JPS60164542A - Steel pipe concrete member - Google Patents
Steel pipe concrete memberInfo
- Publication number
- JPS60164542A JPS60164542A JP1959784A JP1959784A JPS60164542A JP S60164542 A JPS60164542 A JP S60164542A JP 1959784 A JP1959784 A JP 1959784A JP 1959784 A JP1959784 A JP 1959784A JP S60164542 A JPS60164542 A JP S60164542A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- steel pipe
- concrete
- concrete member
- present
- 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.)
- Pending
Links
Landscapes
- Rod-Shaped Construction Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（イ）技術分野
本発明は、鉄骨構造の構造物等の構造部材として用いる
鋼管コンクリート部材に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Technical Field The present invention relates to a steel pipe concrete member used as a structural member of a steel frame structure or the like.
（ロ）従来技術 （ニ）
従来、鉄骨構造の構造部材として用いられる鋼管の強度
を向上されるために、鋼管内にコンクリートを充填した
鋼管コンクリート部材が知られている。(b) Prior art (d) Conventionally, steel pipe concrete members have been known in which steel pipes are filled with concrete in order to improve the strength of steel pipes used as structural members of steel structures.
しかし、コンクリートは、耐圧縮力において優れている
が、引張力に対しては弱いので、引張荷重が加わる部分
に鋼管コンクリート部材を使用しても、単なる鋼管に比
べて強度的な向上は得られないという欠点があった。However, although concrete has excellent compressive strength, it is weak against tensile force, so even if steel pipe concrete members are used in areas where tensile loads are applied, no improvement in strength can be obtained compared to simple steel pipes. There was a drawback that there was no
目的及び構成
本発明はこのような欠点を解消し、耐圧縮力のみならず
、耐引張力においても優れた強度を有する鋼管コンクリ
ート部材を提供することを目的とするものでその特徴は
、鋼管内にコンクリートを充填するとともに、該コンク
リート内にその全長にわたってＰＣ鋼の長尺物を埋設し
たことにある。Purpose and Structure The present invention aims to eliminate such drawbacks and provide a steel pipe concrete member having excellent strength not only in compressive strength but also in tensile strength. was filled with concrete, and a long piece of prestressed steel was buried within the concrete along its entire length.
実施例 本発明の第１の実施例を、第１図に従って説明する。Example A first embodiment of the present invention will be described with reference to FIG.
（１）は鋼管を示し、該鋼管（１）内にコンクリート（
２）を充填するとともに。(1) indicates a steel pipe, and inside the steel pipe (1) there is concrete (
2) along with filling.
その内部に全長にわたって高張力を有する１本のＰＣ鋼
棒（３）を埋設した。（４）（４）は前記鋼管（１）の
両端部に設置した鋼板製の円板を示し、該円板（４）
（４）は鋼管（１）の内径より大きな直径を有し、その
中心部分に穿設した孔
（４ａ） （４ａ）に前記ＰＣ鋼棒（３）を挿通し、該
ＰＣ鋼棒（３）に引張力Ｔを加えて、ＰＣ鋼棒（３）が
一定の引張応力を保持した状態で前記各円板（４）（４
）に固定具（５）（５）を介して固定した。この結果、
鋼管（１）及びコンクリート
（２）は、円板（４）（４）を介して、常時ＰＣ鋼棒（
３）が縮もうとする力Ｔを圧縮力として受けるので、外
力として引張力Ｆが作用した場合、鋼管（１）及びコン
クリート（２）には、Ｔ−Ｆの引張力しか作用しない。A single PC steel rod (3) having high tensile strength was buried inside it over its entire length. (4) (4) indicates a steel disc installed at both ends of the steel pipe (1), and the disc (4) (4) has a diameter larger than the inner diameter of the steel pipe (1). The PC steel rod (3) is inserted into the hole (4a) drilled in the center (4a), and a tensile force T is applied to the PC steel rod (3), so that the PC steel rod (3) is under a constant tension. Each of the disks (4) (4) while maintaining the stress
) through fixtures (5) (5). As a result,
The steel pipe (1) and concrete (2) are constantly connected to the PC steel rod (
3) receives the force T that tends to shrink as a compressive force, so when a tensile force F acts as an external force, only the tensile force T-F acts on the steel pipe (1) and the concrete (2).
第２図は本発明の第２の実施例を示す。FIG. 2 shows a second embodiment of the invention.
（１１）は鋼管を示し、該鋼管（１１）内にはコンクリ
ート（１２）を充填するとともに、その内部に全長にわ
たって１本のＰＣ鋼棒（１３）を埋設した。（ｌｌａ）
（ｌｌａ）・・・は鋼管内に突設した複数の突起を示し
、該突起（１１ａ） ＝・（１１ａ）は前記鋼管（１１
）とコンクリート
（１２）との結合力を強め両者間にスラストが生ずるの
を防止する。(11) indicates a steel pipe, and the steel pipe (11) was filled with concrete (12), and one PC steel rod (13) was buried therein over its entire length. (lla)
(lla)... indicates a plurality of protrusions protruding into the steel pipe, and the protrusions (11a) =...(11a) represent the steel pipe (11a).
) and the concrete (12) to prevent thrust from occurring between them.
（１４）（１４）は前記鋼管（１１）の両端部に設置し
た鋼板製の円板を示し、該円板（１４）（１４）は、鋼
管（１１）の内径より僅かに小さな直径を有し、その中
心部分に穿設した孔（１４ａ）（１４ａ）に前記ＰＣ鋼
棒（１３）を挿通し、上記第１の実施例同様に、該ＰＣ
鋼棒（１３）に一定の引張応力を保持させた状態で前記
各円板（１４）（１４）に固定具（１５）（１５）を介
して固定した。この結果、本実施例においても上記第１
の実施例の場合と同様の機能を有するとともに、さらに
鋼管（１１）とコンクリート（１２）との間でスラスト
を生ずることがないという特徴がある。(14) (14) indicates a steel disc installed at both ends of the steel pipe (11), and the disc (14) (14) has a diameter slightly smaller than the inner diameter of the steel pipe (11). Then, the PC steel rod (13) is inserted into the hole (14a) (14a) drilled in the center of the PC steel rod (13), and the PC steel rod (13) is
The steel rod (13) was fixed to each of the disks (14) (14) via fixtures (15) (15) while maintaining a constant tensile stress. As a result, in this example as well, the first
This embodiment has the same function as the embodiment described above, and is further characterized in that thrust does not occur between the steel pipe (11) and the concrete (12).
尚、上記各実施例においては、ＰＣ鋼棒（３）（１３）
は１個としたが、２１１以上設けてもよく、ＰＣ鋼の長
尺物として上記実施例のＰＣ鋼棒以外にＰＣ鋼棒又はＰ
Ｃ鋼より線等いずれであってもよい。In addition, in each of the above examples, PC steel bars (3) (13)
Although 211 or more pieces may be provided, in addition to the PC steel rod of the above example, a PC steel rod or P
It may be made of C steel stranded wire or the like.
次に本発明の鋼管コンクリート部材を構造物に用いた例
を第３図乃至第９図に従って説明する。Next, an example in which the steel pipe concrete member of the present invention is used in a structure will be described with reference to FIGS. 3 to 9.
第３図乃至第５図は、本発明の鋼管コンクリート部材を
体育館の天井部分のラチス梁の如き鉄骨構造部材として
利用した場合の一例を示す。FIGS. 3 to 5 show an example in which the steel pipe concrete member of the present invention is used as a steel structural member such as a lattice beam for the ceiling of a gymnasium.
（３４）（３４）は柱を示し、これら柱（３４） （３
４）により梁鉄骨（３５）の両端を支持し、該梁鉄骨（
３５）の下部には補強側鉄骨（３６）・・・（３６）を
介して、本発明の鉄骨コンクリート部材
（＊ ｎ ）ｔｙ −１１Ｆｉ ｖ把１１ｈ魯ｒ３５）
）平Ｆ １．ｊ固設した。（３１）は鋼管、（３２）は
その中に充填したコンクリート、（３３）はその中に埋
設したＰＣ鋼棒を示す。(34) (34) indicates pillars, and these pillars (34) (3
4) to support both ends of the beam steel frame (35), and
35), the steel-framed concrete member (* n )ty-11Fi v 11h Lu r35) of the present invention is attached to the lower part of the steel frame (35) through the reinforcing steel frame (36)...(36).
) Flat F 1. jFixed. (31) shows the steel pipe, (32) shows the concrete filled therein, and (33) shows the PC steel rod buried therein.
以−にの如く、本発明の鋼管コンクリート部材を鉄骨構
造部材として利用した場合、本発明の鋼管コンクリート
部材は耐圧縮力だけでなく、耐引張力においても極めて
優れているので、鉄骨構造の強度が大巾に向上する効果
がある。尚、鋼管コンクリート部材としては前記ｗ４１
第２実施例のいずれのものを使用しもよい。As described above, when the steel pipe concrete member of the present invention is used as a steel frame structure member, the steel pipe concrete member of the present invention is extremely excellent not only in compressive strength but also in tensile strength, so that the strength of the steel structure is improved. This has the effect of significantly improving In addition, the above-mentioned w41 is used as a steel pipe concrete member.
Any of the second embodiments may be used.
第６図乃至第８図は本発明の鋼管コンクリート部材を高
層住宅等のコンクリート床スラブを支持する合成梁とし
て利用した場合の一例を示す。FIGS. 6 to 8 show an example in which the steel pipe concrete member of the present invention is used as a composite beam for supporting a concrete floor slab of a high-rise residential building or the like.
（４４）（４４）は柱を示し、これら柱（４４） （４
４）にコンクリート床スラブ（４５）の端部を固定し、
該コンクリート床スラブ（４５）の下部にはＴ形のウェ
ブ鉄骨（４６）を介して本発明の鋼管コンクリート部材
（４０）をコンクリート床スラブ（４５）と平行に固設
するとともに、ウェブ鉄骨（４６）の両側端部を、前
記柱（４４）（４４）に固設した支持 鉄骨（４７）
（４７）に、継手ｔ４８）（４８）を介して支持した。(44) (44) indicates pillars, these pillars (44) (4
4) fix the end of the concrete floor slab (45),
At the bottom of the concrete floor slab (45), the steel pipe concrete member (40) of the present invention is fixed in parallel to the concrete floor slab (45) via a T-shaped web steel frame (46). ) with both ends fixed to the pillars (44) (44) Supporting steel frame (47)
(47) was supported via a joint t48) (48).
（４９）
・・・（４９）は前記コンクリート床スラブ（４５）に
ウェブ鉄骨（４６）を固設するスタットボルト、（４１
）（４２）
（４３）は前記鋼管コンクリート部材
（４０）を構成する鋼管（４１）、コンクリート（４２
）及びＰＣ鋼棒（４３）を示（ホ）す。(49) ...(49) is a stud bolt for fixing the web steel frame (46) to the concrete floor slab (45), (41)
) (42) (43) are steel pipes (41) and concrete (42) constituting the steel pipe concrete member (40).
) and PC steel rod (43) are shown (e).
以りの如く、本発明の鋼管コンクリート部材をコンクリ
ート床スラブの合成梁として利用した場合、本発明の鋼
管コンクリート部材は耐引張力において極めて優れてい
るので鋼管コンクリートに大きな引張力を生じさせるよ
うな大きな荷重を床に負荷することが可能となり、床の
強度が大巾に向上する効果がある６尚、鋼管コンクリー
ト部材としては前記第１第２実施例のいずれのものを使
用してもよい。As described above, when the steel pipe concrete member of the present invention is used as a composite beam for a concrete floor slab, since the steel pipe concrete member of the present invention has extremely excellent tensile strength, it cannot be used as a composite beam for a concrete floor slab. It becomes possible to apply a large load to the floor, and the strength of the floor is greatly improved.6 Note that any of the steel pipe concrete members in the first and second embodiments may be used.
第９図は本発明の鋼管コンクリート部材を鋼管鉄塔に利
用した場合の一例を示す。FIG. 9 shows an example in which the steel pipe concrete member of the present invention is used in a steel pipe tower.
（５０）は本発明による鋼管コンクリート部材を示し、
これを鉄塔の下部に用いるとともに、ＰＣ鋼棒（５３）
の一端を鉄塔の基礎部（５４）に固設するのが強度上有
効であり、前記第２の実施例により実施するのが適して
いる。(50) shows a steel pipe concrete member according to the present invention,
This is used at the bottom of the steel tower, and the PC steel rod (53)
It is effective in terms of strength to fix one end of the steel tower to the base (54) of the steel tower, and it is suitable to implement it according to the second embodiment.
効果
このように本発明によれば、鋼管コンクリート部材の全
長にわたって引張応力を保持したＰＣ長尺物をコンクリ
ート中に埋設して、該コンクリートに圧縮力を保持させ
たので、外力として引張力が作用した場合であっても鋼
管及びコンクリートに加わる引張力は小さく、耐引張力
においても優れた強度を保有する効果を有し、鉄骨構造
の構造物等の構造部材として利用価値が極めて高いもの
である。Effect As described above, according to the present invention, a long PC object that maintains tensile stress over the entire length of a steel pipe concrete member is buried in concrete to maintain compressive force in the concrete, so that tensile force acts as an external force. Even in such cases, the tensile force applied to steel pipes and concrete is small, and it has the effect of maintaining excellent tensile strength, making it extremely valuable as a structural member for steel frame structures. .
第１図は本発明第１の実施例の鋼管コンクリート部材の
断面図、第２図は第２の実施例の断面図、第３図は本発
明の鋼管コンクリート部材を鉄骨構造部材に利用した場
合の正面図、第４図はその部分拡大図、第５図はそのＶ
−Ｖ線面断面図、第６図は本発明の鋼管コンクリート部
材を合成梁に利用した場合の正面図、第７図はその一部
を切除した拡大正面図、第８図はその■−■線截線面断
面図９図は本発明の鋼管コンクリート部材を鋼管鉄塔に
利用した場合の正面図を示す。
（１）（１１）（３１）（４１）・・・鋼管（２）（１
２）（３２）（４２）
・・・コンクリート
（３） （１３） （３３） （４３） （５３）・・
・ｐｃ鋼棒Fig. 1 is a sectional view of a steel pipe concrete member according to the first embodiment of the present invention, Fig. 2 is a sectional view of the second embodiment, and Fig. 3 is a case in which the steel pipe concrete member of the present invention is used as a steel structure member. 4 is a partially enlarged view, and 5 is a front view of the V.
- V line sectional view, Figure 6 is a front view when the steel pipe concrete member of the present invention is used as a composite beam, Figure 7 is an enlarged front view with a part thereof cut away, and Figure 8 is its ■-■ FIG. 9, which is a cross-sectional view taken along a straight line, is a front view of the steel pipe concrete member of the present invention used in a steel pipe tower. (1) (11) (31) (41)...Steel pipe (2) (1
2) (32) (42) ・・・Concrete (3) (13) (33) (43) (53)...
・PC steel rod
Claims (1)
ンクリート内にその全長にわたってＰＣ鋼の長尺物を埋
設したことを特徴とする鋼管コンクトート部材。A steel pipe concrete member characterized in that a steel pipe is filled with concrete ('') and a long piece of PC steel is buried within the concrete over its entire length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1959784A JPS60164542A (en) | 1984-02-06 | 1984-02-06 | Steel pipe concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1959784A JPS60164542A (en) | 1984-02-06 | 1984-02-06 | Steel pipe concrete member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60164542A true JPS60164542A (en) | 1985-08-27 |
Family
ID=12003637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1959784A Pending JPS60164542A (en) | 1984-02-06 | 1984-02-06 | Steel pipe concrete member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60164542A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6340044A (en) * | 1986-08-06 | 1988-02-20 | 清水建設株式会社 | Structure of pillar body composed of unbond filled steel pipe |
| JPH01290856A (en) * | 1988-05-19 | 1989-11-22 | Kajima Corp | Steel pipe concrete |
| JPH02304160A (en) * | 1989-05-16 | 1990-12-17 | Konoike Constr Ltd | Prestress induced steel built-up beam |
| JPH04115046A (en) * | 1990-09-03 | 1992-04-15 | Ohbayashi Corp | Steel pipe truss structure |
| KR100379152B1 (en) * | 2000-07-20 | 2003-04-08 | 장석윤 | Method for Making Prestressed Composite Beam Using Concrete-filled Steel Tube, Prestressed Composite Beam Using the Method |
-
1984
- 1984-02-06 JP JP1959784A patent/JPS60164542A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6340044A (en) * | 1986-08-06 | 1988-02-20 | 清水建設株式会社 | Structure of pillar body composed of unbond filled steel pipe |
| JPH01290856A (en) * | 1988-05-19 | 1989-11-22 | Kajima Corp | Steel pipe concrete |
| JPH02304160A (en) * | 1989-05-16 | 1990-12-17 | Konoike Constr Ltd | Prestress induced steel built-up beam |
| JPH04115046A (en) * | 1990-09-03 | 1992-04-15 | Ohbayashi Corp | Steel pipe truss structure |
| KR100379152B1 (en) * | 2000-07-20 | 2003-04-08 | 장석윤 | Method for Making Prestressed Composite Beam Using Concrete-filled Steel Tube, Prestressed Composite Beam Using the Method |
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