、中間梁８の上端のレベルはスラブ６の天端面より上に位置する。従って順梁７の上下端のレベルと中間梁８の上下端のレベルは相違しながらも、張り出しバルコニー９２の上面（上端）のレベルとベイバルコニー９１の上面（上端）のレベルは揃えられる（同一面上に位置する）。   In the case of FIG. 11- (a), the forward beam 7 and the intermediate beam 8 are located on the same line (on the same surface), and the level difference between the reference region 4A and the intermediate region 4B is different from the top end surface of the slab 6. However, the lower end level of the intermediate beam 8 is lower than the lower end level of the forward beam 7, as can be seen from the cross-sectional views taken along lines AA and BB in (a), (b) and (c). The level of the upper end of the intermediate beam 8 is located above the top end face of the slab 6. Therefore, although the upper and lower ends of the forward beam 7 are different from the upper and lower ends of the intermediate beam 8, the level of the upper surface (upper end) of the overhanging balcony 92 and the level of the upper surface (upper end) of the bay balcony 91 are the same (the same). Located on the surface).

図１２−（ａ）の場合も、順梁７と中間梁８は同一線上（同一構面上）に位置し、基準部の領域４Ａと中間部の領域４Ｂとでスラブ６の天端面にレベル差はなく、（ａ）のＡ−Ａ線、Ｂ−Ｂ線断面図である（ｂ）、（ｃ）に示すように中間梁８の下端のレベルは順梁７の下端のレベルより上に位置し、中間梁８の上端のレベルはスラブ６の天端面より上に位置する。結果として順梁７の上下端のレベルと中間梁８の上下端のレベルは相違しながらも、張り出しバルコニー９２の上面（上端）のレベルとベイバルコニー９１の上面（上端）のレベルは揃えられる（同一面上に位置する）。   Also in the case of FIG. 12- (a), the forward beam 7 and the intermediate beam 8 are located on the same line (on the same surface), and the level is at the top end surface of the slab 6 in the reference area 4A and the intermediate area 4B. There is no difference, and the lower end level of the intermediate beam 8 is higher than the lower end level of the forward beam 7 as shown in FIGS. Is located, and the level of the upper end of the intermediate beam 8 is located above the top end face of the slab 6. As a result, the level of the upper and lower ends of the forward beam 7 and the level of the upper and lower ends of the intermediate beam 8 are different, but the level of the upper surface (upper end) of the overhanging balcony 92 and the level of the upper surface (upper end) of the bay balcony 91 are aligned ( Located on the same plane).

図１１の場合、基準部の領域４Ａと中間部の領域４Ｂの境界位置にはそれぞれの側に架設される順梁７と中間梁８が接続する基準部柱４１が配置され、中間梁８の長さ方向の一部には中間部柱４２が配置される。図１２の場合は基準部の領域４Ａと中間部の領域４Ｂの境界位置に基準部柱４１が配置され、順梁７の長さ方向の一部に中間部柱４２が配置される。   In the case of FIG. 11, the reference column 41 connecting the forward beam 7 and the intermediate beam 8 laid on each side is arranged at the boundary position between the reference region 4A and the intermediate region 4B. An intermediate column 42 is disposed in a part of the length direction. In the case of FIG. 12, the reference portion column 41 is disposed at the boundary position between the reference portion region 4 </ b> A and the intermediate portion region 4 </ b> B, and the intermediate portion column 42 is disposed in a part in the length direction of the forward beam 7.

図１３−（ａ）、（ｂ）は同一の隣接する柱４１、４１（４１、４２）間の異なる階に順梁７と中間梁８が架設された架構の一部を示す。（ａ）は４階（３層）分の柱・梁の架構において下層側の２階のスラブ６に中間梁８が接続し、上層側の２階のスラブ６に順梁７が接続した場合を示している。（ｂ）は５階（４層）分の柱・梁の架構において、上下に隣接する任意の２階の内、横方向に隣接する２スパンのスラブ６に順梁７が接続し、それ以外のスラブ６に中間梁８が接続した場合を示している。   FIGS. 13A and 13B show a part of a frame in which the forward beam 7 and the intermediate beam 8 are installed on different floors between the same adjacent columns 41 and 41 (41 and 42). (A) is the case where the intermediate beam 8 is connected to the slab 6 on the second floor on the lower side and the forward beam 7 is connected to the slab 6 on the second floor on the upper floor in the 4th floor (3 layers) column / beam structure. Is shown. (B) In the 5th floor (4th floor) column / beam structure, the forward beam 7 is connected to the two span slabs 6 adjacent in the horizontal direction in any two floors adjacent vertically. The case where the intermediate beam 8 is connected to the slab 6 is shown.

図１３−（ａ）、（ｂ）のいずれの例においても全階の階高Ｈは一定で、各階のスラブ６の厚さ、及びレベルも一定になっているため、図１３より、階高Ｈとスラブ厚、及びレベルを統一しながらも、同一の隣接する柱４１、４１（４１、４２）間の異なる階単位で順梁７と中間梁８を自由に接続することが可能であることが分かる。   13- (a) and (b), the floor height H of all floors is constant, and the thickness and level of the slab 6 on each floor are also constant. It is possible to freely connect the forward beam 7 and the intermediate beam 8 in different floor units between the same adjacent columns 41, 41 (41, 42), while unifying H, slab thickness and level. I understand.

図１４は床の平面形状が円形状である場合のダブルチューブ構造架構の構成例を示している。この例では内周チューブ２と外周チューブ５とで挟まれた領域が床を構成するが、ここでは床全体を周方向に複数（偶数）の領域に区分し、基準部の領域４Ａと中間部の領域４Ｂを交互に配置している。具体的には基準部の領域４Ａを４本の柱（基準部柱４１）から構成し、中間部の領域４Ｂを５〜７本の柱（中間部柱４２）から構成しているが、この場合も基準部の領域４Ａと中間部の領域４Ｂの境界に位置する柱は基準部柱４１と中間部柱４２を兼ねる。   FIG. 14 shows a configuration example of a double-tube structure frame in the case where the planar shape of the floor is circular. In this example, the region sandwiched between the inner peripheral tube 2 and the outer peripheral tube 5 constitutes the floor. Here, the entire floor is divided into a plurality of (even) regions in the circumferential direction, and the reference portion region 4A and the intermediate portion are divided. The regions 4B are alternately arranged. Specifically, the reference region 4A is composed of four columns (reference portion column 41), and the intermediate region 4B is composed of 5 to 7 columns (intermediate column 42). Even in this case, the column located at the boundary between the reference region 4A and the intermediate region 4B serves as the reference column 41 and the intermediate column 42.

前記のように原則として内周チューブ２を構成する内周柱１の柱列と、外周チューブ５を構成する外周柱４の柱列は規則的に、ほぼ等間隔に配置されるが、耐震壁その他の耐震要素の配置によっては必ずしも規則的に配列する必要はない。   As described above, in principle, the column of the inner peripheral column 1 constituting the inner peripheral tube 2 and the column of the outer peripheral column 4 configuring the outer peripheral tube 5 are regularly arranged at almost equal intervals. Depending on the arrangement of other seismic elements, it is not always necessary to arrange them regularly.

１……内周柱、２……内周チューブ、３……中柱、
４……外周柱、４１……基準部柱、４２……中間部柱、４３……隅柱、
４Ａ……基準部の領域、４Ｂ……中間部の領域、
５……外周チューブ、
６……スラブ、７……順梁、８……中間梁、
９１……ベイバルコニー、９２……張り出しバルコニー、
１０……壁（袖壁）。 1 …… Inner column, 2 …… Inner tube, 3 …… Medium column,
4 ... Peripheral column, 41 ... Reference column, 42 ... Intermediate column, 43 ... Corner column,
4A: reference area, 4B: intermediate area,
5 …… Outer tube,
6 ... Slab, 7 ... Forward beam, 8 ... Intermediate beam,
91 …… Bay balcony, 92 …… Overhanging balcony,
10: Wall (sleeve wall).

Claims (3)

複数本の内周柱の柱列からなる内周チューブと、複数本の外周柱の柱列からなる外周チューブ、及び前記内周チューブと前記外周チューブをつなぐスラブを持つダブルチューブ構造の架構において、
前記内周チューブと前記外周チューブに包囲された帯状の領域は周方向に複数本の前記外周柱を含む一部の領域である基準部の領域と、この基準部の領域以外の、基準部の領域と交互に配列する中間部の領域とに区分され、
前記基準部の領域に配置される、隣接する前記外周柱間に順梁と、前記順梁と逆梁の中間の断面形状をした中間梁のいずれか一方が接続し、前記中間部の領域に配置される、隣接する前記外周柱間に前記順梁と前記中間梁のいずれか他方が接続し、
前記基準部の領域と前記中間部の領域の境界に位置する前記外周柱の一方側に前記順梁が接続し、他方側に前記中間梁が接続し、
同一の隣接する前記外周柱間の異なる階に前記順梁と前記中間梁があり、
全階の階高が一定で、全階のスラブの厚さ及びレベルが一定であることを特徴とするダブルチューブ構造架構。 In the frame of the double tube structure having an inner peripheral tube composed of a plurality of inner peripheral pillars, an outer peripheral tube composed of a plurality of outer peripheral pillars, and a slab connecting the inner peripheral tube and the outer peripheral tube,
The band-shaped region surrounded by the inner peripheral tube and the outer peripheral tube is a region of a reference portion that is a partial region including a plurality of the outer peripheral pillars in the circumferential direction, and a reference region other than the region of the reference portion It is divided into areas and intermediate areas arranged alternately .
Either a forward beam or an intermediate beam having a cross-sectional shape intermediate between the forward beam and the reverse beam is connected between the adjacent outer peripheral columns arranged in the reference region, and is connected to the intermediate region. The other one of the forward beam and the intermediate beam is connected between the adjacent outer peripheral columns arranged,
The forward beam is connected to one side of the outer peripheral column located at the boundary between the region of the reference portion and the region of the intermediate portion, and the intermediate beam is connected to the other side,
The forward beam and the intermediate beam are on different floors between the same adjacent peripheral columns,
A double-tube structure with a fixed floor height on all floors and a constant slab thickness and level on all floors . 前記基準部は平面上の隅角部の領域であることを特徴とする請求項１に記載のダブルチューブ構造架構。   The double-tube structure frame according to claim 1, wherein the reference portion is a corner region on a plane. 前記順梁と前記中間梁は同一階のスラブに接続していることを特徴とする請求項１、もしくは請求項２に記載のダブルチューブ構造架構。 The double-tube structure frame according to claim 1 , wherein the forward beam and the intermediate beam are connected to a slab on the same floor.
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