JP2000320057A - Flat slab using steel pipe concrete column and construction for the slab - Google Patents
Flat slab using steel pipe concrete column and construction for the slabInfo
- Publication number
- JP2000320057A JP2000320057A JP11127049A JP12704999A JP2000320057A JP 2000320057 A JP2000320057 A JP 2000320057A JP 11127049 A JP11127049 A JP 11127049A JP 12704999 A JP12704999 A JP 12704999A JP 2000320057 A JP2000320057 A JP 2000320057A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- column
- slab
- concrete
- capital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は鋼管コンクリート柱
を用いたフラットスラブおよびその構築方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat slab using a steel pipe concrete column and a method for constructing the flat slab.
【０００２】[0002]
【従来の技術】鋼管コンクリート柱を用いたフラットス
ラブは、図５に示すようなものがある。図中（１）はキ
ャピタル２０とスラブ２１との鉄筋２２、２３が鋼管２
４に貫通して配筋され、かつ鋼管２４周面の外周リング
２５がキャピタル２０の下面に埋設されたフラットスラ
ブ２６であり、（２）は鋼管２４周面のスタッドボルト
２７がキャピタル２０に埋設されたフラットスラブ２８
であり、（３）は鋼管２４周面の外周リング２５とリブ
プレート２９とがキャピタル２０に埋設されたフラット
スラブ３０である。2. Description of the Related Art There is a flat slab using a steel pipe concrete column as shown in FIG. In the figure, (1) indicates that the reinforcing steel 22, 22 between the capital 20 and the slab 21 is the steel pipe 2.
4 is a flat slab 26 in which an outer peripheral ring 25 on the peripheral surface of the steel pipe 24 is embedded in the lower surface of the capital 20, and (2) a stud bolt 27 on the peripheral surface of the steel pipe 24 is embedded in the capital 20. Flat slab 28
(3) is a flat slab 30 in which the outer peripheral ring 25 and the rib plate 29 on the peripheral surface of the steel pipe 24 are embedded in the capital 20.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記のような
フラットスラブは、鋼管の孔開け加工、スタッドボルト
の溶接施工、外周リングとリブプレートの溶接加工など
の作業が必要になるという問題があった。また（２）お
よび（３）のフラットスラブは、床荷重などの鉛直荷重
が柱内のコンクリート部分に伝達するには鉄骨を介する
必要があり、鋼管にスタッドを設けるなどの必要があっ
た。However, the above-mentioned flat slab has a problem that it requires operations such as drilling of a steel pipe, welding of a stud bolt, welding of an outer ring and a rib plate, and the like. Was. In the flat slabs of (2) and (3), a vertical load such as a floor load must be transmitted through a steel frame in order to be transmitted to a concrete portion in a column, and a stud must be provided in a steel pipe.
【０００４】本発明は、このような問題に鑑みてなされ
たものであり、その目的は、余分な作業を必要とせず、
床荷重などの鉛直荷重を直接柱に伝達できるフラットス
ラブおよびその構築方法を提供することである。[0004] The present invention has been made in view of such a problem, and its purpose is to eliminate the need for extra work.
An object of the present invention is to provide a flat slab capable of transmitting a vertical load such as a floor load directly to a column, and a method of constructing the flat slab.
【０００５】[0005]
【課題を解決するための手段】以上の課題を解決するた
めの手段は、請求項１の発明が、下階の鋼管コンクリー
ト柱の頂部にキャピタルが形成され、該キャピタルの上
面に上階の鋼管コンクリート柱と、スラブとが構築され
たことを特徴とする。According to a first aspect of the present invention, a capital is formed on the top of a concrete pillar on a lower floor, and a steel pipe on an upper floor is formed on an upper surface of the capital. A concrete column and a slab are constructed.
【０００６】請求項１の発明によれば、スラブや上階の
鋼管コンクリート柱からの鉛直荷重が直接下階の鋼管コ
ンクリート柱のコンクリート部分に伝達される。According to the first aspect of the present invention, the vertical load from the slab or the steel pipe concrete column on the upper floor is directly transmitted to the concrete portion of the steel pipe concrete column on the lower floor.
【０００７】また請求項２の発明が、請求項１におい
て、前記鋼管コンクリート柱内のコンクリートと、キャ
ピタルのコンクリートとは同強度であることを特徴とす
る。The invention of claim 2 is characterized in that, in claim 1, the concrete in the steel pipe concrete column and the concrete of the capital have the same strength.
【０００８】請求項２の発明によれば、キャピタルと下
階の鋼管コンクリート柱とが一体的に形成される。According to the second aspect of the present invention, the capital and the steel pipe concrete column on the lower floor are integrally formed.
【０００９】また請求項３の発明が、請求項１または２
において、前記キャピタルにおける鉄筋が下階の鋼管コ
ンクリート柱と、上階の鋼管コンクリート柱との間を貫
通して配筋されたことを特徴とする。The invention of claim 3 is the first or second invention.
Wherein the reinforcing bars in the capital are arranged so as to penetrate between the steel pipe concrete columns on the lower floor and the steel pipe concrete columns on the upper floor.
【００１０】請求項３の発明によれば、スラブやキャピ
タルから鋼管コンクリート柱へ力が円滑に伝達する。According to the third aspect of the present invention, the force is smoothly transmitted from the slab or the capital to the concrete column.
【００１１】また請求項４の発明が、下階の鋼管コンク
リート柱の鋼管内と、該鋼管の頂部に形成したキャピタ
ル用型枠とにコンクリートを打設して、キャピタルを備
えた下階の鋼管コンクリート柱を構築し、これらの下階
の鋼管コンクリート柱のキャピタル間に形成したスラブ
用型枠にコンクリートを打設するとともに、前記キャピ
タルの上に立設した上階の鋼管コンクリート柱の鋼管内
と、該鋼管の頂部に形成したキャピタル用型枠とにコン
クリートを打設することを特徴とする。According to a fourth aspect of the present invention, there is provided a steel pipe for a lower floor provided with a capital, wherein concrete is cast into a steel pipe of a steel pipe concrete column on a lower floor and a capital form formed on the top of the steel pipe. Concrete columns are constructed, concrete is poured into the slab form formed between the capitals of these lower steel pipe concrete columns, and the steel pipes of the upper steel pipe concrete columns that are erected on the capital. Concrete is cast into a capital form formed on the top of the steel pipe.
【００１２】請求項４の発明によれば、鋼管における溶
接加工がないので、鋼管コンクリート柱を用いたフラッ
トスラブが簡単に構築できるとともに、柱への力の伝達
が円滑に行えるフラットスラブが構築できる。According to the fourth aspect of the present invention, since there is no welding work on the steel pipe, a flat slab using a steel pipe concrete column can be easily constructed, and a flat slab capable of smoothly transmitting a force to the column can be constructed. .
【００１３】[0013]
【発明の実施の形態】以下、本発明の鋼管コンクリート
柱を用いたフラットスラブおよびその構築方法の実施の
形態を図面に基づいて説明する。はじめに鋼管コンクリ
ート柱を用いたフラットスラブ（以下、フラットスラブ
という）を説明し、その後にフラットスラブの構築方法
を説明する。図１は第１の実施の形態のフラットスラブ
の縦断面図、図２は図１のＡ−Ａ線断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a flat slab using a steel pipe concrete column and a construction method thereof according to the present invention will be described below with reference to the drawings. First, a flat slab using a steel pipe concrete column (hereinafter, referred to as a flat slab) will be described, and then a method of constructing the flat slab will be described. FIG. 1 is a longitudinal sectional view of the flat slab according to the first embodiment, and FIG. 2 is a sectional view taken along line AA of FIG.
【００１４】フラットスラブ１は鋼管コンクリート柱２
を用いて形成されたものであり、下階の鉄筋コンクリー
ト躯体から適宜間隔ごとに立設された下階の鋼管コンク
リート柱（以下、下階柱という）３の頂部にキャピタル
４が形成され、これらのキャピタル４間に形成されてい
る。The flat slab 1 is a steel pipe concrete column 2
The capital 4 is formed at the top of a steel pipe concrete column (hereinafter referred to as a lower floor column) 3 on the lower floor which is erected at appropriate intervals from the reinforced concrete skeleton on the lower floor. It is formed between the capitals 4.
【００１５】下階柱３の鋼管５内には頂部におけるキャ
ピタル４と同強度のコンクリート８が充填されている。
このコンクリート８の強度はスラブとは別に設定する。
またキャピタル４の上面にはスラブ９が形成されている
とともに、下階柱３と同じ構成の上階の鋼管コンクリー
ト柱（以下、上階柱という）１０が立設され、これらの
下階柱３と上階柱１０との間にはキャピタル４を貫通し
て、帯筋６で結束された柱主筋７が配筋されている。す
なわち、下階柱３と上階柱１０とはキャピタル４を挟ん
で一体的に接合され、該キャピタル４の鉄筋１１が下階
柱３と上階柱１０との応力伝達区間を貫通して配筋さ
れ、キャピタル４自体が下階柱３と上階柱１０との一部
になっている。したがって、上部躯体の荷重は上階柱１
０から下階柱３に直接伝達されるとともに、スラブ９の
荷重もキャピタル４から下階柱３に直接伝達されるよう
になっている。The steel pipe 5 of the lower story column 3 is filled with concrete 8 having the same strength as the capital 4 at the top.
The strength of the concrete 8 is set separately from the slab.
A slab 9 is formed on the upper surface of the capital 4, and a steel pipe concrete column (hereinafter referred to as “upper column”) 10 on the upper floor having the same configuration as the lower column 3 is erected. A column main bar 7, which penetrates the capital 4 and is bound by a band bar 6, is arranged between the upper column 10 and the upper floor column 10. That is, the lower story column 3 and the upper story column 10 are integrally joined with the capital 4 interposed therebetween, and the reinforcing bar 11 of the capital 4 is arranged so as to penetrate the stress transmission section between the lower story column 3 and the upper story column 10. The capital 4 itself is part of the lower pillar 3 and the upper pillar 10. Therefore, the load on the upper frame is
0 is directly transmitted to the lower column 3, and the load of the slab 9 is also transmitted directly from the capital 4 to the lower column 3.
【００１６】図３は床荷重などの鉛直荷重の流れを模式
的に表したものであり、図示するように、上階柱１０の
鋼管５からの力は柱主筋７を通じて下階柱３の鋼管５へ
伝達される。FIG. 3 schematically shows the flow of a vertical load such as a floor load. As shown in FIG. 3, the force from the steel pipe 5 of the upper floor column 10 is applied to the steel pipe of the lower floor column 3 through the column main reinforcement 7. 5 is transmitted.
【００１７】以下、フラットスラブの構築方法を図４に
基づいて説明する。はじめに、下階柱３の鋼管５を下階
の鉄筋コンクリート躯体から適宜間隔ごとに建て込む。
次に、これらの鋼管５頭部内に、キャピタル用の鉄筋１
１を先組した柱主筋７を挿入する。次に、鋼管５の頭部
にキャピタル用型枠１５を組立形成するとともに、該キ
ャピタル用型枠１５内と鋼管５内とにコンクリート８を
打設して、頂部にキャピタル４を備えた下階柱３を形成
する。Hereinafter, a method of constructing a flat slab will be described with reference to FIG. First, the steel pipes 5 of the lower columns 3 are erected at appropriate intervals from the reinforced concrete skeleton of the lower floor.
Next, in these 5 steel pipe heads, a reinforcing bar 1 for capital was used.
The column main bar 7, which has been pre-assembled, is inserted. Next, a capital form 15 is assembled and formed on the head of the steel pipe 5, and concrete 8 is poured into the capital form 15 and the steel pipe 5, so that the lower floor having the capital 4 at the top is provided. The pillar 3 is formed.
【００１８】このように頂部にキャピタル４を備えた下
階柱３を形成した後に、前記キャピタル４の上面に上階
柱１０の鋼管５を建て込む。次に、各下階柱３のキャピ
タル４間にスラブ用型枠１６を組立形成し、該スラブ用
型枠１６内にスラブ筋１７を配筋して下階柱３のコンク
リート８よりも低強度のコンクリート１８を打設してフ
ラットスラブ１を構築する。すなわち、キャピタル４
と、該キャピタル４とは異なる強度のコンクリート１８
のスラブ９とが一体となったフラットスラブ１が構築さ
れる。そして、前記キャピタル４上面の鋼管５頭部内に
柱主筋７を挿入して前記と同じ方法で上階のフラットス
ラブ（図示せず）を構築すると、下階柱３と上階柱１０
とがキャピタル４によって一体となった構築物が完成す
る。After forming the lower column 3 having the capital 4 on the top in this way, the steel pipe 5 of the upper column 10 is erected on the upper surface of the capital 4. Next, the slab formwork 16 is assembled and formed between the capitals 4 of each lower story column 3, and the slab streaks 17 are arranged in the slab formwork 16 to have a lower strength than the concrete 8 of the lower story column 3. And the flat slab 1 is constructed. That is, Capital 4
And concrete 18 having a strength different from that of the capital 4
The flat slab 1 integrated with the slab 9 is constructed. When the pillar main reinforcement 7 is inserted into the head of the steel pipe 5 on the upper surface of the capital 4 and a flat slab (not shown) of the upper floor is constructed in the same manner as above, the lower floor pillar 3 and the upper floor pillar 10 are formed.
Is completed by Capital 4 to complete the structure.
【００１９】[0019]
【発明の効果】スラブや上階の鋼管コンクリート柱から
の鉛直荷重が直接下階の鋼管コンクリート柱に伝達され
る。The vertical load from the slab or the concrete column on the upper floor is directly transmitted to the concrete column on the lower floor.
【００２０】キャピタルと下階の鋼管コンクリート柱と
が一体的に形成される。The capital and the steel pipe concrete column on the lower floor are integrally formed.
【００２１】スラブやキャピタルから鋼管コンクリート
柱へ力が円滑に伝達される。The force is smoothly transmitted from the slab or the capital to the concrete column.
【００２２】鋼管における溶接加工などの余分な作業が
ないので、鋼管コンクリート柱を用いたフラットスラブ
が簡単に構築できるとともに、柱へ力の伝達が円滑に行
えるフラットスラブが構築できる。Since there is no extra work such as welding work on the steel pipe, a flat slab using a steel pipe concrete column can be easily constructed, and a flat slab capable of smoothly transmitting a force to the column can be constructed.
【００２３】鋼管およびキャピタルのコンクリートと、
スラブのコンクリートとは別強度のコンクリートを使用
できるので、設計の自由度を上げることができる。Steel pipe and capital concrete;
Since it is possible to use concrete having a strength different from that of the slab concrete, the degree of freedom in design can be increased.
【図１】第１の実施の形態のフラットスラブの縦断面図
である。FIG. 1 is a longitudinal sectional view of a flat slab according to a first embodiment.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】鉛直荷重の流れを表した模式図である。FIG. 3 is a schematic diagram showing a flow of a vertical load.
【図４】（１９および（２）はフラットスラブの構築方
法を示す断面図である。FIGS. 4A and 4B are cross-sectional views illustrating a method of constructing a flat slab.
【図５】（１）〜（３）は従来のフラットスラブの縦断
面図である。FIG. 5 is a longitudinal sectional view of a conventional flat slab.
１、１２、２６、２８、３０ フラットスラブ ２ 鋼管コンクリート柱 ３ 下階柱 ４、２０ キャピタル ５、２４ 鋼管 ６ 帯筋 ７ 柱主筋 ８、１８ コンクリート ９、２１ スラブ １０ 上階柱 １１、２２、２３ 鉄筋 １３ 接合用台座 １５ キャピタル用型枠 １６ スラブ用型枠 １７ スラブ筋 ２５ 外周リング ２７ スタッドボルト ２９ リブプレート 1, 12, 26, 28, 30 Flat slab 2 Steel pipe concrete column 3 Lower floor column 4, 20 Capital 5, 24 Steel pipe 6 Strip bar 7 Pillar main bar 8, 18 Concrete 9, 21 Slab 10 Upper floor column 11, 22, 23 Reinforcing bar 13 Joint pedestal 15 Capital formwork 16 Slab formwork 17 Slab reinforcement 25 Outer ring 27 Stud bolt 29 Rib plate
フロントページの続き (72)発明者 鳥谷 利夫 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 石川 勝美 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 渡辺 秀仁 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 荒井 豊人 東京都中央区京橋１−７−１ 戸田建設株 式会社内Continued on the front page (72) Inventor Toshio Toriya 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Katsumi Ishikawa 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Hidehito Watanabe 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Toyoto Arai 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd.
Claims (4)
ピタルが形成され、該キャピタルの上面に上階の鋼管コ
ンクリート柱と、スラブとが構築されたことを特徴とす
る鋼管コンクリート柱を用いたフラットスラブ。1. A flat structure using a steel pipe concrete column, wherein a capital is formed on the top of a steel pipe concrete column on the lower floor, and a steel pipe concrete column on the upper floor and a slab are constructed on the upper surface of the capital. Slab.
トと、キャピタルのコンクリートとは同強度であること
を特徴とする請求項１に記載の鋼管コンクリート柱を用
いたフラットスラブ。2. The flat slab according to claim 1, wherein the concrete in the steel pipe concrete column and the concrete of the capital have the same strength.
管コンクリート柱と、上階の鋼管コンクリート柱との間
を貫通して配筋されたことを特徴とする請求項１または
２に記載の鋼管コンクリート柱を用いたフラットスラ
ブ。3. The steel pipe concrete according to claim 1, wherein the reinforcing steel in the capital is arranged so as to penetrate between the steel pipe concrete column on the lower floor and the steel pipe concrete column on the upper floor. Flat slab using pillars.
該鋼管の頂部に形成したキャピタル用型枠とにコンクリ
ートを打設して、キャピタルを備えた下階の鋼管コンク
リート柱を構築し、これらの下階の鋼管コンクリート柱
のキャピタル間に形成したスラブ用型枠にコンクリート
を打設するとともに、前記キャピタルの上に立設した上
階の鋼管コンクリート柱の鋼管内と、該鋼管の頂部に形
成したキャピタル用型枠とにコンクリートを打設するこ
とを特徴とする鋼管コンクリート柱を用いたフラットス
ラブの構築方法。4. Inside a steel pipe of a steel pipe concrete column on the lower floor,
Concrete is poured into a capital formwork formed on the top of the steel pipe to form a concrete steel pipe on the lower floor provided with the capital, and a slab formed between the capitals of the concrete steel pipes on the lower floor is formed. Concrete is poured into a formwork, and concrete is poured into a steel pipe of a steel pipe concrete column on an upper floor erected above the capital and a capital formwork formed on the top of the steel pipe. Construction method of flat slab using steel pipe concrete column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12704999A JP3802996B2 (en) | 1999-05-07 | 1999-05-07 | Construction method of flat slabs using steel pipe concrete columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12704999A JP3802996B2 (en) | 1999-05-07 | 1999-05-07 | Construction method of flat slabs using steel pipe concrete columns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000320057A true JP2000320057A (en) | 2000-11-21 |
| JP3802996B2 JP3802996B2 (en) | 2006-08-02 |
Family
ID=14950349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12704999A Expired - Fee Related JP3802996B2 (en) | 1999-05-07 | 1999-05-07 | Construction method of flat slabs using steel pipe concrete columns |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3802996B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10324291A1 (en) * | 2003-05-21 | 2004-12-16 | Weiske, Rainer, Dipl.-Ing. | Reinforcement component for roof slabs to enhance their load bearing capacity comprises vertical steel rods arranged parallel to each other at equal distances by clamps, whereby longitudinal axes of rods lie in direction of load |
| JP2013256788A (en) * | 2012-06-12 | 2013-12-26 | Toa Harbor Works Co Ltd | Structure body and lining method using fiber-reinforced cementitious composite with multiple fine cracks |
| KR20160075984A (en) * | 2014-12-19 | 2016-06-30 | 주식회사 포스코 | Joint structure between column and horizontal member |
| CN106193406A (en) * | 2016-08-07 | 2016-12-07 | 中铁十九局集团第二工程有限公司 | Pre-tensioning system cored slab Drawing-Core square steel internal mold construction method |
| AT520519B1 (en) * | 2018-06-06 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| AT520529A4 (en) * | 2017-12-22 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| JP2020059983A (en) * | 2018-10-05 | 2020-04-16 | 株式会社竹中工務店 | Base floor structure and construction method of base floor |
-
1999
- 1999-05-07 JP JP12704999A patent/JP3802996B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10324291A1 (en) * | 2003-05-21 | 2004-12-16 | Weiske, Rainer, Dipl.-Ing. | Reinforcement component for roof slabs to enhance their load bearing capacity comprises vertical steel rods arranged parallel to each other at equal distances by clamps, whereby longitudinal axes of rods lie in direction of load |
| JP2013256788A (en) * | 2012-06-12 | 2013-12-26 | Toa Harbor Works Co Ltd | Structure body and lining method using fiber-reinforced cementitious composite with multiple fine cracks |
| KR20160075984A (en) * | 2014-12-19 | 2016-06-30 | 주식회사 포스코 | Joint structure between column and horizontal member |
| KR101665792B1 (en) * | 2014-12-19 | 2016-10-13 | 주식회사 포스코 | Joint structure between column and horizontal member |
| CN106193406A (en) * | 2016-08-07 | 2016-12-07 | 中铁十九局集团第二工程有限公司 | Pre-tensioning system cored slab Drawing-Core square steel internal mold construction method |
| AT520529A4 (en) * | 2017-12-22 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| AT520529B1 (en) * | 2017-12-22 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| AT520519B1 (en) * | 2018-06-06 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| AT520519A4 (en) * | 2018-06-06 | 2019-05-15 | Univ Wien Tech | Support ceiling node for a reinforced concrete floor and two concrete columns in the storey |
| JP2020059983A (en) * | 2018-10-05 | 2020-04-16 | 株式会社竹中工務店 | Base floor structure and construction method of base floor |
| JP7230313B2 (en) | 2018-10-05 | 2023-03-01 | 株式会社竹中工務店 | Basement structure and construction method of basement |
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|---|---|
| JP3802996B2 (en) | 2006-08-02 |
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