JPH0725113U - Thin wall centrifugal forming prism - Google Patents

Thin wall centrifugal forming prism

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Publication number
JPH0725113U
JPH0725113U JP6029393U JP6029393U JPH0725113U JP H0725113 U JPH0725113 U JP H0725113U JP 6029393 U JP6029393 U JP 6029393U JP 6029393 U JP6029393 U JP 6029393U JP H0725113 U JPH0725113 U JP H0725113U
Authority
JP
Japan
Prior art keywords
hollow
column
plate
precast
plate portion
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
Application number
JP6029393U
Other languages
Japanese (ja)
Inventor
野 靖 夫 神
口 昇 坂
野 辺 宏 治 山
内 武 河
谷 仁 志 熊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shimizu Corp
Original Assignee
Shimizu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimizu Corp filed Critical Shimizu Corp
Priority to JP6029393U priority Critical patent/JPH0725113U/en
Publication of JPH0725113U publication Critical patent/JPH0725113U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】 【目的】 角型中空プレキャスト柱の中空部にコンクリ
ート打設した場合のコンクリートの圧力による外周板部
のふくらみを防止する。 【構成】 板状の各辺をむすぶ隅角部に埋設された主筋
同志をむすぶ長手方向のトラス筋,または内フープ筋を
中空プレキャスト柱内側に設ける。
(57) [Summary] [Purpose] To prevent bulging of the outer peripheral plate part due to the pressure of concrete when concrete is placed in the hollow part of a square hollow precast column. [Structure] A truss muscle in the longitudinal direction that lays the main muscles embedded in the corners that lay down each side of the plate, or an inner hoop muscle is provided inside the hollow precast column.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は遠心成形の中空プレキャスト柱に関するものである。 The present invention relates to a centrifugally molded hollow precast column.

【0002】[0002]

【従来の技術】[Prior art]

従来、現場での配筋・型枠工事の省力化のために、各種部材にプレキャスト部 材が用いられていた。その際、プレキャスト部材は揚重機との関係で重量をおさ えるために、遠心成形等により中空の部材とし、型枠を兼用させて、内部のコン クリートのみを現場打設していた。 図6はプレキャスト部材を建築用の柱に適用したもので、1は中空プレキャス ト柱,1aは隅角部の柱主筋,1bは板部の柱主筋である柱中段筋,1cは隅角 部,1dは板部である。 中空プレキャスト柱1は所定の位置に立設された後、内部コンクリート2が中 空部に打設される。 Conventionally, precast parts have been used for various parts to save labor in on-site bar arrangement and formwork work. At that time, in order to reduce the weight of the precast member in relation to the lifting machine, it was made into a hollow member by centrifugal molding, etc., and it was also used as a formwork, and only the concrete inside was cast on site. Figure 6 shows the precast member applied to a building column. 1 is a hollow precast column, 1a is the column main bar of the corner, 1b is the column middle bar which is the column main bar of the plate, and 1c is the corner. , 1d are plate portions. The hollow precast pillar 1 is erected at a predetermined position, and then the internal concrete 2 is poured into the hollow portion.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

しかるに、中空プレキャスト柱1は板部材断面が大きくなると薄肉のものにし たいが、柱などでは内部コンクリート2打設時のコンクリートの圧力が矢印のよ うに板部1dにかかり、その力が大きいため薄肉プレキャスト板では破線のよう に外側にふくらんでしまう。 はらみを防ぐためには図6に示すように桟木4…4などを細かいピッチで配置 してパイプ等のバタ材3で外側から締め付ける必要があり、手間と時間がかかる ものであった。 図において、桟木4…4及びバタ材3の配置は片側のみを図示し、図における 上側,下側右側は省略されている。 本考案は上述した事情に鑑みてなされたものである。 However, it is desirable to make the hollow precast pillar 1 thin when the plate member cross section becomes large, but for pillars, etc., the pressure of concrete when the internal concrete 2 is cast is applied to the plate portion 1d as shown by the arrow, and the force is large, so it is thin. The precast board will bulge outward as shown by the broken line. In order to prevent the entrapment, it is necessary to arrange the piers 4 ... 4 at a fine pitch and tighten them from the outside with the flap material 3 such as a pipe as shown in FIG. 6, which is time-consuming and time-consuming. In the figure, the arrangement of the piers 4 ... 4 and the flap material 3 is shown only on one side, and the upper and lower right sides in the figure are omitted. The present invention has been made in view of the above circumstances.

【0004】[0004]

【課題を解決するための手段】 本考案は、断面が角型で、各辺を形成する板部とこれを結ぶ隅角部で形成され た中空プレキャスト柱において、前記隅角部に配筋された主筋と隣接する板部の それぞれに配筋された主筋とを長手方向相互につなぐトラス筋を設けたことを特 徴とし、Means for Solving the Problems The present invention provides a hollow precast column having a rectangular cross section and a plate portion forming each side and a corner portion connecting the plate portions, and a bar is arranged at the corner portion. The main feature is that the truss reinforcements that connect the main reinforcements and the main reinforcements arranged on each of the adjacent plate portions to each other in the longitudinal direction are provided.

【0005】 板部に配筋された主筋である柱中段筋を囲んで一部が埋設され、かつ、中空部 に出現する内フープ筋を設けたことを特徴とする。It is characterized in that an inner hoop muscle appearing in a hollow portion is provided so as to surround a middle columnar columnar muscle which is a main muscle arranged in a plate portion and which is partially embedded.

【0006】[0006]

【作用】[Action]

トラス筋または内フープ筋が隣接した板部を相互に連結するので、板部に外方 に向う外力が働くと、トラス筋または内フープ筋に引張応力が生じ板部に加わる 前記外力に抵抗する。 Since the truss muscles or the inner hoop muscles connect the adjacent plate parts to each other, when an external force outwardly acts on the plate parts, a tensile stress is generated in the truss muscles or the inner hoop muscles to resist the external force applied to the plate parts. .

【0007】[0007]

【実施例】【Example】

以下に添付図に基づいて本考案の実施例を詳細に説明する。 図1は、本考案の請求項1の一実施例を示し、補強にトラス筋を用いた中空プ レキャスト柱の横断面図、図2はトラス筋の斜視図である。 図1において、中空プレキャスト柱1には従来と同様に四隅の隅角部1cには それぞれ柱主筋1aが、板部1dには柱主筋1b,1bがそれぞれ配筋されて遠 心成形されている。 そして、隣接する板部1d,1dに配筋された柱主筋1b,1bと、中空プレ キャスト柱の中空部7に配設された鉄筋5との間にそれぞれトラス筋6a,6b を配設する(図2)。鉄筋5は柱主筋1b,1bとほぼ平行に配設され、トラス 筋6aは柱主筋1b及び鉄筋5と溶接等で固着されている。 施工する場合は、工場等で図1の状態に遠心成形して鉄筋5とトラス筋6a, 6bを配設し、現場へ運搬し、所定の位置に立設した後、中空部7にコンクリー トを打設する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 shows an embodiment of claim 1 of the present invention, and is a cross-sectional view of a hollow precast column using truss reinforcement for reinforcement, and FIG. 2 is a perspective view of the truss reinforcement. In FIG. 1, in the hollow precast pillar 1, column main bars 1a are respectively arranged in the corners 1c of the four corners, and column main bars 1b, 1b are arranged in the plate portion 1d, respectively, in the same manner as in the conventional case. . Then, truss reinforcements 6a and 6b are respectively arranged between the column main reinforcements 1b and 1b arranged in the adjacent plate portions 1d and 1d and the reinforcing bar 5 arranged in the hollow portion 7 of the hollow precast column. (Figure 2). The reinforcing bars 5 are arranged substantially parallel to the column main bars 1b and 1b, and the truss bars 6a are fixed to the column main bars 1b and the reinforcing bars 5 by welding or the like. In the case of construction, the reinforcing bars 5 and truss bars 6a and 6b are centrifugally molded in a state such as shown in FIG. 1 in a factory, transported to the site, and erected at a predetermined position, and then concrete is inserted in the hollow portion 7. To place.

【0008】 図3は請求項1の他の実施例で、中空部7に鉄筋5を配設せず、柱主筋1bと 1b間の長手方向にトラス筋8を四隅に配設したものである。FIG. 3 shows another embodiment of claim 1, in which the reinforcing bar 5 is not arranged in the hollow portion 7 and truss bars 8 are arranged at four corners in the longitudinal direction between the column main bars 1b and 1b. .

【0009】 図4は本考案の請求項2の一実施例、図5は本考案の請求項2の他の実施例で ある。 図4は板部1dに柱主筋1bがそれぞれ2本宛配筋され、隅角部の柱主筋1a に近い柱主筋1bと柱主筋1bとの間では中空部7を通り、板部1d内では板部 1dに埋設された柱主筋1b,1bの外側を通り8角形に内ループ筋9が配筋さ れるものである。内ループ筋9は長手方向に所定ピッチで複数配筋されるもので あるが、螺旋状に配筋してもよい。 図4において、破線で示す9aはプレキャスト柱1の柱主筋1a,1b外周に 配筋された従来の外ループ筋である。FIG. 4 shows an embodiment of claim 2 of the present invention, and FIG. 5 shows another embodiment of claim 2 of the present invention. In FIG. 4, two column main reinforcements 1b are arranged on the plate portion 1d, respectively, passing through the hollow portion 7 between the column main reinforcement 1b and the column main reinforcement 1b close to the column main reinforcement 1a at the corner, and within the plate portion 1d. The inner loop reinforcement 9 is arranged in an octagonal shape passing through the outside of the main pillar reinforcements 1b, 1b embedded in the plate portion 1d. A plurality of inner loop muscles 9 are arranged in the longitudinal direction at a predetermined pitch, but may be arranged in a spiral shape. In FIG. 4, reference numeral 9a indicated by a broken line is a conventional outer loop bar arranged on the outer circumference of the column main bars 1a and 1b of the precast column 1.

【0010】 図5はプレキャスト柱1の板部1dの中間にある柱主筋1b…1bをむすび、 中空部7内を通って内ループ筋10を四角形に配筋したものである。内ループ筋 10は長手方向所定ピッチで複数配筋されているものであるが、螺旋状に配筋し てもよい。 図5において、破線で示す9aは従来の外ループ筋である。FIG. 5 shows column main bars 1b ... 1b in the middle of the plate part 1d of the precast column 1 which are connected to each other and the inner loop bar 10 is quadrangularly arranged through the hollow part 7. The plurality of inner loop muscles 10 are arranged at a predetermined pitch in the longitudinal direction, but may be arranged in a spiral shape. In FIG. 5, 9a indicated by a broken line is a conventional outer loop muscle.

【0011】 以上説明したように本考案によれば、下記のような効果を奏する。 中空プレキャスト柱の中空部に、隣接した板部の柱主筋を結びつけてトラス 筋を配したので、柱面である板部が中空部に打設されたコンクリートに押されて 外側へはらみ出そうとする力にトラス筋が抵抗し、中空プレキャスト柱を薄肉に してもプレキャスト材の板部のはらみが防止され、施工が省力化されると共に、 精度のよい躯体ができ上がる。As described above, the present invention has the following effects. Since the truss reinforcement was arranged by connecting the column main bars of the adjacent plate to the hollow part of the hollow precast column, the plate part, which is the column surface, was pushed by the concrete cast in the hollow part and tried to extend to the outside. The truss stiffener resists the force generated, and even if the hollow precast column is made thin, the plate part of the precast material is prevented from encrusting, labor is saved, and an accurate skeleton is completed.

【0012】 従来の柱フープ筋の外フープ筋に加えて、中空プレキャスト柱の中空部を通 る内フープ筋を入れることにより、中空プレキャスト柱を薄肉にしてもプレキャ スト材の板部のはらみが防止され、施工が省力化されると共に、精度のよい躯体 ができ上る。[0012] In addition to the outer hoop muscle of the conventional column hoop muscle, by inserting the inner hoop muscle that passes through the hollow portion of the hollow precast column, even if the hollow precast column is made thin, the plate part of the precast material will not be caught. This will prevent the construction, save labor, and make the body with high accuracy.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案の請求項1の一実施例を示す中空プレキ
ャスト柱の横断面図である。
FIG. 1 is a cross-sectional view of a hollow precast column showing an embodiment of claim 1 of the present invention.

【図2】図1に配設したトラス筋の斜視図である。FIG. 2 is a perspective view of truss muscles arranged in FIG.

【図3】本考案の請求項1の他の実施例を示す中空プレ
キャスト柱の横断面図である。
FIG. 3 is a cross-sectional view of a hollow precast column showing another embodiment of claim 1 of the present invention.

【図4】本考案の請求項2の一実施例を示す中空プレキ
ャスト柱の横断面図である。
FIG. 4 is a cross-sectional view of a hollow precast column showing an embodiment of claim 2 of the present invention.

【図5】本考案の請求項2の他の実施例を示す中空プレ
キャスト柱の横断面図である。
FIG. 5 is a cross-sectional view of a hollow precast column showing another embodiment of claim 2 of the present invention.

【図6】従来の中空プレキャスト柱の横断面図である。FIG. 6 is a cross-sectional view of a conventional hollow precast column.

【符号の説明】[Explanation of symbols]

1 中空プレキャスト柱 1a,1b 柱主筋 1c 隅角部 1d 板部 2 内部コンクリート 3 バタ材 4 桟木 5 鉄筋 6a,6b トラス筋 7 中空部 8 トラス筋 9a 外フープ筋 9,10 内フープ筋 1 Hollow Precast Columns 1a, 1b Column Main Bars 1c Corners 1d Plates 2 Inner Concrete 3 Bata 4 Piers 5 Reinforcing Bars 6a, 6b Truss 7 Hollows 8 Truss 9a Outer hoops 9 and 10 Inner hoops

───────────────────────────────────────────────────── フロントページの続き (72)考案者 河 内 武 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 (72)考案者 熊 谷 仁 志 東京都港区芝浦一丁目2番3号 清水建設 株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Takeshi Kawachi 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Construction Co., Ltd. (72) Hitoshi Hitoshi Kumagai 1-3-2 Shibaura, Minato-ku, Tokyo No. Shimizu Construction Co., Ltd.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 断面が角型で、各辺を形成する板部とこ
れを結ぶ隅角部で形成された中空プレキャスト柱におい
て、 前記隅角部に配筋された主筋と隣接する板部のそれぞれ
に配筋された主筋とを長手方向相互につなぐトラス筋を
設けたことを特徴とする薄肉遠心成形角柱。
1. A hollow precast column having a square cross section and a plate portion forming each side and a corner portion connecting the plate portions, wherein a plate portion adjacent to a main bar arranged in the corner portion is provided. A thin-walled centrifugally-formed prism, which is provided with trusses that connect the main bars arranged in each direction to each other in the longitudinal direction.
【請求項2】 断面が角型で、各辺を形成する板部とこ
れを結ぶ隅角部で形成された中空プレキャスト柱におい
て、 板部に配筋された主筋である柱中段筋を囲んで一部が埋
設され、かつ、中空部に出現する内フープ筋を設けたこ
とを特徴とする薄肉遠心成形角柱。
2. A hollow precast pillar having a rectangular cross section and formed by a plate portion forming each side and a corner portion connecting the plate portions, and enclosing a column middle stage bar which is a main bar arranged in the plate portion. A thin-walled centrifugally-formed prism, which is partially buried and has an internal hoop muscle that appears in the hollow portion.
JP6029393U 1993-10-14 1993-10-14 Thin wall centrifugal forming prism Pending JPH0725113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6029393U JPH0725113U (en) 1993-10-14 1993-10-14 Thin wall centrifugal forming prism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6029393U JPH0725113U (en) 1993-10-14 1993-10-14 Thin wall centrifugal forming prism

Publications (1)

Publication Number Publication Date
JPH0725113U true JPH0725113U (en) 1995-05-12

Family

ID=13137974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6029393U Pending JPH0725113U (en) 1993-10-14 1993-10-14 Thin wall centrifugal forming prism

Country Status (1)

Country Link
JP (1) JPH0725113U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108952009A (en) * 2018-09-07 2018-12-07 三筑工科技有限公司 Prefabricated superposed column, reinforced column and assembled architecture body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108952009A (en) * 2018-09-07 2018-12-07 三筑工科技有限公司 Prefabricated superposed column, reinforced column and assembled architecture body

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