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JP5297356B2 - Reinforced concrete building - Google Patents

Reinforced concrete building Download PDF

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JP5297356B2
JP5297356B2 JP2009267244A JP2009267244A JP5297356B2 JP 5297356 B2 JP5297356 B2 JP 5297356B2 JP 2009267244 A JP2009267244 A JP 2009267244A JP 2009267244 A JP2009267244 A JP 2009267244A JP 5297356 B2 JP5297356 B2 JP 5297356B2
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concrete
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JP2011047258A (en
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真豊 松崎
雅行 中西
稔 小田
裕樹 藤田
耕次 眞鍋
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Sumitomo Mitsui Construction Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To enable a through-hole to be easily formed in a concrete building frame for an air duct or the like. <P>SOLUTION: The concrete building frame A1 is formed in two parts (thick-walled building frame part A11 and thin-walled building frame part A12) which are different from each other in thickness in the indoor/outdoor direction y. At least one reinforcement member is embedded across the thick-walled building frame part A11 and the thin-walled building frame part A12. The thin-walled part A12 is formed in a part of the concrete building frame A1. Accordingly, the part A12 facilitates penetration of the through-hole (refer to 3 in Fig.(c)) penetrating through the inside/outside of the room. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、コンクリート躯体を備えた鉄筋コンクリート造建築物に関する。   The present invention relates to a reinforced concrete structure provided with a concrete frame.

鉄筋コンクリート造の建築物においては、梁や柱等のコンクリート躯体は、断面が略矩形に形成されていた（例えば、特許文献１参照）。   In a reinforced concrete building, a concrete frame such as a beam or a column has a substantially rectangular cross section (for example, see Patent Document 1).

特開２００５−２１３７８０号公報JP 2005-213780 A

しかしながら、従来のコンクリート躯体（柱や梁）は分厚く形成されていたので、エアーダクト等のための貫通孔を穿設することが困難であった。   However, since conventional concrete frames (columns and beams) are formed thick, it is difficult to drill through holes for air ducts and the like.

本発明は、上述の問題を解消することができる鉄筋コンクリート造建築物を提供することを目的とするものである。   The object of the present invention is to provide a reinforced concrete building capable of solving the above-mentioned problems.

請求項１に係る発明は、図１(a) (b) (c) 及び図６(a) (b) に例示するものであって、ベランダ（Ｖ）と住戸（Ｂ）と共用廊下（Ｃ）とを備えた鉄筋コンクリート造建築物（１）において、
室内外方向（ｙ）の厚み（Ｗ１１，Ｗ１２）が異なる厚肉躯体部（Ａ１１，Ａ３１）と薄肉躯体部（Ａ１２，Ａ３２）とからなるコンクリート躯体（Ａ１，Ａ３）、を備え、
該厚肉躯体部（Ａ１１，Ａ３１）と該薄肉躯体部（Ａ１２，Ａ３２）とは連続するように一体的に形成され、
かつ、前記厚肉躯体部（Ａ１１，Ａ３１）から前記薄肉躯体部（Ａ１２，Ａ３２）に掛けて少なくとも１本の鉄筋部材（３）が埋設されてなり、
前記コンクリート躯体（Ａ１）は、前記ベランダ（Ｖ）とは反対の側であって前記共用廊下（Ｃ）と前記住戸（Ｂ）との境に配置された梁であり、該コンクリート躯体（Ａ１）の薄肉躯体部（Ａ１２）は略水平方向に延設されると共に前記共用廊下（Ｃ）と前記住戸（Ｂ）との境にある壁部分に配置され、かつ、
前記コンクリート躯体（Ａ３）は、前記ベランダ（Ｖ）の側に配置された柱であり、該コンクリート躯体（Ａ３）の薄肉躯体部（Ａ３２）は略鉛直方向に延設され、
前記ベランダ（Ｖ）の側には順梁が配置されたことを特徴とする。 The invention according to claim 1 is illustrated in FIGS. 1 (a), (b), (c) and FIGS. 6 (a), (b) , and includes a veranda (V), a dwelling unit (B), and a common hallway (C In a reinforced concrete building (1) with
A concrete housing (A1 , A3 ) composed of a thick housing portion (A11 , A31 ) and a thin housing portion (A12 , A32 ) having different thicknesses (W11, W12) in the indoor / outdoor direction (y),
The thick casing (A11 , A31 ) and the thin casing (A12 , A32 ) are integrally formed to be continuous,
And the thick skeleton portion (A11, A31) the thin skeleton portion (A12, A32) at least one reinforcing bar member over the (3) Ri is Na is embedded from,
The concrete frame (A1) is a beam arranged on the opposite side of the veranda (V) and at the boundary between the common hallway (C) and the dwelling unit (B), and the concrete frame (A1) The thin-walled casing (A12) extends in a substantially horizontal direction and is disposed on a wall portion at the boundary between the shared hallway (C) and the dwelling unit (B), and
The concrete casing (A3) is a column disposed on the veranda (V) side, and the thin casing (A32) of the concrete casing (A3) extends in a substantially vertical direction,
A forward beam is arranged on the veranda (V) side .

請求項２に係る発明は、請求項１に係る発明において、図６(b) に例示するものであって、前記柱（Ａ３）における前記薄肉躯体部（Ａ３２）には、室内外を貫通する貫通孔が穿設されてなることを特徴とする。 The invention according to claim 2 is illustrated in FIG. 6 (b) in the invention according to claim 1, and the thin-walled casing (A32) in the column (A3) penetrates the interior and the exterior. A through hole is formed .

請求項３に係る発明は、請求項１又は２に係る発明において、図１(a) 及び(b) に示すように、前記ベランダ（Ｖ）とは反対の側に配置されたコンクリート躯体（Ａ１）における厚肉躯体部（Ａ１１）は順梁を構成していることを特徴とする。 The invention according to claim 3 is the invention according to claim 1 or 2, as shown in FIGS. 1 (a) and (b) , a concrete frame (A 1) disposed on the side opposite to the veranda (V). The thick-walled frame portion (A11) in FIG.

なお、括弧内の番号などは、図面における対応する要素を示す便宜的なものであり、従って、本記述は図面上の記載に限定拘束されるものではない。   Note that the numbers in parentheses are for the sake of convenience indicating the corresponding elements in the drawings, and therefore the present description is not limited to the descriptions on the drawings.

請求項１に係る発明によれば、コンクリート躯体の一部に薄肉の部分が形成されているので、該部分を利用すれば、室内外を貫通する貫通孔を容易に穿設することが可能となる。   According to the first aspect of the present invention, since the thin portion is formed in a part of the concrete frame, if this portion is used, it is possible to easily drill a through hole that penetrates the interior and the exterior. Become.

また、ベランダ側の開口や他の開口を小さくせずに建築物の強度をアップすることができる。 Further , the strength of the building can be increased without reducing the opening on the veranda side or other openings.

さらに、窓開口上部や下部の視界がコンクリート躯体によって遮られることを防止できる。 Furthermore , it is possible to prevent the visibility of the upper and lower portions of the window opening from being blocked by the concrete frame.

図１(a) は、本発明に係る鉄筋コンクリート造建築物の構造の一例を示す断面図であり、同図(b)(c) は、コンクリート躯体の形状等を示す拡大断面図である。Fig.1 (a) is sectional drawing which shows an example of the structure of the reinforced concrete structure based on this invention, The same figure (b) (c) is an expanded sectional view which shows the shape etc. of a concrete frame. 図２(a) は、鉄筋コンクリート造建築物の従来構造の一例を示す断面図であり、同図(b)は、鉄筋コンクリート造建築物の従来構造の他の例を示す断面図である。FIG. 2A is a cross-sectional view showing an example of a conventional structure of a reinforced concrete building, and FIG. 2B is a cross-sectional view showing another example of the conventional structure of a reinforced concrete building. 図３は、本発明に係る鉄筋コンクリート造建築物の構造の一例を示す平面図である。FIG. 3 is a plan view showing an example of the structure of a reinforced concrete building according to the present invention. 図４は、本発明に係る鉄筋コンクリート造建築物の構造の一例を示す斜視図である。FIG. 4 is a perspective view showing an example of the structure of a reinforced concrete building according to the present invention. 図５は、コンクリート躯体の形状の他の例を示す斜視図である。FIG. 5 is a perspective view showing another example of the shape of the concrete frame. 図６(a) は、本発明に係る鉄筋コンクリート造建築物の構造の一例を示す正面図（ベランダの側から見た図）であり、同図(b)は、コンクリート躯体の形状等を示す拡大断面図（図６(a) のＤ−Ｄ断面図）である。Fig.6 (a) is a front view (figure seen from the side of the veranda) which shows an example of the structure of the reinforced concrete structure which concerns on this invention, The figure (b) is an expansion which shows the shape of a concrete frame, etc. It is sectional drawing (DD sectional drawing of Fig.6 (a)). 図７は、本発明に係る鉄筋コンクリート造建築物の構造の他の例を示す断面図である。FIG. 7 is a sectional view showing another example of the structure of the reinforced concrete building according to the present invention.

以下、図１乃至図６に沿って、本発明の実施の形態について説明する。   Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 to 6.

本発明に係る鉄筋コンクリート造建築物は、図１(a) (b) に符号１で例示するものであって、室内外方向ｙの厚みが異なる少なくとも２つの部分（すなわち、厚肉躯体部Ａ１１と薄肉躯体部Ａ１２）とからなるコンクリート躯体Ａ１を備えている。つまり、１つのコンクリート躯体Ａ１においては、図１(b) に詳示するように、
厚肉躯体部Ａ１１の厚みＷ１１ ＞ 薄肉躯体部Ａ１２の厚みＷ１２
となるように設定されると共に、厚肉躯体部Ａ１１と薄肉躯体部Ａ１２とは分離されずに連続するように一体的に形成されている。言い換えれば、本発明におけるコンクリート躯体Ａ１は、断面が矩形の部材から、建築物の強度増加にあまり貢献しない部分（つまり、図１(c) に符号Ａ１３で示す部分）を除去して、厚肉躯体部Ａ１１と薄肉躯体部Ａ１２とを形成したものである。そして、該厚肉躯体部Ａ１１から該薄肉躯体部Ａ１２に掛けては少なくとも１本の鉄筋部材２が埋設されている。 The reinforced concrete building according to the present invention is illustrated by reference numeral 1 in FIGS. 1 (a) and 1 (b), and has at least two parts (that is, a thick-walled casing part A11 and a different thickness in the indoor / outdoor direction y). It is provided with a concrete casing A1 composed of a thin casing section A12). That is, in one concrete frame A1, as shown in detail in FIG.
Thickness W11 of thick casing A11> Thickness W12 of thin casing A12
The thick-walled casing portion A11 and the thin-walled casing portion A12 are integrally formed so as to be continuous without being separated. In other words, the concrete frame A1 according to the present invention removes a portion (that is, a portion indicated by reference numeral A13 in FIG. 1 (c)) from a member having a rectangular cross section so as not to increase the strength of the building. A casing A11 and a thin casing A12 are formed. Then, at least one reinforcing bar member 2 is embedded from the thick-walled casing portion A11 to the thin-walled casing portion A12.

本発明によれば、コンクリート躯体Ａ１の一部に薄肉の部分Ａ１２が形成されているので、該部分Ａ１２を利用すれば、室内外を貫通する貫通孔（図１(c) の符号３参照）を容易に穿設することが可能となる。   According to the present invention, since the thin portion A12 is formed in a part of the concrete casing A1, if the portion A12 is used, a through-hole penetrating indoors and outdoors (see reference numeral 3 in FIG. 1 (c)). Can be easily drilled.

さらに、本発明によれば、厚肉躯体部Ａ１１と薄肉躯体部Ａ１２の両方によって建築物１の強度を高めることができるため、他の部分の梁や柱（つまり、厚肉躯体部と薄肉躯体部とにより構成されていない梁や柱）を必要に応じて薄くすることができる。その効果の一例を、ベランダ側の梁を偏平にした場合を例に取って説明する。   Furthermore, according to the present invention, the strength of the building 1 can be increased by both the thick-walled body part A11 and the thin-walled body part A12, so that beams and columns of other parts (that is, the thick-walled body part and the thin-walled body body) The beam or the column that is not configured by the portion can be thinned as necessary. An example of the effect will be described by taking a case where the beam on the veranda side is made flat.

従来のコンクリート造建築物では、ベランダ側の梁は、図２(a)に符号４で示すような位置に設けられていたり、図２(b) に符号５で示すような位置に設けられたりしていた。前者の梁４は順梁と呼ばれるものであり、後者の梁５はアウトフレームとか逆梁とか呼ばれるものである。前者の構造では、順梁４の厚み分（上下方向の寸法分）だけ窓開口部が低くなってしまい（一般的な階高では２ｍを超えるようなサッシを採用することは困難であり）、部屋からの眺望が遮られて開放感が得られないという問題があった。また、後者の構造では、そのような問題は無くハイサッシの取付も可能にはなるものの、アウトフレーム５の構築にコストが掛かってしまうという問題があった。また、ベランダの手摺り部分にアウトフレーム５が配置されることとなるため、通風や採光がカットされてしまうという問題もあった。これに対し、上述したようなコンクリート躯体Ａ１（つまり、厚肉躯体部Ａ１１と薄肉躯体部Ａ１２とからなる部材）を用いた場合には厚肉躯体部Ａ１１と薄肉躯体部Ａ１２の両方によって建築物１の強度を高めることができるため、図２(a)
に示す順梁４の上下寸法を薄くでき、その結果、部屋からの眺望の遮りを少なくして開放感を増すことができる。また、図２(b) に示すようなアウトフレーム５を採用する必要が無いため、安価となり、通風や採光の問題も解決することができる。 In a conventional concrete building, the beam on the veranda side is provided at a position indicated by reference numeral 4 in FIG. 2 (a), or at a position indicated by reference numeral 5 in FIG. 2 (b). Was. The former beam 4 is called a forward beam, and the latter beam 5 is called an out frame or a reverse beam. In the former structure, the window opening becomes lower by the thickness of the forward beam 4 (the vertical dimension) (it is difficult to adopt a sash exceeding 2 m at a general floor height) There was a problem that the view from the room was blocked and a sense of openness could not be obtained. In the latter structure, there is no such problem, and although it is possible to attach a high sash, there is a problem that the construction of the out frame 5 is costly. Further, since the out frame 5 is disposed on the handrail portion of the veranda, there is a problem that ventilation and lighting are cut off. On the other hand, in the case of using the concrete casing A1 as described above (that is, a member including the thick-walled casing part A11 and the thin-walled casing part A12), the building is constructed by both the thick-walled casing part A11 and the thin-walled casing part A12. Since the strength of 1 can be increased, FIG. 2 (a)
The vertical dimension of the forward beam 4 shown in FIG. 4 can be reduced, and as a result, the view from the room can be reduced and the feeling of opening can be increased. Further, since it is not necessary to employ the out frame 5 as shown in FIG. 2B, the cost is reduced and the problems of ventilation and lighting can be solved.

ところで、図１(a)
に示すコンクリート躯体Ａ１は、ベランダＶとは反対の側（共用廊下Ｃと住戸Ｂとの境部分）に配置された梁であって、薄肉躯体部Ａ１２は略水平方向に延設されているが、この点について説明する。 By the way, Fig. 1 (a)
The concrete frame A1 shown in FIG. 2 is a beam disposed on the side opposite to the veranda V (the boundary between the common corridor C and the dwelling unit B), and the thin-walled frame A12 extends in a substantially horizontal direction. This point will be described.

多くの集合住宅では、図１(a) に示すように、ベランダＶと反対の側には共用廊下Ｃが配置されているが、該共用廊下Ｃと住戸Ｂとの境には、戸口を除くと小さな窓しか配置されていないので、該戸口や小さな窓以外の部分（つまり、共用廊下Ｃと住戸Ｂとの境にある壁部分）に図３及び図４に示すように薄肉躯体部Ａ１２を配置しても何ら問題は無い。つまり、ベランダ側の開口や他の開口を小さくせずに建築物１の強度をアップすることができる。この場合、ベランダ側の梁６のみならず妻面側の梁７も偏平梁にすると良い。   In many apartments, as shown in Fig. 1 (a), a common corridor C is arranged on the side opposite to the veranda V, but the doorway is excluded at the boundary between the common corridor C and the dwelling unit B. Since only the small window is arranged, the thin-walled casing portion A12 is provided on the portion other than the doorway and the small window (that is, the wall portion at the boundary between the common corridor C and the dwelling unit B) as shown in FIGS. There is no problem even if arranged. That is, the strength of the building 1 can be increased without reducing the opening on the veranda side or other openings. In this case, not only the beam 6 on the veranda side but also the beam 7 on the end face side may be flat beams.

なお、図１(a)
(b) (c) に示すコンクリート躯体Ａ１では厚肉躯体部Ａ１１と薄肉躯体部Ａ１２を１つずつ形成したが、図５に符号Ａ２で示すように、薄肉躯体部Ａ２２の両側に厚肉躯体部Ａ２１を配置するようにすれば、コンクリート躯体Ａ２の曲げ耐力が向上されることになるので好ましい。 Figure 1 (a)
(b) In the concrete casing A1 shown in (c), the thick casing A11 and the thin casing A12 are formed one by one. However, as shown by reference numeral A2 in FIG. 5, the thick casing is formed on both sides of the thin casing A22. It is preferable to arrange the portion A21 because the bending strength of the concrete casing A2 is improved.

一方、前記コンクリート躯体を柱とする場合には、図６(a) (b) に示すように、該コンクリート躯体Ａ３をベランダＶの側に配置して、前記薄肉躯体部Ａ３２が窓開口の側縁に沿うように略鉛直方向に延設されるようにすると良い。このように、ベランダ側に柱状のコンクリート躯体Ａ３を設けた場合には、窓開口上部や下部の視界が遮られることを防止した上で建築物の強度アップを図ることができる。   On the other hand, when the concrete frame is a column, as shown in FIGS. 6 (a) and 6 (b), the concrete frame A3 is disposed on the veranda V side so that the thin-walled body A32 is located on the window opening side. It is preferable to extend in a substantially vertical direction along the edge. Thus, when the columnar concrete frame A3 is provided on the veranda side, it is possible to increase the strength of the building while preventing the visibility of the upper and lower portions of the window opening from being obstructed.

なお、当然ながら、上述したコンクリート躯体Ａ１，Ａ２，A３を１つの建築物中に配置しても良い。   Needless to say, the concrete frames A1, A2 and A3 described above may be arranged in one building.

図１乃至図６に示す構造を使って図７に示すような免震建築物を構築しても良い。この図７では、免震装置Ｓは建築物の１階に配置されているが、もちろんこれに限られるものではなく、地下や２階以上に配置するようにしても良い。   A base-isolated building as shown in FIG. 7 may be constructed using the structure shown in FIGS. In FIG. 7, the seismic isolation device S is arranged on the first floor of the building. However, the seismic isolation device S is not limited to this and may be arranged on the basement or on the second floor or more.

３ 鉄筋部材
Ａ１ コンクリート躯体
Ａ１１ 厚肉躯体部
Ａ１２ 薄肉躯体部
Ａ３ コンクリート躯体
Ａ３１ 厚肉躯体部
Ａ３２ 薄肉躯体部
ｙ 室内外方向 3 Reinforcing bar member A1 Concrete frame A11 Thick frame body A12 Thin wall frame A3 Concrete frame A31 Thick frame body A32 Thin wall frame y Indoor / outdoor direction

Claims (3)

ベランダと住戸と共用廊下とを備えた鉄筋コンクリート造建築物において、
室内外方向の厚みが異なる厚肉躯体部と薄肉躯体部とからなるコンクリート躯体、を備え、
該厚肉躯体部と該薄肉躯体部とは連続するように一体的に形成され、
かつ、前記厚肉躯体部から前記薄肉躯体部に掛けて少なくとも１本の鉄筋部材が埋設されてなり、
前記コンクリート躯体は、前記ベランダとは反対の側であって前記共用廊下と前記住戸との境に配置された梁であり、該コンクリート躯体の薄肉躯体部は略水平方向に延設されると共に前記共用廊下と前記住戸との境にある壁部分に配置され、かつ、
前記コンクリート躯体は、前記ベランダの側に配置された柱であり、該コンクリート躯体の薄肉躯体部は略鉛直方向に延設され、
前記ベランダの側には順梁が配置された、
ことを特徴とする鉄筋コンクリート造建築物。 In a reinforced concrete building with a veranda, a dwelling unit and a common corridor,
A thick concrete body and a thin concrete part having different thicknesses in the indoor and outdoor directions,
The thick-walled housing part and the thin-walled housing part are integrally formed so as to be continuous,
And Ri Na is embedded at least one reinforcing bar members from the thick skeleton portion hung on the thin skeleton portion,
The concrete frame is a beam disposed on the opposite side of the veranda and at the boundary between the shared corridor and the dwelling unit, and the thin-walled frame portion of the concrete frame extends in a substantially horizontal direction and Arranged on the wall part at the boundary between the common hallway and the dwelling unit, and
The concrete frame is a column arranged on the veranda side, and the thin-walled frame part of the concrete frame extends in a substantially vertical direction,
A forward beam is arranged on the veranda side,
A reinforced concrete structure characterized by that. 前記柱における前記薄肉躯体部には、室内外を貫通する貫通孔が穿設されてなる、
ことを特徴とする請求項１に記載の鉄筋コンクリート造建築物。 The thin-walled casing portion in the pillar is formed with a through-hole penetrating indoors and outdoors.
The reinforced concrete building according to claim 1. 前記ベランダとは反対の側に配置されたコンクリート躯体における厚肉躯体部は順梁を構成している、
ことを特徴とする請求項１又は２に記載の鉄筋コンクリート造建築物。 The thick-walled frame portion in the concrete frame arranged on the side opposite to the veranda constitutes a forward beam,
The reinforced concrete building according to claim 1 or 2, characterized by the above.
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